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Added new article APK_modification

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Dmitriy Shishkov 2025-02-03 02:51:16 +03:00
parent 578106404a
commit 84aa11f7c0
Signed by: dm1sh
GPG Key ID: 027994B0AA357688
2 changed files with 38 additions and 2 deletions
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static/articles/APK_modification/APK_modification.md Normal file
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First, decompile apk file with [apktool](https://apktool.org):
```
apktool d <file_name>.apk
```
Replace assets or edit *Manifesst.xml*. [smali2java](https://github.com/AlexeySoshin/smali2java) can be of use for code modifications.
Recompile apk:
```
apktool b <file_name>
```
Alignment is necessary for modern android versions (I beleave, 30+ SDK):
```
zipalign -v -f -p 4 <file_name>/dist/<file_name>.apk aligned-<file_name>.apk
```
Create a signing key. Fields values do not matter. Especially for personal use.
```
keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 1000
```
Actually sign apk with it:
```
apksigner.jar sign -ks my-release-key.keystore --ks-key-alias alias_name aligned-<file_name>.apk
```
It will overwrite the provided apk with a signed one.
We're awesome!

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