Android基本组件09（ProgressBar）

 

//ActivityProgressBar.javapackage android.ActivityUI;import android.app.Activity;import android.os.Bundle;public class ActivityProgressBar extends Activity{public void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.progress_bar);}}//progress_bar.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:text="圆形进度条" android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView><ProgressBar android:id="@+id/progressBar1" android:layout_width="wrap_content" android:layout_height="wrap_content"></ProgressBar><TextView android:text="水平进度条" android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView><ProgressBar android:id="@+id/progressBar2" style="?android:attr/progressBarStyleHorizontal"android:layout_width="200dip" android:layout_height="20dip"android:max="100"android:progress="50"android:secondaryProgress="75"></ProgressBar></LinearLayout>