构造函数UiDevice（）不可见

Question

我收到以下代码的错误消息

import java.util.ArrayList;
import com.android.uiautomator.core.UiDevice;
import com.android.uiautomator.testrunner.UiAutomatorTestCase;

public class TestTarget extends UiDevice {
    TestTarget() {
        super();
    }
    public ArrayList<TestTargetView> testTargetViews;

}