/** 初始化时用以生成超高频对象，以后就可以直接用rfid()来调用了。 */
public static StUhf getRfid() {
if (rfid == null) {
StUhf rf = null;
if (getSavedModel() == null) {
rf = StUhf.getUhfInstance(); // InterrogatorModel.InterrogatorModelD2
} else {
rf = StUhf.getUhfInstance(getSavedModel());
}
if (rf == null) {
Log.e(TAG, "Rfid instance is null,exit");
return null;
}
boolean b = rf.init();
if (b == false) {
Log.e(TAG, "cannot init rfid");
return null;
}
rfid = rf;
StUhf.InterrogatorModel model = rfid.getInterrogatorModel();
saveModelName(model);
switch (model) {
case InterrogatorModelA:
case InterrogatorModelB:
case InterrogatorModelC:
case InterrogatorModelD2:
// case InterrogatorModelE:
break;
default:
throw new IllegalStateException(
"new rfid model found,please check your code for compatibility.");
}
}
return rfid;
}
/** 在这儿最多会执行三次Stop，只所以这样，只是为了方便各Activity不用担心执行一次不成功 */
public static boolean stop() {
if (rfid != null) {
if (rfid.isFunctionSupported(com.senter.support.openapi.StUhf.Function.StopOperation)) {
for (int i = 0; i < 3; i++) {
if (rfid().stopOperation()) {
Log.i(TAG, "stopOperation 成功");
return true;
}
}
Log.i(TAG, "stopOperation 不成功");
return false;
}
}
return true;
}
/** 清除Selection选定 */
public static void clearMaskAndSelection() {
if (rfid.isFunctionSupported(StUhf.Function.DisableMaskSettings)) {
rfid.disableMaskSettings();
}
}