Execution failed for task ':processArmv7DebugManifest'.
> Manifest merger failed : Attribute meta-data#android.support.VERSION@value value=(25.3.1) from [com.android.support:appcompat-v7:25.3.1] AndroidManifest.xml:27:9-31
        is also present at [com.android.support:support-v4:26.0.0-alpha1] AndroidManifest.xml:27:9-38 value=(26.0.0-alpha1).
        Suggestion: add 'tools:replace="android:value"' to <meta-data> element at AndroidManifest.xml:25:5-27:34 to override.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
Error: cmd: Command failed with exit code 1 Error output:
D:\work\cordova\work\demo\platforms\android\AndroidManifest.xml:27:9-31 Error:
        Attribute meta-data#android.support.VERSION@value value=(25.3.1) from [com.android.support:appcompat-v7:25.3.1] AndroidManifest.xml:27:9-31
        is also present at [com.android.support:support-v4:26.0.0-alpha1] AndroidManifest.xml:27:9-38 value=(26.0.0-alpha1).
        Suggestion: add 'tools:replace="android:value"' to <meta-data> element at AndroidManifest.xml:25:5-27:34 to override.

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':processArmv7DebugManifest'.
> Manifest merger failed : Attribute meta-data#android.support.VERSION@value value=(25.3.1) from [com.android.support:appcompat-v7:25.3.1] AndroidManifest.xml:27:9-31
        is also present at [com.android.support:support-v4:26.0.0-alpha1] AndroidManifest.xml:27:9-38 value=(26.0.0-alpha1).
        Suggestion: add 'tools:replace="android:value"' to <meta-data> element at AndroidManifest.xml:25:5-27:34 to override.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

解决方案：修改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 '25.3.1'
            }
        }
    }
}