ป๊อบอัพเมนู

activity_main.xml

[code lang=”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.phaisarn.jackapplication.MainActivity">

<Button
android:id="@+id/buttonShowPopup"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="showMenu"
android:text="Popup" />

</RelativeLayout>
[/code]

menu_popup.xml

[code lang=”xml”]
<menu 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"
tools:context="com.phaisarn.testapplication.MainActivity">

<item
android:id="@+id/popup_menu1"
android:orderInCategory="101"
android:title="@string/popup_menu1"
app:showAsAction="never" />

<item
android:id="@+id/popup_menu2"
android:orderInCategory="101"
android:title="@string/popup_menu2"
app:showAsAction="never" />

</menu>
[/code]

strings.xml

[code lang=”xml”]
<resources>
<string name="app_name">Jack Application</string>

<string name="popup_menu1">Popup Menu1</string>
<string name="popup_menu2">Popup Menu2</string>
</resources>
[/code]

MainActivity.java

[code lang=”java”]
package com.phaisarn.jackapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.PopupMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

public void showMenu(View v) {
PopupMenu popup = new PopupMenu(this, v);
popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.popup_menu1:
Toast.makeText(getApplicationContext(), "Popup1", Toast.LENGTH_SHORT).show();
return true;
case R.id.popup_menu2:
Toast.makeText(getApplicationContext(), "Popup2", Toast.LENGTH_SHORT).show();
return true;
default:
return false;
}
}
});
popup.inflate(R.menu.menu_popup);
popup.show();
}
}
[/code]