/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.example.android.apis.view;// Need the following import to get access to the app resources, since this// class is in a sub-package.import com.example.android.apis.R;import android.app.Activity;import android.os.Bundle;import android.os.SystemClock;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Chronometer;public class ChronometerDemo extends Activity {    Chronometer mChronometer;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.chronometer);        Button button;        mChronometer = (Chronometer) findViewById(R.id.chronometer);        // Watch for button clicks.        button = (Button) findViewById(R.id.start);        button.setOnClickListener(mStartListener);        button = (Button) findViewById(R.id.stop);        button.setOnClickListener(mStopListener);        button = (Button) findViewById(R.id.reset);        button.setOnClickListener(mResetListener);        button = (Button) findViewById(R.id.set_format);        button.setOnClickListener(mSetFormatListener);        button = (Button) findViewById(R.id.clear_format);        button.setOnClickListener(mClearFormatListener);    }    View.OnClickListener mStartListener = new OnClickListener() {        public void onClick(View v) {            mChronometer.start();        }    };    View.OnClickListener mStopListener = new OnClickListener() {        public void onClick(View v) {            mChronometer.stop();        }    };    View.OnClickListener mResetListener = new OnClickListener() {        public void onClick(View v) {            mChronometer.setBase(SystemClock.elapsedRealtime());        }    };    View.OnClickListener mSetFormatListener = new OnClickListener() {        public void onClick(View v) {            mChronometer.setFormat("Formatted time (%s)");        }    };    View.OnClickListener mClearFormatListener = new OnClickListener() {        public void onClick(View v) {            mChronometer.setFormat(null);        }    };}