效果如圖:
具體實現代碼如下:
package com.example.mytest;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupMenu;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btn = (Button) findViewById(R.id.btn);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showPopupMenu(v);
}
});
}
private void showPopupMenu(View view) {
// View當前PopupMenu顯示的相對View的位置
PopupMenu popupMenu = new PopupMenu(this, view);
// menu佈局
popupMenu.getMenuInflater().inflate(R.menu.main, popupMenu.getMenu());
// menu的item點擊事件
popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
return false;
}
});
// PopupMenu關閉事件
popupMenu.setOnDismissListener(new PopupMenu.OnDismissListener() {
@Override
public void onDismiss(PopupMenu menu) {
Toast.makeText(getApplicationContext(), "關閉PopupMenu", Toast.LENGTH_SHORT).show();
}
});
popupMenu.show();
}
}