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Diffstat (limited to 'MusicDemo/src/main/java/com/example/android/musicservicedemo/QueueFragment.java')
-rw-r--r--MusicDemo/src/main/java/com/example/android/musicservicedemo/QueueFragment.java295
1 files changed, 0 insertions, 295 deletions
diff --git a/MusicDemo/src/main/java/com/example/android/musicservicedemo/QueueFragment.java b/MusicDemo/src/main/java/com/example/android/musicservicedemo/QueueFragment.java
deleted file mode 100644
index 5d2525b..0000000
--- a/MusicDemo/src/main/java/com/example/android/musicservicedemo/QueueFragment.java
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * 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 com.example.android.musicservicedemo;
-
-import android.app.Fragment;
-import android.content.ComponentName;
-import android.media.browse.MediaBrowser;
-import android.media.session.MediaController;
-import android.media.session.MediaSession;
-import android.media.session.PlaybackState;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.ImageButton;
-import android.widget.ListView;
-
-import com.example.android.musicservicedemo.utils.LogHelper;
-
-import java.util.List;
-
-/**
- * A class that shows the Media Queue to the user.
- */
-public class QueueFragment extends Fragment {
-
- private static final String TAG = QueueFragment.class.getSimpleName();
-
- private ImageButton mSkipNext;
- private ImageButton mSkipPrevious;
- private ImageButton mPlayPause;
-
- private MediaBrowser mMediaBrowser;
- private MediaController.TransportControls mTransportControls;
- private MediaController mMediaController;
- private PlaybackState mPlaybackState;
-
- private QueueAdapter mQueueAdapter;
-
- private MediaBrowser.ConnectionCallback mConnectionCallback =
- new MediaBrowser.ConnectionCallback() {
- @Override
- public void onConnected() {
- LogHelper.d(TAG, "onConnected: session token ", mMediaBrowser.getSessionToken());
-
- if (mMediaBrowser.getSessionToken() == null) {
- throw new IllegalArgumentException("No Session token");
- }
-
- mMediaController = new MediaController(getActivity(),
- mMediaBrowser.getSessionToken());
- mTransportControls = mMediaController.getTransportControls();
- mMediaController.registerCallback(mSessionCallback);
-
- getActivity().setMediaController(mMediaController);
- mPlaybackState = mMediaController.getPlaybackState();
-
- List<MediaSession.QueueItem> queue = mMediaController.getQueue();
- if (queue != null) {
- mQueueAdapter.clear();
- mQueueAdapter.notifyDataSetInvalidated();
- mQueueAdapter.addAll(queue);
- mQueueAdapter.notifyDataSetChanged();
- }
- onPlaybackStateChanged(mPlaybackState);
- }
-
- @Override
- public void onConnectionFailed() {
- LogHelper.d(TAG, "onConnectionFailed");
- }
-
- @Override
- public void onConnectionSuspended() {
- LogHelper.d(TAG, "onConnectionSuspended");
- mMediaController.unregisterCallback(mSessionCallback);
- mTransportControls = null;
- mMediaController = null;
- getActivity().setMediaController(null);
- }
- };
-
- // Receive callbacks from the MediaController. Here we update our state such as which queue
- // is being shown, the current title and description and the PlaybackState.
- private MediaController.Callback mSessionCallback = new MediaController.Callback() {
-
- @Override
- public void onSessionDestroyed() {
- LogHelper.d(TAG, "Session destroyed. Need to fetch a new Media Session");
- }
-
- @Override
- public void onPlaybackStateChanged(PlaybackState state) {
- if (state == null) {
- return;
- }
- LogHelper.d(TAG, "Received playback state change to state ", state.getState());
- mPlaybackState = state;
- QueueFragment.this.onPlaybackStateChanged(state);
- }
-
- @Override
- public void onQueueChanged(List<MediaSession.QueueItem> queue) {
- LogHelper.d(TAG, "onQueueChanged ", queue);
- if (queue != null) {
- mQueueAdapter.clear();
- mQueueAdapter.notifyDataSetInvalidated();
- mQueueAdapter.addAll(queue);
- mQueueAdapter.notifyDataSetChanged();
- }
- }
- };
-
- public static QueueFragment newInstance() {
- return new QueueFragment();
- }
-
- @Override
- public View onCreateView(LayoutInflater inflater, ViewGroup container,
- Bundle savedInstanceState) {
- View rootView = inflater.inflate(R.layout.fragment_list, container, false);
-
- mSkipPrevious = (ImageButton) rootView.findViewById(R.id.skip_previous);
- mSkipPrevious.setEnabled(false);
- mSkipPrevious.setOnClickListener(mButtonListener);
-
- mSkipNext = (ImageButton) rootView.findViewById(R.id.skip_next);
- mSkipNext.setEnabled(false);
- mSkipNext.setOnClickListener(mButtonListener);
-
- mPlayPause = (ImageButton) rootView.findViewById(R.id.play_pause);
- mPlayPause.setEnabled(true);
- mPlayPause.setOnClickListener(mButtonListener);
-
- mQueueAdapter = new QueueAdapter(getActivity());
-
- ListView mListView = (ListView) rootView.findViewById(R.id.list_view);
- mListView.setAdapter(mQueueAdapter);
- mListView.setFocusable(true);
- mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
- @Override
- public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
- MediaSession.QueueItem item = mQueueAdapter.getItem(position);
- mTransportControls.skipToQueueItem(item.getQueueId());
- }
- });
-
- mMediaBrowser = new MediaBrowser(getActivity(),
- new ComponentName(getActivity(), MusicService.class),
- mConnectionCallback, null);
-
- return rootView;
- }
-
- @Override
- public void onResume() {
- super.onResume();
- if (mMediaBrowser != null) {
- mMediaBrowser.connect();
- }
- }
-
- @Override
- public void onPause() {
- super.onPause();
- if (mMediaController != null) {
- mMediaController.unregisterCallback(mSessionCallback);
- }
- if (mMediaBrowser != null) {
- mMediaBrowser.disconnect();
- }
- }
-
-
- private void onPlaybackStateChanged(PlaybackState state) {
- LogHelper.d(TAG, "onPlaybackStateChanged ", state);
- if (state == null) {
- return;
- }
- mQueueAdapter.setActiveQueueItemId(state.getActiveQueueItemId());
- mQueueAdapter.notifyDataSetChanged();
- boolean enablePlay = false;
- StringBuilder statusBuilder = new StringBuilder();
- switch (state.getState()) {
- case PlaybackState.STATE_PLAYING:
- statusBuilder.append("playing");
- enablePlay = false;
- break;
- case PlaybackState.STATE_PAUSED:
- statusBuilder.append("paused");
- enablePlay = true;
- break;
- case PlaybackState.STATE_STOPPED:
- statusBuilder.append("ended");
- enablePlay = true;
- break;
- case PlaybackState.STATE_ERROR:
- statusBuilder.append("error: ").append(state.getErrorMessage());
- break;
- case PlaybackState.STATE_BUFFERING:
- statusBuilder.append("buffering");
- break;
- case PlaybackState.STATE_NONE:
- statusBuilder.append("none");
- enablePlay = false;
- break;
- case PlaybackState.STATE_CONNECTING:
- statusBuilder.append("connecting");
- break;
- default:
- statusBuilder.append(mPlaybackState);
- }
- statusBuilder.append(" -- At position: ").append(state.getPosition());
- LogHelper.d(TAG, statusBuilder.toString());
-
- if (enablePlay) {
- mPlayPause.setImageDrawable(
- getActivity().getDrawable(R.drawable.ic_play_arrow_white_24dp));
- } else {
- mPlayPause.setImageDrawable(getActivity().getDrawable(R.drawable.ic_pause_white_24dp));
- }
-
- mSkipPrevious.setEnabled((state.getActions() & PlaybackState.ACTION_SKIP_TO_PREVIOUS) != 0);
- mSkipNext.setEnabled((state.getActions() & PlaybackState.ACTION_SKIP_TO_NEXT) != 0);
-
- LogHelper.d(TAG, "Queue From MediaController *** Title " +
- mMediaController.getQueueTitle() + "\n: Queue: " + mMediaController.getQueue() +
- "\n Metadata " + mMediaController.getMetadata());
- }
-
- private View.OnClickListener mButtonListener = new View.OnClickListener() {
- @Override
- public void onClick(View v) {
- final int state = mPlaybackState == null ?
- PlaybackState.STATE_NONE : mPlaybackState.getState();
- switch (v.getId()) {
- case R.id.play_pause:
- LogHelper.d(TAG, "Play button pressed, in state " + state);
- if (state == PlaybackState.STATE_PAUSED ||
- state == PlaybackState.STATE_STOPPED ||
- state == PlaybackState.STATE_NONE) {
- playMedia();
- } else if (state == PlaybackState.STATE_PLAYING) {
- pauseMedia();
- }
- break;
- case R.id.skip_previous:
- LogHelper.d(TAG, "Start button pressed, in state " + state);
- skipToPrevious();
- break;
- case R.id.skip_next:
- skipToNext();
- break;
- }
- }
- };
-
- private void playMedia() {
- if (mTransportControls != null) {
- mTransportControls.play();
- }
- }
-
- private void pauseMedia() {
- if (mTransportControls != null) {
- mTransportControls.pause();
- }
- }
-
- private void skipToPrevious() {
- if (mTransportControls != null) {
- mTransportControls.skipToPrevious();
- }
- }
-
- private void skipToNext() {
- if (mTransportControls != null) {
- mTransportControls.skipToNext();
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 08:04:19 +0000