Java tutorial
/* * Copyright (C) 2014 The Android Open Source Project * * 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 info.tongrenlu; import android.content.Intent; import android.media.session.PlaybackState; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.TextView; /** * A class that shows the Media Queue to the user. */ public class PlaybackControlsFragment extends Fragment { private static final String TAG = PlaybackControlsFragment.class.getName(); private ImageButton mPlayPause; private TextView mTitle; private TextView mSubtitle; private TextView mExtraInfo; private ImageView mAlbumArt; private String mArtUrl; private View.OnClickListener mButtonListener = new View.OnClickListener() { @Override public void onClick(View v) { } }; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_playback_controls, container, false); mPlayPause = (ImageButton) rootView.findViewById(R.id.play_pause); mPlayPause.setEnabled(true); mPlayPause.setOnClickListener(mButtonListener); mTitle = (TextView) rootView.findViewById(R.id.title); mSubtitle = (TextView) rootView.findViewById(R.id.artist); mExtraInfo = (TextView) rootView.findViewById(R.id.extra_info); mAlbumArt = (ImageView) rootView.findViewById(R.id.album_art); rootView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(getActivity(), FullScreenPlayerActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(intent); } }); return rootView; } @Override public void onStart() { super.onStart(); } @Override public void onStop() { super.onStop(); } public void setExtraInfo(String extraInfo) { if (extraInfo == null) { mExtraInfo.setVisibility(View.GONE); } else { mExtraInfo.setText(extraInfo); mExtraInfo.setVisibility(View.VISIBLE); } } private void onPlaybackStateChanged(PlaybackState state) { } private void playMedia() { } private void pauseMedia() { } }