RA Image Android

增加权限检查工具函数。

RA Image/app/src/main/java/com/usai/util/RAUtil.java

@@ -0,0 +1,23 @@
+package com.usai.util;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+
+/**
+ * Created by ray on 27/06/2017.
+ */
+
+public class RAUtil {
+    public static Boolean checkPermission(final Context context, String permission)
+    {
+        // 调用Context的checkCallingOrSelfPermission来检查权限
+
+        if (PackageManager.PERMISSION_GRANTED!= context.checkCallingOrSelfPermission(permission)) {
+
+
+
+                return false;
+        }
+        return true;
+    }
+}