[英]How can I check whether the Sim Card is available in an android device?
I need help checking whether a device has a sim card programatically.我需要帮助以编程方式检查设备是否具有 SIM 卡。 Please provide sample code.
请提供示例代码。
Use TelephonyManager.使用电话管理器。
http://developer.android.com/reference/android/telephony/TelephonyManager.html http://developer.android.com/reference/android/telephony/TelephonyManager.html
As Falmarri notes, you will want to use getPhoneType FIRST of all, to see if you are even dealing with a GSM phone.作为Falmarri笔记,你将要使用所有的getPhoneType首先,要看看你甚至处理一个GSM电话。 If you are, then you can also get the SIM state.
如果是,那么您还可以获得 SIM 卡状态。
TelephonyManager telMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
int simState = telMgr.getSimState();
switch (simState) {
case TelephonyManager.SIM_STATE_ABSENT:
// do something
break;
case TelephonyManager.SIM_STATE_NETWORK_LOCKED:
// do something
break;
case TelephonyManager.SIM_STATE_PIN_REQUIRED:
// do something
break;
case TelephonyManager.SIM_STATE_PUK_REQUIRED:
// do something
break;
case TelephonyManager.SIM_STATE_READY:
// do something
break;
case TelephonyManager.SIM_STATE_UNKNOWN:
// do something
break;
}
EDIT:编辑:
Starting at API 26 ( Android O Preview ) you can query the SimState for individual sim slots by using getSimState(int slotIndex)
ie:从 API 26( Android O 预览版)开始,您可以使用
getSimState(int slotIndex)
查询 SimState 以获取单个 sim 插槽,即:
int simStateMain = telMgr.getSimState(0);
int simStateSecond = telMgr.getSimState(1);
If you're developing with and older api, you can use TelephonyManager's
如果您正在使用较旧的 api 进行开发,则可以使用
TelephonyManager's
String getDeviceId (int slotIndex)
//returns null if device ID is not available. ie. query slotIndex 1 in a single sim device
int devIdSecond = telMgr.getDeviceId(1);
//if(devIdSecond == null)
// no second sim slot available
which was added in API 23 - docs here这是在 API 23 中添加的 - 文档在这里
You can check with the below code :您可以使用以下代码进行检查:
public static boolean isSimSupport(Context context)
{
TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); //gets the current TelephonyManager
return !(tm.getSimState() == TelephonyManager.SIM_STATE_ABSENT);
}
Found another way to do this.找到了另一种方法来做到这一点。
public static boolean isSimStateReadyorNotReady() {
int simSlotCount = sSlotCount;
String simStates = SystemProperties.get("gsm.sim.state", "");
if (simStates != null) {
String[] slotState = simStates.split(",");
int simSlot = 0;
while (simSlot < simSlotCount && slotState.length > simSlot) {
String simSlotState = slotState[simSlot];
Log.d("MultiSimUtils", "isSimStateReadyorNotReady() : simSlot = " + simSlot + ", simState = " + simSlotState);
if (simSlotState.equalsIgnoreCase("READY") || simSlotState.equalsIgnoreCase("NOT_READY")) {
return true;
}
simSlot++;
}
}
return false;
}
Thanks @Arun kumar answer, kotlin version as below感谢@Arun kumar 的回答,kotlin 版本如下
fun isSIMInserted(context: Context): Boolean {
return TelephonyManager.SIM_STATE_ABSENT != (context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager).simState
}
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