Java tutorial
/* * Copyright (c) 2015 Jonas Kalderstam. * * 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 cn.studyjams.s2.sj0132.bowenyan.mygirlfriend.nononsenseapps.notepad.ui.settings; import android.accounts.AccountManager; import android.accounts.AccountManagerCallback; import android.accounts.AccountManagerFuture; import android.accounts.AuthenticatorException; import android.accounts.OperationCanceledException; import android.annotation.SuppressLint; import android.content.SharedPreferences; import android.os.Bundle; import android.preference.PreferenceManager; import android.support.v4.app.NavUtils; import android.support.v7.app.ActionBar; import android.support.v7.widget.Toolbar; import android.view.MenuItem; import java.io.IOException; import cn.studyjams.s2.sj0132.bowenyan.mygirlfriend.R; import cn.studyjams.s2.sj0132.bowenyan.mygirlfriend.nononsenseapps.notepad.ui.base.ActivityBase; import cn.studyjams.s2.sj0132.bowenyan.mygirlfriend.nononsenseapps.notepad.util.SyncGtaskHelper; /** * Main Settings activity. Loads the suitable fragment. */ public class ActivitySettings extends ActivityBase implements AccountManagerCallback<Bundle> { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_settings); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); final ActionBar ab = getSupportActionBar(); if (ab != null) { ab.setDisplayHomeAsUpEnabled(true); } getFragmentManager().beginTransaction().replace(R.id.container, new FragmentSettings()).commit(); } /** * Restart prefs immediately since the change is made here */ protected void onThemeOrLocaleChange() { restartActivity(); } @Override public boolean onOptionsItemSelected(MenuItem item) { if (android.R.id.home == item.getItemId()) { NavUtils.navigateUpFromSameTask(this); //finish(); return true; } else { return super.onOptionsItemSelected(item); } } /** * Called when the user has selected a Google account when pressing the enable Gtask switch. */ @SuppressLint("CommitPrefEdits") @Override public void run(AccountManagerFuture<Bundle> future) { try { // If the user has authorized // your application to use the // tasks API // a token is available. String token = future.getResult().getString(AccountManager.KEY_AUTHTOKEN); // Now we are authorized by the user. if (token != null && !token.isEmpty()) { // Also mark enabled as true, as the dialog was shown from enable button SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); sharedPreferences.edit().putBoolean(getString(R.string.const_preference_gtask_enabled_key), true) .commit(); // Set it syncable SyncGtaskHelper.toggleSync(this, sharedPreferences); // And schedule an immediate sync SyncGtaskHelper.requestSyncIf(this, SyncGtaskHelper.MANUAL); } } catch (OperationCanceledException | AuthenticatorException | IOException ignored) { // if the request was canceled for any reason, or something went wrong SyncGtaskHelper.disableSync(this); } } }