Отображать таймер во время записи видео Android ⇐ Android

[Anonymous]

Я делаю видеорегистратор, и я хочу иметь время, сколько времени у пользователя получили рекордер видео. Время будет учитывать вверх. < /p>

Чтобы вычислить время, я использую тему и запуск расчета, когда пользователь нажимает кнопку «Пуск», и он остановится, когда пользователь нажимает кнопку «Остановка». Однако моя проблема здесь заключается в том, что таймер не работает, и я думаю, что нить не выполняет свою работу. Ниже приведен мой logcat. < /p>

< /p>

вот мой код для основной активности < /p>

public class Videotest1Activity extends Activity implements
SurfaceHolder.Callback, OnInfoListener, OnErrorListener{

Camera camera;
VideoView videoView;
SurfaceHolder holder;
TextView msg;
Button initBtn, startBtn, stopBtn, playBtn, stprevBtn;
MediaRecorder recorder;

String outputFileName;
static final String TAG = "RecordVideo";
int maxDuration = 7000;//7sec
int frameRate = 1;//15

String serverIP = "172.19.117.12";
int serverPort = 2000;
Socket socket;

int mCount;
TimerThread mTimer;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_videotest1);

videoView = (VideoView) findViewById(R.id.videoView1);
initBtn = (Button) findViewById(R.id.initialize);
startBtn = (Button) findViewById(R.id.button1);
stopBtn = (Button) findViewById(R.id.button3);
msg = (TextView) findViewById(R.id.textView1);
playBtn = (Button) findViewById(R.id.reviewBtn);
stprevBtn = (Button) findViewById(R.id.stprevBtn);

mTimer= new TimerThread();
mTimer.setOnAlarmListener(mSTimer_OnAlarm);
mTimer.setPeriod(100);
}

public void buttonTapped(View view){
switch(view.getId()){
case R.id.initialize:
initRecorder();
break;
case R.id.button1:
beginRecording();
break;
case R.id.button3:
stopRecording();
break;
case R.id.reviewBtn:
playRecording();
break;
case R.id.stprevBtn:
stopPlayback();
break;
}
}

@Override
public void onError(MediaRecorder mr, int what, int extra) {
Log.e(TAG, "Record error");
stopRecording();
Toast.makeText(this, "Recording limit reached", 2500).show();
}

@Override
public void onInfo(MediaRecorder mr, int what, int extra) {
Log.i(TAG, "recording event");
if(what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED){
Log.i(TAG, "...max duration reached");
stopRecording();
Toast.makeText(this, "Recording limit info", 2500).show();
}
}

@Override
public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {

}

@Override
public void surfaceCreated(SurfaceHolder arg0) {
Log.v(TAG, "in surfaceCreated");

try{
camera.setPreviewDisplay(holder);
camera.startPreview();
}catch(IOException e){
Log.v(TAG, "Could not start the preview");
e.printStackTrace();
}
initBtn.setEnabled(true);
startBtn.setEnabled(true);
stopBtn.setEnabled(true);
}

@Override
public void surfaceDestroyed(SurfaceHolder arg0) {

}

protected void onResume(){
Log.v(TAG, "in onResume");
super.onResume();
initBtn.setEnabled(false);
startBtn.setEnabled(false);
stopBtn.setEnabled(false);
playBtn.setEnabled(false);
stprevBtn.setEnabled(false);
if(!initCamera())
finish();
}

public boolean initCamera(){
try{
camera = Camera.open();
Camera.Parameters camParam = camera.getParameters();
camera.lock();
holder = videoView.getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
//Thread thread = new Thread(new hantarThread());
//thread.start();
}catch(RuntimeException re){
Log.v(TAG, "Could not initialize the camera");
re.printStackTrace();
return false;
}
return true;
}

public void initRecorder(){
if(recorder == null){
Toast.makeText(this, "record null", 2500).show();
}
else{
Toast.makeText(this, "record have", 2500).show();
}
outputFileName = Environment.getExternalStorageDirectory() + "/videooutput.mp4";

File outputFile = new File(outputFileName);
if(outputFile.exists())
outputFile.delete();//knp nk dlt?

try{
camera.stopPreview();
camera.unlock();
recorder = new MediaRecorder();
recorder.setCamera(camera);

recorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setVideoSize(176, 144);
recorder.setVideoFrameRate(frameRate);//15
recorder.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setMaxDuration(maxDuration);
recorder.setPreviewDisplay(holder.getSurface());
recorder.setOutputFile(outputFileName);

recorder.prepare();
Log.v(TAG, "MediaRecorder initialized");
initBtn.setEnabled(false);
startBtn.setEnabled(true);
}catch(Exception e){
Log.v(TAG, "MediaRecorder failed");
e.printStackTrace();
}
}

public void beginRecording(){
mCount = 0;
mTimer.start();

recorder.setOnInfoListener(this);
recorder.setOnErrorListener(this);
recorder.start();

msg.setText("Recording");
startBtn.setEnabled(false);
stopBtn.setEnabled(true);
}

public void stopRecording(){
if(recorder != null){
recorder.setOnErrorListener(null);
recorder.setOnInfoListener(null);
try{
recorder.stop();
mTimer.stop();
}catch(IllegalStateException e){
Log.e(TAG, "Got Illegal");
}
releaseRecorder();
msg.setText("");
releaseCamera();
startBtn.setEnabled(false);
stopBtn.setEnabled(false);
playBtn.setEnabled(true);
}
}

private void releaseCamera(){
if(camera != null){
try{
camera.reconnect();
}catch(IOException e){
e.printStackTrace();
}
camera.release();
camera = null;
}
}

private void releaseRecorder(){
if(recorder != null){
recorder.release();
recorder = null;
}
}

private void playRecording(){
MediaController mc = new MediaController(this);
videoView.setMediaController(mc);
videoView.setVideoPath(outputFileName);
videoView.start();
stprevBtn.setEnabled(true);
}

private void stopPlayback(){
videoView.stopPlayback();
}

//----time thread---
OnAlarmListener mSTimer_OnAlarm= new OnAlarmListener() {
@Override
public void OnAlarm(TimerThread source) {
mCount++;
msg.setText("Count="+mCount);
if( mCount==100) source.stop();
}
};
//----end time thread---
< /code>

Вот мой код для timerthread.java < /p>

package com.example.videotest1;

import android.os.Handler;

/**
* A class that implements a simple timer.
* The timer does not create a separate thread, so there are no multi-threading issues in your activity.
* The timer uses an event listener as callback when it expires ("alarm") .
* @author Maarten Pennings 2011 September 26
*/
public class TimerThread {

// The minimal value for the period of a timer (in milliseconds).
public static final int MinPeriod = 10;

// Interface definition for a callback to be invoked when a timer expires ("alarm").
public interface OnAlarmListener {
/**
* Callback that timer 'source' has expired ("alarm").
* @param source Timer that expired (when multiple timers use same listener)
*/
void OnAlarm( TimerThread source );
}

protected int mPeriod= 100; // what is the period of the timer (in milliseconds)
protected boolean mEnabled= false; // is the timer enabled?
protected OnAlarmListener mOnAlarmListener= null; // the listener (callback) for the alarm events
protected Handler mHandler= new Handler(); // handler to the thread's queue, allows us to send (timed) messages to that queue
protected Runnable mMessage= new Runnable() { // The message being posted on the message queue
@Override public void run()
{
// Call the listener (when it is set).
if( mOnAlarmListener!=null ) mOnAlarmListener.OnAlarm(TimerThread.this);

// Cascade, i.e. post a new delayed message to ourselves.
// NOTE: The listener could have called stop(), this removes the mMessage message form the queue.
// However, there is no such message, it has just

been taken out of the queue and is currently being executed.
// So check if the timer is still enabled before cascading (posting a new delayed message).
if( mEnabled ) mHandler.postDelayed(mMessage, mPeriod);
}
};

/**
* Set the period of the timer. The timer must be separately enabled before its starts generating alarm events.
* @param ms the period of the timer in milliseconds
*/
public void setPeriod( int ms ) {
if( ms

И последнее мое oNalarmlistener.java < /p>

public class OnAlarmListener implements TimerThread.OnAlarmListener {

public void OnAlarm(TimerThread source) {
// TODO Auto-generated method stub

}


Подробнее здесь: https://stackoverflow.com/questions/125 ... ng-android