Merge pull request #77 from weifengzz/MIUtils_branch

修改MIUIUtils类中isMIUI方法android 8.0以上异常

Author: wonday

android/src/main/java/org/wonday/aliyun/push/AliyunPushModule.java

@@ -91,7 +91,7 @@ public void getDeviceId(final Promise promise) {
     @ReactMethod
     public void setApplicationIconBadgeNumber(int badgeNumber, final Promise promise) {
 
-        if (MIUIUtils.isMIUI()) { //小米特殊处理
+        if (MIUIUtils.isMIUI(getReactApplicationContext())) { //小米特殊处理
             FLog.d(ReactConstants.TAG, "setApplicationIconBadgeNumber for xiaomi");
 
             if (badgeNumber==0) {
@@ -260,7 +260,7 @@ public void onHostResume() {
     public void onHostPause() {
 
         //小米特殊处理, 处于后台时更新角标， 否则会被系统清除，看不到
-        if (MIUIUtils.isMIUI()) {
+        if (MIUIUtils.isMIUI(getReactApplicationContext())) {
             FLog.d(ReactConstants.TAG, "onHostPause:setBadgeNumber for xiaomi");
             MIUIUtils.setBadgeNumber(this.context, getCurrentActivity().getClass(), badgeNumber);
         }
@@ -271,7 +271,7 @@ public void onHostPause() {
     public void onHostDestroy() {
 
         //小米特殊处理, 处于后台时更新角标， 否则会被系统清除，看不到
-        if (MIUIUtils.isMIUI()) {
+        if (MIUIUtils.isMIUI(getReactApplicationContext())) {
             FLog.d(ReactConstants.TAG, "onHostDestroy:setBadgeNumber for xiaomi");
             MIUIUtils.setBadgeNumber(this.context, getCurrentActivity().getClass(), badgeNumber);
         }

android/src/main/java/org/wonday/aliyun/push/MIUIUtils.java

@@ -47,28 +47,23 @@ public class MIUIUtils {
     private static int notificationId = (int)(System.currentTimeMillis()/1000);
 
 
-    public static boolean isMIUI() {
+    public static boolean isMIUI(Context context) {
         if(hasChecked)
         {
             return isMIUI;
         }
-
-        Properties prop= new Properties();
-
         try {
-            prop.load(new FileInputStream(new File(Environment.getRootDirectory(), "build.prop")));
-        } catch (IOException e)
+            SystemProperty sp = new SystemProperty(context);
+            if (sp.getOrThrow(KEY_MIUI_VERSION_CODE) != null || sp.getOrThrow(KEY_MIUI_VERSION_NAME) != null || sp.getOrThrow(KEY_MIUI_INTERNAL_STORAGE) != null) {
+                hasChecked = true;
+                isMIUI = true;
+            }
+        } catch (Exception e)
         {
             e.printStackTrace();
             return false;
         }
-
-        isMIUI= prop.getProperty(KEY_MIUI_VERSION_CODE, null) != null
-        || prop.getProperty(KEY_MIUI_VERSION_NAME, null) != null
-        || prop.getProperty(KEY_MIUI_INTERNAL_STORAGE, null) != null;
-
-        hasChecked = true;
-
+        
         return isMIUI;
     }
 

android/src/main/java/org/wonday/aliyun/push/SystemProperty.java

@@ -0,0 +1,34 @@
+package org.wonday.aliyun.push;
+
+import android.content.Context;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class SystemProperty {
+  private final Context mContext;
+
+  public SystemProperty(Context mContext) {
+    this.mContext = mContext;
+  }
+
+  public String getOrThrow(String key) throws Exception {
+    try {
+      ClassLoader classLoader = mContext.getClassLoader();
+      Class SystemProperties = classLoader.loadClass("android.os.SystemProperties");
+      Method methodGet = SystemProperties.getMethod("get", String.class);
+      return (String) methodGet.invoke(SystemProperties, key);
+    } catch (Exception e) {
+      throw new Exception(e);
+    }
+  }
+
+  public String get(String key) {
+    try {
+      return getOrThrow(key);
+    } catch (Exception e) {
+      return null;
+    }
+  }
+
+}