Partly revert "Android: use NewGlobalRef for references that are used globally"

The added complexity wasn't needed for most subsystems, as main() never returns
so local references can't be freed.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29570 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 15 insertions, 20 deletions

diff --git a/apps/hosted/android/keyboard.c b/apps/hosted/android/keyboard.c
index 460011c4f7..f9bbcbb261 100644
--- a/apps/hosted/android/keyboard.c
+++ b/apps/hosted/android/keyboard.c
@@ -61,17 +61,14 @@ static void kdb_init(void)
     {
         semaphore_init(&kbd_wakeup, 1, 0);
         /* get the class and its constructor */
-        jclass kbInput_class = e->FindClass(env_ptr,
+        RockboxKeyboardInput_class = e->FindClass(env_ptr,
                                             "org/rockbox/RockboxKeyboardInput");
-        RockboxKeyboardInput_class = e->NewGlobalRef(env_ptr, kbInput_class);
         jmethodID constructor = e->GetMethodID(env_ptr,
                                                RockboxKeyboardInput_class,
                                                "<init>", "()V");
-        jobject kbInput_instance = e->NewObject(env_ptr,
-                                                RockboxKeyboardInput_class,
-                                                constructor);
-        RockboxKeyboardInput_instance = e->NewGlobalRef(env_ptr,
-                                                        kbInput_instance);
+        RockboxKeyboardInput_instance = e->NewObject(env_ptr,
+                                                     RockboxKeyboardInput_class,
+                                                     constructor);
         kbd_inputfunc = e->GetMethodID(env_ptr, RockboxKeyboardInput_class,
                                        "kbd_input",
                                        "(Ljava/lang/String;"
diff --git a/apps/hosted/android/notification.c b/apps/hosted/android/notification.c
index 1c89c51357..e7c425b7c1 100644
--- a/apps/hosted/android/notification.c
+++ b/apps/hosted/android/notification.c
@@ -128,14 +128,13 @@ void notification_init(void)
     JNIEnv e = *env_ptr;
     jfieldID nNM = e->GetFieldID(env_ptr, RockboxService_class,
                     "fg_runner", "Lorg/rockbox/Helper/RunForegroundManager;");
-    jobject nMN_instance = e->GetObjectField(env_ptr,
-                                             RockboxService_instance, nNM);
-    if (nMN_instance == NULL)
+    NotificationManager_instance = e->GetObjectField(env_ptr,
+                                                RockboxService_instance, nNM);
+    if (NotificationManager_instance == NULL)
     {
         DEBUGF("Failed to get RunForegroundManager instance. Performance will be bad");
         return;
     }
-    NotificationManager_instance = e->NewGlobalRef(env_ptr, nMN_instance);
 
     jclass class = e->GetObjectClass(env_ptr, NotificationManager_instance);
     updateNotification = e->GetMethodID(env_ptr, class, "updateNotification",
diff --git a/apps/hosted/android/yesno.c b/apps/hosted/android/yesno.c
index de6ec99a3c..2e85ea2bc1 100644
--- a/apps/hosted/android/yesno.c
+++ b/apps/hosted/android/yesno.c
@@ -52,21 +52,20 @@ static void yesno_init(JNIEnv *env_ptr)
     {
         semaphore_init(&yesno_done, 1, 0);
         /* get the class and its constructor */
-        jclass yesno_class = e->FindClass(env_ptr,
-                                          "org/rockbox/RockboxYesno");
+        jclass RockboxYesno_class = e->FindClass(env_ptr,
+                                                 "org/rockbox/RockboxYesno");
         jmethodID constructor = e->GetMethodID(env_ptr,
-                                               yesno_class,
+                                               RockboxYesno_class,
                                                "<init>", "()V");
-        jobject yesno_instance = e->NewObject(env_ptr,
-                                              yesno_class,
-                                              constructor);
-        RockboxYesno_instance = e->NewGlobalRef(env_ptr, yesno_instance);
-        yesno_func = e->GetMethodID(env_ptr, yesno_class,
+        RockboxYesno_instance = e->NewObject(env_ptr,
+                                                     RockboxYesno_class,
+                                                     constructor);
+        yesno_func = e->GetMethodID(env_ptr, RockboxYesno_class,
                                        "yesno_display",
                                        "(Ljava/lang/String;"
                                        "Ljava/lang/String;"
                                        "Ljava/lang/String;)V");
-        yesno_is_usable = e->GetMethodID(env_ptr, yesno_class,
+        yesno_is_usable = e->GetMethodID(env_ptr, RockboxYesno_class,
                                        "is_usable", "()Z");
     }
     /* need to get it every time incase the activity died/restarted */