issue: add 'tools:replace="android:value"'

Error:Execution failed for task ':app:processDebugManifest'.
> Manifest merger failed : Attribute meta-data#android.support.VERSION@value value=(25.3.1) from [com.android.support:cardview-v7:25.3.1] AndroidManifest.xml:24:9-31
    is also present at [com.android.support:appcompat-v7:26.0.0-alpha1] AndroidManifest.xml:27:9-38 value=(26.0.0-alpha1).
    Suggestion: add 'tools:replace="android:value"' to element at AndroidManifest.xml:22:5-24:34 to override.




瘋了....android studio 一直出現此問題.

solution:
Fortunately you can force a specific support library version.
Put this at the end of your app module build.gradle:

configurations.all {
    resolutionStrategy.eachDependency { DependencyResolveDetails details ->
        def requested = details.requested
        if (requested.group == 'com.android.support') {
            if (!requested.name.startsWith("multidex")) {
                details.useVersion '25.3.0'
            }
        }
    }
}

就可以了.