How can I check the system version of Android

Question

Does anyone know how can I check the system version  e g  1 0  2 2  etc   programatically

User · Answer

Build VERSION RELEASE    That will give you the actual numbers of your version  aka 2 3 3 or 2 2  The problem with using Build VERSION SDK INT is if you have a rooted phone or custom rom  you could have a none standard OS  aka my android is running 2 3 5  and that will return a null when using Build VERSION SDK INT so Build VERSION RELEASE will work no matter what

User · Answer

if  Build VERSION SDK INT  gt   ApiHelper VERSION CODES HONEYCOMB MR2      do anything you  like

User · Answer

Build Version is the place go to for this data  Here is a code snippet for how to format it    public String getAndroidVersion         String release   Build VERSION RELEASE      int sdkVersion   Build VERSION SDK INT      return  Android SDK      sdkVersion          release           Looks like this  Android SDK  19  4 4 4

User · Answer

For checking device version which is greater than or equal to Marshmallow  use this code   if  android os Build VERSION SDK INT  gt   android os Build VERSION CODES M            for ckecking others just change the VERSION CODES like  K for kitkat  L for loolipop N for Nougat and so on

User · Answer

Check android os Build VERSION         CODENAME  The current development codename  or the string  REL  if this is a release build    INCREMENTAL   The internal value used by the underlying source control to represent this build    RELEASE   The user-visible version string

User · Answer

Be aware that Build VERSION SDK INT isn t reliable  it s mentioned by  Falcon165o and recently I ran into that one too   So to get the String data  based on Android version list  of currently installed android  I made a code like this   Java    Current Android version data public static String currentVersion        double release Double parseDouble Build VERSION RELEASE replaceAll     d      d          1         String codeName  Unsupported    below Jelly bean OR above Oreo     if release gt  4 1  amp  amp  release lt 4 4 codeName  Jelly Bean       else if release lt 5 codeName  Kit Kat       else if release lt 6 codeName  Lollipop       else if release lt 7 codeName  Marshmallow       else if release lt 8 codeName  Nougat       else if release lt 9 codeName  Oreo       return codeName   v  release    API Level    Build VERSION SDK INT      Kotlin  fun currentVersion    String       val release   java lang Double parseDouble java lang String Build VERSION RELEASE  replaceAll     d      d           1        var codeName    Unsupported   below Jelly bean OR above Oreo     if  release  gt   4 1  amp  amp  release  lt  4 4   codeName    Jelly Bean      else if  release  lt  5  codeName    Kit Kat      else if  release  lt  6  codeName    Lollipop      else if  release  lt  7  codeName    Marshmallow      else if  release  lt  8  codeName    Nougat      else if  release  lt  9  codeName    Oreo      return codeName     v    release      API Level      Build VERSION SDK INT     Example of an output it produce      Marshmallow v6 0  API Level  23

User · Answer

I can t comment on the answers  but there is a huge mistake in Kaushik s answer  SDK INT is not the same as system version but actually refers to API Level   if Build VERSION SDK INT  gt   Build VERSION CODES ICE CREAM SANDWICH         this code will be executed on devices running ICS or later     The value Build VERSION CODES ICE CREAM SANDWICH equals 14  14 is the API level of Ice Cream Sandwich  while the system version is 4 0  So if you write 4 0  your code will be executed on all devices starting from Donut  because 4 is the API level of Donut  Build VERSION CODES DONUT equals 4    if Build VERSION SDK INT  gt   4 0         this code will be executed on devices running on DONUT  NOT ICS  or later     This example is a reason why using  magic number  is a bad habit

User · Answer

You can find out the Android version looking at Build VERSION   The documentation recommends you check Build VERSION SDK INT against the values in Build VERSION CODES   This is fine as long as you realise that Build VERSION SDK INT was only introduced in API Level 4  which is to say Android 1 6  Donut    So this won t affect you  but if you did want your app to run on Android 1 5 or earlier then you would have to use the deprecated Build VERSION SDK instead

User · Answer

Example how to use it   if  android os Build VERSION SDK INT  gt   android os Build VERSION CODES GINGERBREAD            only for gingerbread and newer versions

User · Answer

Use This method    public static String getAndroidVersion             String versionName                try                versionName   String valueOf Build VERSION RELEASE             catch  Exception e                e printStackTrace                      return versionName

User · Answer

For example  a feature only works for api21 up the following we fix bugs in api21 down      if Build VERSION SDK INT  gt   21          only api 21 above      else       only api 21 down

User · Answer

Given you have bash on your android device  you can use this bash function    function androidCodeName       androidRelease   getprop ro build version release      androidCodeName   getprop ro build version codename         Time  androidRelease  x10 to test it as an integer     case  androidRelease in          0-9   0-9   0-9   0-9    0-9   0-9   0-9    androidRelease   echo  androidRelease   cut -d  -f1-2   tr -d               0-9    androidRelease   echo  androidRelease   sed  s    0               0-9   androidRelease   0        esac        -n   androidRelease     amp  amp     androidCodeName   REL    amp  amp          Do not use  androidCodeName  when it equals to  REL  but infer it from  androidRelease          androidCodeName            case  androidRelease in         10  androidCodeName  NoCodename           11  androidCodeName   Petit Four            15  androidCodeName  Cupcake           20 21  androidCodeName  Eclair           22  androidCodeName  FroYo           23  androidCodeName  Gingerbread           30 31 32  androidCodeName  Honeycomb           40  androidCodeName   Ice Cream Sandwich            41 42 43  androidCodeName   Jelly Bean            44  androidCodeName  KitKat           50 51  androidCodeName  Lollipop           60  androidCodeName  Marshmallow           70 71  androidCodeName  Nougat           80 81  androidCodeName  Oreo           90  androidCodeName  Pie           100  androidCodeName  ToBeReleased              androidCodeName unknown           esac           echo  androidCodeName

User · Answer

use this class  import android os Build          Created by MOMANI on 2016 04 14      public class AndroidVersionUtil       public static int getApiVersion             return android os Build VERSION SDK INT             public static boolean isApiVersionGraterOrEqual int thisVersion            return android os Build VERSION SDK INT  gt   thisVersion

[android] How can I check the system version of Android?

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