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 robert843.o2.pl.player.ui; import android.app.FragmentTransaction; import android.app.SearchManager; import android.content.Context; import android.content.Intent; import android.media.browse.MediaBrowser; import android.os.Bundle; import android.provider.MediaStore; import android.support.v4.view.MenuItemCompat; import android.support.v7.widget.SearchView; import android.text.TextUtils; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import robert843.o2.pl.player.R; import robert843.o2.pl.player.utils.LogHelper; /** * Placeholder activity for features that are not implemented in this sample, but * are in the navigation drawer. */ public class PlaceholderActivity extends BaseActivity implements MediaBrowserFragment.MediaFragmentListener { private static final String TAG = LogHelper.makeLogTag(MusicPlayerActivity.class); private static final String SAVED_MEDIA_ID = "com.example.android.uamp.MEDIA_ID"; public static final String EXTRA_START_FULLSCREEN = "com.example.android.uamp.EXTRA_START_FULLSCREEN"; /** * Optionally used with {@link #EXTRA_START_FULLSCREEN} to carry a MediaDescription to * the {@link robert843.o2.pl.player.ui.FullScreenPlayerActivity}, speeding up the screen rendering * while the {@link android.media.session.MediaController} is connecting. */ public static final String EXTRA_CURRENT_MEDIA_DESCRIPTION = "com.example.android.uamp.CURRENT_MEDIA_DESCRIPTION"; private Bundle mVoiceSearchParams; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); LogHelper.d(TAG, "Activity onCreate"); Log.d("Plajer", "Start!!!"); setContentView(R.layout.activity_player); initializeToolbar(); initializeFromParams(savedInstanceState, getIntent()); // Only check if a full screen player is needed on the first time: if (savedInstanceState == null) { startFullScreenActivityIfNeeded(getIntent()); } } @Override protected void onSaveInstanceState(Bundle outState) { String mediaId = getMediaId(); if (mediaId != null) { outState.putString(SAVED_MEDIA_ID, mediaId); } super.onSaveInstanceState(outState); } @Override public void onMediaItemSelected(MediaBrowser.MediaItem item) { LogHelper.d(TAG, "onMediaItemSelected, mediaId=" + item.getMediaId()); if (item.isPlayable()) { getMediaController().getTransportControls().playFromMediaId(item.getMediaId(), null); } else if (item.isBrowsable()) { navigateToBrowser(item.getMediaId()); } else { LogHelper.w(TAG, "Ignoring MediaItem that is neither browsable nor playable: ", "mediaId=", item.getMediaId()); } } @Override public void setToolbarTitle(CharSequence title) { LogHelper.d(TAG, "Setting toolbar title to ", title); if (title == null) { title = getString(R.string.app_name); } setTitle(title); } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main, menu); MenuItem searchItem = menu.findItem(R.id.menu_search); SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); setupNewSearchView(searchItem, searchManager); return true; } private void setupNewSearchView(final MenuItem searchItem, SearchManager searchManager) { final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem); searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String s) { return false; } @Override public boolean onQueryTextChange(String s) { return false; } }); // Null at line below searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName())); System.out.println(searchManager.getSearchableInfo(getComponentName())); // Everything else below edited out } @Override protected void onNewIntent(Intent intent) { LogHelper.d(TAG, "onNewIntent, intent=" + intent); initializeFromParams(null, intent); startFullScreenActivityIfNeeded(intent); } private void startFullScreenActivityIfNeeded(Intent intent) { if (intent != null && intent.getBooleanExtra(EXTRA_START_FULLSCREEN, false)) { Intent fullScreenIntent = new Intent(this, FullScreenPlayerActivity.class) .setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP) .putExtra(EXTRA_CURRENT_MEDIA_DESCRIPTION, intent.getParcelableExtra(EXTRA_CURRENT_MEDIA_DESCRIPTION)); startActivity(fullScreenIntent); } } protected void initializeFromParams(Bundle savedInstanceState, Intent intent) { String mediaId = null; // check if we were started from a "Play XYZ" voice search. If so, we save the extras // (which contain the query details) in a parameter, so we can reuse it later, when the // MediaSession is connected. if (intent.getAction() != null && intent.getAction().equals(MediaStore.INTENT_ACTION_MEDIA_PLAY_FROM_SEARCH)) { mVoiceSearchParams = intent.getExtras(); LogHelper.d(TAG, "Starting from voice search query=", mVoiceSearchParams.getString(SearchManager.QUERY)); } else { if (savedInstanceState != null) { // If there is a saved media ID, use it mediaId = savedInstanceState.getString(SAVED_MEDIA_ID); } } navigateToBrowser(mediaId); } private void navigateToBrowser(String mediaId) { LogHelper.d(TAG, "navigateToBrowser, mediaId=" + mediaId); MediaBrowserFragment fragment = getBrowseFragment(); if (fragment == null || !TextUtils.equals(fragment.getMediaId(), mediaId)) { fragment = new MediaBrowserFragment(); fragment.setMediaId(mediaId); FragmentTransaction transaction = getFragmentManager().beginTransaction(); transaction.setCustomAnimations(R.animator.slide_in_from_right, R.animator.slide_out_to_left, R.animator.slide_in_from_left, R.animator.slide_out_to_right); transaction.replace(R.id.container, fragment); // If this is not the top level media (root), we add it to the fragment back stack, // so that actionbar toggle and Back will work appropriately: if (mediaId != null) { transaction.addToBackStack(null); } transaction.commit(); } } public String getMediaId() { MediaBrowserFragment fragment = getBrowseFragment(); if (fragment == null) { return null; } return fragment.getMediaId(); } private MediaBrowserFragment getBrowseFragment() { return (MediaBrowserFragment) getFragmentManager().findFragmentById(R.id.container); } @Override protected void onMediaControllerConnected() { if (mVoiceSearchParams != null) { // If there is a bootstrap parameter to start from a search query, we // send it to the media session and set it to null, so it won't play again // when the activity is stopped/started or recreated: String query = mVoiceSearchParams.getString(SearchManager.QUERY); getMediaController().getTransportControls().playFromSearch(query, mVoiceSearchParams); mVoiceSearchParams = null; } getBrowseFragment().onConnected(); } }