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I want to make changes in my old version code that is in API level 7 I need to add navigation sliding bar like google play store has and add FAB button in it My question is

Q-1) If I add this FAB to my old code will my app crash?

Q-2) Is there any way to make my old version code to run on other version of android i.e highest version of android?

Community
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Gurleen kaur
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I have run my code for API level 8 in android studio, And I still Use to develop a legacy project on API level 8 and above. By theoretically API 7 should support, Try it. or you can set the compile level of your app as API 8 keeping the lowest version allowed to 7 and it should work.

Shashi kant Singh
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  • i had already run my old version code in android studio, but it shows the gradle error and its not only that i need to add FAB and navigation bar in that code which is supported in higher level of android i.e. API level 21 or more than that .... so can i do those changes to my old version code? – Gurleen kaur Nov 05 '15 at 07:08
  • I am not getting error now i just updated and intsalled the low level API in SDK manager and edited the manifest file with to it just show warning now... – Gurleen kaur Nov 05 '15 at 08:09
  • error i get is my some .xml files dont get open in AVD or in design phase – Gurleen kaur Nov 05 '15 at 11:00
  • @Shashi kant Singh Do you have maybe an example project for your API Level 8? like an Android Studio Hello World maybe? I am developing an app for an embedded infotaiment system that has Android 2.2 Because the lowest api I can go if I create a new project in Android Studio 2021 is API Level 16 – LimetaPeta Mar 14 '23 at 19:53