Example usage for android.content Intent CATEGORY_OPENABLE

Introduction

In this page you can find the example usage for android.content Intent CATEGORY_OPENABLE.

Prototype

String CATEGORY_OPENABLE

To view the source code for android.content Intent CATEGORY_OPENABLE.

Click Source Link

Document

Used to indicate that an intent only wants URIs that can be opened with ContentResolver#openFileDescriptor(Uri,String) .

Usage

From source file:com.example.android.CreateNewPlayer.java

/** Called when the user clicks the Choose Image button */
public void pickImage(View View) {
    playButton();/*from ww w .  jav  a2s. co  m*/
    Intent intent = new Intent();
    intent.setType("image/*");
    intent.setAction(Intent.ACTION_GET_CONTENT);
    intent.addCategory(Intent.CATEGORY_OPENABLE);
    startActivityForResult(intent, REQUEST_CODE);
}

---

From source file:com.amaze.filemanager.ui.views.drawer.Drawer.java

public Drawer(MainActivity mainActivity) {
    this.mainActivity = mainActivity;
    resources = mainActivity.getResources();
    dataUtils = DataUtils.getInstance();

    drawerHeaderLayout = mainActivity.getLayoutInflater().inflate(R.layout.drawerheader, null);
    drawerHeaderParent = drawerHeaderLayout.findViewById(R.id.drawer_header_parent);
    drawerHeaderView = drawerHeaderLayout.findViewById(R.id.drawer_header);
    drawerHeaderView.setOnLongClickListener(v -> {
        Intent intent1;/*from   w  w  w  .  j  a v a  2 s  .  co  m*/
        if (SDK_INT < Build.VERSION_CODES.KITKAT) {
            intent1 = new Intent();
            intent1.setAction(Intent.ACTION_GET_CONTENT);
        } else {
            intent1 = new Intent(Intent.ACTION_OPEN_DOCUMENT);

        }
        intent1.addCategory(Intent.CATEGORY_OPENABLE);
        intent1.setType("image/*");
        mainActivity.startActivityForResult(intent1, image_selector_request_code);
        return false;
    });

    mImageLoader = AppConfig.getInstance().getImageLoader();

    navView = mainActivity.findViewById(R.id.navigation);

    //set width of drawer in portrait to follow material guidelines
    /*if(!Utils.isDeviceInLandScape(mainActivity)){
    setNavViewDimension(navView);
    }*/

    navView.setNavigationItemSelectedListener(this);

    int accentColor = mainActivity.getAccent(), idleColor;

    if (mainActivity.getAppTheme().equals(AppTheme.LIGHT)) {
        idleColor = mainActivity.getResources().getColor(R.color.item_light_theme);
    } else {
        idleColor = Color.WHITE;
    }

    actionViewStateManager = new ActionViewStateManager(navView, idleColor, accentColor);

    ColorStateList drawerColors = new ColorStateList(
            new int[][] { new int[] { android.R.attr.state_checked },
                    new int[] { android.R.attr.state_enabled }, new int[] { android.R.attr.state_pressed },
                    new int[] { android.R.attr.state_focused }, new int[] { android.R.attr.state_pressed } },
            new int[] { accentColor, idleColor, idleColor, idleColor, idleColor });

    navView.setItemTextColor(drawerColors);
    navView.setItemIconTintList(drawerColors);

    if (mainActivity.getAppTheme().equals(AppTheme.DARK)) {
        navView.setBackgroundColor(Utils.getColor(mainActivity, R.color.holo_dark_background));
    } else if (mainActivity.getAppTheme().equals(AppTheme.BLACK)) {
        navView.setBackgroundColor(Utils.getColor(mainActivity, android.R.color.black));
    } else {
        navView.setBackgroundColor(Color.WHITE);
    }

    mDrawerLayout = mainActivity.findViewById(R.id.drawer_layout);
    //mDrawerLayout.setStatusBarBackgroundColor(Color.parseColor((currentTab==1 ? skinTwo : skin)));
    drawerHeaderView.setBackgroundResource(R.drawable.amaze_header);
    //drawerHeaderParent.setBackgroundColor(Color.parseColor((currentTab==1 ? skinTwo : skin)));
    if (mainActivity.findViewById(R.id.tab_frame) != null) {
        lock(DrawerLayout.LOCK_MODE_LOCKED_OPEN);
        open();
        mDrawerLayout.setScrimColor(Color.TRANSPARENT);
        mDrawerLayout.post(this::open);
    } else if (mainActivity.findViewById(R.id.tab_frame) == null) {
        unlock();
        close();
        mDrawerLayout.post(this::close);
    }
    navView.addHeaderView(drawerHeaderLayout);

    if (!isDrawerLocked) {
        mDrawerToggle = new ActionBarDrawerToggle(mainActivity, /* host Activity */
                mDrawerLayout, /* DrawerLayout object */
                R.drawable.ic_drawer_l, /* nav drawer image to replace 'Up' caret */
                R.string.drawer_open, /* "open drawer" description for accessibility */
                R.string.drawer_close /* "close drawer" description for accessibility */
        ) {
            public void onDrawerClosed(View view) {
                Drawer.this.onDrawerClosed();
            }

            public void onDrawerOpened(View drawerView) {
                //title.setText("Amaze File Manager");
                // creates call to onPrepareOptionsMenu()
            }
        };
        mDrawerLayout.setDrawerListener(mDrawerToggle);
        mainActivity.getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_drawer_l);
        mainActivity.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        mainActivity.getSupportActionBar().setHomeButtonEnabled(true);
        mDrawerToggle.syncState();
    }

}

---

From source file:at.tomtasche.reader.ui.activity.MainActivity.java

public void findDocument() {

    final Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
    // remove mime-type because most apps don't support ODF mime-types
    intent.setType("application/*");
    intent.addCategory(Intent.CATEGORY_OPENABLE);

    PackageManager pm = getPackageManager();
    final List<ResolveInfo> targets = pm.queryIntentActivities(intent, 0);
    int size = targets.size();
    String[] targetNames = new String[size];
    for (int i = 0; i < size; i++) {
        targetNames[i] = targets.get(i).loadLabel(pm).toString();
    }/*  ww w . j a  v  a  2s  .co  m*/

    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle(R.string.dialog_choose_filemanager);
    builder.setItems(targetNames, new OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            ResolveInfo target = targets.get(which);
            if (target == null) {
                return;
            }

            intent.setComponent(new ComponentName(target.activityInfo.packageName, target.activityInfo.name));

            try {
                startActivityForResult(intent, 42);
            } catch (Exception e) {
                e.printStackTrace();

                showCrouton(R.string.crouton_error_open_app, new Runnable() {

                    @Override
                    public void run() {
                        findDocument();
                    }
                }, AppMsg.STYLE_ALERT);
            }

            dialog.dismiss();
        }
    });
    builder.show();
}

---

From source file:com.github.dfa.diaspora_android.activity.ShareActivity.java

@SuppressLint("SetJavaScriptEnabled")
@Override//from   w  w  w. j  a  v  a2 s.  co m
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.main__activity);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    if (toolbar != null) {
        toolbar.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (Helpers.isOnline(ShareActivity.this)) {
                    Intent intent = new Intent(ShareActivity.this, MainActivity.class);
                    startActivityForResult(intent, 100);
                    overridePendingTransition(0, 0);
                    finish();
                } else {
                    Snackbar.make(swipeView, R.string.no_internet, Snackbar.LENGTH_LONG).show();
                }
            }
        });
    }
    setTitle(R.string.new_post);

    progressBar = (ProgressBar) findViewById(R.id.progressBar);

    swipeView = (SwipeRefreshLayout) findViewById(R.id.swipe);
    swipeView.setEnabled(false);

    podDomain = ((App) getApplication()).getSettings().getPodDomain();

    webView = (WebView) findViewById(R.id.webView);
    webView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);

    WebSettings wSettings = webView.getSettings();
    wSettings.setJavaScriptEnabled(true);
    wSettings.setBuiltInZoomControls(true);

    if (Build.VERSION.SDK_INT >= 21)
        wSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);

    /*
     * WebViewClient
     */
    webView.setWebViewClient(new WebViewClient() {
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            Log.d(TAG, url);
            if (!url.contains(podDomain)) {
                Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
                startActivity(i);
                return true;
            }
            return false;

        }

        public void onPageFinished(WebView view, String url) {
            Log.i(TAG, "Finished loading URL: " + url);
        }
    });

    /*
     * WebChromeClient
     */
    webView.setWebChromeClient(new WebChromeClient() {

        public void onProgressChanged(WebView wv, int progress) {
            progressBar.setProgress(progress);

            if (progress > 0 && progress <= 60) {
                Helpers.getNotificationCount(wv);
            }

            if (progress > 60) {
                Helpers.applyDiasporaMobileSiteChanges(wv);
            }

            if (progress == 100) {
                progressBar.setVisibility(View.GONE);
            } else {
                progressBar.setVisibility(View.VISIBLE);
            }
        }

        @Override
        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                FileChooserParams fileChooserParams) {
            if (mFilePathCallback != null)
                mFilePathCallback.onReceiveValue(null);

            mFilePathCallback = filePathCallback;

            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
                // Create the File where the photo should go
                File photoFile = null;
                try {
                    photoFile = createImageFile();
                    takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
                } catch (IOException ex) {
                    // Error occurred while creating the File
                    Snackbar.make(getWindow().findViewById(R.id.main__layout), "Unable to get image",
                            Snackbar.LENGTH_LONG).show();
                }

                // Continue only if the File was successfully created
                if (photoFile != null) {
                    mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
                } else {
                    takePictureIntent = null;
                }
            }

            Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
            contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
            contentSelectionIntent.setType("image/*");

            Intent[] intentArray;
            if (takePictureIntent != null) {
                intentArray = new Intent[] { takePictureIntent };
            } else {
                intentArray = new Intent[0];
            }

            Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
            chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
            chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);

            startActivityForResult(chooserIntent, INPUT_FILE_REQUEST_CODE);

            return true;
        }
    });

    if (savedInstanceState == null) {
        if (Helpers.isOnline(ShareActivity.this)) {
            webView.loadUrl("https://" + podDomain + "/status_messages/new");
        } else {
            Snackbar.make(getWindow().findViewById(R.id.main__layout), R.string.no_internet,
                    Snackbar.LENGTH_LONG).show();
        }
    }

    Intent intent = getIntent();
    String action = intent.getAction();
    String type = intent.getType();

    if (Intent.ACTION_SEND.equals(action) && type != null) {
        if ("text/plain".equals(type)) {
            if (intent.hasExtra(Intent.EXTRA_SUBJECT)) {
                handleSendSubject(intent);
            } else {
                handleSendText(intent);
            }
        } else if (type.startsWith("image/")) {
            // TODO Handle single image being sent -> see manifest
            handleSendImage(intent);
        }
        //} else {
        // Handle other intents, such as being started from the home screen
    }

}

---

From source file:com.activiti.android.platform.provider.transfer.ContentTransferManager.java

public static final void requestGetContent(Fragment fr, String mimetype) {
    String tmpMimetype = mimetype;
    if (TextUtils.isEmpty(mimetype)) {
        tmpMimetype = "*/*";
    }//from w ww  . j  a v a 2 s .c  o  m

    if (AndroidVersion.isKitKatOrAbove()) {
        isMediaProviderSupported(fr.getActivity());

        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        intent.setType(tmpMimetype);
        fr.startActivityForResult(Intent.createChooser(intent, "chooser"), PICKER_REQUEST_CODE);
    } else {
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.addCategory(Intent.CATEGORY_OPENABLE);
        intent.setType(tmpMimetype);
        fr.startActivityForResult(intent, PICKER_REQUEST_CODE);
    }
}

---

From source file:com.example.linhdq.test.documents.creation.NewDocumentActivity.java

protected void startGallery() {
    cameraPicUri = null;/*  w ww  .j  a v a2 s.  com*/
    Intent i;
    if (Build.VERSION.SDK_INT >= 19) {
        i = new Intent(Intent.ACTION_GET_CONTENT, null);
        i.addCategory(Intent.CATEGORY_OPENABLE);
        i.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        i.setType("image/*");
        i.putExtra(Intent.EXTRA_MIME_TYPES, new String[] { "image/png", "image/jpg", "image/jpeg" });
    } else {
        i = new Intent(Intent.ACTION_GET_CONTENT, null);
        i.setType("image/png,image/jpg, image/jpeg");
    }

    Intent chooser = Intent.createChooser(i, this.getResources().getString(R.string.image_source));
    try {
        startActivityForResult(chooser, REQUEST_CODE_PICK_PHOTO);
    } catch (ActivityNotFoundException e) {
        Toast.makeText(this, R.string.no_gallery_found, Toast.LENGTH_LONG).show();
    }
}

---

From source file:com.github.dfa.diaspora_android.activity.ShareActivity2.java

@SuppressLint("SetJavaScriptEnabled")
@Override// ww  w .  ja  v  a  2  s  . c om
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    progressBar = (ProgressBar) findViewById(R.id.progressBar);

    swipeView = (SwipeRefreshLayout) findViewById(R.id.swipe);
    swipeView.setEnabled(false);

    toolbar.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            if (Helpers.isOnline(ShareActivity2.this)) {
                Intent intent = new Intent(ShareActivity2.this, MainActivity.class);
                startActivityForResult(intent, 100);
                overridePendingTransition(0, 0);
            } else {
                Snackbar.make(swipeView, R.string.no_internet, Snackbar.LENGTH_LONG).show();
            }
        }
    });

    podDomain = ((App) getApplication()).getSettings().getPodDomain();

    fab = (com.getbase.floatingactionbutton.FloatingActionsMenu) findViewById(R.id.fab_expand_menu_button);
    fab.setVisibility(View.GONE);

    webView = (WebView) findViewById(R.id.webView);
    webView.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);

    WebSettings wSettings = webView.getSettings();
    wSettings.setJavaScriptEnabled(true);
    wSettings.setBuiltInZoomControls(true);

    if (Build.VERSION.SDK_INT >= 21)
        wSettings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);

    /*
     * WebViewClient
     */
    webView.setWebViewClient(new WebViewClient() {
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            Log.d(TAG, url);
            if (!url.contains(podDomain)) {
                Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
                startActivity(i);
                return true;
            }
            return false;

        }

        public void onPageFinished(WebView view, String url) {
            Log.i(TAG, "Finished loading URL: " + url);
        }
    });

    /*
     * WebChromeClient
     */
    webView.setWebChromeClient(new WebChromeClient() {

        public void onProgressChanged(WebView wv, int progress) {
            progressBar.setProgress(progress);

            if (progress > 0 && progress <= 60) {
                Helpers.getNotificationCount(wv);
            }

            if (progress > 60) {
                Helpers.hideTopBar(wv);
            }

            if (progress == 100) {
                progressBar.setVisibility(View.GONE);
            } else {
                progressBar.setVisibility(View.VISIBLE);
            }
        }

        @Override
        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                FileChooserParams fileChooserParams) {
            if (mFilePathCallback != null)
                mFilePathCallback.onReceiveValue(null);

            mFilePathCallback = filePathCallback;

            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
                // Create the File where the photo should go
                File photoFile = null;
                try {
                    photoFile = createImageFile();
                    takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
                } catch (IOException ex) {
                    // Error occurred while creating the File
                    Snackbar.make(getWindow().findViewById(R.id.drawer_layout), "Unable to get image",
                            Snackbar.LENGTH_SHORT).show();
                }

                // Continue only if the File was successfully created
                if (photoFile != null) {
                    mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
                } else {
                    takePictureIntent = null;
                }
            }

            Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
            contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
            contentSelectionIntent.setType("image/*");

            Intent[] intentArray;
            if (takePictureIntent != null) {
                intentArray = new Intent[] { takePictureIntent };
            } else {
                intentArray = new Intent[0];
            }

            Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
            chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
            chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);

            startActivityForResult(chooserIntent, INPUT_FILE_REQUEST_CODE);

            return true;
        }
    });

    Intent intent = getIntent();
    final Bundle extras = intent.getExtras();
    String action = intent.getAction();

    if (Intent.ACTION_SEND.equals(action)) {
        webView.setWebViewClient(new WebViewClient() {

            public void onPageFinished(WebView view, String url) {

                if (extras.containsKey(Intent.EXTRA_TEXT) && extras.containsKey(Intent.EXTRA_SUBJECT)) {
                    final String extraText = (String) extras.get(Intent.EXTRA_TEXT);
                    final String extraSubject = (String) extras.get(Intent.EXTRA_SUBJECT);

                    webView.setWebViewClient(new WebViewClient() {
                        @Override
                        public boolean shouldOverrideUrlLoading(WebView view, String url) {

                            finish();

                            Intent i = new Intent(ShareActivity2.this, MainActivity.class);
                            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                            startActivity(i);
                            overridePendingTransition(0, 0);

                            return false;
                        }
                    });

                    webView.loadUrl("javascript:(function() { "
                            + "document.getElementsByTagName('textarea')[0].style.height='110px'; "
                            + "document.getElementsByTagName('textarea')[0].innerHTML = '**[" + extraSubject
                            + "]** " + extraText + " *[shared with #DiasporaWebApp]*'; "
                            + "    if(document.getElementById(\"main_nav\")) {"
                            + "        document.getElementById(\"main_nav\").parentNode.removeChild("
                            + "        document.getElementById(\"main_nav\"));"
                            + "    } else if (document.getElementById(\"main-nav\")) {"
                            + "        document.getElementById(\"main-nav\").parentNode.removeChild("
                            + "        document.getElementById(\"main-nav\"));" + "    }" + "})();");

                }
            }
        });
    }

    if (savedInstanceState == null) {
        if (Helpers.isOnline(ShareActivity2.this)) {
            webView.loadUrl("https://" + podDomain + "/status_messages/new");
        } else {
            Snackbar.make(getWindow().findViewById(R.id.drawer_layout), R.string.no_internet,
                    Snackbar.LENGTH_SHORT).show();
        }
    }

}

---

From source file:it.feio.android.omninotes.SettingsFragment.java

@SuppressWarnings("deprecation")
@Override/*from  w  w w .  j a v a 2 s. c  o  m*/
public void onResume() {
    super.onResume();

    // Export notes
    Preference export = findPreference("settings_export_data");
    if (export != null) {
        export.setOnPreferenceClickListener(arg0 -> {

            // Inflate layout
            LayoutInflater inflater = getActivity().getLayoutInflater();
            View v = inflater.inflate(R.layout.dialog_backup_layout, null);

            // Finds actually saved backups names
            PermissionsHelper.requestPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE,
                    R.string.permission_external_storage, activity.findViewById(R.id.crouton_handle),
                    () -> export(v));

            return false;
        });
    }

    // Import notes
    Preference importData = findPreference("settings_import_data");
    if (importData != null) {
        importData.setOnPreferenceClickListener(arg0 -> {

            // Finds actually saved backups names
            PermissionsHelper.requestPermission(getActivity(), Manifest.permission.READ_EXTERNAL_STORAGE,
                    R.string.permission_external_storage, activity.findViewById(R.id.crouton_handle),
                    this::importNotes);

            return false;
        });
    }

    // Import notes from Springpad export zip file
    Preference importFromSpringpad = findPreference("settings_import_from_springpad");
    if (importFromSpringpad != null) {
        importFromSpringpad.setOnPreferenceClickListener(arg0 -> {
            Intent intent;
            intent = new Intent(Intent.ACTION_GET_CONTENT);
            intent.addCategory(Intent.CATEGORY_OPENABLE);
            intent.setType("application/zip");
            if (!IntentChecker.isAvailable(getActivity(), intent, null)) {
                Toast.makeText(getActivity(), R.string.feature_not_available_on_this_device, Toast.LENGTH_SHORT)
                        .show();
                return false;
            }
            startActivityForResult(intent, SPRINGPAD_IMPORT);
            return false;
        });
    }

    //      Preference syncWithDrive = findPreference("settings_backup_drive");
    //      importFromSpringpad.setOnPreferenceClickListener(new OnPreferenceClickListener() {
    //         @Override
    //         public boolean onPreferenceClick(Preference arg0) {
    //            Intent intent;
    //            intent = new Intent(Intent.ACTION_GET_CONTENT);
    //            intent.addCategory(Intent.CATEGORY_OPENABLE);
    //            intent.setType("application/zip");
    //            if (!IntentChecker.isAvailable(getActivity(), intent, null)) {
    //               Crouton.makeText(getActivity(), R.string.feature_not_available_on_this_device,
    // ONStyle.ALERT).show();
    //               return false;
    //            }
    //            startActivityForResult(intent, SPRINGPAD_IMPORT);
    //            return false;
    //         }
    //      });

    // Swiping action
    final SwitchPreference swipeToTrash = (SwitchPreference) findPreference("settings_swipe_to_trash");
    if (swipeToTrash != null) {
        if (prefs.getBoolean("settings_swipe_to_trash", false)) {
            swipeToTrash.setChecked(true);
            swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2));
        } else {
            swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1));
            swipeToTrash.setChecked(false);
        }
        swipeToTrash.setOnPreferenceChangeListener((preference, newValue) -> {
            if ((Boolean) newValue) {
                swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2));
            } else {
                swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1));
            }
            swipeToTrash.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Show uncategorized notes in menu
    final SwitchPreference showUncategorized = (SwitchPreference) findPreference(
            Constants.PREF_SHOW_UNCATEGORIZED);
    if (showUncategorized != null) {
        showUncategorized.setOnPreferenceChangeListener((preference, newValue) -> {
            showUncategorized.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Show Automatically adds location to new notes
    final SwitchPreference autoLocation = (SwitchPreference) findPreference(Constants.PREF_AUTO_LOCATION);
    if (autoLocation != null) {
        autoLocation.setOnPreferenceChangeListener((preference, newValue) -> {
            autoLocation.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Maximum video attachment size
    final EditTextPreference maxVideoSize = (EditTextPreference) findPreference("settings_max_video_size");
    if (maxVideoSize != null) {
        String maxVideoSizeValue = prefs.getString("settings_max_video_size", getString(R.string.not_set));
        maxVideoSize.setSummary(
                getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(maxVideoSizeValue));
        maxVideoSize.setOnPreferenceChangeListener((preference, newValue) -> {
            maxVideoSize.setSummary(
                    getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(newValue));
            prefs.edit().putString("settings_max_video_size", newValue.toString()).commit();
            return false;
        });
    }

    // Set notes' protection password
    Preference password = findPreference("settings_password");
    if (password != null) {
        password.setOnPreferenceClickListener(preference -> {
            Intent passwordIntent = new Intent(getActivity(), PasswordActivity.class);
            startActivity(passwordIntent);
            return false;
        });
    }

    // Use password to grant application access
    final SwitchPreference passwordAccess = (SwitchPreference) findPreference("settings_password_access");
    if (passwordAccess != null) {
        if (prefs.getString(Constants.PREF_PASSWORD, null) == null) {
            passwordAccess.setEnabled(false);
            passwordAccess.setChecked(false);
        } else {
            passwordAccess.setEnabled(true);
        }
        passwordAccess.setOnPreferenceChangeListener((preference, newValue) -> {
            BaseActivity.requestPassword(getActivity(), passwordConfirmed -> {
                if (passwordConfirmed) {
                    passwordAccess.setChecked((Boolean) newValue);
                }
            });
            return false;
        });
    }

    // Languages
    ListPreference lang = (ListPreference) findPreference("settings_language");
    if (lang != null) {
        String languageName = getResources().getConfiguration().locale.getDisplayName();
        lang.setSummary(languageName.substring(0, 1).toUpperCase(getResources().getConfiguration().locale)
                + languageName.substring(1, languageName.length()));
        lang.setOnPreferenceChangeListener((preference, value) -> {
            OmniNotes.updateLanguage(getActivity(), value.toString());
            MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class);
            return false;
        });
    }

    // Text size
    final ListPreference textSize = (ListPreference) findPreference("settings_text_size");
    if (textSize != null) {
        int textSizeIndex = textSize.findIndexOfValue(prefs.getString("settings_text_size", "default"));
        String textSizeString = getResources().getStringArray(R.array.text_size)[textSizeIndex];
        textSize.setSummary(textSizeString);
        textSize.setOnPreferenceChangeListener((preference, newValue) -> {
            int textSizeIndex1 = textSize.findIndexOfValue(newValue.toString());
            String checklistString = getResources().getStringArray(R.array.text_size)[textSizeIndex1];
            textSize.setSummary(checklistString);
            prefs.edit().putString("settings_text_size", newValue.toString()).commit();
            textSize.setValueIndex(textSizeIndex1);
            return false;
        });
    }

    // Application's colors
    final ListPreference colorsApp = (ListPreference) findPreference("settings_colors_app");
    if (colorsApp != null) {
        int colorsAppIndex = colorsApp
                .findIndexOfValue(prefs.getString("settings_colors_app", Constants.PREF_COLORS_APP_DEFAULT));
        String colorsAppString = getResources().getStringArray(R.array.colors_app)[colorsAppIndex];
        colorsApp.setSummary(colorsAppString);
        colorsApp.setOnPreferenceChangeListener((preference, newValue) -> {
            int colorsAppIndex1 = colorsApp.findIndexOfValue(newValue.toString());
            String colorsAppString1 = getResources().getStringArray(R.array.colors_app)[colorsAppIndex1];
            colorsApp.setSummary(colorsAppString1);
            prefs.edit().putString("settings_colors_app", newValue.toString()).commit();
            colorsApp.setValueIndex(colorsAppIndex1);
            return false;
        });
    }

    // Checklists
    final ListPreference checklist = (ListPreference) findPreference("settings_checked_items_behavior");
    if (checklist != null) {
        int checklistIndex = checklist
                .findIndexOfValue(prefs.getString("settings_checked_items_behavior", "0"));
        String checklistString = getResources().getStringArray(R.array.checked_items_behavior)[checklistIndex];
        checklist.setSummary(checklistString);
        checklist.setOnPreferenceChangeListener((preference, newValue) -> {
            int checklistIndex1 = checklist.findIndexOfValue(newValue.toString());
            String checklistString1 = getResources()
                    .getStringArray(R.array.checked_items_behavior)[checklistIndex1];
            checklist.setSummary(checklistString1);
            prefs.edit().putString("settings_checked_items_behavior", newValue.toString()).commit();
            checklist.setValueIndex(checklistIndex1);
            return false;
        });
    }

    // Widget's colors
    final ListPreference colorsWidget = (ListPreference) findPreference("settings_colors_widget");
    if (colorsWidget != null) {
        int colorsWidgetIndex = colorsWidget
                .findIndexOfValue(prefs.getString("settings_colors_widget", Constants.PREF_COLORS_APP_DEFAULT));
        String colorsWidgetString = getResources().getStringArray(R.array.colors_widget)[colorsWidgetIndex];
        colorsWidget.setSummary(colorsWidgetString);
        colorsWidget.setOnPreferenceChangeListener((preference, newValue) -> {
            int colorsWidgetIndex1 = colorsWidget.findIndexOfValue(newValue.toString());
            String colorsWidgetString1 = getResources()
                    .getStringArray(R.array.colors_widget)[colorsWidgetIndex1];
            colorsWidget.setSummary(colorsWidgetString1);
            prefs.edit().putString("settings_colors_widget", newValue.toString()).commit();
            colorsWidget.setValueIndex(colorsWidgetIndex1);
            return false;
        });
    }

    // Notification snooze delay
    final EditTextPreference snoozeDelay = (EditTextPreference) findPreference(
            "settings_notification_snooze_delay");
    if (snoozeDelay != null) {
        String snooze = prefs.getString("settings_notification_snooze_delay", Constants.PREF_SNOOZE_DEFAULT);
        snooze = TextUtils.isEmpty(snooze) ? Constants.PREF_SNOOZE_DEFAULT : snooze;
        snoozeDelay.setSummary(String.valueOf(snooze) + " " + getString(R.string.minutes));
        snoozeDelay.setOnPreferenceChangeListener((preference, newValue) -> {
            String snoozeUpdated = TextUtils.isEmpty(String.valueOf(newValue)) ? Constants.PREF_SNOOZE_DEFAULT
                    : String.valueOf(newValue);
            snoozeDelay.setSummary(snoozeUpdated + " " + getString(R.string.minutes));
            prefs.edit().putString("settings_notification_snooze_delay", snoozeUpdated).apply();
            return false;
        });
    }

    // NotificationServiceListener shortcut
    final Preference norificationServiceListenerPreference = findPreference(
            "settings_notification_service_listener");
    if (norificationServiceListenerPreference != null) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
            getPreferenceScreen().removePreference(norificationServiceListenerPreference);
        }
    }

    // Changelog
    Preference changelog = findPreference("settings_changelog");
    if (changelog != null) {
        changelog.setOnPreferenceClickListener(arg0 -> {

            AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_changelog");

            new MaterialDialog.Builder(activity).customView(R.layout.activity_changelog, false)
                    .positiveText(R.string.ok).build().show();
            return false;
        });
        // Retrieval of installed app version to write it as summary
        PackageInfo pInfo;
        String versionString = "";
        try {
            pInfo = getActivity().getPackageManager().getPackageInfo(getActivity().getPackageName(), 0);
            versionString = pInfo.versionName;
        } catch (NameNotFoundException e) {
            Log.e(Constants.TAG, "Error retrieving version", e);
        }
        changelog.setSummary(versionString);
    }

    // Settings reset
    Preference resetData = findPreference("reset_all_data");
    if (resetData != null) {
        resetData.setOnPreferenceClickListener(arg0 -> {

            new MaterialDialog.Builder(activity).content(R.string.reset_all_data_confirmation)
                    .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() {
                        @Override
                        public void onPositive(MaterialDialog dialog) {
                            prefs.edit().clear().commit();
                            File db = getActivity().getDatabasePath(Constants.DATABASE_NAME);
                            StorageHelper.delete(getActivity(), db.getAbsolutePath());
                            File attachmentsDir = StorageHelper.getAttachmentDir(getActivity());
                            StorageHelper.delete(getActivity(), attachmentsDir.getAbsolutePath());
                            File cacheDir = StorageHelper.getCacheDir(getActivity());
                            StorageHelper.delete(getActivity(), cacheDir.getAbsolutePath());
                            MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class);
                        }
                    }).build().show();

            return false;
        });
    }

    // Instructions
    Preference instructions = findPreference("settings_tour_show_again");
    if (instructions != null) {
        instructions.setOnPreferenceClickListener(arg0 -> {
            new MaterialDialog.Builder(getActivity())
                    .content(getString(R.string.settings_tour_show_again_summary) + "?")
                    .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() {
                        @Override
                        public void onPositive(MaterialDialog materialDialog) {

                            AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING,
                                    "settings_tour_show_again");

                            prefs.edit().putBoolean(Constants.PREF_TOUR_COMPLETE, false).commit();
                            MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class);
                        }
                    }).build().show();
            return false;
        });
    }

    // Donations
    //        Preference donation = findPreference("settings_donation");
    //        if (donation != null) {
    //            donation.setOnPreferenceClickListener(new OnPreferenceClickListener() {
    //                @Override
    //                public boolean onPreferenceClick(Preference preference) {
    //                    AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
    //
    //                    ArrayList<ImageAndTextItem> options = new ArrayList<ImageAndTextItem>();
    //                    options.add(new ImageAndTextItem(R.drawable.ic_paypal, getString(R.string.paypal)));
    //                    options.add(new ImageAndTextItem(R.drawable.ic_bitcoin, getString(R.string.bitcoin)));
    //
    //                    alertDialogBuilder
    //                            .setAdapter(new ImageAndTextAdapter(getActivity(), options),
    //                                    new DialogInterface.OnClickListener() {
    //                                        @Override
    //                                        public void onClick(DialogInterface dialog, int which) {
    //                                            switch (which) {
    //                                                case 0:
    //                                                    Intent intentPaypal = new Intent(Intent.ACTION_VIEW);
    //                                                    intentPaypal.setData(Uri.parse(getString(R.string.paypal_url)));
    //                                                    startActivity(intentPaypal);
    //                                                    break;
    //                                                case 1:
    //                                                    Intent intentBitcoin = new Intent(Intent.ACTION_VIEW);
    //                                                    intentBitcoin.setData(Uri.parse(getString(R.string.bitcoin_url)));
    //                                                    startActivity(intentBitcoin);
    //                                                    break;
    //                                            }
    //                                        }
    //                                    });
    //
    //
    //                    // create alert dialog
    //                    AlertDialog alertDialog = alertDialogBuilder.create();
    //                    // show it
    //                    alertDialog.show();
    //                    return false;
    //                }
    //            });
    //        }
}

---

From source file:com.dycody.android.idealnote.SettingsFragment.java

@SuppressWarnings("deprecation")
@Override/*www. j  a v a 2 s . co  m*/
public void onResume() {
    super.onResume();

    // Export notes
    Preference export = findPreference("settings_export_data");
    if (export != null) {
        export.setOnPreferenceClickListener(arg0 -> {

            // Inflate layout
            LayoutInflater inflater = getActivity().getLayoutInflater();
            View v = inflater.inflate(R.layout.dialog_backup_layout, null);

            // Finds actually saved backups names
            PermissionsHelper.requestPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE,
                    R.string.permission_external_storage, activity.findViewById(R.id.crouton_handle),
                    () -> export(v));

            return false;
        });
    }

    // Import notes
    Preference importData = findPreference("settings_import_data");
    if (importData != null) {
        importData.setOnPreferenceClickListener(arg0 -> {
            importNotes();
            return false;
        });
    }

    // Import notes from Springpad export zip file
    Preference importFromSpringpad = findPreference("settings_import_from_springpad");
    if (importFromSpringpad != null) {
        importFromSpringpad.setOnPreferenceClickListener(arg0 -> {
            Intent intent;
            intent = new Intent(Intent.ACTION_GET_CONTENT);
            intent.addCategory(Intent.CATEGORY_OPENABLE);
            intent.setType("application/zip");
            if (!IntentChecker.isAvailable(getActivity(), intent, null)) {
                Toast.makeText(getActivity(), R.string.feature_not_available_on_this_device, Toast.LENGTH_SHORT)
                        .show();
                return false;
            }
            startActivityForResult(intent, SPRINGPAD_IMPORT);
            return false;
        });
    }

    //      Preference syncWithDrive = findPreference("settings_backup_drive");
    //      importFromSpringpad.setOnPreferenceClickListener(new OnPreferenceClickListener() {
    //         @Override
    //         public boolean onPreferenceClick(Preference arg0) {
    //            Intent intent;
    //            intent = new Intent(Intent.ACTION_GET_CONTENT);
    //            intent.addCategory(Intent.CATEGORY_OPENABLE);
    //            intent.setType("application/zip");
    //            if (!IntentChecker.isAvailable(getActivity(), intent, null)) {
    //               Crouton.makeText(getActivity(), R.string.feature_not_available_on_this_device,
    // ONStyle.ALERT).show();
    //               return false;
    //            }
    //            startActivityForResult(intent, SPRINGPAD_IMPORT);
    //            return false;
    //         }
    //      });

    // Swiping action
    final SwitchPreference swipeToTrash = (SwitchPreference) findPreference("settings_swipe_to_trash");
    if (swipeToTrash != null) {
        if (prefs.getBoolean("settings_swipe_to_trash", false)) {
            swipeToTrash.setChecked(true);
            swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2));
        } else {
            swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1));
            swipeToTrash.setChecked(false);
        }
        swipeToTrash.setOnPreferenceChangeListener((preference, newValue) -> {
            if ((Boolean) newValue) {
                swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2));
            } else {
                swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1));
            }
            swipeToTrash.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Show uncategorized notes in menu
    final SwitchPreference showUncategorized = (SwitchPreference) findPreference(
            Constants.PREF_SHOW_UNCATEGORIZED);
    if (showUncategorized != null) {
        showUncategorized.setOnPreferenceChangeListener((preference, newValue) -> {
            showUncategorized.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Show Automatically adds location to new notes
    final SwitchPreference autoLocation = (SwitchPreference) findPreference(Constants.PREF_AUTO_LOCATION);
    if (autoLocation != null) {
        autoLocation.setOnPreferenceChangeListener((preference, newValue) -> {
            autoLocation.setChecked((Boolean) newValue);
            return false;
        });
    }

    // Maximum video attachment size
    final EditTextPreference maxVideoSize = (EditTextPreference) findPreference("settings_max_video_size");
    if (maxVideoSize != null) {
        String maxVideoSizeValue = prefs.getString("settings_max_video_size", getString(R.string.not_set));
        maxVideoSize.setSummary(
                getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(maxVideoSizeValue));
        maxVideoSize.setOnPreferenceChangeListener((preference, newValue) -> {
            maxVideoSize.setSummary(
                    getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(newValue));
            prefs.edit().putString("settings_max_video_size", newValue.toString()).commit();
            return false;
        });
    }

    // Set notes' protection password
    Preference password = findPreference("settings_password");
    if (password != null) {
        password.setOnPreferenceClickListener(preference -> {
            Intent passwordIntent = new Intent(getActivity(), PasswordActivity.class);
            startActivity(passwordIntent);
            return false;
        });
    }

    // Use password to grant application access
    final SwitchPreference passwordAccess = (SwitchPreference) findPreference("settings_password_access");
    if (passwordAccess != null) {
        if (prefs.getString(Constants.PREF_PASSWORD, null) == null) {
            passwordAccess.setEnabled(false);
            passwordAccess.setChecked(false);
        } else {
            passwordAccess.setEnabled(true);
        }
        passwordAccess.setOnPreferenceChangeListener((preference, newValue) -> {
            PasswordHelper.requestPassword(getActivity(), passwordConfirmed -> {
                if (passwordConfirmed) {
                    passwordAccess.setChecked((Boolean) newValue);
                }
            });
            return false;
        });
    }

    // Languages
    ListPreference lang = (ListPreference) findPreference("settings_language");
    if (lang != null) {
        String languageName = getResources().getConfiguration().locale.getDisplayName();
        lang.setSummary(languageName.substring(0, 1).toUpperCase(getResources().getConfiguration().locale)
                + languageName.substring(1, languageName.length()));
        lang.setOnPreferenceChangeListener((preference, value) -> {
            IdealNote.updateLanguage(getActivity(), value.toString());
            SystemHelper.restartApp(getActivity().getApplicationContext(), MainActivity.class);
            return false;
        });
    }

    // Text size
    final ListPreference textSize = (ListPreference) findPreference("settings_text_size");
    if (textSize != null) {
        int textSizeIndex = textSize.findIndexOfValue(prefs.getString("settings_text_size", "default"));
        String textSizeString = getResources().getStringArray(R.array.text_size)[textSizeIndex];
        textSize.setSummary(textSizeString);
        textSize.setOnPreferenceChangeListener((preference, newValue) -> {
            int textSizeIndex1 = textSize.findIndexOfValue(newValue.toString());
            String checklistString = getResources().getStringArray(R.array.text_size)[textSizeIndex1];
            textSize.setSummary(checklistString);
            prefs.edit().putString("settings_text_size", newValue.toString()).commit();
            textSize.setValueIndex(textSizeIndex1);
            return false;
        });
    }

    // Application's colors
    final ListPreference colorsApp = (ListPreference) findPreference("settings_colors_app");
    if (colorsApp != null) {
        int colorsAppIndex = colorsApp
                .findIndexOfValue(prefs.getString("settings_colors_app", Constants.PREF_COLORS_APP_DEFAULT));
        String colorsAppString = getResources().getStringArray(R.array.colors_app)[colorsAppIndex];
        colorsApp.setSummary(colorsAppString);
        colorsApp.setOnPreferenceChangeListener((preference, newValue) -> {
            int colorsAppIndex1 = colorsApp.findIndexOfValue(newValue.toString());
            String colorsAppString1 = getResources().getStringArray(R.array.colors_app)[colorsAppIndex1];
            colorsApp.setSummary(colorsAppString1);
            prefs.edit().putString("settings_colors_app", newValue.toString()).commit();
            colorsApp.setValueIndex(colorsAppIndex1);
            return false;
        });
    }

    // Checklists
    final ListPreference checklist = (ListPreference) findPreference("settings_checked_items_behavior");
    if (checklist != null) {
        int checklistIndex = checklist
                .findIndexOfValue(prefs.getString("settings_checked_items_behavior", "0"));
        String checklistString = getResources().getStringArray(R.array.checked_items_behavior)[checklistIndex];
        checklist.setSummary(checklistString);
        checklist.setOnPreferenceChangeListener((preference, newValue) -> {
            int checklistIndex1 = checklist.findIndexOfValue(newValue.toString());
            String checklistString1 = getResources()
                    .getStringArray(R.array.checked_items_behavior)[checklistIndex1];
            checklist.setSummary(checklistString1);
            prefs.edit().putString("settings_checked_items_behavior", newValue.toString()).commit();
            checklist.setValueIndex(checklistIndex1);
            return false;
        });
    }

    // Widget's colors
    final ListPreference colorsWidget = (ListPreference) findPreference("settings_colors_widget");
    if (colorsWidget != null) {
        int colorsWidgetIndex = colorsWidget
                .findIndexOfValue(prefs.getString("settings_colors_widget", Constants.PREF_COLORS_APP_DEFAULT));
        String colorsWidgetString = getResources().getStringArray(R.array.colors_widget)[colorsWidgetIndex];
        colorsWidget.setSummary(colorsWidgetString);
        colorsWidget.setOnPreferenceChangeListener((preference, newValue) -> {
            int colorsWidgetIndex1 = colorsWidget.findIndexOfValue(newValue.toString());
            String colorsWidgetString1 = getResources()
                    .getStringArray(R.array.colors_widget)[colorsWidgetIndex1];
            colorsWidget.setSummary(colorsWidgetString1);
            prefs.edit().putString("settings_colors_widget", newValue.toString()).commit();
            colorsWidget.setValueIndex(colorsWidgetIndex1);
            return false;
        });
    }

    // Notification snooze delay
    final EditTextPreference snoozeDelay = (EditTextPreference) findPreference(
            "settings_notification_snooze_delay");
    if (snoozeDelay != null) {
        String snooze = prefs.getString("settings_notification_snooze_delay", Constants.PREF_SNOOZE_DEFAULT);
        snooze = TextUtils.isEmpty(snooze) ? Constants.PREF_SNOOZE_DEFAULT : snooze;
        snoozeDelay.setSummary(String.valueOf(snooze) + " " + getString(R.string.minutes));
        snoozeDelay.setOnPreferenceChangeListener((preference, newValue) -> {
            String snoozeUpdated = TextUtils.isEmpty(String.valueOf(newValue)) ? Constants.PREF_SNOOZE_DEFAULT
                    : String.valueOf(newValue);
            snoozeDelay.setSummary(snoozeUpdated + " " + getString(R.string.minutes));
            prefs.edit().putString("settings_notification_snooze_delay", snoozeUpdated).apply();
            return false;
        });
    }

    // NotificationServiceListener shortcut
    final Preference norificationServiceListenerPreference = findPreference(
            "settings_notification_service_listener");
    if (norificationServiceListenerPreference != null) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) {
            getPreferenceScreen().removePreference(norificationServiceListenerPreference);
        }
    }

    // Changelog
    Preference changelog = findPreference("settings_changelog");
    if (changelog != null) {
        changelog.setOnPreferenceClickListener(arg0 -> {

            ((IdealNote) getActivity().getApplication()).getAnalyticsHelper()
                    .trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_changelog");

            new MaterialDialog.Builder(activity).customView(R.layout.activity_changelog, false)
                    .positiveText(R.string.ok).build().show();
            return false;
        });
        // Retrieval of installed app version to write it as summary
        PackageInfo pInfo;
        String versionString = "";
        try {
            pInfo = getActivity().getPackageManager().getPackageInfo(getActivity().getPackageName(), 0);
            versionString = pInfo.versionName + getString(R.string.version_postfix);
        } catch (NameNotFoundException e) {
            Log.e(Constants.TAG, "Error retrieving version", e);
        }
        changelog.setSummary(versionString);
    }

    // Settings reset
    Preference resetData = findPreference("reset_all_data");
    if (resetData != null) {
        resetData.setOnPreferenceClickListener(arg0 -> {

            new MaterialDialog.Builder(activity).content(R.string.reset_all_data_confirmation)
                    .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() {
                        @Override
                        public void onPositive(MaterialDialog dialog) {
                            prefs.edit().clear().commit();
                            File db = getActivity().getDatabasePath(Constants.DATABASE_NAME);
                            StorageHelper.delete(getActivity(), db.getAbsolutePath());
                            File attachmentsDir = StorageHelper.getAttachmentDir(getActivity());
                            StorageHelper.delete(getActivity(), attachmentsDir.getAbsolutePath());
                            File cacheDir = StorageHelper.getCacheDir(getActivity());
                            StorageHelper.delete(getActivity(), cacheDir.getAbsolutePath());
                            SystemHelper.restartApp(getActivity().getApplicationContext(), MainActivity.class);
                        }
                    }).build().show();

            return false;
        });
    }

    // Instructions
    Preference instructions = findPreference("settings_tour_show_again");
    if (instructions != null) {
        instructions.setOnPreferenceClickListener(arg0 -> {
            new MaterialDialog.Builder(getActivity())
                    .content(getString(R.string.settings_tour_show_again_summary) + "?")
                    .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() {
                        @Override
                        public void onPositive(MaterialDialog materialDialog) {

                            ((IdealNote) getActivity().getApplication()).getAnalyticsHelper()
                                    .trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_tour_show_again");

                            prefs.edit().putBoolean(Constants.PREF_TOUR_COMPLETE, false).commit();
                            SystemHelper.restartApp(getActivity().getApplicationContext(), MainActivity.class);
                        }
                    }).build().show();
            return false;
        });
    }

    // Donations
    //        Preference donation = findPreference("settings_donation");
    //        if (donation != null) {
    //            donation.setOnPreferenceClickListener(new OnPreferenceClickListener() {
    //                @Override
    //                public boolean onPreferenceClick(Preference preference) {
    //                    AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
    //
    //                    ArrayList<ImageAndTextItem> options = new ArrayList<ImageAndTextItem>();
    //                    options.add(new ImageAndTextItem(R.drawable.ic_paypal, getString(R.string.paypal)));
    //                    options.add(new ImageAndTextItem(R.drawable.ic_bitcoin, getString(R.string.bitcoin)));
    //
    //                    alertDialogBuilder
    //                            .setAdapter(new ImageAndTextAdapter(getActivity(), options),
    //                                    new DialogInterface.OnClickListener() {
    //                                        @Override
    //                                        public void onClick(DialogInterface dialog, int which) {
    //                                            switch (which) {
    //                                                case 0:
    //                                                    Intent intentPaypal = new Intent(Intent.ACTION_VIEW);
    //                                                    intentPaypal.setData(Uri.parse(getString(R.string.paypal_url)));
    //                                                    startActivity(intentPaypal);
    //                                                    break;
    //                                                case 1:
    //                                                    Intent intentBitcoin = new Intent(Intent.ACTION_VIEW);
    //                                                    intentBitcoin.setData(Uri.parse(getString(R.string.bitcoin_url)));
    //                                                    startActivity(intentBitcoin);
    //                                                    break;
    //                                            }
    //                                        }
    //                                    });
    //
    //
    //                    // create alert dialog
    //                    AlertDialog alertDialog = alertDialogBuilder.create();
    //                    // show it
    //                    alertDialog.show();
    //                    return false;
    //                }
    //            });
    //        }
}

---

From source file:it.rignanese.leo.slimtwitter.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // setup the sharedPreferences
    savedPreferences = PreferenceManager.getDefaultSharedPreferences(this);

    setContentView(R.layout.activity_main);

    //setup the floating button
    FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
    fab.setOnClickListener(new View.OnClickListener() {
        @Override//from w  w w  . ja va2s . c o  m
        public void onClick(View view) {
            webViewTwitter.scrollTo(0, 0);//scroll up
        }
    });

    // setup the refresh layout
    swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_container);
    swipeRefreshLayout.setColorSchemeResources(R.color.officialAzureTwitter, R.color.darkAzureSlimTwitterTheme);// set the colors
    swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
        @Override
        public void onRefresh() {
            refreshPage();//reload the page
            swipeRefresh = true;
        }
    });

    // setup the webView
    webViewTwitter = (WebView) findViewById(R.id.webView);
    setUpWebViewDefaults(webViewTwitter);//set the settings

    goHome();//load homepage

    //WebViewClient that is the client callback.
    webViewTwitter.setWebViewClient(new WebViewClient() {//advanced set up

        // when there isn't a connetion
        public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
            String summary = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" /></head><body><h1 "
                    + "style='text-align:center; padding-top:15%;'>" + getString(R.string.titleNoConnection)
                    + "</h1> <h3 style='text-align:center; padding-top:1%; font-style: italic;'>"
                    + getString(R.string.descriptionNoConnection)
                    + "</h3>  <h5 style='text-align:center; padding-top:80%; opacity: 0.3;'>"
                    + getString(R.string.awards) + "</h5></body></html>";
            webViewTwitter.loadData(summary, "text/html; charset=utf-8", "utf-8");//load a custom html page

            noConnectionError = true;
            swipeRefreshLayout.setRefreshing(false); //when the page is loaded, stop the refreshing
        }

        // when I click in a external link
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            if (url == null || url.contains("twitter.com")) {
                //url is ok
                return false;
            } else {
                //if the link doesn't contain 'twitter.com', open it using the browser
                startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
                return true;
            }
        }

        //START management of loading
        @Override
        public void onPageFinished(WebView view, String url) {
            swipeRefreshLayout.setRefreshing(false); //when the page is loaded, stop the refreshing
            super.onPageFinished(view, url);
        }
        //END management of loading

    });

    //WebChromeClient for handling all chrome functions.
    webViewTwitter.setWebChromeClient(new WebChromeClient() {
        //to upload files
        //thanks to gauntface
        //https://github.com/GoogleChrome/chromium-webview-samples
        public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
                WebChromeClient.FileChooserParams fileChooserParams) {
            if (mFilePathCallback != null) {
                mFilePathCallback.onReceiveValue(null);
            }
            mFilePathCallback = filePathCallback;

            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
            if (takePictureIntent.resolveActivity(getBaseContext().getPackageManager()) != null) {
                // Create the File where the photo should go
                File photoFile = null;
                try {
                    photoFile = createImageFile();
                    takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
                } catch (IOException ex) {
                    // Error occurred while creating the File
                }

                // Continue only if the File was successfully created
                if (photoFile != null) {
                    mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
                } else {
                    takePictureIntent = null;
                }
            }

            Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
            contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
            contentSelectionIntent.setType("image/*");

            Intent[] intentArray;
            if (takePictureIntent != null) {
                intentArray = new Intent[] { takePictureIntent };
            } else {
                intentArray = new Intent[0];
            }

            Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
            chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
            chooserIntent.putExtra(Intent.EXTRA_TITLE, "Image Chooser");
            chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);

            startActivityForResult(chooserIntent, INPUT_FILE_REQUEST_CODE);

            return true;
        }
    });
}

---

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