Android—ProgressBar进度条应用

落日映苍穹つ 2022-08-21 07:59 262阅读 0赞

.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>

运行结果：  
1.未设置成水平进度条

![Center][]

2.设置成水平进度条

![Center 1][]

3.方法二显示

![Center 2][]

4.自定义进度条

![Center 3][]

注意：

![Center 4][]

![Center 5][]

[Center]: /images/20220724/cb1868cb8fd94ea8aef49cb5beeb4ba9.png
[Center 1]: /images/20220724/731e441881d74b10aabcff04fde71930.png
[Center 2]: /images/20220724/bae6c2a5d9e54c4c94b452f273bd0503.png
[Center 3]: /images/20220724/6f445f57880f41879b83fe311180fdd9.png
[Center 4]: /images/20220724/c677cbcfbffc46d0844cdfc7f6257f4a.png
[Center 5]: /images/20220724/b67b5eaa50b04929bde4b74b510a647f.png