更新到android studio 2.3后，我收到了这个错误消息。我知道这只是一个提示，因为应用程序运行正常，但这真的很奇怪。
所有com.android.support库必须使用完全相同的版本规范（混合版本可能导致运行时崩溃）。找到版本25.1.1、24.0.0。示例包括com.android.support:animatedvector-drawable:25.1.1和com.android.com/support:mediarouter-v7:24.0.0
我的成绩：
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
testCompile 'junit:junit:4.12'
compile 'com.android.support:appcompat-v7:25.1.1'
compile 'com.android.support:support-v4:25.1.1'
compile 'com.android.support:design:25.1.1'
compile 'com.android.support:recyclerview-v7:25.1.1'
compile 'com.android.support:cardview-v7:25.1.1'
compile 'com.google.android.gms:play-services-maps:10.2.0'
compile 'com.google.android.gms:play-services:10.2.0'
compile 'io.reactivex.rxjava2:rxjava:2.0.1'
compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
compile 'com.jakewharton:butterknife:8.4.0'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.4.0'
compile 'com.blankj:utilcode:1.3.6'
compile 'com.orhanobut:logger:1.15'
compile 'com.facebook.stetho:stetho:1.4.2'
provided 'com.google.auto.value:auto-value:1.2'
annotationProcessor 'com.google.auto.value:auto-value:1.2'
annotationProcessor 'com.ryanharter.auto.value:auto-value-parcel:0.2.5'
compile 'com.mikepenz:iconics-core:2.8.2@aar'
compile('com.mikepenz:materialdrawer:5.8.1@aar') { transitive = true }
compile 'com.mikepenz:google-material-typeface:2.2.0.3.original@aar'
compile 'me.zhanghai.android.materialprogressbar:library:1.3.0'
compile 'com.github.GrenderG:Toasty:1.1.1'
compile 'com.github.CymChad:BaseRecyclerViewAdapterHelper:2.8.0'
compile 'com.github.MAXDeliveryNG:slideview:1.0.0'
compile 'com.facebook.fresco:fresco:1.0.1'
compile 'com.github.bumptech.glide:glide:3.7.0'
compile 'com.google.maps.android:android-maps-utils:0.4.4'
compile 'com.github.jd-alexander:library:1.1.0'
}
在搜索和组合答案后，2018年版本的这个问题对我很有用：
1） 在导航选项卡上，将其更改为项目视图
2） 导航到[YourProjectName]/.didea/libraries/
3） 删除以Gradle__com_android_support_[libraryName]开头的所有文件
例如：Gradle__com_android_support_animed_vector_drawable_26__0.xml
4） 在渐变文件中定义一个变量，并使用它来替换版本号，如${variableName}
Def变量：
ext {
support_library_version = '28.0.0' //use the version of choice
}
使用变量：
implementation "com.android.support:cardview-v7:${support_library_version}"
示例渐变：
dependencies {
ext {
support_library_version = '28.0.0' //use the version of choice
}
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation "com.android.support:animated-vector-drawable:${support_library_version}"
implementation "com.android.support:appcompat-v7:${support_library_version}"
implementation "com.android.support:customtabs:${support_library_version}"
implementation "com.android.support:cardview-v7:${support_library_version}"
implementation "com.android.support:support-compat:${support_library_version}"
implementation "com.android.support:support-v4:${support_library_version}"
implementation "com.android.support:support-core-utils:${support_library_version}"
implementation "com.android.support:support-core-ui:${support_library_version}"
implementation "com.android.support:support-fragment:${support_library_version}"
implementation "com.android.support:support-media-compat:${support_library_version}"
implementation "com.android.support:appcompat-v7:${support_library_version}"
implementation "com.android.support:recyclerview-v7:${support_library_version}"
implementation "com.android.support:design:${support_library_version}"
}
我的项目中有这些依赖项：
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.android.support:support-v4:28.0.0'
implementation 'com.android.support:design:28.0.0'
implementation 'com.android.support:support-media-compat:28.0.0'
implementation 'com.google.android.gms:play-services-maps:16.1.0'
implementation 'com.google.firebase:firebase-database:17.0.0'
implementation 'com.google.firebase:firebase-storage:17.0.0'
implementation 'com.google.firebase:firebase-messaging:18.0.0'
implementation 'com.firebaseui:firebase-ui-storage:0.6.0'
到目前为止，似乎没有什么问题，但我得到了这样的信息：
找到版本28.0.0、23.4.0。示例包括com.android.support:动画矢量可绘制：28.0.0和支持：palette-v7:23.4。
然后我做了：
$ ./gradlew -q dependencies app:dependencies --configuration debugAndroidTestCompileClasspath >> dep.txt
在文件中，我搜索了调色板，发现它被firebase存储所使用：
\--- com.firebaseui:firebase-ui-storage:0.6.0
+--- com.android.support:appcompat-v7:23.4.0 -> 28.0.0 (*)
+--- com.android.support:palette-v7:23.4.0
添加后：
implementation 'com.android.support:palette-v7:28.0.0'
似乎已解决，没有更多错误。
//干杯
