I have developed an Android application build using API 13 and min-sdk also API 13. I want to incorporate the swiping across the tabs, and for the purpose I am using v4 support library.

I have following questions,

  1. Which support library I should use v4 or v13?
  2. Should I change the target to API 14? More importantly how do I decide, which should be my targeted API to compile against?
android android-support-library
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