The first method: install the JAVA environment and search directly online.

The second method: Download the decompilation software Apktool and the signature software AndroidResEdit, put the APK to be modified in the decompressed Apktool software, decompile, a folder will appear, enter the file and find the following For files with the suffix smali, open them with Notepad and modify them after seeing the APK game resolution.

The third method: repackage the modified file into APK format, use the signature software AndroidResEdit to sign after packaging, and then install and test.