From 05456f81c5d8ae93aed407d6503fc44136d1f6de Mon Sep 17 00:00:00 2001
From: Jorge Canizales <jcanizales@google.com>
Date: Sun, 17 May 2015 15:22:27 -0700
Subject: Move sample app to proto3 and clarify usage example

---
 .../examples/Sample/Sample/ViewController.m        | 37 +++++++++++++++++-----
 1 file changed, 29 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/objective-c/examples/Sample/Sample/ViewController.m b/src/objective-c/examples/Sample/Sample/ViewController.m
index c7d8e0d145..1c866babec 100644
--- a/src/objective-c/examples/Sample/Sample/ViewController.m
+++ b/src/objective-c/examples/Sample/Sample/ViewController.m
@@ -37,7 +37,8 @@
 #import <gRPC/GRPCMethodName.h>
 #import <gRPC/GRXWriter+Immediate.h>
 #import <gRPC/GRXWriteable.h>
-#import <RemoteTest/Messages.pb.h>
+#import <RemoteTest/Messages.pbobjc.h>
+#import <RemoteTest/Test.pbrpc.h>
 
 @interface ViewController ()
 @end
@@ -47,18 +48,34 @@
 - (void)viewDidLoad {
   [super viewDidLoad];
 
+  NSString * const kRemoteHost = @"grpc-test.sandbox.google.com";
+
+  RMTSimpleRequest *request = [[RMTSimpleRequest alloc] init];
+  request.responseSize = 10;
+  request.fillUsername = YES;
+  request.fillOauthScope = YES;
+
+  // Example gRPC call using a generated proto client library:
+
+  RMTTestService *service = [[RMTTestService alloc] initWithHost:kRemoteHost];
+  [service unaryCallWithRequest:request handler:^(RMTSimpleResponse *response, NSError *error) {
+    if (response) {
+      NSLog(@"Finished successfully with response:\n%@", response);
+    } else if (error) {
+      NSLog(@"Finished with error: %@", error);
+    }
+  }];
+
+
+  // Same example call using the generic gRPC client library:
+
   GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
                                                          interface:@"TestService"
                                                             method:@"UnaryCall"];
 
-  RMTSimpleRequest *request = [[[[[[RMTSimpleRequestBuilder alloc] init]
-                                  setResponseSize:100]
-                                 setFillUsername:YES]
-                                setFillOauthScope:YES]
-                               build];
   id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
 
-  GRPCCall *call = [[GRPCCall alloc] initWithHost:@"grpc-test.sandbox.google.com"
+  GRPCCall *call = [[GRPCCall alloc] initWithHost:kRemoteHost
                                            method:method
                                    requestsWriter:requestsWriter];
 
@@ -66,7 +83,11 @@
     RMTSimpleResponse *response = [RMTSimpleResponse parseFromData:value];
     NSLog(@"Received response:\n%@", response);
   } completionHandler:^(NSError *errorOrNil) {
-    NSLog(@"Finished with error: %@", errorOrNil);
+    if (errorOrNil) {
+      NSLog(@"Finished with error: %@", errorOrNil);
+    } else {
+      NSLog(@"Finished successfully.");
+    }
   }];
 
   [call startWithWriteable:responsesWriteable];
-- 
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