修复上传闪存权限提示；

Author: ChenRui

Diff for: app/src/main/java/com/rae/cnblogs/activity/ImageSelectionActivity.java

@@ -155,10 +155,10 @@ private void start() {
      */
     private boolean requestPermissions() {
         // 检查权限
-        if (checkPermission(Manifest.permission.READ_EXTERNAL_STORAGE)) {
+        if (checkPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
             AppUI.toast(this, "请允许访问存储卡权限");
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 100);
+                ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.CAMERA}, 100);
             }
             return false;
         }

Diff for: app/src/main/java/com/rae/cnblogs/service/MomentIntentService.java

@@ -36,6 +36,7 @@
 import org.json.JSONArray;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.net.UnknownHostException;
@@ -261,6 +262,16 @@ public void onError(Throwable e) {
                                 onError("登录过期");
                                 return;
                             }
+                        } else if (e instanceof FileNotFoundException) {
+                            // 权限问题
+                            String message;
+                            if (e.getMessage() != null && e.getMessage().contains("Permission")) {
+                                message = "没有权限访问图片，请检查是否授权访问照相机/相册/存储卡权限。";
+                            } else {
+                                message = "没找到上传的图片";
+                            }
+                            onError(message);
+                            return;
                         } else if (e instanceof HttpException) {
                             HttpException ex = (HttpException) e;
                             onError("服务器发生错误0x" + ex.code());