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      1 /*
      2  * Copyright (C) 2014 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.wearable.jumpingjack.fragments;
     18 
     19 import com.example.android.wearable.jumpingjack.R;
     20 import com.example.android.wearable.jumpingjack.Utils;
     21 
     22 import android.app.Fragment;
     23 import android.graphics.drawable.Drawable;
     24 import android.os.Bundle;
     25 import android.os.Handler;
     26 import android.view.LayoutInflater;
     27 import android.view.View;
     28 import android.view.ViewGroup;
     29 import android.widget.TextView;
     30 
     31 import java.util.Timer;
     32 import java.util.TimerTask;
     33 
     34 /**
     35  * A simple fragment for showing the count
     36  */
     37 public class CounterFragment extends Fragment {
     38 
     39     private static final long ANIMATION_INTERVAL_MS = 500; // in milliseconds
     40     private TextView mCounterText;
     41     private Timer mAnimationTimer;
     42     private Handler mHandler;
     43     private TimerTask mAnimationTask;
     44     private boolean up = false;
     45     private Drawable mDownDrawable;
     46     private Drawable mUpDrawable;
     47 
     48     @Override
     49     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     50             Bundle savedInstanceState) {
     51         View view = inflater.inflate(R.layout.counter_layout, container, false);
     52         mDownDrawable = getResources().getDrawable(R.drawable.jump_down_50);
     53         mUpDrawable = getResources().getDrawable(R.drawable.jump_up_50);
     54         mCounterText = (TextView) view.findViewById(R.id.counter);
     55         mCounterText.setCompoundDrawablesWithIntrinsicBounds(mUpDrawable, null, null, null);
     56         setCounter(Utils.getCounterFromPreference(getActivity()));
     57         mHandler = new Handler();
     58         startAnimation();
     59         return view;
     60     }
     61 
     62     private void startAnimation() {
     63         mAnimationTask = new TimerTask() {
     64             @Override
     65             public void run() {
     66                 mHandler.post(new Runnable() {
     67                     @Override
     68                     public void run() {
     69                         mCounterText.setCompoundDrawablesWithIntrinsicBounds(
     70                                 up ? mUpDrawable : mDownDrawable, null, null, null);
     71                         up = !up;
     72                     }
     73                 });
     74             }
     75         };
     76         mAnimationTimer = new Timer();
     77         mAnimationTimer.scheduleAtFixedRate(mAnimationTask, ANIMATION_INTERVAL_MS,
     78                 ANIMATION_INTERVAL_MS);
     79     }
     80 
     81     public void setCounter(String text) {
     82         mCounterText.setText(text);
     83     }
     84 
     85     public void setCounter(int i) {
     86         setCounter(i < 0 ? "0" : String.valueOf(i));
     87     }
     88 
     89     @Override
     90     public void onDetach() {
     91         mAnimationTimer.cancel();
     92         super.onDetach();
     93     }
     94 }
     95