Java tutorial
/* * Copyright (C) 2015 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.vinidsl.googleioextended.ui; import android.content.Intent; import android.content.res.Configuration; import android.os.Bundle; import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.Gravity; import android.view.Menu; import android.view.MenuItem; import com.vinidsl.googleioextended.R; import com.vinidsl.googleioextended.broadcast.PushNotificationReceiver; import com.vinidsl.googleioextended.helper.NetworkHelper; import com.vinidsl.googleioextended.helper.PreferencesHelper; import com.vinidsl.googleioextended.model.GdgNotification; import com.vinidsl.googleioextended.service.SynchroService; import com.vinidsl.googleioextended.ui.fragment.AboutFragment; import com.vinidsl.googleioextended.ui.fragment.DiaryFragment; import com.vinidsl.googleioextended.ui.fragment.ExploreFragment; import com.vinidsl.googleioextended.ui.fragment.SocialFragment; public class MainActivity extends AppCompatActivity implements PushNotificationReceiver.PushNotificationListener { private DrawerLayout mDrawerLayout; private ActionBarDrawerToggle drawerToggle; private PushNotificationReceiver pushNotificationReceiver; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (!PreferencesHelper.getBoolean(PreferencesHelper.ACCEPT_CONDITIONS, this)) { Intent intent = new Intent(this, WelcomeActivity.class); startActivity(intent); finish(); return; } setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); getSupportActionBar().setTitle(R.string.main_titlee); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); setupDrawerToggle(); if (!PreferencesHelper.getBoolean(PreferencesHelper.IS_SYNC, this)) { if (!PreferencesHelper.getBoolean(PreferencesHelper.FIRST_SYNC, this)) { if (NetworkHelper.hasNetworkConnection(this)) { Intent intent = new Intent(this, SynchroService.class); startService(intent); } else { Snackbar.make(toolbar, R.string.internet_error, Snackbar.LENGTH_LONG).show(); } } } NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); if (navigationView != null) { setupDrawerContent(navigationView); } } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); drawerToggle.syncState(); } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); drawerToggle.onConfigurationChanged(newConfig); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (drawerToggle.onOptionsItemSelected(item)) { return true; } switch (item.getItemId()) { case android.R.id.home: mDrawerLayout.openDrawer(GravityCompat.START); return true; } return super.onOptionsItemSelected(item); } @Override public void onBackPressed() { if (mDrawerLayout.isDrawerOpen(Gravity.LEFT)) { mDrawerLayout.closeDrawer(Gravity.LEFT); } else { super.onBackPressed(); } } private void setupDrawerToggle() { drawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.app_name, R.string.app_name); mDrawerLayout.setDrawerListener(drawerToggle); getSupportActionBar().setDisplayHomeAsUpEnabled(true); getSupportActionBar().setHomeButtonEnabled(true); } private void setupDrawerContent(final NavigationView navigationView) { navigationView.setItemIconTintList(getResources().getColorStateList(R.color.tint_selector)); navigationView.setItemTextColor(getResources().getColorStateList(R.color.tint_selector)); navigationView.getMenu().findItem(R.id.nav_explore).setChecked(true); if (PreferencesHelper.getBoolean(PreferencesHelper.FIRST_SYNC, this)) { changeFrameContent(new ExploreFragment()); } navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { @Override public boolean onNavigationItemSelected(MenuItem menuItem) { if (PreferencesHelper.getBoolean(PreferencesHelper.FIRST_SYNC, MainActivity.this)) { switch (menuItem.getItemId()) { case R.id.nav_map: PreferencesHelper.putInt(PreferencesHelper.MAP, 1, MainActivity.this); mDrawerLayout.closeDrawers(); Intent intent = new Intent(MainActivity.this, MapActivity.class); startActivity(intent); return true; case R.id.nav_diary: getSupportActionBar().setTitle(R.string.diary_title); changeFrameContent(new DiaryFragment()); break; case R.id.nav_explore: getSupportActionBar().setTitle(R.string.main_titlee); changeFrameContent(new ExploreFragment()); break; case R.id.nav_social: getSupportActionBar().setTitle(R.string.social_title); changeFrameContent(new SocialFragment()); break; case R.id.nav_about: getSupportActionBar().setTitle(R.string.about_title); changeFrameContent(new AboutFragment()); break; } menuItem.setChecked(true); } mDrawerLayout.closeDrawers(); return true; } }); } @Override protected void onResume() { super.onResume(); pushNotificationReceiver = new PushNotificationReceiver(this); pushNotificationReceiver.register(this); } @Override protected void onPause() { super.onPause(); pushNotificationReceiver.unRegister(this); } public void changeFrameContent(Fragment fragment) { FragmentManager fragmentManager = getSupportFragmentManager(); fragmentManager.beginTransaction().replace(R.id.content_frame, fragment).commit(); } @Override public void onNotificationReceive(GdgNotification gdgNotification) { if (PreferencesHelper.getBoolean(PreferencesHelper.FIRST_SYNC, this)) { changeFrameContent(new ExploreFragment()); } } }