Create PopupMenu to display just below TextView
Description
The following code shows how to Create PopupMenu to display just below TextView.
Example
Layout activity_main.xml file
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/anchor"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Menu Will Show Here" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:text="Show Menu"
android:onClick="onShowMenuClick"/>
</RelativeLayout>
Menu xml file
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/menu_add"
android:title="Add Item"
android:icon="@android:drawable/ic_menu_add"
android:showAsAction="always|collapseActionView"
android:actionLayout="@layout/activity_main" />
<item android:id="@+id/menu_remove"
android:title="Remove Item"
android:icon="@android:drawable/ic_menu_delete"
android:showAsAction="ifRoom" />
<item android:id="@+id/menu_edit"
android:title="Edit Item"
android:icon="@android:drawable/ic_menu_edit"
android:showAsAction="ifRoom" />
<item android:id="@+id/menu_settings"
android:title="Settings"
android:icon="@android:drawable/ic_menu_preferences"
android:showAsAction="never" />
</menu>
Main activity Java code
package com.java2s.myapplication3.app;
/* w ww . j ava 2 s .co m*/
import android.annotation.TargetApi;
import android.app.Activity;
import android.os.Build;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.PopupMenu;
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class OptionsActivity extends Activity implements
PopupMenu.OnMenuItemClickListener,
CompoundButton.OnCheckedChangeListener {
private MenuItem mOptionsItem;
private CheckBox mFirstOption, mSecondOption;
private PopupMenu mPopup;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Create a PopupMenu to display just below our TextView
mPopup = new PopupMenu(this, findViewById(R.id.anchor));
mPopup.setOnMenuItemClickListener(this);
//Use the same options menu as our Activity
mPopup.inflate(R.menu.main);
}
public void onShowMenuClick(View v) {
mPopup.show();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
//Use this callback to create the menu and do any
// initial setup necessary
getMenuInflater().inflate(R.menu.main, menu);
//Find and initialize our action item
mOptionsItem = menu.findItem(R.id.menu_add);
mOptionsItem.setOnActionExpandListener(new MenuItem.OnActionExpandListener() {
@Override
public boolean onMenuItemActionExpand(
MenuItem item) {
// Must return true to have item expand
return true;
}
@Override
public boolean onMenuItemActionCollapse(
MenuItem item) {
mFirstOption.setChecked(false);
mSecondOption.setChecked(false);
// Must return true to have item collapse
return true;
}
});
mFirstOption = (CheckBox) mOptionsItem
.getActionView()
.findViewById(R.id.menu_add);
mFirstOption
.setOnCheckedChangeListener(this);
mSecondOption = (CheckBox) mOptionsItem
.getActionView()
.findViewById(R.id.menu_remove);
mSecondOption
.setOnCheckedChangeListener(this);
return true;
}
/* CheckBox Callback Methods */
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (mFirstOption.isChecked() && mSecondOption.isChecked()) {
mOptionsItem.collapseActionView();
}
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
//Use this callback to do setup that needs to happen
// each time the menu opens
return super.onPrepareOptionsMenu(menu);
}
//Callback from the PopupMenu click
public boolean onMenuItemClick(MenuItem item) {
menuItemSelected(item);
return true;
}
//Callback from a standard options menu click
@Override
public boolean onOptionsItemSelected(MenuItem item) {
menuItemSelected(item);
return true;
}
//Private helper so each unique callback can trigger the same actions
private void menuItemSelected(MenuItem item) {
//Get the selected option by id
switch (item.getItemId()) {
case R.id.menu_add:
//Do add action
break;
case R.id.menu_remove:
//Do remove action
break;
case R.id.menu_edit:
//Do edit action
break;
case R.id.menu_settings:
//Do settings action
break;
default:
break;
}
}
}