private ImageView iv_menu;
private PopupMenu popupMenu;

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	String[] abs = new String[]{"关于我们", "检查更新", "意见反馈"};
	popupMenu = new PopupMenu(this,abs);

	iv_menu = (ImageView) findViewById(R.id.iv_menu);

	iv_menu.setOnClickListener(new OnClickListener() {

		@Override
		public void onClick(View v) {
			popupMenu.showLocation(R.id.iv_menu);// 设置弹出菜单弹出的位置
			// 设置回调监听，获取点击事件
			popupMenu.setOnItemClickListener(new PopupMenu.OnItemClickListener() {

				@Override
				public void onClick(PopupMenu.MENUITEM item, String str) {
					Toast.makeText(getApplication(), str, Toast.LENGTH_SHORT).show();

				}
			});
		}
	});
}