How to create popup window in android

Hello Friends,

Today I am going to explore a simple Demo for Popup window in android ,which gives you
an idea , how to create a popup window with some text and close button.

1)Print Screen

i)

ii)

2)manisfest.xml file

<?xml version="1.0" encoding="utf-8"?>

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

package="com.popup.window"

android:versionCode="1"

android:versionName="1.0" >

<uses-sdk android:minSdkVersion="7" />

<application

android:icon="@drawable/ic_launcher"

android:label="@string/app_name" >

<activity

android:name=".PopUpWinndowDemoActivity"

android:label="@string/app_name" >

<intent-filter>

<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />

</intent-filter>

</activity>

</application>

</manifest>

3)PopUpWinndowDemoActivity.java file

package com.popup.window;

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.PopupWindow;

public class PopUpWinndowDemoActivity extends Activity {

Button btnClosePopup;

Button btnCreatePopup;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

btnCreatePopup = (Button) findViewById(R.id.button1);

btnCreatePopup.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

initiatePopupWindow();

}

});

}

private PopupWindow pwindo;

private void initiatePopupWindow() {

try {

// We need to get the instance of the LayoutInflater

LayoutInflater inflater = (LayoutInflater) PopUpWinndowDemoActivity.this

.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

View layout = inflater.inflate(R.layout.screen_popup,

(ViewGroup) findViewById(R.id.popup_element));

pwindo = new PopupWindow(layout, 300, 370, true);

pwindo.showAtLocation(layout, Gravity.CENTER, 0, 0);

btnClosePopup = (Button) layout.findViewById(R.id.btn_close_popup);

btnClosePopup.setOnClickListener(cancel_button_click_listener);

} catch (Exception e) {

e.printStackTrace();

}

}

private OnClickListener cancel_button_click_listener = new OnClickListener() {

public void onClick(View v) {

pwindo.dismiss();

}

};

}

4)main.xml file

<?xml version="1.0" encoding="utf-8"?>

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

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:orientation="vertical" >

<TextView

android:layout_width="fill_parent"

android:layout_height="wrap_content"

android:text="@string/hello" />

<Button

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Button" />

</LinearLayout>

5)screen_popup.xml file

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

android:id="@+id/popup_element"

android:layout_width="fill_parent"

android:layout_height="fill_parent"

android:background="#444444"

android:orientation="vertical"

android:padding="10sp" >

<TextView

android:id="@+id/txtView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="5sp"

android:text="Hello!" />

<Button

android:id="@+id/btn_close_popup"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"

android:text="Close" />

</LinearLayout>

You might also:
1)http://www.androidhub4you.com/2012/09/menu-dialog-demo-in-android.html

2)http://www.androidhub4you.com/2012/09/alert-dialog-box-or-confirmation-box-in.html