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