AndroidManifest.xml:
MainActivity.java:
activity_main.xml:
circular_progress_bar.xml: under res/drawable
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.blogspot.codingatharva.manualprograms"><application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity></application></manifest> |
MainActivity.java:
package com.blogspot.codingatharva.manualprograms;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.ProgressBar;public class MainActivity extends AppCompatActivity { Button b; ProgressBar pb; private int progressStatus = 0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); b = findViewById(R.id.btn); pb = findViewById(R.id.progressBar); b.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { startProgress(v); } }); } public void startProgress(View view) { pb.setProgress(0); new Thread(new Task()).start(); } class Task implements Runnable { @Override public void run() { for (int i = 0; i <= 10; i++) { final int value = i; try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } pb.setProgress(value); } } }} |
activity_main.xml:
<div style="white-space: normal; height: auto; visibility: visible; font-size: 14px;"><?xml version= "1.0" encoding= "utf-8" ?><RelativeLayout xmlns:android = "http://schemas.android.com/apk/res/android" android:layout_width= "match_parent" android:layout_height= "match_parent" android:layout_margin= "16dp" tools:context= ".MainActivity" > <ProgressBar android:id= "@+id/progressBar" style= "?android:attr/progressBarStyleHorizontal" android:layout_width= "200dp" android:layout_height= "200dp" android:layout_centerInParent= "true" android:background= "@drawable/circular_shape" android:indeterminate= "false" android:max= "100" android:progress= "0" android:progressDrawable= "@drawable/circular_progress_bar" /> <Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:layout_below="@+id/progressBar" android:text="Start"/></RelativeLayout></div> |
circular_progress_bar.xml: under res/drawable
<?xml version="1.0" encoding="utf-8"?><rotate xmlns:android = "http://schemas.android.com/apk/res/android" android:fromDegrees= "270" android:toDegrees= "270" > <shape android:innerRadiusRatio= "2.5" android:shape= "ring" android:thickness= "1dp" android:useLevel= "true" > <!-- this line fixes the issue for lollipop api 21 --> <gradient android:angle= "0" android:endColor= "#007DD6" android:startColor= "#007DD6" android:type= "sweep" android:useLevel= "false" /> </shape></rotate> |
circular_shape.xml: under res/drawable
<?xml version="1.0" encoding="utf-8"?><shape xmlns:android = "http://schemas.android.com/apk/res/android" android:innerRadiusRatio= "2.5" android:shape= "ring" android:thickness= "1dp" android:useLevel= "false" > <solid android:color= "#CCC" /></shape> |
Output:
