com.android.ide.common.process.ProcessException:org.gradle.process.internal.ExecException: Process 'command 'C:\Program Files\Java\jdk1.8.0\bin\java.exe'' finished with non-zero exit value 2出错原因：导包重复，同时导入了v4和v7包，可以在libs中删除冲突的包，然后检查module的build.gradle中的dependencies，看是否真正删除