lib/android/activities.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 # Android Activities wrapper
  16 module activities
  17
  18 import platform
  19
  20 # An Android activity context
  21 extern class NativeContext in "Java" `{ android.content.Context `}
  22         super JavaObject
  23 end
  24
  25 # A wrapper of context
  26 extern class NativeContextWrapper in "Java" `{ android.content.ContextWrapper `}
  27         super NativeContext
  28 end
  29
  30 # An activity, a single, focused thing a user can do on Android
  31 extern class NativeActivity in "Java" `{ android.app.Activity `}
  32         super NativeContextWrapper
  33
  34         # HACK for bug #845
  35         redef fun new_global_ref: SELF import sys, Sys.jni_env `{
  36                 Sys sys = NativeActivity_sys(self);
  37                 JNIEnv *env = Sys_jni_env(sys);
  38                 return (*env)->NewGlobalRef(env, self);
  39         `}
  40
  41         # Notify the OS that this activity is done and should be closed
  42         fun finish in "Java" `{ self.finish(); `}
  43
  44         # Execute `task.main` on the UI thread when possible
  45         fun run_on_ui_thread(task: Task) import Task.main in "Java" `{
  46                 final nit.app.NitObject final_task = task;
  47                 Runnable runnable = new Runnable() {
  48                         @Override
  49                         public void run() {
  50                                 Task_main(final_task);
  51                         }
  52                 };
  53                 self.runOnUiThread(runnable);
  54         `}
  55 end