lib/ios/examples/hello_ios.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Simple iOS app with a single label
  16 module hello_ios
  17
  18 import ios
  19
  20 redef class App
  21         redef fun did_finish_launching_with_options
  22         do
  23                 return app_delegate.hello_world
  24         end
  25 end
  26
  27 redef class AppDelegate
  28
  29         # Print and show "Hello World!"
  30         private fun hello_world: Bool in "ObjC" `{
  31
  32                 // Print to the console
  33                 NSLog(@"Hello World!");
  34
  35                 // Display "Hello world!" on the screen
  36                 recv.window = [[UIWindow alloc] initWithFrame:
  37                 [[UIScreen mainScreen] bounds]];
  38                 recv.window.backgroundColor = [UIColor whiteColor];
  39
  40                 UILabel *label = [[UILabel alloc] init];
  41                 label.text = @"Hello World!";
  42                 label.center = CGPointMake(100, 100);
  43                 [label sizeToFit];
  44
  45                 [recv.window addSubview: label];
  46                 [recv.window makeKeyAndVisible];
  47
  48                 return YES;
  49         `}
  50 end