public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 为这个按钮绑定弹出菜单
final Button btn = findViewById(R.id.btn);
// 长按时显示弹出菜单
btn.setonLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
// 初始化菜单
PopupMenu popupMenu = new PopupMenu(MainActivity.this, btn);
// 将菜单视图文件绑定到popupMenu的menu对象上
popupMenu.getMenuInflater().inflate(R.menu.first, popupMenu.getMenu());
// 注册菜单项监听器
popupMenu.setonMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case R.id.login:
Toast.makeText(MainActivity.this, "你刚刚点了登录", Toast.LENGTH_LONG).show();
break;
case R.id.register:
Toast.makeText(MainActivity.this, "你刚刚点了注册", Toast.LENGTH_LONG).show();
break;
}
return false;
}
});
// 显示菜单
popupMenu.show();
return true;
}
});
}
}
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。