158 Java Android Program to Demonstrate Progress Dialog in Android
Posted by Superadmin on December 07 2015 16:08:38

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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.

MainActivity.java

package com.example.progressdialog;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
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() {
ProgressDialog progressdialog;

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
progressdialog = new ProgressDialog(MainActivity.this);
progressdialog.setMessage("Loading....");
progressdialog.setTitle("Please Wait..");
progressdialog.setProgressStyle(progressdialog.STYLE_HORIZONTAL);
progressdialog.setProgress(0);
progressdialog.setMax(100);
progressdialog.show();
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
while (progressdialog.getProgress() <= progressdialog.getMax()) {
Thread.sleep(1000);
handle.sendMessage(handle.obtainMessage());
if (progressdialog.getProgress() == progressdialog.getMax()) {
progressdialog.dismiss();
}
}
} catch (Exception e) {
}
}
}).start();
}

Handler handle = new Handler() {
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
progressdialog.incrementProgressBy(20);
}
};
});
}

@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>