閱讀《Android 從入門到精通》(16)——表狀時鐘
表狀時鐘(AnalogClock)
java.lang.Object;
android.view.View;
android.widget.AnalogClock;
AnalogClock 類方法
AnalogClock 樣本
這個程式只要貼圖就可以了,回想之前的 DigitalClock,後來查證得知,這類工程一般是貼圖,非要自繪的話,需要衍生類別做相關的重寫,這裡面將會用到 Canvas 等方面的內容。
1.MainActivity.java
package com.sweetlover.activity;import com.sweetlover.analogclockdemo.R;import android.app.Activity;import android.os.Bundle;public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.activity_main);}}2.activity_main.xml
<!--{cke_protected}{C}%3C!%2D%2D%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%2D%2D%3E--><linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="30dp" android:orientation="vertical"> <analogclock android:id="@+id/analogClock1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center"></analogclock></linearlayout>3.AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.sweetlover.analogclockdemo" android:versioncode="1" android:versionname="1.0"> <uses-sdk android:minsdkversion="8" android:targetsdkversion="19"> <application android:allowbackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme"> <activity android:name="com.sweetlover.activity.MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN"> <category android:name="android.intent.category.LAUNCHER"> </category></action></intent-filter> </activity> </application></uses-sdk></manifest>