String androidID = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
mDevID = TextUtils.isEmpty(androidID) ? android.os.Build.SERIAL : androidID;

Android API Level对应Android版本一览表

2018年01月03日 11:53:43

 

API Level	Android版本
28	9
27	8.1
26	8.0
25	7.1.1
24	7.0
23	6.0
22	5.1.1
21	5.0.1
20	4.4w.2
19	4.4.2
18	4.3.1
17	4.2.2
16	4.1.2
15	4.0.3
14	4.0
10	2.3
8	2.2

 

获取当前手机Android版本代码：

Build.VERSION.SDK_INT=API Level;

 

 

private String getVersionCode(Context context) {// 包管理器 可以获取清单文件信息PackageManager packageManager = context.getPackageManager();try {// 获取包信息// 参1 包名 参2 获取额外信息的flag 不需要的话 写0PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);return packageInfo.versionName;} catch (PackageManager.NameNotFoundException e) {e.printStackTrace();}return "";
}

 

private static Context sContext;
sContext = getApplicationContext();public static Context getAppContext() {return sContext;
}
public static int getPackageVersionCode() {PackageManager packageManager = App.getAppContext().getPackageManager();try {PackageInfo packageInfo =packageManager.getPackageInfo(App.getAppContext().getPackageName(), 0);return packageInfo.versionCode;} catch (PackageManager.NameNotFoundException e) {e.printStackTrace();}return 0;
}