Java tutorial
/* * Copyright (C) 2014 Saravan Pantham * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.jelly.music.player.NowPlayingQueueActivity; import java.io.File; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.Color; import android.graphics.Paint; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.support.v4.content.LocalBroadcastManager; import android.util.DisplayMetrics; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.RelativeLayout; import android.widget.TextView; import com.jelly.music.player.R; import com.jelly.music.player.DBHelpers.DBAccessHelper; import com.jelly.music.player.Helpers.TypefaceHelper; import com.jelly.music.player.Helpers.UIElementsHelper; import com.jelly.music.player.Services.AudioPlaybackService; import com.jelly.music.player.Utils.Common; import com.mobeta.android.dslv.DragSortListView; import com.mobeta.android.dslv.SimpleFloatViewManager; public class NowPlayingQueueFragment extends Fragment { private Context mContext; public NowPlayingQueueFragment nowPlayingQueueFragment = null; private SharedPreferences sharedPreferences; public DragSortListView nowPlayingQueueListView; public NowPlayingQueueListViewAdapter nowPlayingQueueListViewAdapter; public int contextMenuItemIndex; public TextView noMusicPlaying; public ImageView nowPlayingAlbumArt; public TextView nowPlayingSongTitle; public TextView nowPlayingSongArtist; public RelativeLayout nowPlayingSongContainer; public ProgressBar progressBar; public ImageButton playPauseButton; public ImageButton previousButton; public ImageButton nextButton; public int index; public View childView; public float progressFraction; public int currentProgress; public int totalDuration; public int currentProgressCountDown; public Handler mHandler = new Handler(); private BroadcastReceiver receiver; private Common mApp; public DisplayMetrics displayMetrics; public int screenWidth; public int screenHeight; public static Cursor mCursor; private boolean CALLED_FROM_REMOVE = false; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { //Inflate the correct layout based on the selected theme. mContext = getActivity().getApplicationContext(); mApp = (Common) mContext; nowPlayingQueueFragment = this; sharedPreferences = mContext.getSharedPreferences("com.jelly.music.player", Context.MODE_PRIVATE); mCursor = mApp.getService().getCursor(); View rootView = (ViewGroup) inflater.inflate(R.layout.now_playing_queue_layout, container, false); receiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateSongInfo(); } }; //Notify the application that this fragment is now visible. sharedPreferences.edit().putBoolean("NOW_PLAYING_QUEUE_VISIBLE", true).commit(); //Get the screen's parameters. displayMetrics = new DisplayMetrics(); getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); screenWidth = displayMetrics.widthPixels; screenHeight = displayMetrics.heightPixels; noMusicPlaying = (TextView) rootView.findViewById(R.id.now_playing_queue_no_music_playing); nowPlayingAlbumArt = (ImageView) rootView.findViewById(R.id.now_playing_queue_album_art); nowPlayingSongTitle = (TextView) rootView.findViewById(R.id.now_playing_queue_song_title); nowPlayingSongArtist = (TextView) rootView.findViewById(R.id.now_playing_queue_song_artist); nowPlayingSongContainer = (RelativeLayout) rootView .findViewById(R.id.now_playing_queue_current_song_container); noMusicPlaying.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); nowPlayingSongTitle.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); nowPlayingSongArtist.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); nowPlayingQueueListView = (DragSortListView) rootView.findViewById(R.id.now_playing_queue_list_view); progressBar = (ProgressBar) rootView.findViewById(R.id.now_playing_queue_progressbar); playPauseButton = (ImageButton) rootView.findViewById(R.id.now_playing_queue_play); nextButton = (ImageButton) rootView.findViewById(R.id.now_playing_queue_next); previousButton = (ImageButton) rootView.findViewById(R.id.now_playing_queue_previous); //Apply the card layout's background based on the color theme. if (sharedPreferences.getString(Common.CURRENT_THEME, "LIGHT_CARDS_THEME").equals("LIGHT_CARDS_THEME")) { rootView.setBackgroundColor(0xFFEEEEEE); nowPlayingQueueListView.setDivider(getResources().getDrawable(R.drawable.transparent_drawable)); nowPlayingQueueListView.setDividerHeight(3); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); layoutParams.setMargins(7, 3, 7, 3); nowPlayingQueueListView.setLayoutParams(layoutParams); } else if (sharedPreferences.getString(Common.CURRENT_THEME, "LIGHT_CARDS_THEME") .equals("DARK_CARDS_THEME")) { rootView.setBackgroundColor(0xFF000000); nowPlayingQueueListView.setDivider(getResources().getDrawable(R.drawable.transparent_drawable)); nowPlayingQueueListView.setDividerHeight(3); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); layoutParams.setMargins(7, 3, 7, 3); nowPlayingQueueListView.setLayoutParams(layoutParams); } //Set the Now Playing container layout's background. nowPlayingSongContainer.setBackgroundColor(UIElementsHelper.getNowPlayingQueueBackground(mContext)); //Loop through the service's cursor and retrieve the current queue's information. if (sharedPreferences.getBoolean("SERVICE_RUNNING", false) == false || mApp.getService().getCurrentMediaPlayer() == null) { //No audio is currently playing. noMusicPlaying.setVisibility(View.VISIBLE); nowPlayingAlbumArt.setImageBitmap(mApp.decodeSampledBitmapFromResource(R.drawable.default_album_art, screenWidth / 3, screenWidth / 3)); nowPlayingQueueListView.setVisibility(View.GONE); nowPlayingSongTitle.setVisibility(View.GONE); nowPlayingSongArtist.setVisibility(View.GONE); progressBar.setVisibility(View.GONE); } else { //Set the current play/pause conditions. try { //Hide the progressBar and display the controls. progressBar.setVisibility(View.GONE); playPauseButton.setVisibility(View.VISIBLE); nextButton.setVisibility(View.VISIBLE); previousButton.setVisibility(View.VISIBLE); if (mApp.getService().getCurrentMediaPlayer().isPlaying()) { playPauseButton.setImageResource(R.drawable.pause_holo_light); } else { playPauseButton.setImageResource(R.drawable.play_holo_light); } } catch (Exception e) { /* The mediaPlayer hasn't been initialized yet, so let's just keep the controls * hidden for now. Once the mediaPlayer is initialized and it starts playing, * updateSongInfo() will be called, and we can show the controls/hide the progressbar * there. For now though, we'll display the progressBar. */ progressBar.setVisibility(View.VISIBLE); playPauseButton.setVisibility(View.GONE); nextButton.setVisibility(View.GONE); previousButton.setVisibility(View.GONE); } //Retrieve and set the current title/artist/artwork. mCursor.moveToPosition( mApp.getService().getPlaybackIndecesList().get(mApp.getService().getCurrentSongIndex())); String currentTitle = mCursor.getString(mCursor.getColumnIndex(DBAccessHelper.SONG_TITLE)); String currentArtist = mCursor.getString(mCursor.getColumnIndex(DBAccessHelper.SONG_ARTIST)); nowPlayingSongTitle.setText(currentTitle); nowPlayingSongArtist.setText(currentArtist); File file = new File(mContext.getExternalCacheDir() + "/current_album_art.jpg"); Bitmap bm = null; if (file.exists()) { bm = mApp.decodeSampledBitmapFromFile(file, screenWidth, screenHeight); nowPlayingAlbumArt.setScaleX(1.0f); nowPlayingAlbumArt.setScaleY(1.0f); } else { int defaultResource = UIElementsHelper.getIcon(mContext, "default_album_art"); bm = mApp.decodeSampledBitmapFromResource(defaultResource, screenWidth, screenHeight); nowPlayingAlbumArt.setScaleX(0.5f); nowPlayingAlbumArt.setScaleY(0.5f); } nowPlayingAlbumArt.setImageBitmap(bm); noMusicPlaying.setPaintFlags( noMusicPlaying.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); nowPlayingSongTitle.setPaintFlags(nowPlayingSongTitle.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.FAKE_BOLD_TEXT_FLAG | Paint.SUBPIXEL_TEXT_FLAG); nowPlayingSongArtist.setPaintFlags( nowPlayingSongArtist.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); /* Set the adapter. We'll pass in playbackIndecesList as the adapter's data backend. * The array can then be manipulated (reordered, items removed, etc) with no restrictions. * Each integer element in the array will be used as a pointer to a specific cursor row, * so there's no need to fiddle around with the actual cursor itself. */ nowPlayingQueueListViewAdapter = new NowPlayingQueueListViewAdapter(getActivity(), mApp.getService().getPlaybackIndecesList()); nowPlayingQueueListView.setAdapter(nowPlayingQueueListViewAdapter); nowPlayingQueueListView.setFastScrollEnabled(true); nowPlayingQueueListView.setDropListener(onDrop); nowPlayingQueueListView.setRemoveListener(onRemove); SimpleFloatViewManager simpleFloatViewManager = new SimpleFloatViewManager(nowPlayingQueueListView); simpleFloatViewManager.setBackgroundColor(Color.TRANSPARENT); nowPlayingQueueListView.setFloatViewManager(simpleFloatViewManager); //Scroll down to the current song. nowPlayingQueueListView.setSelection(mApp.getService().getCurrentSongIndex()); nowPlayingQueueListView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View view, int index, long arg3) { mApp.getService().skipToTrack(index); } }); playPauseButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { mApp.getService().togglePlaybackState(); } }); nextButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { mApp.getService().skipToNextTrack(); } }); previousButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { mApp.getService().skipToPreviousTrack(); } }); } return rootView; } private DragSortListView.DropListener onDrop = new DragSortListView.DropListener() { @Override public void drop(int from, int to) { if (from != to) { int fromItem = nowPlayingQueueListViewAdapter.getItem(from); int toItem = nowPlayingQueueListViewAdapter.getItem(to); nowPlayingQueueListViewAdapter.remove(fromItem); nowPlayingQueueListViewAdapter.insert(fromItem, to); //If the current song was reordered, change currentSongIndex and update the next song. if (from == mApp.getService().getCurrentSongIndex()) { mApp.getService().setCurrentSongIndex(to); //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); return; } else if (from > mApp.getService().getCurrentSongIndex() && to <= mApp.getService().getCurrentSongIndex()) { //One of the next songs was moved to a position before the current song. Move currentSongIndex forward by 1. mApp.getService().incrementCurrentSongIndex(); mApp.getService().incrementEnqueueReorderScalar(); //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); return; } else if (from < mApp.getService().getCurrentSongIndex() && to > mApp.getService().getCurrentSongIndex()) { //One of the previous songs was moved to a position after the current song. Move currentSongIndex back by 1. mApp.getService().decrementCurrentSongIndex(); mApp.getService().decrementEnqueueReorderScalar(); //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); return; } //If the next song was reordered, reload it with the new index. if (mApp.getService().getPlaybackIndecesList() .size() > (mApp.getService().getCurrentSongIndex() + 1)) { if (fromItem == mApp.getService().getPlaybackIndecesList() .get(mApp.getService().getCurrentSongIndex() + 1) || toItem == mApp.getService().getPlaybackIndecesList() .get(mApp.getService().getCurrentSongIndex() + 1)) { //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); } } else { //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); } } } }; private DragSortListView.RemoveListener onRemove = new DragSortListView.RemoveListener() { @Override public void remove(int which) { CALLED_FROM_REMOVE = true; //Stop the service if we just removed the last (and only) song. if (mApp.getService().getPlaybackIndecesList().size() == 1) { getActivity().stopService(new Intent(getActivity(), AudioPlaybackService.class)); return; } //If the song that was removed is the next song, reload it. if (mApp.getService().getPlaybackIndecesList().size() > (mApp.getService().getCurrentSongIndex() + 1)) { if (nowPlayingQueueListViewAdapter.getItem(which) == mApp.getService().getPlaybackIndecesList() .get(mApp.getService().getCurrentSongIndex() + 1)) { //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); } else if (nowPlayingQueueListViewAdapter.getItem(which) == mApp.getService() .getPlaybackIndecesList().get(mApp.getService().getCurrentSongIndex())) { mApp.getService().incrementCurrentSongIndex(); mApp.getService().prepareMediaPlayer(mApp.getService().getCurrentSongIndex()); mApp.getService().decrementCurrentSongIndex(); } else if (nowPlayingQueueListViewAdapter.getItem(which) < mApp.getService() .getPlaybackIndecesList().get(mApp.getService().getCurrentSongIndex())) { mApp.getService().decrementCurrentSongIndex(); } } else { //Check which mediaPlayer is currently playing, and prepare the other mediaPlayer. mApp.getService().prepareAlternateMediaPlayer(); } //Remove the item from the adapter. nowPlayingQueueListViewAdapter.remove(nowPlayingQueueListViewAdapter.getItem(which)); } }; //Used by the service to update the album art when a song changes. public void updateSongInfo() { if (mCursor != null && (mApp.getService().getPlaybackIndecesList().size() > 0)) { if (CALLED_FROM_REMOVE) { if ((mApp.getService().getCurrentSongIndex() - 1) < mApp.getService().getPlaybackIndecesList() .size() && (mApp.getService().getCurrentSongIndex() - 1) > -1) { mCursor.moveToPosition(mApp.getService().getPlaybackIndecesList() .get(mApp.getService().getCurrentSongIndex() - 1)); } } else { if (mApp.getService().getCurrentSongIndex() < mApp.getService().getPlaybackIndecesList().size()) { mCursor.moveToPosition(mApp.getService().getPlaybackIndecesList() .get(mApp.getService().getCurrentSongIndex())); } } //Retrieve and set the current title/artist/artwork. String currentTitle = mCursor.getString(mCursor.getColumnIndex(DBAccessHelper.SONG_TITLE)); String currentArtist = mCursor.getString(mCursor.getColumnIndex(DBAccessHelper.SONG_ARTIST)); nowPlayingSongTitle.setText(currentTitle); nowPlayingSongArtist.setText(currentArtist); File file = new File(mContext.getExternalCacheDir() + "/current_album_art.jpg"); Bitmap bm = null; if (file.exists()) { bm = mApp.decodeSampledBitmapFromFile(file, screenWidth, screenHeight); nowPlayingAlbumArt.setScaleX(1.0f); nowPlayingAlbumArt.setScaleY(1.0f); } else { int defaultResource = UIElementsHelper.getIcon(mContext, "default_album_art"); bm = mApp.decodeSampledBitmapFromResource(defaultResource, screenWidth, screenHeight); nowPlayingAlbumArt.setScaleX(0.5f); nowPlayingAlbumArt.setScaleY(0.5f); } nowPlayingAlbumArt.setImageBitmap(bm); progressBar.setVisibility(View.GONE); playPauseButton.setVisibility(View.VISIBLE); previousButton.setVisibility(View.VISIBLE); nextButton.setVisibility(View.VISIBLE); //Set the controls. if (mApp.getService().getCurrentMediaPlayer().isPlaying()) { playPauseButton.setImageResource(R.drawable.pause_holo_light); } else { playPauseButton.setImageResource(R.drawable.play_holo_light); } } else { //The service is stopped, so reset the fragment back to its uninitialized state. //nowPlayingAlbumArt.setImageBitmap(NowPlayingQueueActivity.defaultArtworkBitmap); noMusicPlaying.setVisibility(View.VISIBLE); nowPlayingQueueListView.setVisibility(View.GONE); nowPlayingSongTitle.setVisibility(View.GONE); nowPlayingSongArtist.setVisibility(View.GONE); nowPlayingSongTitle.setText(""); nowPlayingSongArtist.setText(""); nowPlayingAlbumArt.setImageBitmap( mApp.decodeSampledBitmapFromResource(R.drawable.default_album_art, screenWidth, screenWidth)); progressBar.setVisibility(View.GONE); playPauseButton.setVisibility(View.GONE); previousButton.setVisibility(View.GONE); nextButton.setVisibility(View.GONE); } //Update the listview. nowPlayingQueueListViewAdapter.notifyDataSetChanged(); CALLED_FROM_REMOVE = false; } //Called every 100ms to update the progress bar/remaining time fields. public Runnable progressBarRunnable = new Runnable() { @Override public void run() { try { currentProgressCountDown = (mApp.getService().getCurrentMediaPlayer().getDuration()) - (mApp.getService().getCurrentMediaPlayer().getCurrentPosition()); currentProgress = mApp.getService().getCurrentMediaPlayer().getCurrentPosition(); totalDuration = mApp.getService().getCurrentMediaPlayer().getDuration(); progressFraction = (float) currentProgress / totalDuration; if (mApp.getService().getCurrentMediaPlayer() != null) { mHandler.postDelayed(progressBarRunnable, 100); } } catch (Exception e) { e.printStackTrace(); } } }; /*@Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (v.getId()==R.id.playlist_flipped_list_view) { menu.setHeaderTitle(R.string.song_actions); String[] menuItems = getResources().getStringArray(R.array.playlist_songs_context_menu_items); for (int i=0; i < menuItems.length; i++) { menu.add(9383, i, i, menuItems[i]); } } } @Override public boolean onContextItemSelected(MenuItem item) { if (item.getGroupId()==9383) { AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); index = info.position; childView = info.targetView; String filePath = songFilePathsList.get(index); //Convert the filePath to an absolute file path. File file = new File(filePath); try { filePath = file.getCanonicalPath().toString(); } catch (IOException e) { Toast.makeText(mContext, R.string.file_could_not_be_opened, Toast.LENGTH_SHORT).show(); return super.onContextItemSelected(item); } switch(item.getItemId()) { case 0: //View Song Information. break; case 1: //Enqueue. DBAccessHelper dbHelper = new DBAccessHelper(mContext); //Escape any rogue apostrophes. if (filePath.contains("'")) { filePath = filePath.replace("'", "''"); } String selection = DBAccessHelper.SONG_FILE_PATH + "=" + "'" + filePath + "'"; Cursor cursor = dbHelper.getReadableDatabase().query(DBAccessHelper.MUSIC_LIBRARY_TABLE, null, selection, null, null, null, null); //Check if the service is currently active. if (sharedPreferences.getBoolean("SERVICE_RUNNING", false)==true && mApp.getService().getCursor()!=null && mApp.getService().getCurrentMediaPlayer()!=null) { //The service is running, so we can go ahead and append the new cursor to the old cursor. AudioPlaybackService.enqueueCursor(cursor); } else { //The service doesn't seem to be running. We'll explicitly stop it, just in case, and then launch NowPlayingActivity.class. Intent serviceIntent = new Intent(mContext, AudioPlaybackService.class); mContext.stopService(serviceIntent); Intent intent = new Intent(mContext, NowPlayingActivity.class); //Get the parameters for the first song. if (cursor.getCount() > 0) { cursor.moveToFirst(); intent.putExtra("SELECTED_SONG_DURATION", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_DURATION))); intent.putExtra("SELECTED_SONG_TITLE", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_DURATION))); intent.putExtra("SELECTED_SONG_ARTIST", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_ARTIST))); intent.putExtra("SELECTED_SONG_ALBUM", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_ALBUM))); intent.putExtra("SONG_SELECTED_INDEX", 0); intent.putExtra("SELECTED_SONG_DATA_URI", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_FILE_PATH))); intent.putExtra("SELECTED_SONG_GENRE", cursor.getString(cursor.getColumnIndex(DBAccessHelper.SONG_GENRE))); intent.putExtra("NEW_PLAYLIST", true); intent.putExtra("NUMBER_SONGS", cursor.getCount()); intent.putExtra("CALLED_FROM_FOOTER", false); intent.putExtra("PLAY_ALL", ""); intent.putExtra("CALLING_FRAGMENT", "ARTISTS_FLIPPED_FRAGMENT"); } startActivity(intent); getActivity().overridePendingTransition(R.anim.slide_in_from_right, R.anim.slide_out_to_left); cursor.close(); dbHelper.close(); } //Unescape any rogue apostrophes. if (filePath.contains("''")) { filePath = filePath.replace("''", "'"); } int numberOfSongs = cursor.getCount(); String toastMessage = ""; if (numberOfSongs==1) { toastMessage = numberOfSongs + " " + getResources().getString(R.string.song_enqueued_toast); } else { toastMessage = numberOfSongs + " " + getResources().getString(R.string.songs_enqueued_toast); } Toast.makeText(mContext, toastMessage, Toast.LENGTH_SHORT).show(); break; case 2: //Remove from playlist. break; } } return super.onContextItemSelected(item); }*/ @Override public void onPause() { super.onPause(); if (mHandler != null) { mHandler.removeCallbacks(progressBarRunnable); mHandler = null; } if (this.isRemoving()) { if (mCursor != null) { mCursor.close(); mCursor = null; } } nowPlayingQueueFragment = null; sharedPreferences.edit().putBoolean("NOW_PLAYING_QUEUE_VISIBLE", false).commit(); } @Override public void onDestroy() { super.onDestroy(); if (mHandler != null) { mHandler.removeCallbacks(progressBarRunnable); mHandler = null; } nowPlayingQueueFragment = null; sharedPreferences.edit().putBoolean("NOW_PLAYING_QUEUE_VISIBLE", false).commit(); } @Override public void onStart() { super.onStart(); LocalBroadcastManager.getInstance(mContext).registerReceiver((receiver), new IntentFilter(Common.UPDATE_UI_BROADCAST)); } @Override public void onStop() { LocalBroadcastManager.getInstance(mContext).unregisterReceiver(receiver); super.onStop(); } }