2. At this point, the file becomes a zip package. You can decompress this compressed package, open this decompressed file, and you will see many things that make up the program file, and then simply modify the program according to the online tutorial.
(Of course, it won't be like this if you want to decompile, but direct decompression can modify many things. It is suggested that it is more convenient to complete the modification operation on the computer side, and then recompress these files into zip format after modification.
3. Download and install the ZipSigner mobile phone signature tool and open it.
4. Click Enter, browse the file directory and find the zip file that has just been modified and recompressed. You can change its name in the output options, and then click Sign. The mode is auto-testkey, and the signature will not be completed in one minute.
Apk file structure:
1, META-INF\ (note: it is often seen in Jar files).
2.res\ (Note: the directory where the resource files are stored).
3.AndroidManifest.xml (note: program global configuration file).
4.classes.dex (note: Dalvik bytecode).
5.resources.arsc (note: compiled binary resource file).