监听菜单列表点击事件

àì夳堔傛蜴生んèń 2022-09-23 09:28 224阅读 0赞

</pre>menu:<pre class="html" name="code"><menu xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        tools:context="com.example.optionsmenu.MainActivity" >
    
        <item
            android:id="@+id/item_menu1"
            android:orderInCategory="100"
            android:showAsAction="never"
            android:title="菜单一"/>
        <item
            android:id="@+id/item_menu2"
            android:orderInCategory="100"
            android:showAsAction="never"
            android:title="菜单二"/>
    </menu>

package com.example.optionsmenu;
    
    import android.app.Activity;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.widget.Toast;
    
    
    public class MainActivity extends Activity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
        }
    
    
        @Override
        public boolean onCreateOptionsMenu(Menu menu) {
            // Inflate the menu; this adds items to the action bar if it is present.
            getMenuInflater().inflate(R.menu.main, menu);
            return true;
        }
        
        //重写onOptionsItemSelected方法
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
        	// TODO Auto-generated method stub
        	switch (item.getItemId()) {
    		case R.id.item_menu1:
    			Toast.makeText(MainActivity.this,"点击了菜单一",Toast.LENGTH_LONG).show();
    			break;
            case R.id.item_menu2:
            	Toast.makeText(MainActivity.this,"点击了菜单二",Toast.LENGTH_LONG).show();
    			break;
    		default:
    			break;
    		}
        	return super.onOptionsItemSelected(item);
        }
    //    public boolean onOptionsItemSelected(MenuItem item) {
    //        // Handle action bar item clicks here. The action bar will
    //        // automatically handle clicks on the Home/Up button, so long
    //        // as you specify a parent activity in AndroidManifest.xml.
    //        int id = item.getItemId();
    //        if (id == R.id.item_menu1) {
    //            return true;
    //        }
    //        return super.onOptionsItemSelected(item);
    //    }
    }