android menu简单创建

public class MenuActivity extends AppCompatActivity {
    
    

    @Override
    protected void onCreate(Bundle savedInstanceState) {
    
    
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_menu);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
    
    
        menu.add(0,1,0,"第一个");
        menu.add(0,2,0,"第二个");
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
    
    
        switch (item.getItemId()){
    
    
            case 1:
                Toast.makeText(getApplicationContext(),"我的第一个",Toast.LENGTH_SHORT).show();
                break;
            case 2:
                Toast.makeText(getApplicationContext(),"我的第二个",Toast.LENGTH_SHORT).show();
                break;
        }
        return super.onOptionsItemSelected(item);
    }
}