1 files changed, 201 insertions, 0 deletions
diff --git a/src/com/example/capture/MainActivity.java b/src/com/example/capture/MainActivity.java
new file mode 100644
index 0000000..b6e96de
--- /dev/null
+++ b/src/com/example/capture/MainActivity.java
@@ -0,0 +1,201 @@
+package com.example.capture;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+import android.app.Activity;
+import android.content.Intent;
+import android.hardware.Camera;
+import android.hardware.Camera.Parameters;
+import android.media.MediaRecorder;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.SurfaceHolder;
+import android.view.SurfaceHolder.Callback;
+import android.view.Menu;
+import android.view.SurfaceView;
+import android.widget.Toast;
+
+//http://stackoverflow.com/questions/17042308/select-a-music-file-to-play-with-mediaplayer
+//http://stackoverflow.com/questions/2709087/turning-a-string-into-a-uri-android
+
+public class MainActivity extends Activity implements Callback {
+
+    @Override
+    protected void onDestroy() {
+        stopRecording();
+        super.onDestroy();
+    }
+
+    private SurfaceHolder surfaceHolder;
+    private SurfaceView surfaceView;
+    public MediaRecorder mrec = new MediaRecorder();    
+    private Camera mCamera;
+    private Uri uriSound;
+
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.main);
+
+        surfaceView = (SurfaceView) findViewById(R.id.surface_camera);
+        
+        mCamera = Camera.open();
+        
+        surfaceHolder = surfaceView.getHolder();
+        surfaceHolder.addCallback(this);
+        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
+        
+        uriSound=Uri.parse("");
+                
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu)
+    {
+
+        menu.add(0, 0, 0, "Start");
+        menu.add(0, 0, 0, "Pick audio track");
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item)
+    {
+        if(item.getTitle().equals("Start"))
+        {
+            try {
+                
+                startRecording();
+                item.setTitle("Stop");
+
+            } catch (Exception e) {
+
+                String message = e.getMessage();
+                Log.i(null, "Problem " + message);
+                mrec.release();
+            }
+
+        }
+        else if(item.getTitle().equals("Stop"))
+        {
+            mrec.stop();
+            mrec.release();
+            mrec = null;
+            item.setTitle("Start");
+        }
+        else if(item.getTitle().equals("Pick audio track"))
+        {
+        	Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI);
+            startActivityForResult(intent, 10);
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    protected void startRecording() throws IOException
+    {
+        if(mCamera==null)
+            mCamera = Camera.open();
+        
+         String filename;
+         String path;
+        
+         path= Environment.getExternalStorageDirectory().getAbsolutePath().toString();
+         
+         Date date=new Date();
+         filename="/rec"+date.toString().replace(" ", "_").replace(":", "_")+".mp4";
+         
+         //create empty file it must use
+         File file=new File(path,filename);
+         
+        mrec = new MediaRecorder(); 
+
+        mCamera.lock();
+        mCamera.unlock();
+
+        // Please maintain sequence of following code. 
+
+        // If you change sequence it will not work.
+        mrec.setCamera(mCamera);    
+        mrec.setVideoSource(MediaRecorder.VideoSource.CAMERA);
+        mrec.setAudioSource(MediaRecorder.AudioSource.MIC);     
+        mrec.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
+        mrec.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP);
+        mrec.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
+        mrec.setPreviewDisplay(surfaceHolder.getSurface());
+        mrec.setOutputFile(path+filename);
+        mrec.prepare();
+        mrec.start();
+
+        
+    }
+
+    protected void stopRecording() {
+
+        if(mrec!=null)
+        {
+            mrec.stop();
+            mrec.release();
+            mCamera.release();
+            mCamera.lock();
+        }
+    }
+
+    private void releaseMediaRecorder() {
+
+        if (mrec != null) {
+            mrec.reset(); // clear recorder configuration
+            mrec.release(); // release the recorder object
+        }
+    }
+
+    private void releaseCamera() {
+        if (mCamera != null) {
+            mCamera.release(); // release the camera for other applications
+            mCamera = null;
+        }
+
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {      
+
+    }
+
+    @Override
+    public void surfaceCreated(SurfaceHolder holder) {       
+
+        if (mCamera != null) {
+            Parameters params = mCamera.getParameters();
+            mCamera.setParameters(params);
+            Log.i("Surface", "Created");
+        }
+        else {
+            Toast.makeText(getApplicationContext(), "Camera not available!",
+                    Toast.LENGTH_LONG).show();
+
+            finish();
+        }
+
+    }
+
+    @Override
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        mCamera.stopPreview();
+        mCamera.release();       
+        //http://stackoverflow.com/questions/13235306/method-called-after-release-exception-camera-preview
+        //mCamera=null;
+    }
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+
+         if(requestCode == RESULT_OK && requestCode == 10){
+               uriSound=data.getData();
+         }
+     }
+}