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      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      */
     57     public static CardViewFragment newInstance() {
     58         CardViewFragment fragment = new CardViewFragment();
     59         fragment.setRetainInstance(true);
     60         return fragment;
     61     }
     62 
     63     public CardViewFragment() {
     64         // Required empty public constructor
     65     }
     66 
     67     @Override
     68     public void onCreate(Bundle savedInstanceState) {
     69         super.onCreate(savedInstanceState);
     70     }
     71 
     72     @Override
     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
     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