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.cardview; 18 19 import android.app.Fragment; 20 import android.os.Bundle; 21 import android.support.v7.widget.CardView; 22 import android.util.Log; 23 import android.view.LayoutInflater; 24 import android.view.View; 25 import android.view.ViewGroup; 26 import android.widget.SeekBar; 27 28 /** 29 * Fragment that demonstrates how to use CardView. 30 */ 31 public class CardViewFragment extends Fragment { 32 33 private static final String TAG = CardViewFragment.class.getSimpleName(); 34 35 /** The CardView widget. */ 36 //@VisibleForTesting 37 CardView mCardView; 38 39 /** 40 * SeekBar that changes the cornerRadius attribute for the {@link #mCardView} widget. 41 */ 42 //@VisibleForTesting 43 SeekBar mRadiusSeekBar; 44 45 /** 46 * SeekBar that changes the Elevation attribute for the {@link #mCardView} widget. 47 */ 48 //@VisibleForTesting 49 SeekBar mElevationSeekBar; 50 51 /** 52 * Use this factory method to create a new instance of 53 * this fragment using the provided parameters. 54 * 55 * @return A new instance of fragment NotificationFragment. 56 */ newInstance()57 public static CardViewFragment newInstance() { 58 CardViewFragment fragment = new CardViewFragment(); 59 fragment.setRetainInstance(true); 60 return fragment; 61 } 62 CardViewFragment()63 public CardViewFragment() { 64 // Required empty public constructor 65 } 66 67 @Override onCreate(Bundle savedInstanceState)68 public void onCreate(Bundle savedInstanceState) { 69 super.onCreate(savedInstanceState); 70 } 71 72 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)73 public View onCreateView(LayoutInflater inflater, ViewGroup container, 74 Bundle savedInstanceState) { 75 // Inflate the layout for this fragment 76 return inflater.inflate(R.layout.fragment_card_view, container, false); 77 } 78 79 @Override onViewCreated(View view, Bundle savedInstanceState)80 public void onViewCreated(View view, Bundle savedInstanceState) { 81 super.onViewCreated(view, savedInstanceState); 82 mCardView = (CardView) view.findViewById(R.id.cardview); 83 mRadiusSeekBar = (SeekBar) view.findViewById(R.id.cardview_radius_seekbar); 84 mRadiusSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 85 @Override 86 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 87 Log.d(TAG, String.format("SeekBar Radius progress : %d", progress)); 88 mCardView.setRadius(progress); 89 } 90 @Override 91 public void onStartTrackingTouch(SeekBar seekBar) { 92 //Do nothing 93 } 94 95 @Override 96 public void onStopTrackingTouch(SeekBar seekBar) { 97 //Do nothing 98 } 99 }); 100 101 mElevationSeekBar = (SeekBar) view.findViewById(R.id.cardview_elevation_seekbar); 102 mElevationSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 103 @Override 104 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 105 Log.d(TAG, String.format("SeekBar Elevation progress : %d", progress)); 106 mCardView.setElevation(progress); 107 } 108 @Override 109 public void onStartTrackingTouch(SeekBar seekBar) { 110 //Do nothing 111 } 112 113 @Override 114 public void onStopTrackingTouch(SeekBar seekBar) { 115 //Do nothing 116 } 117 }); 118 } 119 } 120 121