Android 使用telephonymanager获取sim串口
我可以使用telephonymanager获取我的sim卡序列号,代码工作正常。但是,如果没有插入sim卡,它将强制关闭,那么有没有办法处理此异常Android 使用telephonymanager获取sim串口,android,Android,我可以使用telephonymanager获取我的sim卡序列号,代码工作正常。但是,如果没有插入sim卡,它将强制关闭,那么有没有办法处理此异常 private void getAndSaveCurrentID(View view) { TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); // ---get first time SIM card ID
private void getAndSaveCurrentID(View view) {
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
// ---get first time SIM card ID ---
String simID = tm.getSimSerialNumber();
if (simID != null)
Toast.makeText(this, "current SIM card ID: saved " + simID,
Toast.LENGTH_LONG).show();
SharedPreferences preferences = PreferenceManager
.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = preferences.edit();
editor.putString("Name", simID.toString());
editor.commit();
}
02-14 11:27:42.643: E/AndroidRuntime(9674): FATAL EXCEPTION: main
02-14 11:27:42.643: E/AndroidRuntime(9674): Process: com.air.bgusatm, PID: 9674
02-14 11:27:42.643: E/AndroidRuntime(9674): java.lang.IllegalStateException: Could not find a method getAndSaveCurrentID(View) in the activity class com.air.bgusatm.MainActivity for onClick handler on view class android.widget.Button with id 'button1'
如果我用try-cache块包围它,它会工作吗?您在传递按钮的onClick方法中调用
getAndSaveCurrentID(View)
作为参数删除参数,一切都会工作。您的方法getAndSaveCurrentID()
没有任何参数
String simID = null;
try{
simID = tm.getSimSerialNumber();
}catch(Exception e){
}finally{
if (simID != null)
Toast.makeText(this, "current SIM card ID: saved " + simID,
Toast.LENGTH_LONG).show();
SharedPreferences preferences = PreferenceManager
.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = preferences.edit();
editor.putString("Name", simID.toString());
editor.commit();
}
private void getAndSaveCurrentID() {
try{
TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
// ---get first time SIM card ID ---
String simID = tm.getSimSerialNumber();
if (simID != null)
Toast.makeText(this, "current SIM card ID: saved " + simID,
Toast.LENGTH_LONG).show();
SharedPreferences preferences = PreferenceManager
.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = preferences.edit();
editor.putString("Name", simID.toString());
editor.commit();
}catch(Exception e){
Log.e("Error","error ocurred");
}
}
希望这有帮助您可以检查SIM卡是否缺失
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
if(telephonyManager.getSimState()!= TelephonyManager.SIM_STATE_ABSENT)
{
//your code here
}
这是我的解决方案,它先检测是否有sim卡,然后调用我的方法,请随意编辑我的答案
public void SimDetectorForGetAndSaveCurrentId(View view) {// save serial
// fire only if there is sim card inserted
TelephonyManager telMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
int simState = telMgr.getSimState();
switch (simState) {
case TelephonyManager.SIM_STATE_ABSENT:
Toast.makeText(getApplicationContext(),
"please make sure you have a SIM card inserted", Toast.LENGTH_LONG)
.show();
break;
case TelephonyManager.SIM_STATE_NETWORK_LOCKED:
getAndSaveCurrentID();
break;
case TelephonyManager.SIM_STATE_PIN_REQUIRED:
getAndSaveCurrentID();
break;
case TelephonyManager.SIM_STATE_PUK_REQUIRED:
getAndSaveCurrentID();
break;
case TelephonyManager.SIM_STATE_READY:
getAndSaveCurrentID();
break;
case TelephonyManager.SIM_STATE_UNKNOWN:
Toast.makeText(getApplicationContext(),
"please make sure you have a SIM card inserted", Toast.LENGTH_LONG)
.show();
break;
}
}
我知道,我删除它只是为了测试异常处理,如果没有sim卡,它将强制关闭。当它没有sim卡时,它将抛出null。您使用此代码得到的异常是什么?请发布您的日志,否则您将收到第一封邮件:(