Android仿微信长按菜单效果

dependencies {
  ....

  compile 'com.noober.floatmenu:common:1.0.2'
}

 private Point point = new Point();
 @Override
 public boolean dispatchTouchEvent(MotionEvent ev) {
  if(ev.getAction() == MotionEvent.ACTION_DOWN){
   point.x = (int) ev.getRawX();
   point.y = (int) ev.getRawY();
  }
  return super.dispatchTouchEvent(ev);
 }

 listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  @Override
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
   FloatMenu floatMenu = new FloatMenu(MainActivity.this);
   floatMenu.items("菜单1", "菜单2", "菜单3");
   floatMenu.show(point);
  }
 });

 final FloatMenu floatMenu = new FloatMenu(this, btn1);
  floatMenu.items("菜单1", "菜单2", "菜单3");
  floatMenu.setOnItemClickListener(new FloatMenu.OnItemClickListener() {
   @Override
   public void onClick(View v, int position) {
    Toast.makeText(MainActivity.this, "菜单"+position, Toast.LENGTH_SHORT).show();
   }
  });

floatMenu.items("菜单1", "菜单2", "菜单3");
  ...
  List<String> list = new ArrayList<>();
  list.add("菜单1"); list.add("菜单2"); list.add("菜单3");
  floatMenu.items(list);

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
   <item app:menu_title="Send to Chat" app:icon = "@drawable/brush"></item>
   <item
    app:menu_title="Add to Favorites" app:icon = "@drawable/barrage"/>
   <item
    app:menu_title="Delete" app:icon = "@drawable/clock"/>
   <item
    app:menu_title="More" app:icon = "@drawable/collection"/>

</menu>

 floatMenu.inflate(R.menu.popup_menu);

public void items(List<MenuItem> itemList, int itemWidth)
public void items(int itemWidth, String... items) 
public void inflate(int menuRes, int itemWidth)

final FloatMenu floatMenu = new FloatMenu(this, btn2);
floatMenu.inflate(R.menu.popup_menu);
floatMenu.setOnItemClickListener(new FloatMenu.OnItemClickListener() {
 @Override
 public void onClick(View v, int position) {
  Toast.makeText(MainActivity.this, "菜单"+position, Toast.LENGTH_SHORT).show();
 }
});

listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  @Override
  public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
   FloatMenu floatMenu = new FloatMenu(MainActivity.this);
   floatMenu.items("菜单1", "菜单2", "菜单3");
   floatMenu.show(point);
  }
 });