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package de.pixart.messenger.ui;
import android.app.Activity;
import android.content.Intent;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.SystemClock;
import android.util.Log;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.persistance.FileBackend;
public class RecordingActivity extends Activity implements View.OnClickListener {
private TextView mTimerTextView;
private Button mCancelButton;
private Button mStopButton;
private MediaRecorder mRecorder;
private long mStartTime = 0;
private int[] amplitudes = new int[100];
private int i = 0;
private Handler mHandler = new Handler();
private Runnable mTickExecutor = new Runnable() {
@Override
public void run() {
tick();
mHandler.postDelayed(mTickExecutor, 100);
}
};
private File mOutputFile;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recording);
this.mTimerTextView = (TextView) this.findViewById(R.id.timer);
this.mCancelButton = (Button) this.findViewById(R.id.cancel_button);
this.mCancelButton.setOnClickListener(this);
this.mStopButton = (Button) this.findViewById(R.id.share_button);
this.mStopButton.setOnClickListener(this);
this.setFinishOnTouchOutside(false);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
@Override
protected void onStart() {
super.onStart();
Log.d(Config.LOGTAG, "output: " + getOutputFile());
if (!startRecording()) {
mStopButton.setEnabled(false);
mStopButton.setTextColor(0x8a000000);
Toast.makeText(this, R.string.unable_to_start_recording, Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onStop() {
super.onStop();
if (mRecorder != null) {
stopRecording(false);
}
}
private boolean startRecording() {
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
mRecorder.setAudioEncodingBitRate(48000);
} else {
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
mRecorder.setAudioEncodingBitRate(48000);
}
mRecorder.setAudioSamplingRate(48000);
mOutputFile = getOutputFile();
mOutputFile.getParentFile().mkdirs();
mRecorder.setOutputFile(mOutputFile.getAbsolutePath());
try {
mRecorder.prepare();
mRecorder.start();
mStartTime = SystemClock.elapsedRealtime();
mHandler.postDelayed(mTickExecutor, 100);
Log.d(Config.LOGTAG, "started recording to " + mOutputFile.getAbsolutePath());
return true;
} catch (Exception e) {
Log.e(Config.LOGTAG, "prepare() failed " + e.getMessage());
return false;
}
}
protected void stopRecording(boolean saveFile) {
mRecorder.stop();
mRecorder.release();
mRecorder = null;
mStartTime = 0;
mHandler.removeCallbacks(mTickExecutor);
if (!saveFile && mOutputFile != null) {
mOutputFile.delete();
}
}
private File getOutputFile() {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS", Locale.US);
return new File(FileBackend.getConversationsAudioDirectory() + "/"
+ dateFormat.format(new Date())
+ ".m4a");
}
private void tick() {
long time = (mStartTime < 0) ? 0 : (SystemClock.elapsedRealtime() - mStartTime);
int minutes = (int) (time / 60000);
int seconds = (int) (time / 1000) % 60;
int milliseconds = (int) (time / 100) % 10;
mTimerTextView.setText(minutes + ":" + (seconds < 10 ? "0" + seconds : seconds) + "." + milliseconds);
if (mRecorder != null) {
amplitudes[i] = mRecorder.getMaxAmplitude();
//Log.d(Config.LOGTAG,"amplitude: "+(amplitudes[i] * 100 / 32767));
if (i >= amplitudes.length - 1) {
i = 0;
} else {
++i;
}
}
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.cancel_button:
stopRecording(false);
setResult(RESULT_CANCELED);
finish();
break;
case R.id.share_button:
stopRecording(true);
Uri uri = Uri.parse("file://" + mOutputFile.getAbsolutePath());
Intent scanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
scanIntent.setData(uri);
sendBroadcast(scanIntent);
setResult(Activity.RESULT_OK, new Intent().setData(uri));
finish();
break;
}
}
}
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