ActivityInstrumentationTestCase2和android库项目：资源加载失败
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我有以下设置：
LibProjectWithActivity-一个包含PreviewActivity的Android库项目
AppProject-使用LibProjectWithActivity的常规Android项目
AppProjectTest-一个Android JUnit测试项目，它是一个ActivityInstumentationTestCase2
首先：所有基本依赖项都已正确设置，因为我可以在模拟器中完美启动我的应用程序，它显示PreviewActivity正常，一切正常-这里没有问题。
但是我无法启动测试...这是安装程序：
public class PreviewActivityTest
extends ActivityInstrumentationTestCase2<PreviewActivity> {
public PreviewActivityTest() {
// note: if i put \"com.the7art.libprojectwithactivity\" instead it wont find it
// and will fail with \"activity not found\"
super(\"com.the7art.appproject\", PreviewActivity.class);
}
public void testDummy() {
getActivity();
}
}
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.the7art.appproject/com.the7art.libprojectwithactivity.PreviewActivity}: java.lang.NullPointerException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
.......
Caused by: java.lang.NullPointerException
at com.the7art.libprojectwithactivity.PreviewActivity.onCreate(PreviewActivity.java:37)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
... 11 more
mButtonAdd = (Button) findViewById(R.id.button_add);
mButtonAdd.setOnClickListener(this);
没有找到相关结果
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