Why can't my GUI return back to recording mode despite having service?

1public class CameraTest extends Activity implements SurfaceHolder.Callback {
2
3 private static final String TAG = "Exception";
4
5 public static SurfaceView surfaceView;
6 public static SurfaceHolder surfaceHolder;
7 public static Camera camera;
8 public static boolean previewRunning;
9
10 @Override
11 public void onCreate(Bundle savedInstanceState) {
12 super.onCreate(savedInstanceState);
13 setContentView(R.layout.main);
14
15 surfaceView = (SurfaceView)findViewById(R.id.surface_camera);
16 surfaceHolder = surfaceView.getHolder();
17 surfaceHolder.addCallback(this);
18
19 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
20
21 Button btnStart = (Button) findViewById(R.id.button4);
22 btnStart.setOnClickListener(new View.OnClickListener()
23 {
24 public void onClick(View v)
25 {
26 startService(new Intent(getApplicationContext(), ServiceRecording.class));
27 }
28 });
29
30 Button btnStop = (Button) findViewById(R.id.button5);
31 btnStop.setOnClickListener(new View.OnClickListener()
32 {
33 public void onClick(View v)
34 {
35 stopService(new Intent(getApplicationContext(), ServiceRecording.class));
36 }
37 });
38 }
39
40 @Override
41 public void surfaceCreated(SurfaceHolder holder) {
42 camera = Camera.open();
43 if (camera != null) {
44 Camera.Parameters params = camera.getParameters();
45 camera.setParameters(params);
46 }
47 else {
48 Toast.makeText(getApplicationContext(), "Camera not available!", Toast.LENGTH_LONG).show();
49 finish();
50 }
51 }
52
53 @Override
54 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
55 if (previewRunning) {
56 camera.stopPreview();
57 }
58
59 Camera.Parameters p = camera.getParameters();
60 p.setPreviewSize(320, 240);
61 p.setPreviewFormat(PixelFormat.JPEG);
62 camera.setParameters(p);
63
64 try {
65 camera.setPreviewDisplay(holder);
66 camera.startPreview();
67 previewRunning = true;
68 }
69 catch (IOException e) {
70 Log.e(TAG,e.getMessage());
71 e.printStackTrace();
72 }
73 }
74
75 @Override
76 public void onResume(){
77 super.onResume();
78
79 }
80
81 @Override
82 public void surfaceDestroyed(SurfaceHolder holder){
83 camera.stopPreview();
84 previewRunning = false;
85 camera.release();
86 }
87}

1public class ServiceRecording extends Service {
2
3 @Override
4 public IBinder onBind(Intent intent) {
5 // TODO Auto-generated method stub
6 return null;
7 }
8
9 private SurfaceView surfaceView;
10 private SurfaceHolder surfaceHolder;
11 private Camera camera;
12 private boolean recordingStatus;
13 private MediaRecorder mediaRecorder;
14 private final int maxDurationInMs = 20000;
15
16 private static final String TAG = "Exception";
17
18 @Override
19 public void onCreate() {
20 super.onCreate();
21
22 recordingStatus = false;
23 camera = CameraTest.camera;
24 surfaceView = CameraTest.surfaceView;
25 surfaceHolder = CameraTest.surfaceHolder;
26 }
27
28 @Override
29 public int onStartCommand(Intent intent, int flags, int startId) {
30 super.onStartCommand(intent, flags, startId);
31 if (recordingStatus == false)
32 startRecording();
33
34 return START_STICKY;
35 }
36
37 @Override
38 public void onDestroy() {
39 super.onDestroy();
40
41 stopRecording();
42 //camera.stopPreview();
43 recordingStatus = false;
44 //camera.release();
45 }
46
47 public boolean startRecording(){
48 try {
49 Toast.makeText(getBaseContext(), "Recording Started", Toast.LENGTH_SHORT).show();
50 try{
51 camera.unlock();
52 }
53 catch(Exception e){
54
55 camera.reconnect();
56 }
57
58 mediaRecorder = new MediaRecorder();
59
60 mediaRecorder.setCamera(camera);
61
62 mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
63
64 mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
65
66 mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
67
68 mediaRecorder.setMaxDuration(maxDurationInMs);
69
70 mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
71
72 mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
73
74 //mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
75 DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH_mm_ss");
76 Date date = new Date();
77 File directory = new File(Environment.getExternalStorageDirectory() + "/VideoList");
78
79 if(!(directory.exists()))
80 directory.mkdir();
81
82 File FileSaved = new File(Environment.getExternalStorageDirectory() + "/VideoList", dateFormat.format(date) + ".3gp");
83 mediaRecorder.setOutputFile(FileSaved.getPath());
84
85 mediaRecorder.setVideoSize(surfaceView.getWidth(),surfaceView.getHeight());
86
87 //mediaRecorder.setVideoFrameRate(videoFramesPerSecond);
88
89 mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
90
91 mediaRecorder.prepare();
92 mediaRecorder.start();
93
94 recordingStatus = true;
95
96 return true;
97 }
98
99 catch (IllegalStateException e) {
100 Log.d(TAG,e.getMessage());
101 e.printStackTrace();
102 return false;
103 }
104 catch (IOException e) {
105 Log.d(TAG,e.getMessage());
106 e.printStackTrace();
107 return false;
108 }
109 }
110
111 public void stopRecording() {
112 Toast.makeText(getBaseContext(), "Recording Stopped", Toast.LENGTH_SHORT).show();
113 mediaRecorder.stop();
114 try {
115 camera.reconnect();
116 } catch (IOException e) {
117 // TODO Auto-generated catch block
118 e.printStackTrace();
119 }
120 recordingStatus = false;
121 }
122}