Example usage for android.view KeyEvent KEYCODE_BACK

List of usage examples for android.view KeyEvent KEYCODE_BACK

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Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_BACK.

Prototype

int KEYCODE_BACK

To view the source code for android.view KeyEvent KEYCODE_BACK.

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Document

Key code constant: Back key.

Usage

From source file:edu.stanford.mobisocial.dungbeetle.AppFinderActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // Check if the key event was the BACK key and if there's history
    if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) {
        mWebView.goBack();/*from   w w w. j  a  va2 s  .c om*/
        return true;
    }
    // If it wasn't the BACK key or there's no web page history, bubble up to the default
    // system behavior (probably exit the activity)
    return super.onKeyDown(keyCode, event);
}

From source file:com.libreteam.driver.Driver_RideOffer.java

@SuppressLint("InflateParams")
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override//from  ww  w  . j  ava  2  s . c om
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    View view = inflater.inflate(R.layout.driver_rideoffer, null);

    context = view.getContext();

    ride_id = getArguments().getStringArray("rideid")[0];
    customer_id = getArguments().getStringArray("rideid")[1];
    address = getArguments().getStringArray("rideid")[2];
    latlng = getArguments().getStringArray("rideid")[3];

    ArrayList aList = new ArrayList(Arrays.asList(latlng.split(",")));
    driverLatLng = new LatLng(Driver_Status.getLatitude(), Driver_Status.getLongitude());
    customerLatLng = new LatLng(Double.parseDouble(aList.get(0).toString()),
            Double.parseDouble(aList.get(1).toString()));

    if (savedInstanceState == null)
        initComponents(view);

    view.setFocusableInTouchMode(true);
    view.requestFocus();
    view.setOnKeyListener(new View.OnKeyListener() {
        @Override
        public boolean onKey(View v, int keyCode, KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK) {
                if (((Driver_Fragment_Activity) getActivity()).isMenu) {
                    ((Driver_Fragment_Activity) getActivity()).didHideMenu();
                    return true;
                }
                didSendMessage();
                ((Driver_Fragment_Activity) getActivity()).didFinish();
                return false;
            } else {
                return false;
            }
        }
    });

    return view;
}

From source file:com.zhihuigu.sosoOffice.LoadActivity.java

private void startProgressDialog() {
    if (progressDialog == null) {
        progressDialog = CustomProgressDialog.createDialog(this);
        progressDialog.setMessage("...");
    }//from  w  w  w. j  a va 2  s  . c  o m
    progressDialog.setCanceledOnTouchOutside(false);
    progressDialog.setOnKeyListener(new OnKeyListener() {

        public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
            if (keyCode == KeyEvent.KEYCODE_BACK) {
                return true;
            }
            return false;
        }
    });
    progressDialog.show();
}

From source file:com.blogspot.ksoichiro.android.sample.transition.test.NormalTransitionTest.java

public void testNormalTransition() {
    // Activity?/*from  w  w  w . j  ava2 s.  c  o  m*/
    ActivityMonitor monitorMain = new ActivityMonitor(MainActivity.class.getCanonicalName(), null, false);
    ActivityMonitor monitorSecond = new ActivityMonitor(SecondActivity.class.getCanonicalName(), null, false);
    getInstrumentation().addMonitor(monitorMain);
    getInstrumentation().addMonitor(monitorSecond);

    // ??Fragment?BackStack??????
    FragmentActivity activity = (FragmentActivity) getActivity();
    FragmentManager fm = activity.getSupportFragmentManager();
    assertEquals(0, fm.getBackStackEntryCount());

    // ??Fragment?
    Fragment frag = fm.findFragmentByTag("tag");
    assertNotNull(frag);
    assertEquals(Fragment1.class, frag.getClass());

    // ??(Fragment)?
    TouchUtils.tapView(this, getActivity().findViewById(R.id.btnFrag1));
    getInstrumentation().waitForIdleSync();

    // BackStack?Fragment???(?)???
    assertEquals(1, fm.getBackStackEntryCount());

    // ??(Fragment)?????
    frag = fm.findFragmentByTag("tag");
    assertNotNull(frag);
    assertEquals(Fragment2.class, frag.getClass());

    // ??(Activity)?
    TouchUtils.tapView(this, getActivity().findViewById(R.id.btnFrag2));
    getInstrumentation().waitForMonitorWithTimeout(monitorSecond, 2000);

    // ?Activity???????
    assertEquals(1, monitorSecond.getHits());

    // ?
    sendKeys(KeyEvent.KEYCODE_BACK);
    getInstrumentation().waitForIdleSync();

    // ??(Activity)??????
    assertEquals(1, monitorMain.getHits());

    // ???Fragment?BackStack????????
    activity = (FragmentActivity) monitorMain.getLastActivity();
    fm = activity.getSupportFragmentManager();
    assertEquals(1, fm.getBackStackEntryCount());
    frag = fm.findFragmentByTag("tag");
    assertNotNull(frag);
    assertEquals(Fragment2.class, frag.getClass());

    // ?
    sendKeys(KeyEvent.KEYCODE_BACK);
    getInstrumentation().waitForIdleSync();

    // ???Fragment????BackStack?????????
    assertEquals(0, fm.getBackStackEntryCount());
    frag = fm.findFragmentByTag("tag");
    assertNotNull(frag);
    assertEquals(Fragment1.class, frag.getClass());
}

From source file:illab.nabal.proxy.AuthWebDialog.java

/**
 * Override hardware back key to close this dialog.
 * //from w  w w .j a v  a2s.  c  o  m
 * @deprecated
 */
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) {
        //Log.d(TAG, "keyCode : " + keyCode + " | event.getAction() : " + event.getAction());
        Log.d(TAG, "BACK key has been pressed on WebView");
        mNetworkWebViewClient.onCancel();
    }
    return true;
}

From source file:com.gotraveling.insthub.BeeFramework.activity.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {

    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (isExit == false) {
            isExit = true;/*from  w w w  .j  a va  2  s . c om*/
            Resources resource = (Resources) getBaseContext().getResources();
            String exi = resource.getString(R.string.exit);
            Toast.makeText(getApplicationContext(), exi, Toast.LENGTH_SHORT).show();
            handler.sendEmptyMessageDelayed(0, 3000);
            if (BeeQuery.environment() == BeeQuery.ENVIROMENT_DEVELOPMENT) {
                BeeFrameworkApp.getInstance().showBug(this);
            }

            return true;
        } else {
            finish();

            return false;
        }
    }
    return true;
}

From source file:com.BeeFramework.activity.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    // TODO Auto-generated method stub
    if (keyCode == KeyEvent.KEYCODE_BACK) {
        if (isExit == false) {
            isExit = true;/*from   w  ww . j  av  a2s.c om*/
            Toast.makeText(getApplicationContext(), "?", Toast.LENGTH_SHORT).show();
            handler.sendEmptyMessageDelayed(0, 3000);
            if (BeeQuery.environment() == BeeQuery.ENVIROMENT_DEVELOPMENT) {
                BeeFrameworkApp.getInstance().showBug(this);
            }

            return true;
        } else {
            finish();

            return false;
        }
    }
    return true;
}

From source file:com.github.yuukis.businessmap.app.MainActivity.java

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_BACK:
            // ?/*www . jav  a 2 s .c o m*/
            ContactsListFragment listFragment = (ContactsListFragment) getSupportFragmentManager()
                    .findFragmentById(R.id.contacts_list);
            if (listFragment != null && listFragment.getVisibility()) {
                // ????????
                listFragment.setVisibility(false);
                return true;
            }
        }
    }
    return super.dispatchKeyEvent(event);
}

From source file:com.tedx.alcatraz.SpeakerResultActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.ECLAIR
            && keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) {
        // Take care of calling this method on earlier versions of
        // the platform where it doesn't exist.
        onBackPressed();//from   w  ww  .  ja va  2s .c o  m
    }

    return super.onKeyDown(keyCode, event);
}

From source file:org.lol.reddit.fragments.AddAccountDialog.java

@Override
public Dialog onCreateDialog(final Bundle savedInstanceState) {

    if (alreadyCreated)
        return getDialog();
    alreadyCreated = true;//from w ww .  j ava 2 s . c  o  m

    super.onCreateDialog(savedInstanceState);

    final Activity activity = getSupportActivity();
    final Context appContext = activity.getApplicationContext();

    final AlertDialog.Builder builder = new AlertDialog.Builder(activity);
    builder.setTitle(R.string.accounts_add);

    final View view = activity.getLayoutInflater().inflate(R.layout.dialog_login);
    builder.setView(view);
    builder.setCancelable(true);

    final EditText usernameBox = ((EditText) view.findViewById(R.id.login_username));
    usernameBox.setText(lastUsername);
    usernameBox.requestFocus();
    usernameBox.requestFocusFromTouch();

    builder.setPositiveButton(R.string.accounts_login, new DialogInterface.OnClickListener() {
        public void onClick(final DialogInterface dialogInterface, final int i) {

            final String username = ((EditText) getDialog().findViewById(R.id.login_username)).getText()
                    .toString().trim();
            final String password = ((EditText) getDialog().findViewById(R.id.login_password)).getText()
                    .toString();

            lastUsername = username;

            final ProgressDialog progressDialog = new ProgressDialog(activity);
            final Thread thread;
            progressDialog.setTitle(R.string.accounts_loggingin);
            progressDialog.setMessage(getString(R.string.accounts_loggingin_msg));
            progressDialog.setIndeterminate(true);

            final AtomicBoolean cancelled = new AtomicBoolean(false);

            progressDialog.setCancelable(true);
            progressDialog.setCanceledOnTouchOutside(false);

            progressDialog.show();

            progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
                public void onCancel(final DialogInterface dialogInterface) {
                    cancelled.set(true);
                    progressDialog.dismiss();
                }
            });

            progressDialog.setOnKeyListener(new DialogInterface.OnKeyListener() {
                public boolean onKey(final DialogInterface dialogInterface, final int keyCode,
                        final KeyEvent keyEvent) {

                    if (keyCode == KeyEvent.KEYCODE_BACK) {
                        cancelled.set(true);
                        progressDialog.dismiss();
                    }

                    return true;
                }
            });

            thread = new Thread() {
                @Override
                public void run() {

                    // TODO better HTTP client
                    final RedditAccount.LoginResultPair result = RedditAccount.login(appContext, username,
                            password, new DefaultHttpClient());

                    General.UI_THREAD_HANDLER.post(new Runnable() {
                        public void run() {

                            if (cancelled.get())
                                return; // safe, since we're in the UI thread

                            progressDialog.dismiss();

                            final AlertDialog.Builder alertBuilder = new AlertDialog.Builder(activity);
                            alertBuilder.setNeutralButton(R.string.dialog_close,
                                    new DialogInterface.OnClickListener() {
                                        public void onClick(DialogInterface dialog, int which) {
                                            new AccountListDialog().show(activity);
                                        }
                                    });

                            // TODO handle errors better
                            switch (result.result) {
                            case CONNECTION_ERROR:
                                alertBuilder.setTitle(appContext.getString(R.string.error_connection_title));
                                alertBuilder.setMessage(appContext.getString(R.string.message_cannotlogin));
                                break;
                            case INTERNAL_ERROR:
                                alertBuilder.setTitle(appContext.getString(R.string.error_unknown_title));
                                alertBuilder.setMessage(appContext.getString(R.string.message_cannotlogin));
                                break;
                            case JSON_ERROR:
                                alertBuilder.setTitle(appContext.getString(R.string.error_parse_title));
                                alertBuilder.setMessage(appContext.getString(R.string.message_cannotlogin));
                                break;
                            case REQUEST_ERROR:
                                alertBuilder.setTitle(appContext.getString(R.string.error_connection_title));
                                alertBuilder.setMessage(appContext.getString(R.string.message_cannotlogin));
                                break;
                            case UNKNOWN_REDDIT_ERROR:
                                alertBuilder.setTitle(appContext.getString(R.string.error_unknown_title));
                                alertBuilder.setMessage(appContext.getString(R.string.message_cannotlogin));
                                break;
                            case WRONG_PASSWORD:
                                alertBuilder
                                        .setTitle(appContext.getString(R.string.error_invalid_password_title));
                                alertBuilder.setMessage(
                                        appContext.getString(R.string.error_invalid_password_message));
                                break;
                            case RATELIMIT:
                                alertBuilder.setTitle(appContext.getString(R.string.error_ratelimit_title));
                                alertBuilder.setMessage(String.format("%s \"%s\"",
                                        appContext.getString(R.string.error_ratelimit_message),
                                        result.extraMessage));
                                break;
                            case SUCCESS:
                                RedditAccountManager.getInstance(appContext).addAccount(result.account);
                                RedditAccountManager.getInstance(appContext).setDefaultAccount(result.account);
                                alertBuilder.setTitle(appContext.getString(R.string.general_success));
                                alertBuilder.setMessage(appContext.getString(R.string.message_nowloggedin));
                                lastUsername = "";
                                break;
                            default:
                                throw new RuntimeException();
                            }

                            final AlertDialog alertDialog = alertBuilder.create();
                            alertDialog.show();
                        }
                    });
                }
            };

            thread.start();
        }
    });

    builder.setNegativeButton(R.string.dialog_cancel, null);

    return builder.create();
}