sendMessage(iface, SCAN_RESULTS_EVENT);
1. sendMessage 两个参数iface + 消息类型
230 private void sendMessage(String iface, int what) {
231 sendMessage(iface, Message.obtain(null, what));
232 }
2. 调用sendMessage 两个参数 iface + message
250 private void sendMessage(String iface, Message message) {
251 SparseArray
252 if (iface != null && ifaceHandlers != null) {
253 if (isMonitoring(iface)) {
254 Set