Solve the error: error: java.lang.nullpointerexception (no error message)

1、 Analyze the cause

Android studio often has dependencies or configuring related errors, which are generally caused by the conflict between Android gradle plugin version and gradle version and project files.

2、 Solution

Change the appropriate Android gradle plugin version and gradle Version (which version is appropriate may need to be tried)

3、 Specific operation

1. Through file – & gt; Project structure… Enter the project structure interface

2. In the project structure interface, select project, click the lower triangle, and select the program version to be installed

Then click OK, and Android studio will automatically make version changes to Android gradle plugin version and gradle version

Note that : Android gradle plugin version matches gradle version. Refer to the link: https://developer.android.com/studio/releases/gradle-plugin?hl=zh -cn