完美解决ERROR:EXECUTION FAILED FOR TASK ´:APP:TRANSFORMCLASSESWITHDEXFORDEBUG´的问题

如果还是有问题就可以使用如下配置来解决问题
defaultConfig {
...
minSdkVersion 14
targetSdkVersion 21
...

//Enabling multidex support.
multiDexEnabled true
}
dependencies {
compile ´com.android.support:multidex:1.0.0´
}