Java tutorial
/* * Copyright 2015 Synced Synapse. All rights reserved. * * 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.syncedsynapse.kore2.ui; import android.annotation.TargetApi; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.FragmentTransaction; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBar; import android.support.v7.widget.Toolbar; import android.transition.TransitionInflater; import android.view.Menu; import android.view.MenuItem; import android.view.Window; import com.syncedsynapse.kore2.R; import com.syncedsynapse.kore2.utils.LogUtils; import com.syncedsynapse.kore2.utils.Utils; /** * Controls the presentation of Movies information (list, details) * All the information is presented by specific fragments */ public class MoviesActivity extends BaseActivity implements MovieListFragment.OnMovieSelectedListener { private static final String TAG = LogUtils.makeLogTag(MoviesActivity.class); public static final String MOVIEID = "movie_id"; public static final String MOVIETITLE = "movie_title"; private int selectedMovieId = -1; private String selectedMovieTitle; private NavigationDrawerFragment navigationDrawerFragment; @TargetApi(21) @Override protected void onCreate(Bundle savedInstanceState) { // Request transitions on lollipop if (Utils.isLollipopOrLater()) { getWindow().requestFeature(Window.FEATURE_CONTENT_TRANSITIONS); } super.onCreate(savedInstanceState); setContentView(R.layout.activity_generic_media); // Set up the drawer. navigationDrawerFragment = (NavigationDrawerFragment) getSupportFragmentManager() .findFragmentById(R.id.navigation_drawer); navigationDrawerFragment.setUp(R.id.navigation_drawer, (DrawerLayout) findViewById(R.id.drawer_layout)); if (savedInstanceState == null) { MovieListFragment movieListFragment = new MovieListFragment(); // Setup animations if (Utils.isLollipopOrLater()) { movieListFragment.setExitTransition(null); movieListFragment.setReenterTransition( TransitionInflater.from(this).inflateTransition(android.R.transition.fade)); } getSupportFragmentManager().beginTransaction().add(R.id.fragment_container, movieListFragment).commit(); } else { selectedMovieId = savedInstanceState.getInt(MOVIEID, -1); selectedMovieTitle = savedInstanceState.getString(MOVIETITLE, null); } setupActionBar(selectedMovieTitle); } @Override public void onResume() { super.onResume(); } @Override public void onPause() { super.onPause(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putInt(MOVIEID, selectedMovieId); outState.putString(MOVIETITLE, selectedMovieTitle); } @Override public boolean onCreateOptionsMenu(Menu menu) { // if (!navigationDrawerFragment.isDrawerOpen()) { // getMenuInflater().inflate(R.menu.media_info, menu); // } getMenuInflater().inflate(R.menu.media_info, menu); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_show_remote: // Starts remote Intent launchIntent = new Intent(this, RemoteActivity.class).addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(launchIntent); return true; case android.R.id.home: // Only respond to this if we are showing the movie details in portrait mode, // which can be checked by checking if selected movie != -1, in which case we // should go back to the previous fragment, which is the list. if (selectedMovieId != -1) { selectedMovieId = -1; selectedMovieTitle = null; setupActionBar(null); getSupportFragmentManager().popBackStack(); return true; } break; default: break; } return super.onOptionsItemSelected(item); } @Override public void onBackPressed() { // If we are showing movie details in portrait, clear selected and show action bar if (selectedMovieId != -1) { selectedMovieId = -1; selectedMovieTitle = null; setupActionBar(null); } super.onBackPressed(); } private void setupActionBar(String movieTitle) { Toolbar toolbar = (Toolbar) findViewById(R.id.default_toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (movieTitle != null) { navigationDrawerFragment.setDrawerIndicatorEnabled(false); actionBar.setTitle(movieTitle); } else { navigationDrawerFragment.setDrawerIndicatorEnabled(true); actionBar.setTitle(R.string.movies); } } /** * Callback from movielist fragment when a movie is selected. * Switch fragment in portrait * @param movieId Movie selected * @param movieTitle Title */ @TargetApi(21) public void onMovieSelected(int movieId, String movieTitle) { selectedMovieId = movieId; selectedMovieTitle = movieTitle; MovieDetailsFragment movieDetailsFragment = MovieDetailsFragment.newInstance(movieId); FragmentTransaction fragTrans = getSupportFragmentManager().beginTransaction(); // Set up transitions if (Utils.isLollipopOrLater()) { movieDetailsFragment.setEnterTransition( TransitionInflater.from(this).inflateTransition(R.transition.media_details)); movieDetailsFragment.setReturnTransition(null); } else { fragTrans.setCustomAnimations(R.anim.fragment_details_enter, 0, R.anim.fragment_list_popenter, 0); } fragTrans.replace(R.id.fragment_container, movieDetailsFragment).addToBackStack(null).commit(); setupActionBar(selectedMovieTitle); } }