android长按横向菜单,Android 长按弹出菜单栏，PopupMenu 菜单栏

在Android中的SDK3.0版本以后加入了一个特殊的菜单效果，它可以在任何的View上显示，根据View的位置显示菜单效果。

res/menu/menu.xml

MainActivity.java

package com.summergao.mypopupmenu;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.MenuItem;

import android.view.View;

import android.widget.PopupMenu;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

private TextView tv1;

private TextView tv2;

private TextView tv3;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

initView();

}

private void initView() {

tv1 = (TextView) findViewById(R.id.tv1);

tv2 = (TextView) findViewById(R.id.tv2);

tv3 = (TextView) findViewById(R.id.tv3);

tv1.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

myPopupMenu(v);

}

});

tv2.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

myPopupMenu(v);

}

});

tv3.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

myPopupMenu(v);

}

});

}

private void myPopupMenu(View v) {

//定义PopupMenu对象

PopupMenu popupMenu = new PopupMenu(MainActivity.this, v);

//设置PopupMenu对象的布局

popupMenu.getMenuInflater().inflate(R.menu.menu, popupMenu.getMenu());

//设置PopupMenu的点击事件

popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {

@Override

public boolean onMenuItemClick(MenuItem item) {

Toast.makeText(MainActivity.this, "点击了----" + item.getTitle(), Toast.LENGTH_SHORT).show();

return true;

}

});

//显示菜单

popupMenu.show();

}

}