Flutter release apk app not installed

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Problem:

Flutter release APK app not installed

Solution:

When you try to install a Flutter release APK on your Android device and encounter the error “App not installed,” there could be several reasons behind it. Here are some possible reasons and their solutions:

  1. Conflicting package name:

    Make sure the package name of your release APK is different from any other app installed on your device. Android does not allow multiple apps with the same package name to coexist.

    Example: Let’s say you have an app with a package name “com.example.myapp” already installed on your device. If your release APK also uses the same package name, it will conflict. Change the package name in your Flutter project’s AndroidManifest.xml file.

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapp" >
    ...
</manifest>
  2. Incompatible architecture:

    Ensure that the release APK you generated is compatible with the architecture of your Android device. Flutter supports different ABIs (Application Binary Interfaces) like armeabi-v7a, arm64-v8a, x86, etc. If you try to install an APK with an incompatible ABI, the installation will fail.

    Example: Consider you have an x86-based Android device, but the release APK you generated only supports armeabi-v7a architecture. In this case, you need to generate a release APK that supports the x86 architecture as well.

  3. Insufficient permissions:

    Double-check if your release APK requires any permissions and ensure that they are correctly declared in the AndroidManifest.xml file. Without proper permissions, the installation may fail.

    Example: If your app requires access to the device’s camera, you need to declare the android.permission.CAMERA permission in the AndroidManifest.xml file.

    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.myapp" >
    ...
    <uses-permission android:name="android.permission.CAMERA" />
</manifest>

By addressing these potential issues, you should be able to install your Flutter release APK without encountering the “App not installed” error.

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