Java Code Examples for android.os.HandlerThread#quitSafely()
The following examples show how to use
android.os.HandlerThread#quitSafely() .
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Example 1
Source File: TesseractOCR.java From polling-station-app with GNU Lesser General Public License v3.0 | 5 votes |
/** * Starts (enqueues) a stop routine in a new thread, then returns immediately. */ public void stopScanner() { HandlerThread ht = new HandlerThread("stopper"); ht.start(); cleanHandler = new Handler(ht.getLooper()); cleanHandler.post(new Runnable() { @Override public void run() { cleanup(); } }); ht.quitSafely(); }
Example 2
Source File: FrameSender.java From AndroidInstantVideo with Apache License 2.0 | 5 votes |
public FrameSender(final FrameSenderCallback frameSenderCallback) { this.frameSenderCallback = frameSenderCallback; final HandlerThread sendHandlerThread = new HandlerThread("send_thread"); sendHandlerThread.start(); sendHandler = new Handler(sendHandlerThread.getLooper()) { @Override public void handleMessage(Message msg) { super.handleMessage(msg); if (msg.what == MESSAGE_READY_TO_CLOSE) { if (msg.obj != null) { addFrame((FramePool.Frame) msg.obj); } sendFrame(msg.arg1); frameSenderCallback.close(); sendHandlerThread.quitSafely(); } else if (msg.what == MSG_ADD_FRAME) { if (msg.obj != null) { addFrame((FramePool.Frame) msg.obj); } sendFrame(msg.arg1); } else if (msg.what == MSG_START) { frameSenderCallback.onStart(); } } }; }
Example 3
Source File: BitmapPrinter.java From ViewPrinter with Apache License 2.0 | 4 votes |
@Override public void print(final String printId, @NonNull final File directory, @NonNull String filename) { Context context = mDocument.getContext(); if (!checkPermission(context, directory)) return; if (!checkPreview(printId, directory, filename)) return; if (filename.toLowerCase().endsWith(mFormat)) { filename = filename.substring(0, filename.length() - mFormat.length()); } if (mDocument.getPageCount() == 0) return; final Handler ui = new Handler(); final HandlerThread thread = new HandlerThread(getClass().getSimpleName() + "Worker"); thread.start(); final Handler worker = new Handler(thread.getLooper()); dispatchOnPrePrint(mDocument); int count = mPrintAll ? mDocument.getPageCount() : mPrintable.length; for (int i = 0; i < count; i++) { final int page = mPrintAll ? i : mPrintable[i]; String suffix = count == 1 ? mFormat : "-" + (page + 1) + mFormat; final File file = new File(directory, filename + suffix); if (!checkFile(printId, file)) { thread.quitSafely(); return; // Error! } PrintSize size = mDocument.getPrintSize(); final Bitmap bitmap; float realWidth = size.widthPixels(context); float realHeight = size.heightPixels(context); float scale = mScale; scale = Math.min(scale, (float) mScaleMaxWidth / realWidth); scale = Math.min(scale, (float) mScaleMaxHeight / realHeight); final int outWidth = (int) (realWidth * scale); final int outHeight = (int) (realHeight * scale); if (Build.VERSION.SDK_INT >= 26) { bitmap = Bitmap.createBitmap(outWidth, outHeight, Bitmap.Config.ARGB_8888, true); } else { bitmap = Bitmap.createBitmap(outWidth, outHeight, Bitmap.Config.ARGB_8888); } Canvas canvas = new Canvas(bitmap); canvas.scale(scale, scale); DocumentPage view = mDocument.getPageAt(page); Drawable background = null; if (!mPrintBackground) { background = view.getBackground(); view.setBackground(null); } // Tried this to have shadows drawing but no success. // view.setWillNotCacheDrawing(false); // view.destroyDrawingCache(); // view.buildDrawingCache(); // canvas.drawBitmap(view.getDrawingCache(), 0, 0, null); view.draw(canvas); if (!mPrintBackground) { view.setBackground(background); } worker.post(new Runnable() { @Override public void run() { try (OutputStream stream = new BufferedOutputStream(new FileOutputStream(file))) { bitmap.compress(mCompressFormat, getPrintQuality(), stream); bitmap.recycle(); ui.post(new Runnable() { @Override public void run() { mCallback.onPrint(printId, file); } }); } catch (final IOException e) { LOG.e("print:", "got error on page:", page, "error:", e); ui.post(new Runnable() { @Override public void run() { Throwable error = new RuntimeException("Invalid file: " + file, e); mCallback.onPrintFailed(printId, error); } }); } } }); } dispatchOnPostPrint(mDocument); worker.post(new Runnable() { @Override public void run() { LOG.i("print:", "done, closing worker thread."); thread.quitSafely(); } }); }
Example 4
Source File: HandlerThreadCompat.java From attendee-checkin with Apache License 2.0 | 4 votes |
@Override public boolean quitSafely(HandlerThread thread) { return thread.quitSafely(); }