Duplicate files copied in APK META-INF/DEPENDENCIES

解决办法：

在build.gradle里边添加如下

android {    packagingOptions {        exclude 'META-INF/DEPENDENCIES'        exclude 'META-INF/LICENSE'        exclude 'META-INF/LICENSE.txt'        exclude 'META-INF/license.txt'        exclude 'META-INF/NOTICE'        exclude 'META-INF/NOTICE.txt'        exclude 'META-INF/notice.txt'        exclude 'META-INF/ASL2.0'    }}