14 Popup Menu

Algorithm:

Step 1) Create a new Android Studio Project named as popupmenu.

Step 2)Goto Project Structure and open the activity_main.xml file.

Step 3) Create menu Android resource Directory and inside menu folder popup menu resource file.

Step 4) open menu resource file and create the list of items you want to display in popup menu as options.

Step 5) implement PopupMenu.OnMenuItemClickListener Interface to MainActivity class

and Implement the following methods in the MainActivity class.

public void showPopup(View view) {    /* user defined method by using android:onClick=”showPopup” in activity_main.xml file.*/ //code }

@Override public boolean onMenuItemClick(MenuItem item) { //code

return false; }

Step 7) Run the application from the menu bar select Run and Click on Run App option.

Activity_main.xml

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

<android.support.constraint.ConstraintLayout 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" tools:context="com.example..popupmenu.MainActivity">

<Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/button" android:text="Click"

app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" />

</android.support.constraint.ConstraintLayout>

popup_menu.xml

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

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

<item

android:id="@+id/one" android:title="One" />

<item

android:id="@+id/two" android:title="Two"/>

<item

android:id="@+id/three" android:title="Three"/>

</menu>

MainActivity.java

package com.example.popupmenu;

import android.support.v7.app.AppCompatActivity; import android.os.Bundle;

import android.view.MenuItem; import android.view.View;

import android.widget.PopupMenu; import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements PopupMenu.OnMenuItemClickListener {

@Override

protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);

}

public void showPopup(View view) {

PopupMenu popup=new PopupMenu(this,view); popup.setOnMenuItemClickListener(this); popup.inflate(R.menu.popup_menu); popup.show();

}

@Override

public boolean onMenuItemClick(MenuItem item) { int id=item.getItemId();

switch (id){

case R.id.list_item1:

Toast.makeText(this,"Item1 Clicked",Toast.LENGTH_SHORT).show(); case R.id.list_item2:

Toast.makeText(this,"Item2 Clicked",Toast.LENGTH_SHORT).show(); case R.id.list_item3:

Toast.makeText(this,"Item3 Clicked",Toast.LENGTH_SHORT).show(); case R.id.list_item4:

Toast.makeText(this,"Item4 Clicked",Toast.LENGTH_SHORT).show();

}

return false;

}
OUTPUT: