Android应用源码之在线播放器源码-IT计算机-毕业设计.zip

/* * Copyright (C) 2009 Teleca Poland Sp. z o.o. <android@teleca.com> * * 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.teleca.jamendo.activity; import java.util.List; import org.json.JSONException; import com.teleca.jamendo.JamendoApplication; import com.teleca.jamendo.api.Album; import com.teleca.jamendo.api.JamendoGet2Api; import com.teleca.jamendo.api.License; import com.teleca.jamendo.api.Playlist; import com.teleca.jamendo.api.PlaylistEntry; import com.teleca.jamendo.api.PlaylistRemote; import com.teleca.jamendo.api.Track; import com.teleca.jamendo.api.WSError; import com.teleca.jamendo.api.impl.JamendoGet2ApiImpl; import com.teleca.jamendo.dialog.AddToPlaylistDialog; import com.teleca.jamendo.dialog.LoadingDialog; import com.teleca.jamendo.dialog.LyricsDialog; import com.teleca.jamendo.dialog.PlayerAlbumLoadingDialog; import com.teleca.jamendo.dialog.PlaylistRemoteLoadingDialog; import com.teleca.jamendo.media.PlayerEngine; import com.teleca.jamendo.media.PlayerEngineListener; import com.teleca.jamendo.util.Helper; import com.teleca.jamendo.widget.ReflectableLayout; import com.teleca.jamendo.widget.ReflectiveSurface; import com.teleca.jamendo.widget.RemoteImageView; import com.teleca.jamendo.R; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.net.Uri; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.view.Window; import android.view.View.OnClickListener; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.view.animation.Animation.AnimationListener; import android.widget.ImageButton; import android.widget.ProgressBar; import android.widget.RatingBar; import android.widget.SlidingDrawer; import android.widget.TextView; import android.widget.Toast; /** * Central part of the UI. Touching cover fades in 4-way media buttons. * 4-way media buttons fade out after certain amount of time. Other parts * of layout are progress bar, total play time, played time, song title, * artist name and jamendo slider.<br><br> * * License information is implemented overlaying CreativeCommons logo over * the album picture. Information about type of license is retrieved concurrently * to track bufferring. * * @author Lukasz Wisniewski */ public class PlayerActivity extends Activity{ private PlayerEngine getPlayerEngine(){ return JamendoApplication.getInstance().getPlayerEngineInterface(); }; private Playlist mPlaylist; private Album mCurrentAlbum; // XML layout private TextView mArtistTextView; private TextView mSongTextView; private TextView mCurrentTimeTextView; private TextView mTotalTimeTextView; private RatingBar mRatingBar; private ProgressBar mProgressBar; private ImageButton mPlayImageButton; private ImageButton mNextImageButton; private ImageButton mPrevImageButton; private ImageButton mStopImageButton; private RemoteImageView mCoverImageView; private RemoteImageView mLicenseImageView; private Animation mFadeInAnimation; private Animation mFadeOutAnimation; private ReflectableLayout mReflectableLayout; private ReflectiveSurface mReflectiveSurface; private String mBetterRes; private SlidingDrawer mSlidingDrawer; /** * Launch this Activity from the outside, with defined playlist * * @param c context from which Activity should be started * @param a playlist to be played */ public static void launch(Context c, Playlist playlist){ Intent intent = new Intent(c, PlayerActivity.class); intent.putExtra("playlist", playlist); /* * For example, consider a task consisting of the activities: * A, B, C, D. If D calls startActivity() with an Intent that * resolves to the component of activity B, then C and D will * be finished and B receive the given Intent, resulting in * the stack now being: A, B. */ intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP ); c.startActivity(intent); } /** * Launch this Activity from the outside, with defined playlist on a remote server * * @param c * @param playlistRemote */ public static void launch(Activity c, PlaylistRemote playlistRemote){ Intent intent = new Intent(c, PlayerActivity.class); new PlaylistRemoteLoadingDialog(c, R.string.loading_playlist, R.string.loading_playlist_fail, intent).execute(playlistRemote); } /** * Launch this Activity from the outside with the given album * * @param c Activity from which PlayerActivity should be started * @param album an album to be played */ public static void launch(Activity c, Album album){ new PlayerAlbumLoadingDialog(c, R.string.album_loading, R.string.album_fail).execute(album); } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.i(JamendoApplication.TAG, "PlayerActivity.onCreate"); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.player); // XML binding mBetterRes = getResources().getString(R.string.better_res); mArtistTextView = (TextView)findViewById(R.id.ArtistTextView); mSongTextView = (TextView)findViewById(R.id.SongTextView); mCurrentTimeTextView = (TextView)findViewById(R.id.CurrentTimeTextView); mTotalTimeTextView = (TextView)findViewById(R.id.TotalTimeTextView); mRatingBar = (RatingBar) findViewById(R.id.TrackRowRatingBar); mCoverImageView = (RemoteImageView)findViewById(R.id.CoverImageView); mCoverImageView.setOnClickListener(mCoverOnClickListener); mCoverImageView.setDefaultImage(R.drawable.no_cd_300); mProgressBar = (ProgressBar)findViewById(R.id.ProgressBar); mReflectableLayout = (ReflectableLayout)findViewById(R.id.ReflectableLayout); mReflectiveSurface = (ReflectiveSurface)findViewById(R.id.ReflectiveSurface); if(mReflectableLayout != null && mReflectiveSurface != null){ mReflectableLayout.setReflectiveSurface(mReflectiveSurface); mReflectiveSurface.setReflectableLayout(mReflectableLayout); } handleIntent(); mPlayImageButton = (ImageButton)findViewById(R.id.PlayImageButton); mPlayImageButton.setOnClickListener(mPlayOnClickListener); mNextImageButton = (ImageButton)findViewById(R.id.NextImageButton); mNextImageButton.setOnClickListener(mNextOnClickListener); mPrevImageButton = (ImageButton)findViewById(R.id.PrevImageButton); mPrevImageButton.setOnClickListener(mPrevOnClickListener); mStopImageButton = (ImageButton)findViewById(R.id.StopImageButton); mStopImageButton.setOnClickListener(mStopOnClickListener); mFadeInAnimation = AnimationUtils.loadAnimation(this, R.anim.fade_in); mFadeInAnimation.setAnimationListener(new AnimationListener(){ @Override public void onAnimationEnd(Animation animation) { new Handler().postDelayed(new Runnable(){ @Override public void run() { if(mFadeInAnimation.hasEnded()) mPlayImageButton.startAnimation(mFadeOutAnimation); } }, 7500); } @Override public void onAnimationRepeat(Animation anima