解决： Couldn‘t find meta-data for provider with authority xxx.fileProvider

解决apk安装出现的这个异常

Couldn't find meta-data for provider with authority 包名.fileProvider

其实这个问题已经跟你指出了错误的地方只要将相关的地方好好排查下就可以发现问题所在。
首先自查下AndroidManifest.xml

<providerandroid:name="androidx.core.content.FileProvider"android:authorities="包名.fileProvider"  //确认此处的包名以及大小写android:exported="false"android:grantUriPermissions="true"><meta-dataandroid:name="android.support.FILE_PROVIDER_PATHS"android:resource="@xml/file_paths" /></provider>

然后看下相关代码

public void installApk(Context context, File file) {if (context == null) {return;}String authority = getApplicationContext().getPackageName() + ".fileProvider";//确保authority 与AndroidManifest.xml中android:authorities="包名.fileProvider"所有字符一致Uri apkUri = FileProvider.getUriForFile(context, authority, file);Intent intent = new Intent(Intent.ACTION_VIEW);intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);//判读版本是否在7.0以上if (Build.VERSION.SDK_INT >= 24) {intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);intent.setDataAndType(apkUri, "application/vnd.android.package-archive");} else {intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive");}Log.i("DOWNLOAD", "installApk() startActivity(intent)");context.startActivity(intent);finish();}

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解决： Couldn‘t find meta-data for provider with authority xxx.fileProvider

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