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POAndroid - Compare Time String to Current Time Subtract Difference and Convert To MilliSeconds
 

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    <p>I'm a bit new to Java/Android development and I need to compare two times. One of the time values is stored in a string and the other is the current to the system time (long) - how can I find out the difference between the two times in milliseconds and store it as a number? </p> <p>EDIT:</p> <p>Attempt # 1 (In Response to Lazy Ninja)</p> <pre><code>public class Rules extends Activity { private String password; private PendingIntent mPendingIntent; String TIMELIMIT = "10"; TextView textSsid, textSpeed, textRssi, Time; private static final int NOTIFY_ME_ID = 1337; private int count = 0; private NotificationManager notifyMgr = null; public Handler mHandler = new Handler(); public long mStartRX = 0; public long mStartTX = 0; public long txBytes; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.rules); String NDEF_PREF = "prefs"; SharedPreferences prefs = getSharedPreferences(NDEF_PREF, Context.MODE_PRIVATE); String name = prefs.getString("name", ""); String code = prefs.getString("corename", ""); String time = prefs.getString("time", ""); String ssid = prefs.getString("restricted", ""); Time = (TextView) findViewById(R.id.Time); Time.setText(time); String dtStart = "09:27:37"; SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); try { Date date = format.parse(time); } catch (ParseException e) { e.printStackTrace(); } Long convertedLong = date.getTimeInMillis(); long currentTimeLong = System.currentTimeMillis(); long difference = currentTimeLong - convertedLong; String strDiff = String.valueOf(difference); </code></pre> <p>PROBLEMS:</p> <p>date cannot be resolved Rules.java Java Problem</p>
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