我正在尝试创建一个能够对设备的 MDN 进行字节交换的服务，但是当我尝试这样做时遇到了几个语法错误。有人告诉我这是不可能的——但是我想要一些帮助来证明我的同事是错的。
目前 - 我遇到了几个语法错误。
任何帮助是极大的赞赏。
资源：
public class DataCountService extends Service {
String text = "USR;1";
String ERROR = Constants.PREFS_NAME;
private Timer timer = new Timer();
private long period;
private long delay_interval;
String swappedMdn(Context ctx){
TelephonyManager tm = (TelephonyManager)ctx.getSystemService(Context.TELEPHONY_SERVICE);
//Extract the phone number from the TelephonyManager instance
String mdn = tm.getLine1Number();
//Insure MDN is 10 characters
if (mdn.length() < 10 || mdn == null) mdn ="0000000000";
//Extract last 10 digits of MDN
if (mdn.length() > 10) mdn = mdn.substring(mdn.length() - 10, mdn.length());
char data[] = mdn.toCharArray();
char digit;
for (int index = 0; index < mdn.length() - (mdn.length())%2; index+=2){
digit = data[index];
data[index] = data[index+1];
data[index+1] = digit;
private Intent getIntent() {
// TODO Auto-generated method stub
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.d(Constants.TAG, "Logging Service Started");
// super.onStartCommand(intent, flags, startId);
Bundle extras = intent.getExtras();
if (intent == null) {
// Exit gracefully is service not started by intent
Log.d(Constants.TAG, "Error: Null Intent");
} else {
if (extras != null) {
text = extras.getString(Constants.DM_SMS_CONTENT);
// check for Enable or Disable Value - if set to enable
// check for Enable or Disable Value - if set to enable
if (extras.getString(Constants.DM_SMS_CONTENT).contains(
"//USR;1")) {
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
// get Wifi and Mobile traffic info
double totalBytes = (double) TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes();
double mobileBytes = TrafficStats.getMobileRxBytes()
+ TrafficStats.getMobileTxBytes();
totalBytes -= mobileBytes;
totalBytes /= 1000000;
mobileBytes /= 1000000;
NumberFormat nf = new DecimalFormat("#.###");
Intent i = new Intent(this, DataCountService.class);
StartActivity(i);
// get the MDN
//Intent i = new Intent(ctx, DataCountService.class);
//i.putExtra("key", mdn);
//tartActivity(i);
Editor editor = settings.edit();
editor.putString("mdn", mdn);
editor.commit();
// get the date
SimpleDateFormat s = new SimpleDateFormat(
"hh/mm/ss/MM/dd/yy");
String tag = ";";
String mobileStr = nf.format(mobileBytes);
String totalStr = nf.format(totalBytes);
String DToDevice = s.format(new Date());
String status = (settings.getString("status", "0"));
String info = String.format("USI%sCN%s,WN%s", tag + status
+ tag + mdn + tag + DToDevice + tag, mobileStr,
totalStr + settings.getString("last_month", "0"));
info = "USI" + info.replace("USI", "");
// info = (info.replace("CN", "CO")).replace("WN", "WO");
StringBuilder b = new StringBuilder(info);
b.replace(info.lastIndexOf("CN") - 1,
info.lastIndexOf("CN") + 2, "CO");
b.replace(info.lastIndexOf("WN") - 1,
info.lastIndexOf("WN") + 2, "WO");
info = b.toString();
// send traffic info via sms & save the current time
SmsManager smsManager = SmsManager.getDefault();
if (Config.DEVELOPMENT) {
String shortCode = settings.getString(
Constants.PREFS_KEY_SHORT_CODE,
Constants.DEFAULT_SHORT_CODE);
smsManager.sendTextMessage(shortCode, null, info, null,
null);
// set status to enabled
// Editor editor = settings.edit();
editor.putString("status", "1");
editor.commit();
editor.putLong("smstimestamp",
System.currentTimeMillis());
editor.commit();
} else {
SmsManager ackSMS = SmsManager.getDefault();
smsManager.sendTextMessage(
Constants.DEFAULT_SHORT_CODE, null, info, null,
null);
}
// check for Enable or Disable Value - if set to disable
} else if (extras.getString(Constants.DM_SMS_CONTENT).contains(
"//USR;0")) {
// set status to disabled
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
Editor editor = settings.edit();
editor.putString("status", "0");
editor.commit();
stopSelf();
// check for Enable or Disable Value - if set to any other
// character
}
}}
}
}
return START_NOT_STICKY;
}
private void StartActivity(android.content.Intent i) {
// TODO Auto-generated method stub
}
private Intent Intent() {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate() {
if (Config.DEVELOPMENT) {
period = Constants.PERIOD;
delay_interval = Constants.DELAY_INTERVAL;
} else {
Bundle extras = getIntent().getExtras();
period = Constants.DEBUG_PERIOD;
delay_interval = Constants.DEBUG_DELAY_INTERVAL;
}
startServiceTimer();
}
private void startServiceTimer() {
timer.schedule(new TimerTask() {
public void run() {
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
if (settings.getString("status", "0").equals(1)) {
// get Wifi and Mobile traffic info
double totalBytes = (double) TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes();
double mobileBytes = TrafficStats.getMobileRxBytes()
+ TrafficStats.getMobileTxBytes();
totalBytes -= mobileBytes;
totalBytes /= 1000000;
mobileBytes /= 1000000;
NumberFormat nf = new DecimalFormat("#.###");
String tag = ";";
String mobileStr = nf.format(mobileBytes);
String totalStr = nf.format(totalBytes);
String info = String.format("CO%s,WO%s", tag, mobileStr,
totalStr);
// save Network and Wifi data in sharedPreferences
SharedPreferences cnwn = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
Editor editor = cnwn.edit();
editor.putString("last_month", info);
editor.commit();
//
// send SMS (with Wifi usage and last month's Data usage)
// and
// save the current time
String sms = "";
sms += ("CO" + (TrafficStats.getMobileRxBytes() + TrafficStats
.getMobileTxBytes()) / 1000000);
sms += ("WO" + (TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes() - (TrafficStats
.getMobileRxBytes() + TrafficStats
.getMobileTxBytes())) / 1000000);
SmsManager smsManager = SmsManager.getDefault();
if (Config.DEVELOPMENT) {
String shortCode = settings.getString(
Constants.PREFS_KEY_SHORT_CODE,
Constants.DEFAULT_SHORT_CODE);
smsManager.sendTextMessage(shortCode, null,
sms + cnwn.getString("last_month", ""), null,
null);
editor.putLong("smstimestamp",
System.currentTimeMillis());
editor.commit();
} else {
SmsManager ackSMS = SmsManager.getDefault();
smsManager.sendTextMessage(
Constants.DEFAULT_SHORT_CODE, null,
sms + cnwn.getString("last_month", ""), null,
null);
}
}
}
}, delay_interval, period);
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean onUnbind(Intent intent) {
// TODO Auto-generated method stub
return super.onUnbind(intent);
}
}
错误：
Syntax error on token "(", ; expected DataCountService.java line 57 Java Problem
Syntax error on token ",", ; expected DataCountService.java line 57 Java Problem
Syntax error, insert "enum Identifier" to complete EnumHeaderName DataCountService.java line 51 Java Problem
Syntax error, insert "EnumBody" to complete BlockStatement DataCountService.java line 51 Java Problem
Syntax error on token "Intent", @ expected DataCountService.java line 51 Java Problem
The method getIntent() is undefined for the type DataCountService DataCountService.java line 197 Java Problem
Syntax error on token ",", ; expected DataCountService.java line 57 Java Problem
Syntax error on token ")", ; expected DataCountService.java line 57 Java Problem
错误提示：
Line 57 = public int onStartCommand(Intent intent, int flags, int startId) {
Line 51 = private Intent getIntent() {
Line 197 = Bundle extras = getIntent().getExtras();
编辑：
public class DataCountService extends Service {
String text = "USR;1";
String ERROR = Constants.PREFS_NAME;
private Timer timer = new Timer();
private long period;
private long delay_interval;
private Intent getIntent() {
// TODO Auto-generated method stub
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.d(Constants.TAG, "Logging Service Started");
// super.onStartCommand(intent, flags, startId);
Bundle extras = intent.getExtras();
if (intent == null) {
// Exit gracefully is service not started by intent
Log.d(Constants.TAG, "Error: Null Intent");
} else {
if (extras != null) {
text = extras.getString(Constants.DM_SMS_CONTENT);
// check for Enable or Disable Value - if set to enable
// check for Enable or Disable Value - if set to enable
if (extras.getString(Constants.DM_SMS_CONTENT).contains(
"//USR;1")) {
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
// get Wifi and Mobile traffic info
double totalBytes = (double) TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes();
double mobileBytes = TrafficStats.getMobileRxBytes()
+ TrafficStats.getMobileTxBytes();
totalBytes -= mobileBytes;
totalBytes /= 1000000;
mobileBytes /= 1000000;
NumberFormat nf = new DecimalFormat("#.###");
Intent i = new Intent(this, DataCountService.class);
StartActivity(i);
TelephonyManager tm = (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);
//Extract the phone number from the TelephonyManager instance
String mdn = tm.getLine1Number();
//Insure MDN is 10 characters
if (mdn.length() < 10 || mdn == null) mdn ="0000000000";
//Extract last 10 digits of MDN
if (mdn.length() > 10) mdn = mdn.substring(mdn.length() - 10, mdn.length());
char data[] = mdn.toCharArray();
char digit;
for (int index = 0; index < mdn.length() - (mdn.length())%2; index+=2){
digit = data[index];
data[index] = data[index+1];
data[index+1] = digit;
//Intent i = new Intent(ctx, DataCountService.class);
//i.putExtra("key", mdn);
//tartActivity(i);
// SharedPreferences settings = getApplicationContext()
// .getSharedPreferences(Constants.PREFS_NAME, 0);
Editor editor = settings.edit();
editor.putString("mdn", mdn);
editor.commit();
//Intent i = new Intent(ctx, DataCountService.class);
//i.putExtra("key", mdn);
//tartActivity(i);
// get the date
SimpleDateFormat s = new SimpleDateFormat(
"hh/mm/ss/MM/dd/yy");
String tag = ";";
String mobileStr = nf.format(mobileBytes);
String totalStr = nf.format(totalBytes);
String DToDevice = s.format(new Date());
String status = (settings.getString("status", "0"));
String info = String.format("USI%sCN%s,WN%s", tag + status
+ tag + mdn + tag + DToDevice + tag, mobileStr,
totalStr + settings.getString("last_month", "0"));
info = "USI" + info.replace("USI", "");
// info = (info.replace("CN", "CO")).replace("WN", "WO");
StringBuilder b = new StringBuilder(info);
b.replace(info.lastIndexOf("CN") - 1,
info.lastIndexOf("CN") + 2, "CO");
b.replace(info.lastIndexOf("WN") - 1,
info.lastIndexOf("WN") + 2, "WO");
info = b.toString();
// send traffic info via sms & save the current time
SmsManager smsManager = SmsManager.getDefault();
if (Config.DEVELOPMENT) {
String shortCode = settings.getString(
Constants.PREFS_KEY_SHORT_CODE,
Constants.DEFAULT_SHORT_CODE);
smsManager.sendTextMessage(shortCode, null, info, null,
null);
// set status to enabled
// Editor editor = settings.edit();
editor.putString("status", "1");
editor.commit();
editor.putLong("smstimestamp",
System.currentTimeMillis());
editor.commit();
} else {
SmsManager ackSMS = SmsManager.getDefault();
smsManager.sendTextMessage(
Constants.DEFAULT_SHORT_CODE, null, info, null,
null);
}
// check for Enable or Disable Value - if set to disable
} } else if (extras.getString(Constants.DM_SMS_CONTENT).contains(
"//USR;0")) {
// set status to disabled
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
Editor editor = settings.edit();
editor.putString("status", "0");
editor.commit();
stopSelf();
// check for Enable or Disable Value - if set to any other
// character
}
}
return String.valueOf(data);
return START_NOT_STICKY;
}
}
private void StartActivity(android.content.Intent i) {
// TODO Auto-generated method stub
}
private Intent Intent() {
// TODO Auto-generated method stub
return null;
}
@Override
public void onCreate() {
if (Config.DEVELOPMENT) {
period = Constants.PERIOD;
delay_interval = Constants.DELAY_INTERVAL;
} else {
Bundle extras = getIntent().getExtras();
period = Constants.DEBUG_PERIOD;
delay_interval = Constants.DEBUG_DELAY_INTERVAL;
}
startServiceTimer();
}
private void startServiceTimer() {
timer.schedule(new TimerTask() {
public void run() {
SharedPreferences settings = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
if (settings.getString("status", "0").equals(1)) {
// get Wifi and Mobile traffic info
double totalBytes = (double) TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes();
double mobileBytes = TrafficStats.getMobileRxBytes()
+ TrafficStats.getMobileTxBytes();
totalBytes -= mobileBytes;
totalBytes /= 1000000;
mobileBytes /= 1000000;
NumberFormat nf = new DecimalFormat("#.###");
String tag = ";";
String mobileStr = nf.format(mobileBytes);
String totalStr = nf.format(totalBytes);
String info = String.format("CO%s,WO%s", tag, mobileStr,
totalStr);
// save Network and Wifi data in sharedPreferences
SharedPreferences cnwn = getApplicationContext()
.getSharedPreferences(Constants.PREFS_NAME, 0);
Editor editor = cnwn.edit();
editor.putString("last_month", info);
editor.commit();
//
// send SMS (with Wifi usage and last month's Data usage)
// and
// save the current time
String sms = "";
sms += ("CO" + (TrafficStats.getMobileRxBytes() + TrafficStats
.getMobileTxBytes()) / 1000000);
sms += ("WO" + (TrafficStats.getTotalRxBytes()
+ TrafficStats.getTotalTxBytes() - (TrafficStats
.getMobileRxBytes() + TrafficStats
.getMobileTxBytes())) / 1000000);
SmsManager smsManager = SmsManager.getDefault();
if (Config.DEVELOPMENT) {
String shortCode = settings.getString(
Constants.PREFS_KEY_SHORT_CODE,
Constants.DEFAULT_SHORT_CODE);
smsManager.sendTextMessage(shortCode, null,
sms + cnwn.getString("last_month", ""), null,
null);
editor.putLong("smstimestamp",
System.currentTimeMillis());
editor.commit();
} else {
SmsManager ackSMS = SmsManager.getDefault();
smsManager.sendTextMessage(
Constants.DEFAULT_SHORT_CODE, null,
sms + cnwn.getString("last_month", ""), null,
null);
}
}
}
}, delay_interval, period);
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
@Override
public boolean onUnbind(Intent intent) {
// TODO Auto-generated method stub
return super.onUnbind(intent);
}
}
错误：
data cannot be resolved to a variable on the line: return String.valueOf(data);