Android—ProgressBar进度条应用-蒲公英云

.java

package com.example.myapp;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
public class MainActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       //设置标题栏进度条
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        setContentView(R.layout.activity_main);
        //显示进度条
        setProgressBarIndeterminateVisibility(true);
    }
    /*
    显示对话框进度条
     */
    public  void showDialogProgress(View view)
    {
        //创建对话框进度条
        //ProgressDialog pd=new ProgressDialog(this);
       // pd.setMax(100);
       // pd.setIndeterminate(false);
       // pd.setProgress(30);
       // pd.setCancelable(true);   //是否可以被取消
       // pd.setTitle("下载对话框");
       // pd.setMessage("正在下载中...");
       // pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);    //设置成水平进度条
       // pd.show();
        //第2种方式
        ProgressDialog pd2=ProgressDialog.show(this,"download","downloading...",false,true);
    }
}

.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:showIn="@layout/activity_main" tools:context=".MainActivity">
    <ProgressBar
        style="?android:attr/progressBarStyleLarge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progressBar"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
    <ProgressBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progressBar2"
        android:layout_below="@+id/progressBar"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
    <ProgressBar
        style="?android:attr/progressBarStyleSmall"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progressBar3"
        android:layout_below="@+id/progressBar2"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
    <ProgressBar
        style="?android:attr/progressBarStyleHorizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:max="100"
        android:progress="50"
        android:indeterminate="false"
        android:secondaryProgress="80"
        android:id="@+id/progressBar4"
        android:layout_below="@+id/progressBar3"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="对话框进度条"
        android:id="@+id/button1"
        android:onClick="showDialogProgress"
        android:layout_below="@+id/progressBar4"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />
    <ProgressBar
        style="?android:attr/progressBarStyleLarge"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progressBar5"
        android:indeterminateDrawable="@drawable/progress_bg"
        android:layout_below="@+id/button1"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />
</RelativeLayout>

progress_bg.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
    <rotate android:drawable="@drawable/jdt"
        android:fromDegrees="0"
        android:toDegrees="360"
        android:pivotX="50%"
        android:pivotY="50%"/>
</item>
</layer-list>