尽管有很多例子表明这样的事情应该可以工作,但下面的代码失败了。此代码位于与实际项目关联的测试项目中。
public class MyTest extends ActivityInstrumentationTestCase2<MyActivity> {
public MyTest(String name)
{
super("com.mypackage.activities", MyActivity.class);
setName(name);
}
public void testTap() throws Throwable
{
//Required by MotionEvent.obtain according to JavaDocs
long downTime = SystemClock.uptimeMillis();
long eventTime = SystemClock.uptimeMillis();
Instrumentation i = getInstrumentation();
//Setup the info needed for our down and up events to create a tap
MotionEvent downEvent = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_DOWN, 300, 20, 0);
MotionEvent upEvent = MotionEvent.obtain(downTime, eventTime, MotionEvent.ACTION_UP, 300, 20, 0);
//Send the down/up tap event
i.sendPointerSync(downEvent);
i.sendPointerSync(upEvent);
//Delay to see the results
Thread.currentThread().sleep(3000);
}
}
这将引发 java.lang.SecurityException: Injecting to another application requires INJECT_EVENTS 对 i.sendPointerSync() 调用的权限。我也试过 view.onTouchEvent(event) 和 view.dispatchTouchEvent(event) 没有成功。
我唯一能想到的是,如果这个工作的例子在被测试的项目中生活。这似乎很糟糕,因为建议是将测试分开到不同的项目,并能够从构建服务器运行它们,例如:
adb -e shell am instrument -w com.mypackage.activities.test/android.test.InstrumentationTestRunner