The popup windows is a floating container that appears on top of the current activity.
Layout for PopUp
Below is the layout for the popup window.
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@android:color/holo_blue_bright" android:orientation="vertical" android:padding="20dp"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:gravity="center" android:text="This is a PopupWindow" /> <ImageView android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="20dp" android:src="@drawable/android" /> <Button android:id="@+id/dismiss" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Dismiss" /></LinearLayout> |
Layout for Activity
Create another layout for the activity activity_main.xml
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" 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="com.coderzheaven.popupdemo.MainActivity"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/tv1" android:text="Pop Up Window Demo in Android" /> <Button android:padding="20dp" android:layout_below="@+id/tv1" android:id="@+id/open_popup" android:layout_width="match_parent" android:text="Open PopUp" android:layout_height="wrap_content" /></RelativeLayout> |
Implementation
The activity which implements the popup.
package com.coderzheaven.popupdemo;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.widget.Button;import android.widget.PopupWindow;import android.view.ViewGroup.LayoutParams;public class MainActivity extends AppCompatActivity implements View.OnClickListener { Button btnOpenPopup; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btnOpenPopup = (Button) findViewById(R.id.open_popup); btnOpenPopup.setOnClickListener(this); } @Override public void onClick(View view) { LayoutInflater layoutInflater = (LayoutInflater) getBaseContext() .getSystemService(LAYOUT_INFLATER_SERVICE); View popupView = layoutInflater.inflate(R.layout.popup_window, null); final PopupWindow popupWindow = new PopupWindow( popupView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); Button btnDismiss = (Button) popupView.findViewById(R.id.dismiss); btnDismiss.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { popupWindow.dismiss(); } }); popupWindow.showAsDropDown(btnOpenPopup, 20, 90); }} |