add new API function

Author: zoff99

android-refimpl-app/app/src/main/java/com/zoffcc/applications/trifa/MainActivity.java

@@ -3411,6 +3411,8 @@ static void allocate_video_buffer_1(int frame_width_px1, int frame_height_px1, l
 
     public static native int tox_group_leave(long group_number, String part_message);
 
+    public static native int tox_group_disconnect(long group_number);
+
     public static native long tox_group_self_get_peer_id(long group_number);
 
     public static native int tox_group_self_set_name(long group_number, @NonNull String my_peer_name);

jni-c-toxcore/jni-c-toxcore.c

@@ -6461,6 +6461,32 @@ Java_com_zoffcc_applications_trifa_MainActivity_tox_1group_1leave(JNIEnv *env, j
 #endif
 }
 
+JNIEXPORT jint JNICALL
+Java_com_zoffcc_applications_trifa_MainActivity_tox_1group_1disconnect(JNIEnv *env, jobject thiz,
+        jlong group_number)
+{
+#ifndef HAVE_TOX_NGC
+    return (jint)-99;
+#else
+    if(tox_global == NULL)
+    {
+        return (jint)-99;
+    }
+
+    Tox_Err_Group_Disconnect error;
+    bool res = tox_group_disconnect(tox_global, (uint32_t)group_number, &error);
+
+    if(res == false)
+    {
+        return (jint)-1;
+    }
+    else
+    {
+        return (jint)0;
+    }
+#endif
+}
+
 JNIEXPORT jint JNICALL
 Java_com_zoffcc_applications_trifa_MainActivity_tox_1group_1self_1set_1name(JNIEnv *env, jobject thiz,
         jlong group_number, jstring name)