Android example - Android Popup Window Example

Android example - Android Popup Window Example

Introducing the popup window in Android. Popub windown Android is a phenomenon that displays information or notifies when a user clicks t... December 25, 2018

Introducing the popup window in Android.

Popub windown Android is a phenomenon that displays information or notifies when a user clicks the event in a certain attribute, Popub windown is often used in case of asking questions to users, or informing users. something.

Android Popup Window Example

Step 1
Create layout have name  activity_main.xml on layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Android Popup Window Example "
        android:layout_gravity="center"
        android:textColor="#000"
        android:textSize="20sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_margin="50dp"
        android:text="Show Popup Window"
        />
</LinearLayout>

 Step 2
Create layout custom popubwindown with custom_layout_popub.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/rl_custom_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="2dp"
    android:background="#808000"
    >
    <ImageButton
        android:id="@+id/ib_close"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_close_black_24dp"
        android:background="@null"
        />
    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Android example popub windown"
        android:textColor="#fff"
        android:layout_gravity="center"
        android:padding="25sp"
        />
</LinearLayout>

Step 3
Perform popup display window processing in class

import android.app.Activity;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.PopupWindow;


public class MainActivity extends Activity {

    private Button btn_click_show;
    private Context mContext;
    private PopupWindow mPopupWindow;
    private LinearLayout mRelativeLayout;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mContext = getApplicationContext();
        init();
        clickShowPupub();
    }
    private void init(){
        btn_click_show = findViewById(R.id.btn);
        mRelativeLayout = (LinearLayout) findViewById(R.id.rl);
    }
    private void clickShowPupub(){
        btn_click_show.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE);

                // Inflate the custom layout/view
                View customView = inflater.inflate(R.layout.custom_layout_popub,null);
                mPopupWindow = new PopupWindow(
                        customView,
                        ViewGroup.LayoutParams.WRAP_CONTENT,
                        ViewGroup.LayoutParams.WRAP_CONTENT
                );

                if(Build.VERSION.SDK_INT>=21){
                    mPopupWindow.setElevation(5.0f);
                }

                ImageButton closeButton = (ImageButton) customView.findViewById(R.id.ib_close);

                closeButton.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        // Dismiss the popup window
                        mPopupWindow.dismiss();
                    }
                });

                mPopupWindow.showAtLocation(mRelativeLayout, Gravity.CENTER,0,0);
            }
        });
    }

}