android 3g状态及信号监测

/*
* tel.getNetworkOperator()
3G中国是460固定的,
中国移动的是 46000
中国联通的是 46001
中国电信的是 46003
*获取国别
tel.getSimCountryIso()
*/

public class My3GInfo {
private WifiManager mWifi;
private Context mContext;
private Handler mHandler;
private ImageView img;
private String STRNetworkOperator[] = { "46000", "46001", "46003" };
private int mark = -1;
private int position;
private int img3g[] = {};
private boolean is3Ghave = false;
private TelephonyManager tel;

public My3GInfo(Context context, ImageView img) {
mContext = context;
this.img = img;
init();
}

private void init() {
// TODO Auto-generated method stub
/*可参考一下相关的方法，得到自己想要的参数来处理自己的ui
public void initListValues(){
tel.getDeviceId());//获取设备编号
tel.getSimCountryIso());//获取SIM卡国别
tel.getSimSerialNumber());//获取SIM卡序列号
(simState[tm.getSimState()]);//获取SIM卡状态
(tel.getDeviceSoftwareVersion()!=null?tm.getDeviceSoftwareVersion():"未知")); //获取软件版本
tel.getNetworkOperator());//获取网络运营商代号
tel.getNetworkOperatorName());//获取网络运营商名称
(phoneType[tm.getPhoneType()]);//获取手机制式
tel.getCellLocation().toString());//获取设备当前位置
}*/
tel = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);

firstView();
getmark();
//设置监听事件，监听信号强度的改变和状态的改变
tel.listen(new PhoneStateMonitor(),
PhoneStateListener.LISTEN_SIGNAL_STRENGTHS
| PhoneStateListener.LISTEN_SERVICE_STATE);
}
private void getmark()//得到当前电话卡的归属运营商
{
String strNetworkOperator = tel.getNetworkOperator();
if (strNetworkOperator != null) {
for (int i = 0; i < 3; i++) {
if (strNetworkOperator.equals(STRNetworkOperator[i])) {
mark = i;
Log.v(TAG, "mark==" + i);
break;
}
}
} else {
mark = -1;
}
}
private void firstView() {//第一次自动检测并设置初始状态

int state = tel.getSimState();
switch (state) {
case TelephonyManager.SIM_STATE_UNKNOWN:
is3Ghave = false;
break;
case TelephonyManager.SIM_STATE_READY:
is3Ghave = true;
break;
case TelephonyManager.SIM_STATE_ABSENT:
is3Ghave = false;
break;
default:
break;
}
}

private String TAG = "WHLOG";
int signal;
class PhoneStateMonitor extends PhoneStateListener {
public void onSignalStrengthsChanged(SignalStrength signalStrength) {//3g信号强度的改变
super.onSignalStrengthsChanged(signalStrength);
/*
* signalStrength.isGsm() 是否GSM信号 2G or 3G
* signalStrength.getCdmaDbm(); 联通3G 信号强度
* signalStrength.getCdmaEcio(); 联通3G 载干比
* signalStrength.getEvdoDbm(); 电信3G 信号强度
* signalStrength.getEvdoEcio(); 电信3G 载干比
* signalStrength.getEvdoSnr(); 电信3G 信噪比
* signalStrength.getGsmSignalStrength(); 2G 信号强度
* signalStrength.getGsmBitErrorRate(); 2G 误码率
* 载干比，它是指空中模拟电波中的信号与噪声的比值
*/
Log.v(TAG, "change signal");
if(mark<0)
{
getmark();
}
if (mark == 0) {
signal = signalStrength.getGsmSignalStrength();
} else if (mark == 1) {
signal = signalStrength.getCdmaDbm();
} else if (mark == 2) {
signal = signalStrength.getEvdoDbm();
}
if(is3Ghave==true){
getLevel();
show3GDetail(position);
}
}

private void getLevel() {
// TODO Auto-generated method stub
if (mark == 2) {//电信3g信号强度的分类，可以按照ui自行划分等级
if (signal >= -65)
position = 5;
else if (signal >= -75)
position = 4;
else if (signal >= -85)
position = 3;
else if (signal >= -95)
position = 2;
else if (signal >= -105)
position = 1;
else
position = 0;
}
if (mark == 1) {//联通3g信号划分
if (signal >= -75)
position = 5;
else if (signal >= -80)
position = 4;
else if (signal >= -85)
position = 3;
else if (signal >= -95)
position = 2;
else if (signal >= -100)
position = 1;
else
position = 0;
}
if (mark == 0) {//移动信号的划分，这个不是很确定是2g还是3g
if (signal <= 2 || signal == 99)
position = 0;
else if (signal >= 12)
position = 5;
else if (signal >= 10)
position = 4;
else if (signal >= 8)
position = 3;
else if (signal >= 5)
position = 2;
else
position = 1;
}
}

public void onServiceStateChanged(ServiceState serviceState) {//3g状态的改变
super.onServiceStateChanged(serviceState);
/*
* ServiceState.STATE_EMERGENCY_ONLY 仅限紧急呼叫
* ServiceState.STATE_IN_SERVICE 信号正常
* ServiceState.STATE_OUT_OF_SERVICE 不在服务区
* ServiceState.STATE_POWER_OFF 断电
*/
int pos = serviceState.getState();
Log.v(TAG, "state change===" + pos);

switch (pos) {
case ServiceState.STATE_EMERGENCY_ONLY:
is3Ghave=true;
show3GDetail(0);
break;
case ServiceState.STATE_IN_SERVICE:
is3Ghave=true;
show3GDetail(3);
break;
case ServiceState.STATE_OUT_OF_SERVICE:
is3Ghave=false;
show3GDetail(6);
break;
case ServiceState.STATE_POWER_OFF:
is3Ghave=false;
show3GDetail(6);
break;
default:
break;
}
}
}

private void show3GDetail(int level) {//设置显示3g的图标
// TODO Auto-generated method stub
if(is3Ghave==false)
{
img.setBackgroundResource(img3g[6]);
}else{
img.setBackgroundResource(img3g[level]);
}
}
}

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