android 学习

设置右侧菜单

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.activity_map_menu, menu);
    return true;
}

menu布局文件

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <group>
        <item
            android:id="@+id/menu_map_normal"
            android:title="@string/map_menu_normal"
            app:showAsAction="never" />
        <item
            android:id="@+id/menu_map_satellite"
            android:title="@string/map_menu_satellite"
            app:showAsAction="never" />
        <item
            android:id="@+id/menu_map_none"
            android:title="@string/map_menu_none"
            app:showAsAction="never" />
    </group>
</menu>

menu菜单监听 同toolbar返回监听

@Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                this.finish();
            case R.id.menu_map_normal:
                mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
                break;
            case R.id.menu_map_satellite:
                mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);
                break;
            case R.id.menu_map_none:
                mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NONE);
                break;
            default:
                return true;
        }
        return super.onOptionsItemSelected(item);
}