PopupMenu and PopupMenu

PopupMenu and PopupMenu

A pop-up menu is a mode menu docked on a View. If there is space below the View object, the pop-up menu will be displayed below the docked object, otherwise it will be displayed above. This is very useful:

Source Code address:Http://download.csdn.net/detail/u013922681/8951537

Reference:
1. Example of PopupMenu for Android
2. Question about Menu position display in Android apps

Source code:
MainActivity. java

package com.example.popMenu;import android.os.Bundle;import android.annotation.SuppressLint;import android.app.Activity;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.PopupMenu;import android.widget.PopupMenu.OnMenuItemClickListener;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public void showPopup(View view) {        PopupMenu popupMenu = new PopupMenu(MainActivity.this, view);        popupMenu.getMenuInflater().inflate(R.menu.main, popupMenu.getMenu());        popupMenu.setOnMenuItemClickListener(new OnMenuItemClickListener() {            @Override            public boolean onMenuItemClick(MenuItem item) {                // TODO Auto-generated method stub                switch (item.getItemId()) {                case R.id.action_settings:                    Toast.makeText(MainActivity.this, "click", 0).show();                    break;                default:                    break;                }                return false;            }        });        popupMenu.show();    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // TODO Auto-generated method stub        switch (item.getItemId()) {        case R.id.action_settings:            Toast.makeText(MainActivity.this, "click", 0).show();            break;        default:            break;        }        return super.onOptionsItemSelected(item);    }}

Activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    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=".MainActivity" >    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true"        android:layout_marginLeft="96dp"        android:layout_marginTop="111dp"        android:text="@string/hello_world"         android:onClick="showPopup"/></RelativeLayout>

Effect

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