1 /* 2 * Copyright (C) 2007 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.apis.view; 18 19 // Need the following import to get access to the app resources, since this 20 // class is in a sub-package. 21 import com.example.android.apis.R; 22 23 import android.app.Activity; 24 import android.os.Bundle; 25 import android.os.SystemClock; 26 import android.view.View; 27 import android.view.View.OnClickListener; 28 import android.widget.Button; 29 import android.widget.Chronometer; 30 31 public class ChronometerDemo extends Activity { 32 Chronometer mChronometer; 33 34 @Override 35 protected void onCreate(Bundle savedInstanceState) { 36 super.onCreate(savedInstanceState); 37 38 setContentView(R.layout.chronometer); 39 40 Button button; 41 42 mChronometer = (Chronometer) findViewById(R.id.chronometer); 43 44 // Watch for button clicks. 45 button = (Button) findViewById(R.id.start); 46 button.setOnClickListener(mStartListener); 47 48 button = (Button) findViewById(R.id.stop); 49 button.setOnClickListener(mStopListener); 50 51 button = (Button) findViewById(R.id.reset); 52 button.setOnClickListener(mResetListener); 53 54 button = (Button) findViewById(R.id.set_format); 55 button.setOnClickListener(mSetFormatListener); 56 57 button = (Button) findViewById(R.id.clear_format); 58 button.setOnClickListener(mClearFormatListener); 59 } 60 61 View.OnClickListener mStartListener = new OnClickListener() { 62 public void onClick(View v) { 63 mChronometer.start(); 64 } 65 }; 66 67 View.OnClickListener mStopListener = new OnClickListener() { 68 public void onClick(View v) { 69 mChronometer.stop(); 70 } 71 }; 72 73 View.OnClickListener mResetListener = new OnClickListener() { 74 public void onClick(View v) { 75 mChronometer.setBase(SystemClock.elapsedRealtime()); 76 } 77 }; 78 79 View.OnClickListener mSetFormatListener = new OnClickListener() { 80 public void onClick(View v) { 81 mChronometer.setFormat("Formatted time (%s)"); 82 } 83 }; 84 85 View.OnClickListener mClearFormatListener = new OnClickListener() { 86 public void onClick(View v) { 87 mChronometer.setFormat(null); 88 } 89 }; 90 } 91
