Android：添加Firebase消息传递--Menifest合并失败

Question

implementation 'com.google.firebase:firebase-messaging:19.0.0'

ERROR: Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91
is also present at [androidx.core:core:1.0.0] AndroidManifest.xml:22:18-86 value=(androidx.core.app.CoreComponentFactory).
Suggestion: add 'tools:replace="android:appComponentFactory"' to <application> element at AndroidManifest.xml:15:5-71:19 to override.

 Manifest merger failed with multiple errors, see logs

Error: tools:replace specified at line:15 for attribute android:appComponentFactory, but no new value specified app main manifest (this file), line 14

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
    implementation project(path: ':bluefire-api-v25.5')
    implementation "com.jakewharton:butterknife:8.5.1"
    annotationProcessor "com.jakewharton:butterknife-compiler:8.8.1"
    implementation 'com.myhexaville:smart-image-picker:1.0.4'
    implementation 'com.github.gcacace:signature-pad:1.2.1'

    implementation 'com.squareup.retrofit2:retrofit:2.5.0'
    implementation 'com.squareup.retrofit2:converter-gson:2.4.0'

    implementation 'com.android.support:recyclerview-v7:28.0.0'

    implementation 'com.google.firebase:firebase-core:16.0.9'
    implementation 'com.google.firebase:firebase-messaging:19.0.0'
}

我陷入了死胡同。思想？

Answer 1

若要解决问题，请按照以下步骤进行：

>

打开您的AndroidManifest.xml

Ide底部有一个名为“合并清单”的选项卡。打开它。

这将在左边列出合并的清单，在右边列出它们的来源。

当您面临明显的“合并失败”错误时，您将看到一些合并错误。