点显示进度条后→ 
android:max=”100″ 进度条的最大值
android:progress 进度条已经完成的进度值
android:progressDrawable 已经完成的进度条轨道显示的Drawable对象
indeterminateDrawable 设置绘制不显示进度的进度条的Drawable对象
android:indeterminate 设置为true，进度条不精准显示进度
android:indeterminateDuration 设置不精准显示进度的时间
布局文件
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="16dp" > <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="大环形进度条"
android:textAppearance="?android:attr/textAppearanceMedium" /> <ProgressBar
android:id="@+id/progressBar01_id"
style="?android:attr/progressBarStyleLarge"
android:layout_gravity="center_horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="普通的进度条"
android:textAppearance="?android:attr/textAppearanceMedium" /> <ProgressBar
android:id="@+id/progressBar02_id"
android:layout_gravity="center_horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="小的环形进度条"
android:textAppearance="?android:attr/textAppearanceMedium" /> <ProgressBar
android:id="@+id/progressBar03_id"
android:layout_gravity="center_horizontal"
style="?android:attr/progressBarStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content" /> <TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:text="横向水平的进度条"
android:textAppearance="?android:attr/textAppearanceMedium" /> <ProgressBar
android:id="@+id/progressBar04_id"
style="?android:attr/progressBarStyleHorizontal"
android:max="100"
android:progressDrawable="@drawable/bar_color"
android:layout_width="match_parent"
android:layout_height="wrap_content" /> <TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="水平进度条（自定义外观）"
android:layout_marginTop="10dp"
android:textAppearance="?android:attr/textAppearanceMedium" /> <ProgressBar
android:id="@+id/progressBar05_id"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:max="100"
android:progress="40"
android:progressDrawable="@drawable/bar_style" /> <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"> <Button
android:id="@+id/show_button_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="显示进度条" /> <Button
android:id="@+id/hint_button_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="隐藏进度条" /> </LinearLayout></LinearLayout>
bar_color.xml 设置进度条的颜色
<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- 设置背景色（蓝色） -->
<item android:id="@android:id/background" >
<shape>
<corners android:radius="6dp" />
<gradient android:startColor="#0000ff"
android:endColor="#0000ff" />
</shape>
</item> <!-- 设置进度条颜色（红色） -->
<item android:id="@android:id/progress" >
<clip>
<shape>
<corners android:radius="6dp" />
<gradient android:startColor="#ff0000"
android:endColor="#ff0000" />
</shape>
</clip>
</item> </layer-list>
bar_style.xml 用图片来设置进度条
<?xml version="1.0" encoding="UTF-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<!-- 设置背景色图像资源 -->
<item
android:id="@android:id/background"
android:drawable="@drawable/bar_bg" /> <!-- 设置进度条颜色图像资源 -->
<item
android:id="@android:id/progress"
android:drawable="@drawable/bar_progress" /></layer-list>
MainActivity.java
package com.kale.progressbar;import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.Button;
import android.widget.ProgressBar;public class MainActivity extends Activity { ProgressBar pB04,pB05;
Button showBt,hintBt;
//模拟一个长度为100的数组
private int [] data = new int[100];
int hasData = 0,status = 0;
Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
if(msg.what == 0x111) {
pB04.setProgress(status);
pB05.setProgress(status);
}
}
}; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_PROGRESS);//在窗口标题上显示带进度的横向进度条
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);//显示不带进度的进度条 //上面的代码必须在setContentView之前写
setContentView(R.layout.activity_main);
initView();
new Thread() {
public void run() {
while(status < 100) {
//获取耗时操作完成的百分比
status = doWork();
//发送消息
mHandler.sendEmptyMessage(0x111);
}
}
}.start(); showBt.setOnClickListener(new OnClickListener() { @Override
public void onClick(View arg0) {
//显示不带进度的进度条
setProgressBarIndeterminate(true);
//显示带进度的进度条
setProgressBarVisibility(true);
setProgress(4500); }
}); hintBt.setOnClickListener(new OnClickListener() { @Override
public void onClick(View arg0) {
//隐藏不带进度的进度条
setProgressBarIndeterminate(false);
//隐藏带进度的进度条
setProgressBarVisibility(false);
}
});
} public int doWork() {
data[hasData++] = (int)(Math.random() * 100);
try {
Thread.sleep(100);
} catch (Exception e) {
// TODO: handle exception
}
return hasData;
} private void initView() {
pB04 = (ProgressBar)findViewById(R.id.progressBar04_id);
pB05 = (ProgressBar)findViewById(R.id.progressBar05_id);
showBt = (Button) findViewById(R.id.show_button_id);
hintBt = (Button)findViewById(R.id.hint_button_id);
}
}
