DexArchiveMergerException,Could not resolve all files for configuration,Failed to resolve: com.githu
目录
java.lang.RuntimeException:com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex
Could not resolve all files for configuration ':app:debugCompileClasspath'.> Could not find com.android.support:appcompat-v7:26.0.2.
ERROR: Failed to resolve: com.github.z2wenfa:SpinnerEditText:1.0.1
java.lang.RuntimeException:com.android.builder.dexing.DexArchiveMergerException: Unable to merge dex
这就是你的build.gradle (app) 里面依赖的问题，好好看看你的修改，实在不行，会退下代码看看区别，在加入依赖，有可能是你的误操作，删除了某个小符号，你没看到罢了。
Could not resolve all files for configuration ':app:debugCompileClasspath'.
> Could not find com.android.support:appcompat-v7:26.0.2.
Could not resolve all files for configuration ':app:debugCompileClasspath'.
> Could not find com.android.support:appcompat-v7:26.0.2.
Searched in the following locations:
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.pom
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.jar
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.pom
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/google/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.jar
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.pom
file:/C:/Users/Administrator/AppData/Local/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.jar
https://jcenter.bintray.com/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.pom
https://jcenter.bintray.com/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.jar
https://jitpack.io/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.pom
https://jitpack.io/com/android/support/appcompat-v7/26.0.2/appcompat-v7-26.0.2.jar
这里的错误是说明：这个com.android.support:appcompat-v7:26.0.2.找不到，导致他下面恶的 很多的东西找不到；android studio 在本地SDK中找不到
在project中增加：
maven {
url "https://maven.google.com"
}
或者：google()
ERROR: Failed to resolve: com.github.z2wenfa:SpinnerEditText:1.0.1
在project中增加：maven { url 'https://jitpack.io' }