anroid Bar 进度条示例

seekbar.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:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="这是一个滑块的案例"/>
    
    <SeekBar android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/seekBar"
        android:max="100"/>
    
    <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="这是一个水平进度条的案例"/>
    
    <ProgressBar android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/firstBar"
        android:max="100"
        style="?android:attr/progressBarStyleHorizontal"/>
    
    <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="这是一个循环进度条的案例"/>
    
    <ProgressBar android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/secondBar"
        android:max="100"
        android:progress="10"
        style="?android:attr/progressBarStyle"/>
    
    <Button android:layout_width="100px"
        android:layout_height="wrap_content"
        android:id="@+id/bt_Begn"
        android:text="开始"/>
    

</LinearLayout>

ProgressBarActivity.java文件：

package com.example.baseexample;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.SeekBar;

public class ProgressBarActivity extends Activity {
	
	private SeekBar seekBar;
	private ProgressBar firstBar;
	private ProgressBar secondBar;
	private Button bt_Begin;
	private int i=0;
	
	public void onCreate(Bundle savedInstanceState){
		super.onCreate(savedInstanceState);
		setContentView(R.layout.seekbar);
		
		seekBar= (SeekBar)findViewById(R.id.seekBar);
		firstBar = (ProgressBar)findViewById(R.id.firstBar);
		secondBar = (ProgressBar)findViewById(R.id.secondBar);
		bt_Begin = (Button)findViewById(R.id.bt_Begn);
		
		bt_Begin.setOnClickListener(new Button.OnClickListener(){

			@Override
			public void onClick(View v) {
				if(i==0){
					firstBar.setVisibility(View.VISIBLE);
					secondBar.setVisibility(View.VISIBLE);
				}else if(i<=100){
					firstBar.setProgress(i);
					firstBar.setSecondaryProgress(i+10);
					secondBar.setProgress(i);
				}
				i=i+10;
				seekBar.setProgress(i);
				
			}
			
		});
		
	}

}