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Be aware while Posting photo from a native ShareDialog in Facebook android SDK

Add the content provider to your manifest.
<provider 
android:name="com.facebook.NativeAppCallContentProvider"
android:authorities="com.facebook.app.NativeAppCallContentProvider{Facebook-App-Id}" android:exported="true" />


Make sure exported=true (as above)
Example:
<provider android:name="com.facebook.NativeAppCallContentProvider"
android:authorities="com.facebook.app.NativeAppCallContentProvider123456" android:exported="true" />


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