The dalvikInput.c in 8u-dev is an old version. The native methods for handling touch events can't be found.
The following patch fixes this
diff -r 498c76f90ebf modules/graphics/src/main/native-glass/lens/dalvik/dalvikInput.c
--- a/modules/graphics/src/main/native-glass/lens/dalvik/dalvikInput.c Tue Jun 17 13:24:43 2014 +0300
+++ b/modules/graphics/src/main/native-glass/lens/dalvik/dalvikInput.c Wed Jun 18 20:32:50 2014 +0200
@@ -29,12 +29,12 @@
 #include <dlfcn.h>
 #include "dalvikInput.h"
 #include "dalvikUtils.h"
-#include "../../wm/LensWindowManager.h"
+#include "../wm/LensWindowManager.h"
 #include "com_sun_glass_ui_lens_LensApplication.h"
 #include "com_sun_glass_events_TouchEvent.h"
 #include "com_sun_glass_ui_android_SoftwareKeyboard.h"
 #include "com_sun_glass_ui_android_Activity.h"
-#include "javafxports_android_FXActivity_InternalSurfaceView.h"
+#include "com_sun_glass_ui_android_DalvikInput.h"
 
 #define THROW_RUNTIME_EXCEPTION(ENV, MESSAGE, ...) \
     char error_msg[256]; \
@@ -122,11 +122,11 @@
 }
 
 /*
- * Class: javafxports_android_FXActivity_InternalSurfaceView
+ * Class: com_sun_glass_ui_android_DalvikInput
  * Method: onMultiTouchEventNative
  * Signature: (I[I[I[I[I)V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity_00024InternalSurfaceView_onMultiTouchEventNative
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onMultiTouchEventNative
   (JNIEnv *env, jobject that, jint jcount, jintArray jactions, jintArray jids, jintArray jxs, jintArray jys) {
     GLASS_LOG_FINE("Call InternalSurfaceView_onMultiTouchEventNative");
     
@@ -160,11 +160,11 @@
 }
 
 /*
- * Class: javafxports_android_FXActivity_InternalSurfaceView
+ * Class: com_sun_glass_ui_android_DalvikInput
  * Method: onKeyEventNative
  * Signature: (IILjava/lang/String;)V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity_00024InternalSurfaceView_onKeyEventNative
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onKeyEventNative
   (JNIEnv *env, jobject that, jint action, jint keycode, jstring s) {
     GLASS_LOG_FINEST("Key event: [action: %s, keyCode: %i]",
             describe_key_action(action), keycode);
@@ -187,24 +187,24 @@
 }
 
 /*
- * Class: javafxports_android_FXActivity
- * Method: _surfaceChanged
- * Signature: (Landroid/view/Surface;)V
+ * Class: com_sun_glass_ui_android_DalvikInput
+ * Method: onSurfaceChangedNative
+ * Signature: ()V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity__1surfaceChanged__Landroid_view_Surface_2
- (JNIEnv *env, jobject that, jobject jsurface) {
- GLASS_LOG_FINEST("Notify JFX that surface has changed! jsurface=%d", jsurface);
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onSurfaceChangedNative__
+ (JNIEnv *env, jobject that) {
+ GLASS_LOG_FINEST("Notify JFX that surface has changed!");
     glass_application_notifyScreenSettingsChanged(env);
     lens_wm_repaint_all(env);
 }
 
 /*
- * Class: javafxports_android_FXActivity
- * Method: _surfaceChanged
- * Signature: (Landroid/view/Surface;III)V
+ * Class: com_sun_glass_ui_android_DalvikInput
+ * Method: onSurfaceChangedNative
+ * Signature: (III)V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity__1surfaceChanged__Landroid_view_Surface_2III
- (JNIEnv *env, jobject that, jobject jsurface, jint fmt, jint w, jint h) {
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onSurfaceChangedNative__III
+ (JNIEnv *env, jobject that, jint fmt, jint w, jint h) {
     GLASS_LOG_FINEST("Notify JFX that surface has changed.");
     GLASS_LOG_FINEST("Surface format:%d width:%d height%d", fmt, w, h);
     glass_application_notifyScreenSettingsChanged(env);
@@ -212,22 +212,22 @@
 }
 
 /*
- * Class: javafxports_android_FXActivity
- * Method: _surfaceRedrawNeeded
- * Signature: (Landroid/view/Surface;)V
+ * Class: com_sun_glass_ui_android_DalvikInput
+ * Method: onSurfaceRedrawNeededNative
+ * Signature: ()V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity__1surfaceRedrawNeeded
- (JNIEnv *env, jobject that, jobject jsurface) {
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onSurfaceRedrawNeededNative
+ (JNIEnv *env, jobject that) {
     GLASS_LOG_WARNING("Call surfaceRedrawNeeded");
     lens_wm_repaint_all(env);
 }
 
 /*
- * Class: javafxports_android_FXActivity
- * Method: _configurationChanged
+ * Class: com_sun_glass_ui_android_DalvikInput
+ * Method: onConfigurationChangedNative
  * Signature: (I)V
  */
-JNIEXPORT void JNICALL Java_javafxports_android_FXActivity__1configurationChanged
+JNIEXPORT void JNICALL Java_com_sun_glass_ui_android_DalvikInput_onConfigurationChangedNative
   (JNIEnv *env, jobject that, jint flags) {
     GLASS_LOG_FINEST("Call configuration changed.");
     glass_application_notifyScreenSettingsChanged(env);