I am trying to develop an app which it download my content from the my server and play locally, so soon as i click on to the icon the initial screen appears(that is initial activity is executing fine where as once it goes to the second activity it is showing error as
Unfortunately app has stopped
This is my log cat
01-13 00:25:41.070: E/AndroidRuntime(955): FATAL EXCEPTION: main
01-13 00:25:41.070: E/AndroidRuntime(955): Process: com.tmp.timbremediaplayer, PID: 955
01-13 00:25:41.070: E/AndroidRuntime(955): java.lang.RuntimeException: Unable to resume activity {com.tmp.timbremediaplayer/com.tmp.timbremediaplayer.MusicPlayerActivity}: android.util.SuperNotCalledException: Activity {com.tmp.timbremediaplayer/com.tmp.timbremediaplayer.MusicPlayerActivity} did not call through to super.onResume()
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2788)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2817)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2250)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.access$800(ActivityThread.java:135)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1196)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.os.Handler.dispatchMessage(Handler.java:102)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.os.Looper.loop(Looper.java:136)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.main(ActivityThread.java:5017)
01-13 00:25:41.070: E/AndroidRuntime(955): at java.lang.reflect.Method.invokeNative(Native Method)
01-13 00:25:41.070: E/AndroidRuntime(955): at java.lang.reflect.Method.invoke(Method.java:515)
01-13 00:25:41.070: E/AndroidRuntime(955): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
01-13 00:25:41.070: E/AndroidRuntime(955): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
01-13 00:25:41.070: E/AndroidRuntime(955): at dalvik.system.NativeStart.main(Native Method)
01-13 00:25:41.070: E/AndroidRuntime(955): Caused by: android.util.SuperNotCalledException: Activity {com.tmp.timbremediaplayer/com.tmp.timbremediaplayer.MusicPlayerActivity} did not call through to super.onResume()
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.Activity.performResume(Activity.java:5312)
01-13 00:25:41.070: E/AndroidRuntime(955): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2778)
01-13 00:25:41.070: E/AndroidRuntime(955): ... 12 more
This is the initial activity
public class SyncActivity extends Activity {
private Button btnProgressBar;
private ProgressDialog prgDialog;
// Progress Dialog type (0 - for Horizontal progress bar)
public static final int progress_bar_type = 0;
// Music resource URL
private static String file_url = "https://docs.google.com/uc?export=download&id=0B_TtB7EjzcYCUXVuRTFmRzNkczg";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Show Download Music Button
btnProgressBar = (Button) findViewById(R.id.btnProgressBar);
// Download Music Button click listener
btnProgressBar.setOnClickListener(new View.OnClickListener() {
// When Download Music Button is clicked
public void onClick(View v)
{
// Disable the button to avoid playing of song multiple times
btnProgressBar.setEnabled(false);
// Downloaded Music File path in SD Card
File sdcard = Environment.getExternalStorageDirectory();
File dir = new File(sdcard.getAbsolutePath()+"/timbre media");
dir.mkdirs();
File file = new File(Environment.getExternalStorageDirectory().getPath()+"/timbre media/song.mp3");
// Check if the Music file already exists
if (file.exists())
{
Toast.makeText(getApplicationContext(), "File already exist under SD card, playing Music", Toast.LENGTH_SHORT).show();
/* Play Music
* Include the player activity
* and playing starts from here if the music file
* already exist
*/
Intent i = new Intent(getApplicationContext(), MusicPlayerActivity.class);
startActivityForResult(i, 100);
// If the Music File doesn't exist in SD card (Not yet downloaded)
}
else
{
Toast.makeText(getApplicationContext(), "File doesn't exist under SD Card, downloading Mp3", Toast.LENGTH_SHORT).show();
// Trigger Async Task (onPreExecute method)
new DownloadMusic().execute(file_url);
}
}
});
}
// Show Dialog Box with Progress bar
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case progress_bar_type:
prgDialog = new ProgressDialog(this);
prgDialog.setMessage("Downloading Mp3 file. Please wait...");
prgDialog.setIndeterminate(false);
prgDialog.setMax(100);
prgDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
prgDialog.setCancelable(false);
prgDialog.show();
return prgDialog;
default:
return null;
}
}
// Async Task Class
class DownloadMusic extends AsyncTask<String, String, String>
{
// Show Progress bar before downloading Music
@SuppressWarnings("deprecation")
@Override
protected void onPreExecute() {
super.onPreExecute();
// Shows Progress Bar Dialog and then call doInBackground method
showDialog(progress_bar_type);
}
// Download Music File from Internet
@Override
protected String doInBackground(String... f_url) {
int count;
try {
URL url = new URL(f_url[0]);
URLConnection conection = url.openConnection();
conection.connect();
// Get Music file length
int lenghtOfFile = conection.getContentLength();
// input stream to read file - with 8k buffer
InputStream input = new BufferedInputStream(url.openStream(),10*1024);
// Output stream to write file in SD card
OutputStream output = new FileOutputStream(Environment.getExternalStorageDirectory().getPath()+"/timbre media/song.mp3");
byte data[] = new byte[1024];
long total = 0;
while ((count = input.read(data)) != -1) {
total += count;
// Publish the progress which triggers onProgressUpdate method
publishProgress("" + (int) ((total * 100) / lenghtOfFile));
// Write data to file
output.write(data, 0, count);
}
// Flush output
output.flush();
// Close streams
output.close();
input.close();
} catch (Exception e) {
Log.e("Error: ", e.getMessage());
}
return null;
}
// While Downloading Music File
protected void onProgressUpdate(String... progress) {
// Set progress percentage
prgDialog.setProgress(Integer.parseInt(progress[0]));
}
// Once Music File is downloaded
@SuppressWarnings("deprecation")
@Override
protected void onPostExecute(String file_url) {
// Dismiss the dialog after the Music file was downloaded
dismissDialog(progress_bar_type);
Toast.makeText(getApplicationContext(), "Download complete, playing Music", Toast.LENGTH_LONG).show();
/*
* Play the music
*/
Intent i = new Intent(getApplicationContext(), MusicPlayerActivity.class);
startActivityForResult(i, 100);
}
}
}
This is the second activity
public class MusicPlayerActivity extends Activity implements OnCompletionListener, SeekBar.OnSeekBarChangeListener {
private ImageButton btnPlay;
private ImageButton btnForward;
private ImageButton btnBackward;
private ImageButton btnNext;
private ImageButton btnPrevious;
private ImageButton btnPlaylist;
private ImageButton btnRepeat;
private ImageButton btnShuffle;
private ImageButton btnClose;
private SeekBar songProgressBar;
private TextView songTitleLabel;
private TextView songCurrentDurationLabel;
private TextView songTotalDurationLabel;
// Media Player
public MediaPlayer mp;
// Handler to update UI timer, progress bar etc,.
private Handler mHandler = new Handler();;
private SongsManager songManager;
private Utilities utils;
public int length=0;
private int seekForwardTime = 5000; // 5000 milliseconds
private int seekBackwardTime = 5000; // 5000 milliseconds
private int currentSongIndex = 0;
private boolean isShuffle = false;
private boolean isRepeat = false;
private ArrayList<HashMap<String, String>> songsList = new ArrayList<HashMap<String, String>>();
String TAG = "phoneCallListener";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.player);
// All player buttons
btnPlay = (ImageButton) findViewById(R.id.btnPlay);
btnForward = (ImageButton) findViewById(R.id.btnForward);
btnBackward = (ImageButton) findViewById(R.id.btnBackward);
btnNext = (ImageButton) findViewById(R.id.btnNext);
btnPrevious = (ImageButton) findViewById(R.id.btnPrevious);
btnPlaylist = (ImageButton) findViewById(R.id.btnPlaylist);
btnRepeat = (ImageButton) findViewById(R.id.btnRepeat);
btnShuffle = (ImageButton) findViewById(R.id.btnShuffle);
btnClose = (ImageButton) findViewById(R.id.btnClose);
songProgressBar = (SeekBar) findViewById(R.id.songProgressBar);
songTitleLabel = (TextView) findViewById(R.id.songTitle);
songCurrentDurationLabel = (TextView) findViewById(R.id.songCurrentDurationLabel);
songTotalDurationLabel = (TextView) findViewById(R.id.songTotalDurationLabel);
// Mediaplayer
mp = new MediaPlayer();
songManager = new SongsManager();
utils = new Utilities();
// Listeners
songProgressBar.setOnSeekBarChangeListener(this); // Important
mp.setOnCompletionListener(this); // Important
// Getting all songs list
songsList = songManager.getPlayList();
// By default play first song
playSong(0);
/**
* Play button click event
* plays a song and changes button to pause image
* pauses a song and changes button to play image
* */
btnPlay.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// check for already playing
if(mp.isPlaying()){
if(mp!=null){
mp.pause();
length = mp.getCurrentPosition();
// Changing button image to play button
btnPlay.setImageResource(R.drawable.btn_play);
}
}else if(mp!=null)
{
// Resume song
mp.start();
// Changing button image to pause button
btnPlay.setImageResource(R.drawable.btn_pause);
}
else
{
onResume();
}
}
});
/**
* Forward button click event
* Forwards song specified seconds
* */
btnForward.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// get current song position
int currentPosition = mp.getCurrentPosition();
// check if seekForward time is lesser than song duration
if(currentPosition + seekForwardTime <= mp.getDuration()){
// forward song
mp.seekTo(currentPosition + seekForwardTime);
}else{
// forward to end position
mp.seekTo(mp.getDuration());
}
}
});
/*
* Close image button
*/
btnClose.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
openAlert(v);
}
});
/*private void openAlert(View view) {
}
*/
/**
* Backward button click event
* Backward song to specified seconds
* */
btnBackward.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// get current song position
int currentPosition = mp.getCurrentPosition();
// check if seekBackward time is greater than 0 sec
if(currentPosition - seekBackwardTime >= 0){
// forward song
mp.seekTo(currentPosition - seekBackwardTime);
}else{
// backward to starting position
mp.seekTo(0);
}
}
});
/**
* Next button click event
* Plays next song by taking currentSongIndex + 1
* */
btnNext.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// check if next song is there or not
if(currentSongIndex < (songsList.size() - 1)){
playSong(currentSongIndex + 1);
currentSongIndex = currentSongIndex + 1;
}else{
// play first song
playSong(0);
currentSongIndex = 0;
}
}
});
/**
* Back button click event
* Plays previous song by currentSongIndex - 1
* */
btnPrevious.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
if(currentSongIndex > 0){
playSong(currentSongIndex - 1);
currentSongIndex = currentSongIndex - 1;
}else{
// play last song
playSong(songsList.size() - 1);
currentSongIndex = songsList.size() - 1;
}
}
});
/**
* Button Click event for Repeat button
* Enables repeat flag to true
* */
btnRepeat.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
if(isRepeat){
isRepeat = false;
Toast.makeText(getApplicationContext(), "Repeat is OFF", Toast.LENGTH_SHORT).show();
btnRepeat.setImageResource(R.drawable.btn_repeat);
}else{
// make repeat to true
isRepeat = true;
Toast.makeText(getApplicationContext(), "Repeat is ON", Toast.LENGTH_SHORT).show();
// make shuffle to false
isShuffle = false;
btnRepeat.setImageResource(R.drawable.btn_repeat_focused);
btnShuffle.setImageResource(R.drawable.btn_shuffle);
}
}
});
/**
* Button Click event for Shuffle button
* Enables shuffle flag to true
* */
btnShuffle.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
if(isShuffle){
isShuffle = false;
Toast.makeText(getApplicationContext(), "Shuffle is OFF", Toast.LENGTH_SHORT).show();
btnShuffle.setImageResource(R.drawable.btn_shuffle);
}else{
// make repeat to true
isShuffle= true;
Toast.makeText(getApplicationContext(), "Shuffle is ON", Toast.LENGTH_SHORT).show();
// make shuffle to false
isRepeat = false;
btnShuffle.setImageResource(R.drawable.btn_shuffle_focused);
btnRepeat.setImageResource(R.drawable.btn_repeat);
}
}
});
/**
* Button Click event for Play list click event
* Launches list activity which displays list of songs
* */
btnPlaylist.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
Intent i = new Intent(getApplicationContext(), PlayListActivity.class);
startActivityForResult(i, 100);
}
});
}
public void onCallStateChanged(int state, String incoming_Number)
{
Intent i = new Intent(getApplicationContext(),Call_Exception.class);
startActivityForResult(i, 100);
}
protected void onResume(){
if(mp.isPlaying()== false)
{
if(mp!=null)
{
mp.seekTo(length);
super.onResume();
mp.start();
btnPlay.setImageResource(R.drawable.btn_pause);
}
}
}
protected void openAlert(View v) {
// TODO Auto-generated method stub
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MusicPlayerActivity.this);
alertDialogBuilder.setTitle(this.getTitle()+ " decision");
alertDialogBuilder.setMessage("Are you sure?");
// set negative button: No message
alertDialogBuilder.setNegativeButton("No",new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int id) {
// cancel the alert box and put a Toast to the user
dialog.cancel();
Toast.makeText(getApplicationContext(), "You choose a negative answer",
Toast.LENGTH_SHORT).show();
}
});
// set neutral button: Exit the app message
alertDialogBuilder.setNeutralButton("Exit the app",new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int id) {
// exit the app and go to the HOME
MusicPlayerActivity.this.finish();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
// show alert
alertDialog.show();
}
/**
* Receiving song index from playlist view
* and play the song
* */
@Override
protected void onActivityResult(int requestCode,
int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode == 100){
currentSongIndex = data.getExtras().getInt("songIndex");
// play selected song
playSong(currentSongIndex);
}
}
/**
* Function to play a song
* @param songIndex - index of song
* */
public void playSong(int songIndex){
// Play song
try {
mp.reset();
mp.setDataSource(songsList.get(songIndex).get("songPath"));
mp.prepare();
mp.start();
// Displaying Song title
String songTitle = songsList.get(songIndex).get("songTitle");
songTitleLabel.setText(songTitle);
// Changing Button Image to pause image
btnPlay.setImageResource(R.drawable.btn_pause);
// set Progress bar values
songProgressBar.setProgress(0);
songProgressBar.setMax(100);
// Updating progress bar
updateProgressBar();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Update timer on seekbar
* */
public void updateProgressBar() {
mHandler.postDelayed(mUpdateTimeTask, 100);
}
/**
* Background Runnable thread
* */
private Runnable mUpdateTimeTask = new Runnable() {
public void run() {
long totalDuration = mp.getDuration();
long currentDuration = mp.getCurrentPosition();
// Displaying Total Duration time
songTotalDurationLabel.setText(""+utils.milliSecondsToTimer(totalDuration));
// Displaying time completed playing
songCurrentDurationLabel.setText(""+utils.milliSecondsToTimer(currentDuration));
// Updating progress bar
int progress = (int)(utils.getProgressPercentage(currentDuration, totalDuration));
//Log.d("Progress", ""+progress);
songProgressBar.setProgress(progress);
// Running this thread after 100 milliseconds
mHandler.postDelayed(this, 100);
}
};
/**
*
* */
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) {
}
/**
* When user starts moving the progress handler
* */
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
// remove message Handler from updating progress bar
//mHandler.removeCallbacks(mUpdateTimeTask);
}
/**
* When user stops moving the progress hanlder
* */
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
//mHandler.removeCallbacks(mUpdateTimeTask);
//int totalDuration = mp.getDuration();
// currentPosition = utils.progressToTimer(seekBar.getProgress(), totalDuration);
// forward or backward to certain seconds
//mp.seekTo(currentPosition);
// update timer progress again
//updateProgressBar();
Toast.makeText(getApplicationContext(), "This facility is disabled",Toast.LENGTH_SHORT).show();
}
/**
* On Song Playing completed
* if repeat is ON play same song again
* if shuffle is ON play random song
* */
@Override
public void onCompletion(MediaPlayer arg0) {
// check for repeat is ON or OFF
if(isRepeat){
// repeat is on play same song again
playSong(currentSongIndex);
} else if(isShuffle){
// shuffle is on - play a random song
Random rand = new Random();
currentSongIndex = rand.nextInt((songsList.size() - 1) - 0 + 1) + 0;
playSong(currentSongIndex);
} else{
// no repeat or shuffle ON - play next song
if(currentSongIndex < (songsList.size() - 1)){
playSong(currentSongIndex + 1);
currentSongIndex = currentSongIndex + 1;
}else{
// play first song
playSong(0);
currentSongIndex = 0;
}
}
}
@Override
public void onDestroy(){
super.onDestroy();
mp.release();
}
}
