Android AnalogClock and DigitalClock example_digital clock example-优快云博客

本文深入探讨了如何在Android应用中实现模拟时钟功能，包括模拟指针钟（AnalogClock）和数字时钟（DigitalClock），详细解释了XML布局文件与代码实现之间的交互过程，并提供了关键代码片段的使用说明。

main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Analog Clock"
android:textAppearance="?android:attr/textAppearanceLarge" />

<AnalogClock
android:id="@+id/analogClock1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Digital Clock"
android:textAppearance="?android:attr/textAppearanceLarge" />

<DigitalClock
android:id="@+id/digitalClock1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="DigitalClock" />

</LinearLayout>

AnalogClockDigitalClockDemoActivity.java

package com.cjp.analogdigitalclock;

import android.app.Activity;
import android.os.Bundle;
import android.widget.AnalogClock;
import android.widget.DigitalClock;

public class AnalogClockDigitalClockDemoActivity extends Activity {

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

AnalogClock ac = (AnalogClock) findViewById(R.id.analogClock1);
//what can i do with AnalogClock?

DigitalClock dc = (DigitalClock) findViewById(R.id.digitalClock1);
//what can i do with DigitalClock also? for display only

}

}