Android 獲取版本號

As described in the android documentation, the SDK level (integer) the phone is running is available in:
android.os.Build.VERSION.SDK_INT;
The enum corresponding to this int is in the android.os.Build.VERSION_CODES class.

Code example:
int   currentapiVersion=android.os.Build.VERSION.SDK_INT;
if(currentapiVersion >= android.os.Build.VERSION_CODES.FROYO){
         // Do something
}else{
         // do something
}

Note:
This SDK_INT is available since Donut (android 1.6 / API4)
so make sure your application is not retro-compatible with Cupcake (android 1.5 / API3)when you use it or your application will crash(thanks to Programmer Bruce for the precision).
====================================================================================
Build.VERSION_CODES
1 (0x00000001)           Android 1.0             BASE
2 (0x00000002)           Android 1.1             BASE_1_1
3 (0x00000003)           Android 1.5             CUPCAKE
4 (0x00000004)           Android 1.6             DONUT
5 (0x00000005)           Android 2.0             ECLAIR
6 (0x00000006)           Android 2.0.1          ECLAIR_0_1
7 (0x00000007)           Android 2.1             ECLAIR_MR1
8 (0x00000008)           Android 2.2             FROYO
9 (0x00000009)           Android 2.3             GINGERBREAD
10 (0x0000000a)         Android 2.3.3          GINGERBREAD_MR1
11 (0x0000000b)         Android 3.0             HONEYCOMB
12 (0x0000000c)         Android 3.1             HONEYCOMB_MR1
13 (0x0000000d)         Android 3.2             HONEYCOMB_MR2

 

Build.VERSION_CODES

 

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