1 /* 2 * Copyright 2015 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.xyztouristattractions.ui; 18 19 import android.annotation.TargetApi; 20 import android.app.Activity; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.os.Build; 24 import android.os.Bundle; 25 import android.support.v4.app.ActivityCompat; 26 import android.support.v4.app.ActivityOptionsCompat; 27 import android.support.v7.app.AppCompatActivity; 28 import android.view.View; 29 30 import com.example.android.xyztouristattractions.R; 31 32 /** 33 * The tourist attraction detail activity screen which contains the details of 34 * a single attraction. 35 */ 36 public class DetailActivity extends AppCompatActivity { 37 38 private static final String EXTRA_ATTRACTION = "attraction"; 39 40 @TargetApi(Build.VERSION_CODES.LOLLIPOP) 41 public static void launch(Activity activity, String attraction, View heroView) { 42 Intent intent = getLaunchIntent(activity, attraction); 43 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { 44 ActivityOptionsCompat options = ActivityOptionsCompat.makeSceneTransitionAnimation( 45 activity, heroView, heroView.getTransitionName()); 46 ActivityCompat.startActivity(activity, intent, options.toBundle()); 47 } else { 48 activity.startActivity(intent); 49 } 50 } 51 52 public static Intent getLaunchIntent(Context context, String attraction) { 53 Intent intent = new Intent(context, DetailActivity.class); 54 intent.putExtra(EXTRA_ATTRACTION, attraction); 55 return intent; 56 } 57 58 @Override 59 protected void onCreate(Bundle savedInstanceState) { 60 super.onCreate(savedInstanceState); 61 setContentView(R.layout.activity_main); 62 63 String attraction = getIntent().getStringExtra(EXTRA_ATTRACTION); 64 if (savedInstanceState == null) { 65 getSupportFragmentManager().beginTransaction() 66 .add(R.id.container, DetailFragment.createInstance(attraction)) 67 .commit(); 68 } 69 } 70 } 71
