如何在外部 jar 中引用布局文件

Question

我创建了 android lib jar，并将 lib 文件夹放在我的测试应用程序中，我在 jar 文件中启动了一个活动，但出现以下错误

10-22 00:14:59.349: E/AndroidRuntime(670): FATAL EXCEPTION: main
10-22 00:14:59.349: E/AndroidRuntime(670): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.testapplication/com.example.test.MainActivity}: android.content.res.Resources$NotFoundException: File res/drawable-hdpi/ic_launcher.png from xml type layout resource ID #0x7f020000
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread.access$1500(ActivityThread.java:117)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.os.Handler.dispatchMessage(Handler.java:99)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.os.Looper.loop(Looper.java:130)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread.main(ActivityThread.java:3683)
10-22 00:14:59.349: E/AndroidRuntime(670):  at java.lang.reflect.Method.invokeNative(Native Method)
10-22 00:14:59.349: E/AndroidRuntime(670):  at java.lang.reflect.Method.invoke(Method.java:507)
10-22 00:14:59.349: E/AndroidRuntime(670):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
10-22 00:14:59.349: E/AndroidRuntime(670):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-22 00:14:59.349: E/AndroidRuntime(670):  at dalvik.system.NativeStart.main(Native Method)
10-22 00:14:59.349: E/AndroidRuntime(670): Caused by: android.content.res.Resources$NotFoundException: File res/drawable-hdpi/ic_launcher.png from xml type layout resource ID #0x7f020000
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.Resources.loadXmlResourceParser(Resources.java:1916)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.Resources.loadXmlResourceParser(Resources.java:1871)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.Resources.getLayout(Resources.java:731)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.view.LayoutInflater.inflate(LayoutInflater.java:318)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
10-22 00:14:59.349: E/AndroidRuntime(670):  at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:207)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.Activity.setContentView(Activity.java:1657)
10-22 00:14:59.349: E/AndroidRuntime(670):  at com.example.test.MainActivity.onCreate(MainActivity.java:12)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
10-22 00:14:59.349: E/AndroidRuntime(670):  ... 11 more
10-22 00:14:59.349: E/AndroidRuntime(670): Caused by: java.io.FileNotFoundException: Corrupt XML binary file
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.AssetManager.openXmlAssetNative(Native Method)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.AssetManager.openXmlBlockAsset(AssetManager.java:486)
10-22 00:14:59.349: E/AndroidRuntime(670):  at android.content.res.Resources.loadXmlResourceParser(Resources.java:1898)
10-22 00:14:59.349: E/AndroidRuntime(670):  ... 20 more

请帮我解决这个问题，对不起我的英语不好

Answer 1

您无法将库导出到 jar 中，因为您无法将资源放入 jar 中。这就是您获得Resources#NotFoundException 的原因。 docs 是这么说的：

您不能将库项目导出到独立的 JAR 文件，因为 你会为一个真正的图书馆做的。相反，您必须编译库 间接地，通过引用依赖应用程序中的库 并构建该应用程序。