Android Ring Dialogue Progress

Step  1 :

Make an android project named “RingDialogueProgress”.

Step  2 :

Paste the following code in MainActivity.java file.

package com.example.ringdialogueprogress;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.os.Handler;

import android.view.View;

public class MainActivity extends Activity

{

       ProgressDialog barProgressDialog;

       Handler updateBarHandler;

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

       }

       public void launchRingDialog(View view)

       {

              final ProgressDialog ringProgressDialog = ProgressDialog.show(MainActivity.this, "Please wait ...", "Downloading Image ...",true);

              ringProgressDialog.setCancelable(true);

              new Thread(new Runnable()

              {

                     @Override

                     public void run()

                     {

                           try

                           {

                                  // Here you should write your time consuming task...

                                  // Let the progress ring for 10 seconds...

                                  Thread.sleep(10000);

                           }

                           catch (Exception e)

                           {

                           }

                           ringProgressDialog.dismiss();

                     }

              }).start();

       }

}

Step 3 :

Paste the following code in activity_main.xml file.

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <Button

        android:id="@+id/btn2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="launchRingDialog"

        android:text="ProgressDialog Ring" />

</LinearLayout>