Java tutorial
/* * Copyright (C) 2014 Fastboot Mobile, LLC. * * This program is free software; you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with this program; * if not, see <http://www.gnu.org/licenses>. */ package com.fastbootmobile.encore.app.fragments; import android.content.ActivityNotFoundException; import android.os.RemoteException; import android.support.v4.app.ListFragment; import android.content.Intent; import android.os.Bundle; import android.app.Fragment; import android.util.Log; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.ListView; import android.widget.Toast; import com.fastbootmobile.encore.app.R; import com.fastbootmobile.encore.utils.Utils; import com.fastbootmobile.encore.app.adapters.ProvidersAdapter; import com.fastbootmobile.encore.framework.PluginsLookup; import com.fastbootmobile.encore.providers.IMusicProvider; import com.fastbootmobile.encore.providers.ProviderConnection; import java.util.ArrayList; import java.util.List; /** * A simple {@link Fragment} subclass displaying providers. * Use the {@link SettingsProvidersFragment#newInstance} factory method to * create an instance of this fragment. */ public class SettingsProvidersFragment extends ListFragment { private static final String TAG = "SettingsProvidersFragment"; private ProviderConnection mSettingsConnection; /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * @return A new instance of fragment SettingsProviders. */ public static SettingsProvidersFragment newInstance() { return new SettingsProvidersFragment(); } /** * Default constructor */ public SettingsProvidersFragment() { // Required empty public constructor } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); // Get providers, filter out our MultiProvider playlist provider List<ProviderConnection> providers = PluginsLookup.getDefault().getAvailableProviders(); List<ProviderConnection> filteredProviders = new ArrayList<>(); for (ProviderConnection p : providers) { if (!p.getServiceName().equals("com.fastbootmobile.encore.providers.MultiProviderPlaylistProvider")) { filteredProviders.add(p); } } setListAdapter(new ProvidersAdapter(filteredProviders)); } @Override public void onListItemClick(ListView l, View v, int position, long id) { ProviderConnection connection = ((ProvidersAdapter) getListAdapter()).getItem(position); if (connection.getConfigurationActivity() != null) { mSettingsConnection = connection; Intent i = new Intent(); i.setClassName(connection.getPackage(), connection.getConfigurationActivity()); try { startActivity(i); } catch (SecurityException e) { Log.e(TAG, "Cannot start: Is your activity not exported?", e); Toast.makeText(getActivity(), "Cannot start: Make sure you set 'exported=true' flag on your settings activity.", Toast.LENGTH_LONG).show(); } catch (ActivityNotFoundException e) { Log.e(TAG, "Cannot start: Settings activity not found in the package", e); Toast.makeText(getActivity(), "Cannot start: Make sure your activity name is correct in the manifest.", Toast.LENGTH_LONG) .show(); } } else { Utils.shortToast(getActivity(), R.string.no_settings_provider); } } @Override public void onResume() { super.onResume(); // If we come back from configuring a provider, let's see if it's ready now and log it in if (mSettingsConnection != null) { final IMusicProvider provider = mSettingsConnection.getBinder(); try { if (provider != null && provider.isSetup() && !provider.isAuthenticated()) { mSettingsConnection.getBinder().login(); } } catch (RemoteException e) { Log.e(TAG, "Cannot login newly setup provider", e); } } } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); menu.clear(); inflater.inflate(R.menu.provider_settings, menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_download_provider: ProviderDownloadDialog.newInstance(false).show(getFragmentManager(), "Download"); return true; default: return false; } } }