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I have googled merely found below:

Are unaligned android APK's the same as unsigned APK? need to generate release apk that is unsigned

Only put emphasis on the differences but not Similarities .

Any explanation is appreciated!

Chuanhang.gu
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2 Answers2

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The unaligned Apk is an intermediate Apk.

When we run app, first, the unaligned apk is generated. after that , the unaligned apk gets aligned and produces the aligned apk which is the your app-debug.apk.

For more information read documentaion click here

Nitin Karande
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Unaligned APK refers to how the data is structured within the APK (zip file). A utility called zipalign modifies the APK to align data in a way that is optimized for readers. Unaligned simply skips the zipalign stage. It has nothing to do with APK signing. The unaligned apk is just an intermediate apk. First, the unaligned apk is generated. Then, the unaligned apk gets aligned and produces the aligned apk which is the app-debug.apk.

Signing Android apps is just like signing any other application; it provides the user with some level of assurance that the code hasn't been tampered with since you released it.

"Unsigned apps" should be usable generally but do require lowering the security level.

For more details :- Are unaligned android APK's the same as unsigned APK? need to generate release apk that is unsigned

Difference between app-debug.apk and app-debug-unaligned.apk

why unaligned apk is needed?

Community
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Priya Jagtap
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  • You answer is right,but not I wanted.You not show their relationship.Align process is before sign process.Thank you same time. – Chuanhang.gu Nov 23 '16 at 07:50