1 files changed, 16 insertions, 16 deletions

diff --git a/firmware/target/hosted/android/button-android.c b/firmware/target/hosted/android/button-android.c
index dfc5bd0fb3..c913a3d7f7 100644
--- a/firmware/target/hosted/android/button-android.c
+++ b/firmware/target/hosted/android/button-android.c
@@ -34,7 +34,8 @@ extern JNIEnv *env_ptr;
 extern jclass  RockboxService_class;
 extern jobject RockboxService_instance;
 
-static jfieldID _headphone_state;
+static jobject HeadphoneMonitor_instance;
+static jfieldID headphone_state;
 static int last_y, last_x;
 static int last_btns;
 
@@ -114,20 +115,18 @@ Java_org_rockbox_RockboxFramebuffer_buttonHandler(JNIEnv*env, jclass class,
 
 void button_init_device(void)
 {
-    jmethodID initHeadphoneMonitor = (*env_ptr)->GetMethodID(env_ptr,
-                                                           RockboxService_class,
-                                                           "initHeadphoneMonitor",
-                                                           "()V");
-    /* start the monitor */
-    (*env_ptr)->CallVoidMethod(env_ptr,
-                               RockboxService_instance,
-                               initHeadphoneMonitor);
-
-    /* cache the headphone state field id */
-    _headphone_state = (*env_ptr)->GetFieldID(env_ptr,
-                                            RockboxService_class,
-                                            "headphone_state",
-                                            "I");
+    JNIEnv e = *env_ptr;
+    jclass class = e->FindClass(env_ptr, "org/rockbox/monitors/HeadphoneMonitor");
+    jmethodID constructor =     e->GetMethodID(env_ptr, class,
+                                                "<init>",
+                                                "(Landroid/content/Context;)V");
+    HeadphoneMonitor_instance = e->NewObject(env_ptr, class,
+                                            constructor,
+                                            RockboxService_instance);
+    /* cache the battery level field id */
+    headphone_state = (*env_ptr)->GetFieldID(env_ptr,
+                                            class,
+                                            "mHpState", "I");
 }
 
 int button_read_device(int *data)
@@ -150,7 +149,8 @@ int button_read_device(int *data)
 /* Tell if anything is in the jack. */
 bool headphones_inserted(void)
 {
-    int state = (*env_ptr)->GetIntField(env_ptr, RockboxService_instance, _headphone_state);
+    int state = (*env_ptr)->GetIntField(env_ptr, HeadphoneMonitor_instance,
+                                                            headphone_state);
     /* 0 is disconnected, 1 and 2 are connected */
     return (state == 0) ? false : true;
 }