Fails to run: `Security exception: Permission Denial: starting Intent` about flutter_barcode_reader HOT 14 CLOSED

I moved the BarcodeScannerActivity below the MainActivity in the AndroidManifest.xml. That fixed the issue for me.
I did not add the exported="true".

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1. android:exported="true"

<intent-filter>
        <action android:name="android.intent.action.MAIN" >
        </action>
    </intent-filter>

Both are required .

<activity
    android:name="com.example.lib.MainActivity"
    android:label="LibMain" 
    android:exported="true">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" >
        </action>
    </intent-filter>
</activity>

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Do you have com.apptreesoftware.barcodescan.BarcodeScannerActivity declared in your AndroidManifest.xml?

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is the uses-permission for the camera there?

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The permissions are there indeed.
But I've found the culprit! After some twiddling around I stumbled upon this SO post: https://stackoverflow.com/questions/19829507/android-java-lang-securityexception-permission-denial-starting-intent.
Adding android:exported="true" to the Activity definition fixed the issue. This should be added to the README I guess.

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@haarts With android:exported="true" my app just launches the barcode scanner. Then I have to press back button then click on the installed icon again

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Try

#32 (comment)

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On running the app from Android Studio (natively), it just runs successfully.

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@dark-chocolate No, the issue arose when dart sdk was updated recently.

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@Pushan-Gupta Did you find any solution?

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@dark-chocolate Yes I did. Check my reference above in the comments.

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@beatzcraft Thanks a lot. Your solution finally worked. Don't know the insane reason (putting it below the MainActivity) but it just worked. Thanks for sharing it. +1

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Solved for me too. +1

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