Tab icons compatibility between API level 3 and >=5
问题 My application uses tabs and it is built on top of SDK Level 3 (Android 1.5). Google mentions that tab icons "changed drastically" in Android 2.0, so they recommend making two sets of icons, one for < level 5 and another for >= level 5, and set the android:targetSdkVersion to 5 in the application manifest (see http://developer.android.com/guide/practices/ui_guidelines/icon_design_tab.html). BUT this attribute was introduced in API Level 4, so there is no way to declare it because I'm on API