问题1：
Error:Execution failed for task ':app:transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: java.lang.RuntimeException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: Error while executing java process with main class com.android.dx.command.Main with arguments {--dex --force-jumbo --num-threads=4 --multi-dex --output C:\Users\Administrator\Desktop\AndroidMVPDemo\app\build\intermediates\transforms\dex\debug\folders\1000\5\slice_7 C:\Users\Administrator\Desktop\AndroidMVPDemo\app\build\intermediates\transforms\instantRunSlicer\debug\folders\1\5\slice_7}
解决方案：
defaultConfig {
multiDexEnabled true //解除限制方法数超了65535
}
问题2：
Error:Execution failed for task ':app:transformClassesWithDexForDebug'.
> com.android.build.api.transform.TransformException: java.lang.RuntimeException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: Error while executing java process with main class com.android.dx.command.Main with arguments {--dex --force-jumbo --num-threads=4 --multi-dex --output C:\Users\Administrator\Desktop\AndroidMVPDemo\app\build\intermediates\transforms\dex\debug\folders\1000\10000\instant-run_ca4635f89a8bcfe2fb5882171f5921d28421ea76 C:\Users\Administrator\Desktop\AndroidMVPDemo\app\build\intermediates\incremental-runtime-classes\debug\instant-run.jar}
解决方案：
去掉Instant Run 勾选
