159 Java Android Program to Demonstrate Progress Dialog with Spinning Wheel in Android
Posted by Superadmin on December 07 2015 16:16:49

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Here is source code of the Program to Demonstrate Progress Dialog with Spinning Wheel in Android. The program is successfully compiled and run on a Windows system using Eclipse Ide. The program output is also shown below.

In order to display Progress Dialog box with a ring simply call

ProgressDialog progressdialog = ProgressDialog.show(
MainActivity.this, "Please wait",
"Loading please wait..", true);
The rest of the code is given below.


MainActivity.java

package com.example.progressdialogspinnigwheel;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
final ProgressDialog progressdialog = ProgressDialog.show(
MainActivity.this, "Please wait",
"Loading please wait..", true);
progressdialog.setCancelable(true);
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
// put the thread to sleep for 2 seconds
Thread.sleep(2000);
} catch (Exception e) {
}
progressdialog.dismiss();
}
}).start();
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}


Activity_Main.xml

<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_alignRight="@+id/textView1"
android:layout_below="@+id/textView1"
android:layout_marginTop="80dp"
android:text="Launch" />

</RelativeLayout>