Couldn‘t find meta-data for provider with authority com.wust.camerademo

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报错信息

Couldn't find meta-data for provider with authority com.wust.camerademo

 

报错原因

androidManifest.xml 清单文件中未注册 provider

解决方法

第一步:在 AndroidManifest.xml 中配置 provider

<provider
            android:name="androidx.core.content.FileProvider"
            android:authorities="com.wust.camerademo"
            android:exported="false"
            android:grantUriPermissions="true">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/file_paths" />
</provider>

第二步:res/xml/file_paths.xml编写配置信息

<paths xmlns:android="http://schemas.android.com/apk/res/android">
    <!--files-path  相当于 getFilesDir()-->
    <files-path name="my_images" path="images"/>
    <!--cache-path  相当于 getCacheDir()-->
    <cache-path name="lalala" path="cache_image"/>
    <!--external-path  相当于 Environment.getExternalStorageDirectory()-->
    <external-path  name="external-path" path="senseone"/>
    <!--external-files-path  相当于 getExternalFilesDir("") -->
    <external-files-path name="paly" path="freeSoft"/>
    <!--external-cache-path  相当于 getExternalCacheDir() -->
    <external-cache-path  name="lei" path="."/>
    ...
</paths>

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