Android Read SIM card information

Application of Telephonymanager

The main function of mobile phone is to call, if there is no telecommunications company to provide SIM card, it can not be normal to make calls, then, we have what method can get SIM card status and related information?

The Telephonymanager (Android.telephony.TelephonyManager) object in the Android API provides several ways to quickly get the status of a SIM card and related information.
The program takes Getsystemservice (Telephony_service) to obtain the Telephonymanager object, Telephonymanager provides the method to obtain the SIM card status and related information, The information obtained is stored in the custom myadapter, and finally the information in the Myadpter is displayed in the ListView with Setlistadapter ().

1 Import Android.telephony.TelephonyManager;
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3
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5 public class Ex05_18 extends Listactivity {
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7 Private Telephonymanager Telmgr;
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9 Private list<string> item=new arraylist<string> ();
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One private list<string> value=new arraylist<string> ();
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@SuppressWarnings ("Static-access")
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@Override
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public void OnCreate (Bundle savedinstancestate) {
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Super.oncreate (savedinstancestate);
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23/* Load into main.xml Layout */
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Setcontentview (R.layout.main);
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Telmgr = (Telephonymanager) getsystemservice (Telephony_service);
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29/* Writes the obtained information to the list */
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31/* Get SIM card status */
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Item.add (Getresources (). GetText (R.string.str_list0). toString ());
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if (Telmgr.getsimstate () ==telmgr.sim_state_ready) {
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Panax Notoginseng Value.add ("good");
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if (Telmgr.getsimstate () ==telmgr.sim_state_absent) {
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Value.add ("No SIM card");
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+} else {
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Value.add ("SIM card is locked or unknown");
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47}
48
49/* Get SIM card number */
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Wuyi Item.add (Getresources (). GetText (R.string.str_list1). toString ());
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if (Telmgr.getsimserialnumber ()!=null) {
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Value.add (Telmgr.getsimserialnumber ());
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(+)} else {
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Value.add ("cannot be obtained");
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61}
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63/* Get SIM card supplier code */
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Item.add (Getresources (). GetText (R.string.str_list2). toString ());
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if (Telmgr.getsimoperator (). Equals ("")) {
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Value.add ("Unable to obtain");
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+} else {
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Value.add (Telmgr.getsimoperator ());
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75}
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77/* Get SIM card supplier Name */
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Item.add (Getresources () GetText (R.STRING.STR_LIST3). toString ());
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Bayi if (Telmgr.getsimoperatorname (). Equals ("")) {
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Value.add ("Unable to obtain");
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+} else {
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Value.add (Telmgr.getsimoperatorname ());
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89}
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91/* Get SIM card country */
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Item.add (Getresources (). GetText (R.STRING.STR_LIST4). toString ());
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if (Telmgr.getsimcountryiso (). Equals ("")) {
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Value.add ("cannot be obtained");
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* Else {
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101 Value.add (Telmgr.getsimcountryiso ());
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103}
104
105/* Use a custom myadapter to pass data to listactivity */
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107 Setlistadapter (New Myadapter (This,item,value));
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109}
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113}