Jar package game renaming and "invalid JAR file" SOLUTION

The Java game installation package downloaded for the smartphone is too long after it is installed. If you want to change it, open the jar package with WinRAR and findMETA-INF/manifest. MF,

Modify with notepadMIDlet-1AndMIDlet-nameAnd then use WinRAR to put back the jar package.

 

I thought it would have been modified in this way. Which of the following statements is displayed: "the JAR file is invalid...

The problem must be solved.META-INF/manifest. MF, Open the file with uestudio, and then save as, note the format select "UTF-8 without Bom", re-put the jar package. Test OK!