| | |
| | | } |
| | | return ""; |
| | | } |
| | | |
| | | |
| | | /** |
| | | * check the system is harmony os |
| | | * |
| | | * @return true if it is harmony os |
| | | */ |
| | | public static boolean isHarmonyOS() { |
| | | try { |
| | | Class clz = Class.forName("com.huawei.system.BuildEx"); |
| | | Method method = clz.getMethod("getOsBrand"); |
| | | return "harmony".equals(method.invoke(clz)); |
| | | } catch (ClassNotFoundException e) { |
| | | Log.e(TAG, "occured ClassNotFoundException"); |
| | | } catch (NoSuchMethodException e) { |
| | | Log.e(TAG, "occured NoSuchMethodException"); |
| | | } catch (Exception e) { |
| | | Log.e(TAG, "occur other problem"); |
| | | } |
| | | return false; |
| | | } |
| | | |
| | | /** |
| | | * 获取鸿蒙系统版本号 |
| | | */ |
| | | public static String getHarmonyOsVersion() { |
| | | if (isHarmonyOS()) { |
| | | try { |
| | | Class cls = Class.forName("android.os.SystemProperties"); |
| | | Method method = cls.getMethod("get", String.class); |
| | | return method.invoke(cls, "ro.huawei.build.display.id").toString(); |
| | | //android.os.Build.DISPLAY |
| | | } catch ( Exception e) { |
| | | } |
| | | } |
| | | return "-1"; |
| | | } |
| | | |
| | | /** |
| | | * 获取属性 |
| | | * @param property |
| | | * @param defaultValue |
| | | * @return |
| | | */ |
| | | public static String getProp(String property, String defaultValue) { |
| | | try { |
| | | Class spClz = Class.forName("android.os.SystemProperties"); |
| | | Method method = spClz.getDeclaredMethod("get", String.class); |
| | | String value = (String) method.invoke(spClz, property); |
| | | if (TextUtils.isEmpty(value)) { |
| | | return defaultValue; |
| | | } |
| | | return value; |
| | | } catch (Throwable e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return defaultValue; |
| | | } |
| | | } |