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1 files changed, 259 insertions, 0 deletions

diff --git a/src/com/example/rotorm/MainActivity.java b/src/com/example/rotorm/MainActivity.java
new file mode 100644
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+++ b/src/com/example/rotorm/MainActivity.java
@@ -0,0 +1,259 @@
+package com.example.rotorm;
+
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Date;
+
+import com.example.rotorm.R;
+
+import android.hardware.Camera;
+import android.hardware.Camera.Parameters;
+import android.media.MediaPlayer;
+import android.media.MediaRecorder;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.app.Activity;
+import android.content.Intent;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.SurfaceHolder.Callback;
+import android.widget.Toast;
+
+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;
+    MediaPlayer mp;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {	
+		super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        
+        uriSound=Uri.parse("");
+        
+        Intent intent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI);
+        startActivityForResult(intent, 10);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		menu.add(0, 0, 0, "Start");
+        //menu.add(0, 0, 0, "Pick audio track");
+        return super.onCreateOptionsMenu(menu);
+		// Inflate the menu; this adds items to the action bar if it is present.
+		//getMenuInflater().inflate(R.menu.main, menu);
+		//return true;
+	}
+	
+	 @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");
+	            mp.stop();
+	        }
+	        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 startPreview() throws IOException {
+		 
+		 //http://stackoverflow.com/questions/12098298/android-camera-app-passed-null-surface
+	    	if(mCamera==null) mCamera = Camera.open();
+	    
+		    setContentView(R.layout.main);
+		    
+		    surfaceView = (SurfaceView) findViewById(R.id.surface_camera);
+		    
+		    surfaceHolder = surfaceView.getHolder();
+		    surfaceHolder.addCallback(this);
+		    surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
+	    	
+	    	//mCamera.lock();
+	        //mCamera.unlock();
+	        
+	        mCamera.setPreviewDisplay(surfaceHolder);
+	        mCamera.startPreview();
+	    
+	    }
+
+	    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";
+	         
+	         Log.i(null, "Saving video file: " + filename);
+	         
+	         //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();
+
+	        Log.i(null, "Audio file: " + uriSound);
+	        
+	        //try {
+	            //MediaPlayer mp = new MediaPlayer();
+	            //MediaPlayer mp = MediaPlayer.create(this, R.raw.stick);
+	        mp = MediaPlayer.create(this, uriSound);
+	            //mp.setDataSource(this, uriSound);         
+	            mp.start();
+	          ///} catch (IllegalArgumentException e) {
+	          // TODO Auto-generated catch block
+	          //   e.printStackTrace();
+	          //} catch (SecurityException e) {
+	          // TODO Auto-generated catch block
+	          //   e.printStackTrace();
+	          //} catch (IllegalStateException e) {
+	          // TODO Auto-generated catch block
+	          //   e.printStackTrace();
+	          //} catch (IOException e) {
+	          // TODO Auto-generated catch block
+	          //   e.printStackTrace();
+	          //}
+	    }
+
+	    protected void stopRecording() {
+
+	        if(mrec!=null)
+	        {
+	            mrec.stop();
+	            mrec.release();
+	            mCamera.release();
+	            mCamera.lock();
+	        }
+	        
+	        mp.stop();
+	    }
+
+	    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();
+               
+               Log.i("Sound file",uriSound.toString());
+               
+               //String temp="audioFileName";
+               //this.getIntent().getStringExtra(temp);
+               //uriSound=Uri.parse(temp);
+               //uriSound=Uri.parse("/Music/stick.mp3");
+               try {
+            	   startPreview();
+				} catch (IOException e) {
+					Log.e("Preview","Error");
+					e.printStackTrace();
+				}
+               
+         //}
+     }
+
+}