Voice Recording in Android

Put below code into your main Activity.

private static final String AUDIO_RECORDER_FILE_EXT_3GP = ".3gp";
private static final String AUDIO_RECORDER_FILE_EXT_MP4 = ".mp4";
private static final String AUDIO_RECORDER_FOLDER = "AudioRecorder";
private MediaRecorder recorder = null;
private int currentFormat = 0;
private int output_formats[] = { MediaRecorder.OutputFormat.MPEG_4, MediaRecorder.OutputFormat.THREE_GPP };
private String file_exts[] = { AUDIO_RECORDER_FILE_EXT_MP4, AUDIO_RECORDER_FILE_EXT_3GP };

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setButtonHandlers();
enableButtons(false);
setFormatButtonCaption();
}

private void setButtonHandlers() {
    ((Button) findViewById(R.id.btnStart)).setOnClickListener(btnClick);
((Button) findViewById(R.id.btnStop)).setOnClickListener(btnClick);
((Button) findViewById(R.id.btnFormat)).setOnClickListener(btnClick);
}

private void enableButton(int id, boolean isEnable) {
((Button) findViewById(id)).setEnabled(isEnable);
}

private void enableButtons(boolean isRecording) {
enableButton(R.id.btnStart, !isRecording);
enableButton(R.id.btnFormat, !isRecording);
enableButton(R.id.btnStop, isRecording);
}

private void setFormatButtonCaption() {
((Button) findViewById(R.id.btnFormat)).setText(getString(R.string.audio_format) + " (" + file_exts[currentFormat] + ")");
}

private String getFilename() {
String filepath = Environment.getExternalStorageDirectory().getPath();
File file = new File(filepath, AUDIO_RECORDER_FOLDER);
if (!file.exists()) {
file.mkdirs();
}
return (file.getAbsolutePath() + "/" + System.currentTimeMillis() + file_exts[currentFormat]);
}

private void startRecording() {
recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(output_formats[currentFormat]);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(getFilename());
recorder.setOnErrorListener(errorListener);
recorder.setOnInfoListener(infoListener);
try {
recorder.prepare();
recorder.start();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}

private void stopRecording() {
  if (null != recorder) {
recorder.stop();
recorder.reset();
recorder.release();
recorder = null;
}
}

private void displayFormatDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
String formats[] = { "MPEG 4", "3GPP" };
builder.setTitle(getString(R.string.choose_format_title)).setSingleChoiceItems(formats, currentFormat, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
currentFormat = which;
setFormatButtonCaption();
dialog.dismiss();
}
}).show();
}

private MediaRecorder.OnErrorListener errorListener = new MediaRecorder.OnErrorListener() {
  @Override
public void onError(MediaRecorder mr, int what, int extra) {
Toast.makeText(AudioRecordingActivity.this, "Error: " + what + ", " + extra, Toast.LENGTH_SHORT).show();
    }
};

private MediaRecorder.OnInfoListener infoListener = new MediaRecorder.OnInfoListener() {
@Override
public void onInfo(MediaRecorder mr, int what, int extra) {
Toast.makeText(AudioRecordingActivity.this, "Warning: " + what + ", " + extra, Toast.LENGTH_SHORT).show();
}
};

private View.OnClickListener btnClick = new View.OnClickListener() {
@Override
public void onClick(View v) {
        switch (v.getId()) {
          case R.id.btnStart: {
             Toast.makeText(AudioRecordingActivity.this, "Start Recording", Toast.LENGTH_SHORT).show();
                enableButtons(true);
             startRecording();
             break;
          }
          case R.id.btnStop: {
             Toast.makeText(AudioRecordingActivity.this, "Stop Recording", Toast.LENGTH_SHORT).show();
             enableButtons(false);
             stopRecording();
             break;
          }
          case R.id.btnFormat: {
             displayFormatDialog();
             break;
          }
       }
    }
};


Main.xml File:-


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:padding="20dip">
 
    <ImageView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher"
        android:scaleType="fitCenter"/>
 
        <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/app_info"
        android:layout_weight="1.0"
        android:textSize="20dip"/>
     
    <LinearLayout
        android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">
     
        <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/btnStart"
                android:text="@string/start_recording"
                android:layout_weight="1.0"/>
             
                <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/btnStop"
                android:text="@string/stop_recording"
                android:layout_weight="1.0"/>
             
        <Button
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:id="@+id/btnFormat"
                android:text="Format (mp4)"
                android:layout_weight="1.0"/>
     
    </LinearLayout>
</LinearLayout>


Add Below Permissions to manifest.xml file.

<uses-permission android:name="android.permission.RECORD_AUDIO"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

Download Full Source Code from below link.

Voice Recording in Android

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Play Online Video in Android Device

Put Below Code into your Application.

MainActivity.java File:-

public class MainActivity extends Activity {
public static String url = "rtsp://v3.cache8.c.youtube.com/CiILENy73wIaGQmXovF6e-Rf-BMYDSANFEgGUgZ2aWRlb3MM/0/0/0/video.3gp";
private VideoView videoView = null;
private ProgressBar prog = null;
private Context ctx = null;
private MediaController mediaController = null;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().setFormat(PixelFormat.TRANSLUCENT);
setContentView(R.layout.main);
ctx = this;
prog = (ProgressBar) findViewById(R.id.prog);
videoView = (VideoView) findViewById(R.id.video);
Uri video = Uri.parse(url);
mediaController = new MediaController(this);
  mediaController.setAnchorView(videoView);
videoView.setMediaController(mediaController);
videoView.setVideoURI(video);

videoView.setOnErrorListener(new OnErrorListener() {

@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
// TODO Auto-generated method stub
Toast.makeText(ctx, "Error occured", 500).show();
return false;
}
});

videoView.setOnPreparedListener(new OnPreparedListener() {

public void onPrepared(MediaPlayer arg0) {
prog.setVisibility(View.GONE);
videoView.start();
}
});
}

@Override
protected void onDestroy() {
try {
videoView.stopPlayback();
} catch (Exception e) {
//
}
super.onDestroy();
}
}


Main.xml File:-

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <FrameLayout
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >

        <VideoView
            android:id="@+id/video"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_gravity="center" />

        <ProgressBar
            android:id="@+id/prog"
            android:layout_width="70dp"
            android:layout_height="70dp"
            android:layout_gravity="center" />
    </FrameLayout>

</LinearLayout>


And Give Below Permission into your Manifest.xml file.

<uses-permission android:name="android.permission.INTERNET"/>

Enjoy:--)

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