我的清单中有以下FileProvider:
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="com.android.provider.DataSharing-1"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/paths"/>
</provider>
应用启动时出现以下异常:
java.lang.RuntimeException: Unable to get provider android.support.v4.content.FileProvider: java.lang.IllegalArgumentException: Name must not be empty
at android.app.ActivityThread.installProvider(ActivityThread.java:4793)
at android.app.ActivityThread.installContentProviders(ActivityThread.java:4385)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4325)
at android.app.ActivityThread.access$1500(ActivityThread.java:135)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalArgumentException: Name must not be empty
at android.support.v4.content.FileProvider$SimplePathStrategy.addRoot(FileProvider.java:644)
at android.support.v4.content.FileProvider.parsePathStrategy(FileProvider.java:587)
at android.support.v4.content.FileProvider.getPathStrategy(FileProvider.java:534)
at android.support.v4.content.FileProvider.attachInfo(FileProvider.java:352)
at android.app.ActivityThread.installProvider(ActivityThread.java:4790) ...
我该如何解决?我在哪里错过了指定名字的机会?
编辑:
res / xml / paths.xml
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<files-path android:name="my_images" android:path="images/"/>
</paths>
android:
从paths.xml
文件的属性中删除前缀。它应该看起来像:
<paths xmlns:android="http://schemas.android.com/apk/res/android">
<files-path name="my_images" path="images/"/>
</paths>
(而且您可能也可以摆脱xmlns:android
一点,因为它没有被使用,尽管我将它放在我的其中一个中,也许是因为Eclipse在创建文件时将其放在了那里...)
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