In the previous blog, the problem of egg pain is solved, but the solution is also painful.
You need to right-click the library package in order and export of the project and select the role of order and export, all I know is to package the library package into the APK (I don't know, right ?), Then clean the project, so what is the role of clean? The role of clean is to clear all the previously compiled class files. Run it again.ProgramThe error is no longer included.
Now I want to talk about some experiences before identifying errors. First of all, we need to look for errors to see what they mean. If we cannot find them by experience, we will paste them into Baidu to find some clues, also, do not forget to check the reported exceptions. In fact, you have checked the library package before, but it is because there is no clean. I have also cleaned it before, but I didn't check the library package. In general, it is to check the library package and then clean the project. The clean effect is good! My problem is solved. I don't know how you solve this problem?
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