1 /* 2 * Copyright 2014 The Android Open Source Project 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.fragmenttransition; 18 19 import com.example.android.common.logger.Log; 20 21 import android.os.Bundle; 22 import android.support.v4.app.Fragment; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 import android.view.animation.Animation; 27 import android.view.animation.AnimationUtils; 28 import android.widget.AdapterView; 29 import android.widget.GridView; 30 31 public class FragmentTransitionFragment extends Fragment implements AdapterView.OnItemClickListener { 32 33 private static final String TAG = "FragmentTransitionFragment"; 34 35 private MeatAdapter mAdapter; 36 newInstance()37 public static FragmentTransitionFragment newInstance() { 38 return new FragmentTransitionFragment(); 39 } 40 FragmentTransitionFragment()41 public FragmentTransitionFragment() { 42 } 43 44 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)45 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 46 // This is the adapter we use to populate the grid. 47 mAdapter = new MeatAdapter(inflater, R.layout.item_meat_grid); 48 // Inflate the layout with a GridView in it. 49 return inflater.inflate(R.layout.fragment_fragment_transition, container, false); 50 } 51 52 @Override onViewCreated(View view, Bundle savedInstanceState)53 public void onViewCreated(View view, Bundle savedInstanceState) { 54 GridView grid = (GridView) view.findViewById(R.id.grid); 55 grid.setAdapter(mAdapter); 56 grid.setOnItemClickListener(this); 57 } 58 59 @Override onItemClick(AdapterView<?> parent, View view, int position, long id)60 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 61 Meat meat = mAdapter.getItem(position); 62 Log.i(TAG, meat.title + " clicked. Replacing fragment."); 63 // We start the fragment transaction here. It is just an ordinary fragment transaction. 64 getActivity().getSupportFragmentManager() 65 .beginTransaction() 66 .replace(R.id.sample_content_fragment, 67 DetailFragment.newInstance(meat.resourceId, meat.title, 68 (int) view.getX(), (int) view.getY(), 69 view.getWidth(), view.getHeight()) 70 ) 71 // We push the fragment transaction to back stack. User can go back to the 72 // previous fragment by pressing back button. 73 .addToBackStack("detail") 74 .commit(); 75 } 76 77 @Override onCreateAnimation(int transit, boolean enter, int nextAnim)78 public Animation onCreateAnimation(int transit, boolean enter, int nextAnim) { 79 return AnimationUtils.loadAnimation(getActivity(), 80 enter ? android.R.anim.fade_in : android.R.anim.fade_out); 81 } 82 83 } 84