Improve error handling

Author: airsquared

src/main/java/airsquared/blobsaver/app/LibimobiledeviceUtil.java

@@ -359,12 +359,18 @@ private LibimobiledeviceException(String message, ErrorCodeType errorType, int e
 
         public void showErrorAlert() {
             String message = getMessage();
-            if (reportable) {
+            if (reportable && (errorType == ErrorCodeType.lockdownd_error || errorType == ErrorCodeType.idevice_error
+                || errorType == ErrorCodeType.irecv_error)) {
+                ButtonType help = new ButtonType("Help");
+                if (help.equals(Utils.showUnreportableError(message, help, ButtonType.OK))) {
+                    Utils.openURL("https://github.com/airsquared/blobsaver/wiki/Errors-reading-from-device");
+                }
+            } else if (reportable) {
                 Utils.showReportableError(message);
-            } else if (ErrorCodeType.idevice_error.equals(errorType) && errorCode == -3 && Platform.isWindows()) {
+            } else if (ErrorCodeType.idevice_error.equals(errorType) && errorCode == -3) {
                 message += "\n\nEnsure iTunes or Apple's iOS Drivers are installed.";
                 ButtonType downloadItunes = new ButtonType("Download iTunes");
-                if (downloadItunes.equals(Utils.showUnreportableError(message, downloadItunes))) {
+                if (downloadItunes.equals(Utils.showUnreportableError(message, downloadItunes, ButtonType.OK))) {
                     Utils.openURL("https://www.apple.com/itunes/download/win64");
                 }
             } else {

src/main/java/airsquared/blobsaver/app/Utils.java

@@ -236,21 +236,22 @@ static void reportError(Alert alert, String toCopy) {
     }
 
     static void showReportableError(String msg) {
-        Alert alert = new Alert(Alert.AlertType.ERROR, msg + "\n\nPlease create a new issue on Github if you need more help.", githubIssue, ButtonType.CANCEL);
+        Alert alert = new Alert(Alert.AlertType.ERROR, msg + "\n\nIf you need more help, you can create a new issue on GitHub.", githubIssue, ButtonType.CANCEL);
         resizeAlertButtons(alert);
         alert.showAndWait();
         reportError(alert);
     }
 
     static void showReportableError(String msg, String toCopy) {
-        Alert alert = new Alert(Alert.AlertType.ERROR, msg + "\n\nThe log has been copied to your clipboard. You may create a new issue on GitHub.", githubIssue, ButtonType.CANCEL);
+        Alert alert = new Alert(Alert.AlertType.ERROR, msg + "\n\nThe log has been copied to your clipboard. If you need more help, you can create a new issue on GitHub.", githubIssue, ButtonType.CANCEL);
         resizeAlertButtons(alert);
         alert.showAndWait();
         reportError(alert, toCopy);
     }
 
     static ButtonType showUnreportableError(String msg, ButtonType... buttons) {
         Alert alert = new Alert(Alert.AlertType.ERROR, msg, buttons);
+        resizeAlertButtons(alert);
         alert.showAndWait();
         return alert.getResult();
     }