Android 兼容包不包含 Activity.getFragmentManager()

Android 兼容包与 Activity.getFragmentManager() 的不相容性问题

java
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
public class MainActivity extends FragmentActivity {
    private FragmentManager fragmentManager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // 使用 getSupportFragmentManager() 方法获取 FragmentManager 对象
        fragmentManager = getSupportFragmentManager();
        // 其他操作...
    }
    // 其他方法...
}