Java tutorial
/** * The MIT License (MIT) * * Copyright (c) 2014 Daniel Schruhl * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ package com.racoon.ampdroid.views; import java.util.ArrayList; import android.annotation.SuppressLint; import android.content.Context; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ImageButton; import android.widget.ListView; import android.widget.SeekBar; import android.widget.TextView; import com.racoon.ampache.Song; import com.racoon.ampdroid.Controller; import com.racoon.ampdroid.CurrentlyPlayingPlaylistArrayAdapter; import com.racoon.ampdroid.MainActivity; import com.racoon.ampdroid.R; /** * @author Daniel Schruhl * */ public class CurrentPlaylistView extends Fragment { private Controller controller; private SeekBar seekBar; private Handler mHandler; private Runnable mRunnable; private TextView duration; private TextView currentDuration; private TextView songTitle; private TextView songArtist; private ListView playlist; private ImageButton togglePlayButton; private int updateAttempts; /** * */ public CurrentPlaylistView() { // TODO Auto-generated constructor stub } public static Fragment newInstance(Context context) { CurrentPlaylistView f = new CurrentPlaylistView(); return f; } @SuppressLint("InflateParams") @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { controller = Controller.getInstance(); ViewGroup root = (ViewGroup) inflater.inflate(R.layout.current_playlist, null); playlist = (ListView) root.findViewById(R.id.playNow_listview); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { playlist.setFastScrollAlwaysVisible(true); } seekBar = (SeekBar) root.findViewById(R.id.playNow_seekbar); songTitle = (TextView) root.findViewById(R.id.playNow_song); songArtist = (TextView) root.findViewById(R.id.playNow_artist); duration = (TextView) root.findViewById(R.id.playNow_duration); currentDuration = (TextView) root.findViewById(R.id.playNow_duration_current); togglePlayButton = (ImageButton) root.findViewById(R.id.playlist_play_pause); ArrayList<String> list = new ArrayList<String>(); for (Song s : controller.getPlayNow()) { list.add(s.toString()); } Log.d("songs:", list.toString()); CurrentlyPlayingPlaylistArrayAdapter adapter = new CurrentlyPlayingPlaylistArrayAdapter( getActivity().getApplicationContext(), list, controller.getPlayNow()); playlist.setAdapter(adapter); playlist.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, final View view, int position, long id) { try { MainActivity main = (MainActivity) getActivity(); main.play(position); updateSongData(); } 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(); } } }); updateSongData(); setHasOptionsMenu(true); return root; } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.currently_playing_menu, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.edit_discard: controller.getPlayNow().clear(); ArrayList<String> list = new ArrayList<String>(); for (Song s : controller.getPlayNow()) { list.add(s.toString()); } CurrentlyPlayingPlaylistArrayAdapter adapter = new CurrentlyPlayingPlaylistArrayAdapter( getActivity().getApplicationContext(), list, controller.getPlayNow()); playlist.setAdapter(adapter); return true; default: return super.onOptionsItemSelected(item); } } public void cleanView() { songTitle.setText(""); songArtist.setText(""); duration.setText(""); currentDuration.setText(""); seekBar.setProgress(0); try { togglePlayButton.setBackground(getResources().getDrawable(R.drawable.ic_action_play)); } catch (IllegalStateException e) { Log.d("error", e.getStackTrace().toString()); } updateAttempts = 0; } public void pauseView() { togglePlayButton.setBackground(getResources().getDrawable(R.drawable.ic_action_play)); updateAttempts = 0; } public void updateSongData() { mHandler = new Handler(); mRunnable = new Runnable() { @Override public void run() { Log.d("bugs", "Thread luft noch"); final MainActivity main = (MainActivity) getActivity(); if (main != null && main.getService() != null) { if (main.getService().isPlaying()) { controller.setPlayingNow(main.getService().getCurrentSong()); songTitle.setText(main.getService().getCurrentSong().toString()); String artist = "Unknown"; if (controller.getPlayingNow().getArtist() != null) { artist = controller.getPlayingNow().getArtist().toString(); } songArtist.setText(artist); togglePlayButton.setBackground(getResources().getDrawable(R.drawable.ic_action_pause)); int songDuration = main.getService().getMediaPlayer().getDuration() / 1000; duration.setText( String.format("%02d:%02d", (songDuration % 3600) / 60, (songDuration % 60))); songDuration = main.getService().getMediaPlayer().getCurrentPosition() / 1000; currentDuration.setText( String.format("%02d:%02d", (songDuration % 3600) / 60, (songDuration % 60))); int mCurrentPosition = main.getService().getMediaPlayer().getCurrentPosition(); seekBar.setMax(main.getService().getMediaPlayer().getDuration()); seekBar.setProgress(mCurrentPosition); seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onStopTrackingTouch(SeekBar seekBar) { main.getService().getMediaPlayer().seekTo(seekBar.getProgress()); } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { } }); mHandler.postDelayed(this, 1000); } else { updateAttempts++; Log.d("bugs", "attempt " + String.valueOf(updateAttempts)); if (updateAttempts >= 3) { Log.d("bugs", "thread pause"); pauseView(); mHandler.removeCallbacks(mRunnable); } } } else { Log.d("bugs", "service ist nicht vorhanden"); cleanView(); mHandler.removeCallbacks(mRunnable); } } }; mHandler.post(mRunnable); } }