From ca8f680000de97dd03e4e37119f9c9e8ed6f3de6 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Sun, 25 Mar 2018 22:27:21 +0000
Subject: Android: Added keycodes to make arrow keys, delete, return, and other
 non text-keys work. ALso added a Java helper class to make Java call easier.
 We may need more Java/JNI in the future.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12801 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/drivers/Android/Fl_Android_Application.cxx | 37 ++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'src/drivers/Android/Fl_Android_Application.cxx')

diff --git a/src/drivers/Android/Fl_Android_Application.cxx b/src/drivers/Android/Fl_Android_Application.cxx
index 97b692199..fca8d9a46 100644
--- a/src/drivers/Android/Fl_Android_Application.cxx
+++ b/src/drivers/Android/Fl_Android_Application.cxx
@@ -804,6 +804,43 @@ JNIEXPORT void ANativeActivity_onCreate(ANativeActivity* activity, void* savedSt
   Fl_Android_Activity::create(activity, savedState, savedStateSize);
 }
 
+
+// ---- Java Stuff -------------------------------------------------------------
+
+
+Fl_Android_Java::Fl_Android_Java()
+{
+  jint lResult;
+  jint lFlags = 0;
+
+  pJavaVM = Fl_Android_Application::get_activity()->vm;
+  pJNIEnv = Fl_Android_Application::get_activity()->env;
+
+  JavaVMAttachArgs lJavaVMAttachArgs = {
+          .version = JNI_VERSION_1_6,
+          .name = "NativeThread",
+          .group = nullptr
+  };
+
+  lResult = pJavaVM->AttachCurrentThread(&pJNIEnv, &lJavaVMAttachArgs);
+  if (lResult == JNI_ERR) return;
+
+  pNativeActivity = Fl_Android_Application::get_activity()->clazz;
+
+  pNativeActivityClass = env()->GetObjectClass(pNativeActivity);
+
+  pAttached = true;
+}
+
+
+Fl_Android_Java::~Fl_Android_Java()
+{
+  if (is_attached()) {
+    pJavaVM->DetachCurrentThread();
+  }
+}
+
+
 //
 // End of "$Id$".
 //
-- 
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