lib/android/toast.nit

   1 # This file is part of NIT (http://www.nitlanguage.org).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Services to display a _toast_, a small popup on Android
  18 module toast
  19
  20 import dalvik
  21
  22 in "Java" `{
  23         import android.widget.Toast;
  24 `}
  25
  26 redef class App
  27         # Display a _toast_ with `message`, for longer if `is_long`
  28         fun toast(message: String, is_long: Bool)
  29         do
  30                 var jstr = message.to_java_string
  31                 native_toast(jstr, is_long, native_activity)
  32                 jstr.delete_local_ref
  33         end
  34
  35         private fun native_toast(message: JavaString, is_long: Bool, native_activity: NativeActivity) in "Java" `{
  36                 final android.app.Activity context = native_activity;
  37                 final CharSequence final_message = message;
  38                 final int duration = is_long? Toast.LENGTH_LONG: Toast.LENGTH_SHORT;
  39
  40                 context.runOnUiThread(new Runnable() {
  41                         @Override
  42                         public void run()  {
  43                                 Toast toast = Toast.makeText(context, final_message, duration);
  44                                 toast.show();
  45                         }
  46                 });
  47         `}
  48 end