Examples with Handler android.os.Handler used on opensource projects

Example 91 with Handler

use of android.os.Handler in project platform_frameworks_base by android.

the class AudioTrack method postEventFromNative.

//---------------------------------------------------------
// Java methods called from the native side
//--------------------
@SuppressWarnings("unused")
private static void postEventFromNative(Object audiotrack_ref, int what, int arg1, int arg2, Object obj) {
    //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2);
    AudioTrack track = (AudioTrack) ((WeakReference) audiotrack_ref).get();
    if (track == null) {
        return;
    }
    if (what == AudioSystem.NATIVE_EVENT_ROUTING_CHANGE) {
        track.broadcastRoutingChange();
        return;
    }
    NativePositionEventHandlerDelegate delegate = track.mEventHandlerDelegate;
    if (delegate != null) {
        Handler handler = delegate.getHandler();
        if (handler != null) {
            Message m = handler.obtainMessage(what, arg1, arg2, obj);
            handler.sendMessage(m);
        }
    }
}

Example 92 with Handler

use of android.os.Handler in project platform_frameworks_base by android.

the class AudioTrack method addOnRoutingChangedListener.

/**
    * Adds an {@link AudioRouting.OnRoutingChangedListener} to receive notifications of routing
    * changes on this AudioTrack.
    * @param listener The {@link AudioRouting.OnRoutingChangedListener} interface to receive
    * notifications of rerouting events.
    * @param handler  Specifies the {@link Handler} object for the thread on which to execute
    * the callback. If <code>null</code>, the {@link Handler} associated with the main
    * {@link Looper} will be used.
    */
@Override
public void addOnRoutingChangedListener(AudioRouting.OnRoutingChangedListener listener, Handler handler) {
    synchronized (mRoutingChangeListeners) {
        if (listener != null && !mRoutingChangeListeners.containsKey(listener)) {
            testEnableNativeRoutingCallbacksLocked();
            mRoutingChangeListeners.put(listener, new NativeRoutingEventHandlerDelegate(this, listener, handler != null ? handler : new Handler(mInitializationLooper)));
        }
    }
}

Example 93 with Handler

use of android.os.Handler in project platform_frameworks_base by android.

the class Camera2SurfaceViewTestCase method setUp.

@Override
protected void setUp() throws Exception {
    /**
         * Set up the camera preview required environments, including activity,
         * CameraManager, HandlerThread, Camera IDs, and CameraStateCallback.
         */
    super.setUp();
    mContext = getActivity();
    /**
         * Workaround for mockito and JB-MR2 incompatibility
         *
         * Avoid java.lang.IllegalArgumentException: dexcache == null
         * https://code.google.com/p/dexmaker/issues/detail?id=2
         */
    System.setProperty("dexmaker.dexcache", mContext.getCacheDir().toString());
    mCameraManager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
    assertNotNull("Unable to get CameraManager", mCameraManager);
    mCameraIds = mCameraManager.getCameraIdList();
    assertNotNull("Unable to get camera ids", mCameraIds);
    mHandlerThread = new HandlerThread(TAG);
    mHandlerThread.start();
    mHandler = new Handler(mHandlerThread.getLooper());
    mCameraListener = new BlockingStateCallback();
    mCollector = new CameraErrorCollector();
    mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
    mIterations = getArgumentsAsNumber(ARG_KEY_ITERATIONS, 1).intValue();
    mTestWaitIntervalMs = getArgumentsAsNumber(ARG_KEY_WAIT_INTERVAL_MS, 1000).longValue();
    mWriteToFile = getArgumentsAsBoolean(ARG_KEY_RESULT_TO_FILE, true);
    Log.i(TAG, "Argument: iteration count=" + mIterations);
    Log.i(TAG, "Argument: interval (ms)=" + mTestWaitIntervalMs);
    Log.i(TAG, "Argument: result to file=" + (mWriteToFile ? "true" : "false"));
    mResultPrinter = new CameraTestResultPrinter(getInstrumentation(), mWriteToFile);
}

Example 94 with Handler

use of android.os.Handler in project platform_frameworks_base by android.

the class Camera2SurfaceViewTestCase method updatePreviewSurface.

/**
     * Update the preview surface size.
     *
     * @param size The preview size to be updated.
     */
protected void updatePreviewSurface(Size size) {
    if (size.equals(mPreviewSize) && mPreviewSurface != null) {
        Log.w(TAG, "Skipping update preview surface size...");
        return;
    }
    mPreviewSize = size;
    Camera2SurfaceViewActivity ctsActivity = getActivity();
    final SurfaceHolder holder = ctsActivity.getSurfaceView().getHolder();
    Handler handler = new Handler(Looper.getMainLooper());
    handler.post(new Runnable() {

        @Override
        public void run() {
            holder.setFixedSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        }
    });
    boolean res = ctsActivity.waitForSurfaceSizeChanged(WAIT_FOR_SURFACE_CHANGE_TIMEOUT_MS, mPreviewSize.getWidth(), mPreviewSize.getHeight());
    assertTrue("wait for surface change to " + mPreviewSize.toString() + " timed out", res);
    mPreviewSurface = holder.getSurface();
    assertNotNull("Preview surface is null", mPreviewSurface);
    assertTrue("Preview surface is invalid", mPreviewSurface.isValid());
}

Example 95 with Handler

use of android.os.Handler in project platform_frameworks_base by android.

the class SettingsProviderTest method setSettingAndAssertSuccessfulChange.

private void setSettingAndAssertSuccessfulChange(Runnable setCommand, final int type, final String name, final String value, final int userId) throws Exception {
    ContentResolver contentResolver = getContext().getContentResolver();
    final Uri settingUri = getBaseUriForType(type);
    final AtomicBoolean success = new AtomicBoolean();
    ContentObserver contentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {

        public void onChange(boolean selfChange, Uri changeUri, int changeId) {
            Log.i(LOG_TAG, "onChange(" + selfChange + ", " + changeUri + ", " + changeId + ")");
            assertEquals("Wrong change Uri", changeUri, settingUri);
            assertEquals("Wrong user id", userId, changeId);
            String changeValue = getStringViaFrontEndApiSetting(type, name, userId);
            assertEquals("Wrong setting value", value, changeValue);
            success.set(true);
            synchronized (mLock) {
                mLock.notifyAll();
            }
        }
    };
    contentResolver.registerContentObserver(settingUri, false, contentObserver, userId);
    try {
        setCommand.run();
        final long startTimeMillis = SystemClock.uptimeMillis();
        synchronized (mLock) {
            if (success.get()) {
                return;
            }
            final long elapsedTimeMillis = SystemClock.uptimeMillis() - startTimeMillis;
            if (elapsedTimeMillis > WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS) {
                fail("Could not change setting for " + WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS + " ms");
            }
            final long remainingTimeMillis = WAIT_FOR_SETTING_URI_CHANGE_TIMEOUT_MILLIS - elapsedTimeMillis;
            try {
                mLock.wait(remainingTimeMillis);
            } catch (InterruptedException ie) {
            /* ignore */
            }
        }
    } finally {
        contentResolver.unregisterContentObserver(contentObserver);
    }
}