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Flutter AndroidManifest Error

I just ported a project built in an earlier version of Flutter and Android studio to a new machine and updated software. When attempting to build my Android project in the emulator, I'm getting the following error...

  • What went wrong: Execution failed for task ':app:processDebugManifest'.

    Manifest merger failed : Attribute meta-data#[email protected] value=(25.4.0) from [com.android.support:appcompat-v7:25.4.0] AndroidManifest.xml:28:13-35 is also present at [com.android.support:support-v4:26.1.0] AndroidManifest.xml:28:13-35 value=(26.1.0). Suggestion: add 'tools:replace="android:value"' to element at AndroidManifest.xml:26:9-28:38 to override.

This is what my Manifest looks like...

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.yourcompany.myfavkpopflutterexample"
 xmlns:tools="http://schemas.android.com/tools"
>

<uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21" />

<!-- The INTERNET permission is required for development. Specifically,
     flutter needs it to communicate with the running application
     to allow setting breakpoints, to provide hot reload, etc.
-->
<uses-permission android:name="android.permission.INTERNET"/>

<!-- io.flutter.app.FlutterApplication is an android.app.Application that
     calls FlutterMain.startInitialization(this); in its onCreate method.
     In most cases you can leave this as-is, but you if you want to provide
     additional functionality it is fine to subclass or reimplement
     FlutterApplication and put your custom class here. -->
<application android:name="io.flutter.app.FlutterApplication" android:label="myfavkpopflutter_example" android:icon="@mipmap/ic_launcher">
    <activity android:name=".MainActivity"
              android:launchMode="singleTop"
              android:theme="@android:style/Theme.Black.NoTitleBar"
              android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
              android:hardwareAccelerated="true"
              android:windowSoftInputMode="adjustResize">
        <meta-data
                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                tools:replace="android:value"
                android:value="true" />
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>
</application>

I've added the suggested tools:replace="android:value" and I'm still getting same error. I've seen similar questions that was Android Studio only. I'm adding this to SO because I think it may be related to my Flutter build.

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Answer

I have the same problem too. I resolved the problem by applying the suggestion in error message. Adding tools:replace="android:label" in (\android\app\src\main\AndroidManifest.xml) add tools:replace="android:label" like this:

<application
    tools:replace="android:label"
    android:name="io.flutter.app.FlutterApplication"
    android:label="flutterwp" 
    android:icon="@mipmap/ic_launcher">

and don't forget add tools like this:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.wp"
xmlns:tools="http://schemas.android.com/tools">
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source: stackoverflow.com
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