Code example for Handler

Methods: removeMessagessendEmptyMessageDelayed

0
        writeEntropy(); 
        scheduleEntropyWriter(); 
    } 
 
    private void scheduleEntropyWriter() { 
        mHandler.removeMessages(ENTROPY_WHAT);
        mHandler.sendEmptyMessageDelayed(ENTROPY_WHAT, ENTROPY_WRITE_PERIOD);
    } 
 
    private void loadInitialEntropy() { 
        try { 
            RandomBlock.fromFile(ENTROPY_FILENAME).toFile(RANDOM_DEV);
        } catch (IOException e) {
            Log.w(TAG, "unable to load initial entropy (first boot?)", e);
        } 
    } 
 
    private void writeEntropy() { 
        try { 
            RandomBlock.fromFile(RANDOM_DEV).toFile(ENTROPY_FILENAME);
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