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

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0
        PackageInfo 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;
}

       // 指定包名
//        String packageName = "com.example.gxcameracapture";
        String packageName = "com.example.gxcontrol";

        try {
            PackageManager pm = getPackageManager();
            // 获取包信息，第一个参数是包名，第二个参数是标志位
            PackageInfo packageInfo = pm.getPackageInfo(packageName, 0);
            // 输出应用程序版本号
            int versionCode = packageInfo.versionCode;
            String versionName = packageInfo.versionName;
            Log.i("AppInfo", "Package Name: " + packageName);
            Log.i("AppInfo", "Version Code: " + versionCode);
            Log.i("AppInfo", "Version Name: " + versionName);
            // 更多的PackageInfo字段可以被查询和使用

        } catch (PackageManager.NameNotFoundException e) {
            Log.e("AppInfo", "Package not found: " + packageName);

        }