/**
**1. Gradle version in alpha mode would not allow the app installed in real device.
We face the problem of App not installed into the physical device.
**/
//This is due to of you chnage the gradle version For example in my case
Error:Could not initialize class com.android.ide.common.util.ReadWriteProcessLock after updating to A.S. 2.4
classpath 'com.android.tools.build:gradle:2.4.0-alpha6'
to
classpath 'com.android.tools.build:gradle:2.3.1'
For stop the gradlew:
bhavdip@CS03:~/Music/Pravago/sourcecode/pravagodriver-android$ ./gradlew --stop