学习水平方向进度条的方法

学习水平方向进度条的方法:

package com.example.progressbar;

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

public class MainActivity extends Activity {
	private ProgressBar progressBar;
	private Button button;
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		button = (Button)findViewById(R.id.button);
		progressBar = (ProgressBar)findViewById(R.id.ProgressBar);
	//setMax 设置进度条总长度为200
		progressBar.setMax(200);
	//setProgress 设置第一进度条在20的位置
		progressBar.setProgress(20);
	//setSecondaryProgress 设置第二进度条在30的位置
		progressBar.setSecondaryProgress(30);
	//isIndeterminate 如果是一个不确定时间的进度条返回true;如果是一个确定时间的进度条返回flash
		boolean flag = progressBar.isIndeterminate();
		button.setOnClickListener(new ButtonListener());
		
	}
	
	class ButtonListener implements OnClickListener {
		public void onClick(View arg0) {
	//incrementProgressBy 设置第一进度位置：要在当前第一进度条的基础上增加10
			progressBar.incrementProgressBy(10);
	//incrementSecondaryProgressBy 设置第二进度位置：要在当前第二进度条的基础上增加10
			progressBar.incrementSecondaryProgressBy(10);
		}
	}
}

全部代码:

package com.example.progressbar;

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

public class MainActivity extends Activity {
	private ProgressBar progressBar;
	private Button button;
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		button = (Button)findViewById(R.id.button);
		progressBar = (ProgressBar)findViewById(R.id.ProgressBar);
		progressBar.setMax(200);
		progressBar.setProgress(20);
		progressBar.setSecondaryProgress(30);
		boolean flag = progressBar.isIndeterminate();
		button.setOnClickListener(new ButtonListener());
		
	}
	
	class ButtonListener implements OnClickListener {
		public void onClick(View arg0) {
			progressBar.incrementProgressBy(10);
			progressBar.incrementSecondaryProgressBy(10);
		}
	}
}



 
<RelativeLayout xmlns:android="https://schemas.android.com/apk/res/android"
    xmlns:tools="https://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <ProgressBar 
        android:id="@+id/ProgressBar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
       //设置进度条为水平方向
        style="?android:attr/progressBarStyleHorizontal"/>
	<Button 
	    android:id="@+id/button"
	    android:layout_width="wrap_content"
	    android:layout_height="wrap_content"
	    android:layout_below="@id/ProgressBar"
	    android:text="begin"/>

</RelativeLayout>
学习水平方向进度条的方法:

package com.example.progressbar;