Example usage for android.os Handler postDelayed

List of usage examples for android.os Handler postDelayed

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Introduction

In this page you can find the example usage for android.os Handler postDelayed.

Prototype

public final boolean postDelayed(Runnable r, long delayMillis)

Source Link

Document

Causes the Runnable r to be added to the message queue, to be run after the specified amount of time elapses.

Usage

From source file:it.flaviomascetti.posture.PostureCheckFragment.java

@Override
public void onStart() {
    super.onStart();

    button = (Button) getActivity().findViewById(R.id.button_posture_check);

    if (ContextCompat.checkSelfPermission(getActivity(),
            Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) {
        Log.e(getString(R.string.app_name), getString(R.string.error_write_permission));

        ActivityCompat.requestPermissions(getActivity(),
                new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE },
                MY_PERMISSION_REQUEST_SDCARD_WRITE);
    } else // if the permission is granted the button has to be enabled
        button.setEnabled(true);//from  w  w  w . j  av  a  2 s .com

    button.setOnClickListener(new View.OnClickListener() {

        public void onClick(View v) {
            // Close the keyboard
            InputMethodManager inputManager = (InputMethodManager) getActivity()
                    .getSystemService(Context.INPUT_METHOD_SERVICE);

            inputManager.hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(),
                    InputMethodManager.HIDE_NOT_ALWAYS);

            // Retrieve the chest height from the editText
            EditText et = (EditText) getActivity().findViewById(R.id.edit_text_height);
            Integer height = Integer.parseInt(et.getText().toString());

            if (height >= 1000 && height <= 2000) {
                chestHeight = height;

                et.setEnabled(false);

                // Check SdCard write permission
                Calendar c = Calendar.getInstance();
                String name = String.valueOf(c.get(Calendar.YEAR)) + "-"
                        + String.valueOf(c.get(Calendar.MONTH) + 1) + "-"
                        + String.valueOf(c.get(Calendar.DAY_OF_MONTH)) + "-"
                        + String.valueOf(c.get(Calendar.HOUR)) + "-" + String.valueOf(c.get(Calendar.MINUTE))
                        + "-" + String.valueOf(c.get(Calendar.SECOND));

                // Create the results file
                file = createFile(folder, name + ".csv");

                // Showing the start snackbar
                Snackbar.make(getActivity().findViewById(R.id.fragment_posture_test), R.string.snack_begin_test,
                        Snackbar.LENGTH_LONG).show();

                // Opening the output stream on the file
                try {
                    bW = new BufferedWriter(new FileWriter(file, true));
                    bW.write("x\t" + //
                    "y\t" + // Acceleration force
                    "z\t" + //
                    "x (mm)\t" + // Conversion of acceleration
                    "z (mm)\t" + // force to mm
                    "dCoP\t" + // Euclidean distance from actualCoP to previous CoP
                    "lengthCoPPath"); // Summation of euclidean dist
                } catch (IOException e) {
                    e.printStackTrace();
                }

                testInProgress = false;

                // Delayed start of function testStart
                Handler handler = new Handler();
                handler.postDelayed(testStart, 7000); // 7000 ms = 7 sec*

                // Make the Begin Button unclickable
                button.setEnabled(false);
            } else {
                // Showing the error snackbar
                Snackbar.make(getActivity().findViewById(R.id.fragment_posture_test),
                        R.string.snack_error_height, Snackbar.LENGTH_LONG).show();
            }

        }
    });
}

From source file:com.sbhstimetable.sbhs_timetable_android.CountdownFragment.java

public void updateTimer() {
    final View f = this.getView();
    if (f == null) {
        return;/*from  w  w w  . j a  v a2  s. com*/
    }

    if (timeLeft != null) {
        cancelling = true;
        timeLeft.cancel();
        cancelling = false;
    }

    RelativeLayout extraData = (RelativeLayout) f.findViewById(R.id.countdown_extraData);
    TextView teacher = (TextView) extraData.findViewById(R.id.countdown_extraData_teacher);
    teacher.setText("");
    TextView room = (TextView) extraData.findViewById(R.id.countdown_extraData_room);
    room.setText("");
    TextView subject = (TextView) extraData.findViewById(R.id.countdown_extraData_subject);
    subject.setText("");
    String label = "Something";
    String connector = "happens in";
    TodayJson.Period p = null;
    if (DateTimeHelper.bells != null) {
        BelltimesJson.Bell next = DateTimeHelper.bells.getNextBell();
        if (next != null) {
            BelltimesJson.Bell now = DateTimeHelper.bells.getIndex(next.getIndex() - 1);
            if (now.isPeriod() && now.getPeriodNumber() < 5) { // in a period, it's not last period.
                connector = "ends in";
                if (ApiAccessor.isLoggedIn() && TodayJson.getInstance() != null) {
                    p = TodayJson.getInstance().getPeriod(now.getPeriodNumber());
                    label = p.name();
                    teacher.setText(p.teacher());
                    room.setText(p.room());
                    subject.setText(p.name());
                    extraData.setVisibility(View.VISIBLE);
                } else {
                    label = now.getLabel();
                    extraData.setVisibility(View.INVISIBLE);
                }
            } else if (now.isPeriod() && now.getPeriodNumber() == 5) { // last period
                connector = "in";
                label = "School ends";
                extraData.setVisibility(View.INVISIBLE);
            } else if (now.getIndex() + 1 < DateTimeHelper.bells.getMaxIndex()
                    && DateTimeHelper.bells.getIndex(now.getIndex() + 1).isPeriod()) { // in a break followed by a period - Lunch 2, Recess, Transition.
                connector = "starts in";
                if (ApiAccessor.isLoggedIn() && TodayJson.getInstance() != null) {
                    p = TodayJson.getInstance()
                            .getPeriod(DateTimeHelper.bells.getIndex(now.getIndex() + 1).getPeriodNumber());
                    label = p.name();
                    teacher.setText(p.teacher());
                    room.setText(p.room());
                    subject.setText(p.name());
                    extraData.setVisibility(View.VISIBLE);
                } else {
                    label = DateTimeHelper.bells.getIndex(now.getIndex() + 1).getLabel();
                    extraData.setVisibility(View.VISIBLE);
                }
            } else { // There's consecutive non-periods - i.e lunch 1 -> lunch 2
                label = now.getLabel();
                connector = "starts in";
            }
        } else {
            // end of day
            label = "School starts";
            connector = "in";
            if (TodayJson.getInstance() != null && TodayJson.getInstance().getPeriod(1) != null) {
                extraData.setVisibility(View.VISIBLE);
                p = TodayJson.getInstance().getPeriod(1);
                teacher.setText(p.teacher());
                room.setText(p.room());
                subject.setText(p.name());
            } else {
                extraData.setVisibility(View.INVISIBLE);
            }
        }
    }

    if (p != null) {
        if (p.teacherChanged()) {
            teacher.setTextColor(getActivity().getResources().getColor(R.color.standout));
        } else {
            //teacher.setTextColor(getActivity().getResources().getColor(R.color.secondary_text_dark));
        }
        if (p.roomChanged()) {
            room.setTextColor(getActivity().getResources().getColor(R.color.standout));
        } else {
            //room.setTextColor(getActivity().getResources().getColor(android.R.color.secondary_text_dark));
        }
    }

    final String innerLabel = label;
    ((TextView) f.findViewById(R.id.countdown_name)).setText(label);
    ((TextView) f.findViewById(R.id.countdown_in)).setText(connector);
    final TextView t = (TextView) f.findViewById(R.id.countdown_countdown);
    final CountdownFragment frag = this;
    CountDownTimer timer = new CountDownTimer(DateTimeHelper.milliSecondsUntilNextEvent(), 1000) {
        long lastTime = 10000;
        boolean isLast = innerLabel.equals("School ends");

        @Override
        public void onTick(long l) {
            lastTime = l;
            t.setText(DateTimeHelper.formatToCountdown(l));
        }

        @Override
        public void onFinish() {
            if (this.lastTime <= 1000 && !cancelling) {
                if (this.isLast) {
                    ApiAccessor.getToday(frag.getActivity());
                    ApiAccessor.getBelltimes(frag.getActivity());
                }
                final Handler h = new Handler();
                h.postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        updateTimer();
                    }
                }, 1000);
            }
        }
    };
    timer.start();
    timeLeft = timer;
}

From source file:com.bjerva.tsplex.fragments.SignListFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    ma = (MainActivity) getActivity();/*from www .j  a  v a 2 s.com*/

    mGaInstance = GoogleAnalytics.getInstance(ma);
    mGaTracker = mGaInstance.getTracker("UA-39295928-1");

    if (ma.isDoneLoading()) {
        Log.d(TAG, "Loading signs here");
        loadSigns();
    } else {
        final Handler handler = new Handler();
        final Runnable r = new Runnable() {
            public void run() {
                if (ma.isDoneLoading()) {
                    loadSigns();
                } else {
                    handler.postDelayed(this, 150);
                }
            }
        };
        handler.postDelayed(r, 1000);
    }
}

From source file:de.da_sense.moses.client.RunningFragment.java

/**
 * Refresh the list of installed Applications from the user studies.
 *///from  w  ww. j  ava2s  .c  o m
private void refreshInstalledApplications() {
    Log.d(LOG_TAG, "refreshing the installed Applications.");
    if (WelcomeActivity.checkInstalledStatesOfApks() == null) {
        if (retriesCheckValidState < 4) {
            Handler delayedRetryHandler = new Handler();
            delayedRetryHandler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    refreshInstalledApplications();
                }
            }, 1500);
            retriesCheckValidState++;
        } else {
            // TODO:show error when all retries didn't work?
            // TODO:BIG also do this for viewAvailableApplicationsList?
        }
    } else {
        retriesCheckValidState = 0;
    }
    if (InstalledExternalApplicationsManager.getInstance() == null)
        InstalledExternalApplicationsManager.init(mActivity);

    installedApps = sortForDisplay(new LinkedList<InstalledExternalApplication>(
            InstalledExternalApplicationsManager.getInstance().getApps()));

    populateList(installedApps);
}

From source file:com.peaceworld.wikisms.view.newui.BaseActivity.java

public void switchMenu(Fragment fragment) {

    getSupportFragmentManager().beginTransaction().replace(R.id.menu_frame, fragment).commit();
    Handler h = new Handler();
    h.postDelayed(new Runnable() {
        public void run() {
            getSlidingMenu().showMenu();
        }//from www. j  a  va2  s .co  m
    }, 50);

    //toggle();
}

From source file:com.amazon.android.tv.tenfoot.ui.fragments.ContentDetailsFragment.java

/**
 * Since we do not have direct access to the details overview actions row, we are adding a
 * delayed handler that waits for some time, searches for the row and then updates the
 * properties. This is not a fool-proof method,
 * > In slow devices its possible that this does not succeed in achieving the desired result.
 * > In fast devices its possible that the update is clearly visible to the user.
 * TODO: Find a better approach to update action properties
 *//*from   w ww . jav a  2  s.c o m*/
private void updateActionsProperties() {

    Handler handler = new Handler(Looper.getMainLooper());
    handler.postDelayed(() -> {
        View view = getView();
        if (view != null) {
            HorizontalGridView horizontalGridView = (HorizontalGridView) view
                    .findViewById(R.id.details_overview_actions);

            if (horizontalGridView != null) {
                // This is required to make sure this button gets the focus whenever
                // detailsFragment is resumed.
                horizontalGridView.requestFocus();
                for (int i = 0; i < horizontalGridView.getChildCount(); i++) {
                    final Button button = (Button) horizontalGridView.getChildAt(i);
                    if (button != null) {
                        // Button objects are recreated every time MovieDetailsFragment is
                        // created or restored, so we have to bind OnKeyListener to them on
                        // resuming the Fragment.
                        button.setOnKeyListener((v, keyCode, keyEvent) -> {
                            if (keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE
                                    && keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
                                button.performClick();
                            }
                            return false;
                        });
                    }
                }
            }
        }
    }, 400);
}

From source file:com.peaceworld.wikisms.view.newui.BaseActivity.java

public void switchContent(Fragment fragment, boolean toggle) {

    getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, fragment).commit();

    if (toggle) {
        Handler h = new Handler();
        h.postDelayed(new Runnable() {
            public void run() {
                getSlidingMenu().showContent();
            }//  w w  w  . jav a  2s .  com
        }, 50);
    }
    //toggle();
}

From source file:com.adkdevelopment.simpleflashlightadfree.ui.EmergencyFragment.java

/**
 * Starts emergency sound from assets//  w  w w.  j  a v  a  2s .  co  m
 */
public void emergencySignal() {

    try {
        if (mMediaPlayer != null && mMediaPlayer.isPlaying() && status == FlashlightService.STATUS_OFF) {
            mMediaPlayer.stop();
            mMediaPlayer.reset();
            mMediaPlayer.release();
            mMediaPlayer = null;

            mLinearLayout.setBackgroundColor(ContextCompat.getColor(getContext(), R.color.colorBackground));
        } else if (status == FlashlightService.STATUS_BLINK) {

            final AnimationDrawable drawable = new AnimationDrawable();
            final Handler handler = new Handler();

            drawable.addFrame(new ColorDrawable(Color.RED), 400);
            drawable.addFrame(new ColorDrawable(Color.BLUE), 400);
            drawable.setOneShot(false);

            mLinearLayout.setBackground(drawable);
            handler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    drawable.start();
                }
            }, 100);

            mMediaPlayer = new MediaPlayer();
            AssetFileDescriptor descriptor = getActivity().getAssets().openFd("sews.mp3");
            mMediaPlayer.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(),
                    descriptor.getLength());
            descriptor.close();

            mMediaPlayer.prepare();
            mMediaPlayer.setVolume(1f, 1f);
            mMediaPlayer.setLooping(true);
            mMediaPlayer.start();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.techmighty.baseplayer.activities.MainActivity.java

private void updatePosition(final MenuItem menuItem) {
    runnable = null;/*w w  w. j a  v  a 2s. co m*/

    switch (menuItem.getItemId()) {
    case R.id.nav_library:
        runnable = navigateLibrary;

        break;
    case R.id.nav_playlists:
        runnable = navigatePlaylist;

        break;
    case R.id.nav_nowplaying:
        NavigationUtils.navigateToNowplaying(MainActivity.this, false);
        break;
    case R.id.nav_queue:
        runnable = navigateQueue;

        break;
    case R.id.nav_settings:
        NavigationUtils.navigateToSettings(MainActivity.this);
        break;
    case R.id.nav_help:
        Intent intent = new Intent(Intent.ACTION_VIEW);
        Uri data = Uri.parse("mailto:techmightian@gmail.com");
        intent.setData(data);
        startActivity(intent);
        break;
    case R.id.nav_about:
        mDrawerLayout.closeDrawers();
        Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            @Override
            public void run() {
                Helpers.showAbout(MainActivity.this);
            }
        }, 350);

        break;
    }

    if (runnable != null) {
        menuItem.setChecked(true);
        mDrawerLayout.closeDrawers();
        Handler handler = new Handler();
        handler.postDelayed(new Runnable() {
            @Override
            public void run() {
                runnable.run();
            }
        }, 350);
    }
}

From source file:edu.cloud.iot.reception.ocr.FaceRecognitionActivity.java

public void nextHandler(View view) {
    // call AsynTask to perform network operation on separate thread
    try {//from  w  ww  . j  a va 2  s.com
        asyncFaceRecog = new AsyncFaceRecognition();
        asyncFaceRecog.setParent(this);
        // asyncFaceRecog.setBaseFile(imageBytes);
        // asyncFaceRecog.setCompareFile(imageBytes);
        Log.i("EDebug::ResponseOutput", "Triggering FaceRecognition service..");
        Log.i("EDebug::VisitorImageByteArray", "Visitor Image --> " + imageBytes.toString());
        Log.i("EDebug::LicenseImageByteArray", "License Image --> " + licenseBytes.toString());
        // asyncFaceRecog.setBaseFile(licenseBytes);
        // asyncFaceRecog.setCompareFile(imageBytes);
        asyncFaceRecog.asyncState = "processing";
        asyncFaceRecog.execute("");
        // jsonResponse = asyncFaceRecog.getResponse();

        // Log.i("ResponseOutput", jsonResponse.toString(1));
    } catch (Exception ex) {
        Log.i("EDebug::FaceRecogError", "ERROR" + ex.getLocalizedMessage());
        ex.printStackTrace();
    }
    // while(asyncFaceRecog.asyncState.equalsIgnoreCase("processing")){
    // Log.i("EDebug:: (While Loop) asyncFaceRecog.asyncState = ",asyncFaceRecog.asyncState+"");
    // try {
    // Thread.sleep(1000);
    // } catch (InterruptedException e) {
    // e.printStackTrace();
    // }
    // }
    Handler handler = new Handler();
    handler.postDelayed(new Runnable() {
        public void run() {
            while (asyncFaceRecog.asyncState.equalsIgnoreCase("processing")) {
                Log.i("EDebug:: Thread - asyncFaceRecog.asyncState = ", "" + asyncFaceRecog.asyncState);
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

        }
    }, 500);
}