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Android OptionMenu选项菜单

Android OptionMenu选项菜单

作者: 百里漫步 | 来源:发表于2017-10-23 20:01 被阅读0次

    即menu按钮触发菜单
    动态添加/xml形式
    menu/main.xml

    <menu xmlns:android="http://schemas.android.com/apk/res/android" >
    
        <item
            android:id="@+id/action_menu_item1"
            android:orderInCategory="100"
            android:showAsAction="never"
            android:title="菜单一"/>
    <item
            android:id="@+id/action_menu_item2"
            android:orderInCategory="100"
            android:showAsAction="never"
            android:title="菜单二"/>
    </menu>
    
    

    MainActivity.java

    import android.os.Bundle;
    import android.app.Activity;
    import android.content.Intent;
    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);
            MenuItem item = menu.add(1, 100, 1, "菜单一");
            item.setTitle("aaa");
            item.setIcon(R.drawable.ic_launcher);// api>=11 不显示图标 ,
            menu.add(1, 101, 1, "菜单二");
            menu.add(1, 102, 1, "菜单三");
            menu.add(1, 103, 1, "菜单四");
            menu.add(1, 104, 1, "菜单五");
            menu.add(1, 105, 1, "菜单六");
            menu.add(1, 106, 1, "菜单七");
            return true;
        }
    
        @Override
        public boolean onOptionsItemSelected(MenuItem item) {
            // TODO Auto-generated method stub
            switch (item.getItemId()) {
            case 100:
                Intent intent = new Intent(MainActivity.this, SecondActivity.class);
                item.setIntent(intent);
                break;
    
            case 101:
                Toast.makeText(MainActivity.this, "点击了菜单二", Toast.LENGTH_SHORT)
                        .show();
                break;
            case 102:
                Toast.makeText(MainActivity.this, "点击了菜单三", Toast.LENGTH_SHORT)
                        .show();
                break;
            case 103:
                Toast.makeText(MainActivity.this, "点击了菜单四", Toast.LENGTH_SHORT)
                        .show();
                break;
            case 104:
                Toast.makeText(MainActivity.this, "点击了菜单五", Toast.LENGTH_SHORT)
                        .show();
                break;
            case 105:
                Toast.makeText(MainActivity.this, "点击了菜单六", Toast.LENGTH_SHORT)
                        .show();
                break;
            case 106:
                Toast.makeText(MainActivity.this, "点击了菜单七", Toast.LENGTH_SHORT)
                        .show();
                break;
            }
            return super.onOptionsItemSelected(item);
        }
    }
    
    

    演示效果:


    op.gif

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