How to wait a Thread in Android

Question

private void startGameTimeElapseThread        new Thread new Runnable             Date d   new Date            public void run                 while  gameOn                   Log d TAG    d getTime       gameStatus getLastTimeUpdated                      postInvalidate 795  150  1024  300                   try                       synchronized  this                            wait 1000                                            catch  InterruptedException e                           TODO Auto-generated catch block                     Log d TAG   Waiting didnt work                          e printStackTrace                                                     start        Here I wanted to make call the  Log d  and  postInvalidate  every one second  But when i check it from LogCat it seems loop runs faster than i want it to be  Why doesnt this loop just wait for 1000ms     Following are the output in LogCat  So you can see its not sleeping for a 1 second at all  I used Thread sleep as well   after you suggesting    05-27 11 40 10 060  DEBUG NOPSA-P 4546   1306496408950 1306496387535 05-27 11 40 10 070  DEBUG NOPSA-P 4546   1306496410037 1306496387535 05-27 11 40 10 232  DEBUG NOPSA-P 4546   1306496410201 1306496387535 05-27 11 40 10 250  DEBUG NOPSA-P 4546   1306496408214 1306496387535 05-27 11 40 10 310  DEBUG NOPSA-P 4546   1306496405988 1306496387535 05-27 11 40 10 361  DEBUG NOPSA-P 4546   1306496409327 1306496387535 05-27 11 40 10 431  DEBUG NOPSA-P 4546   1306496410398 1306496387535 05-27 11 40 10 521  DEBUG NOPSA-P 4546   1306496409478 1306496387535 05-27 11 40 10 593  DEBUG NOPSA-P 4546   1306496410566 1306496387535 05-27 11 40 11 230  DEBUG NOPSA-P 4546   1306496409678 1306496387535 05-27 11 40 11 230  DEBUG NOPSA-P 4546   1306496410201 1306496387535 05-27 11 40 11 241  DEBUG NOPSA-P 4546   1306496409878 1306496387535 05-27 11 40 11 241  DEBUG NOPSA-P 4546   1306496410037 1306496387535 05-27 11 40 11 241  DEBUG NOPSA-P 4546   1306496408950 1306496387535 05-27 11 40 11 260  DEBUG NOPSA-P 4546   1306496408214 1306496387535 05-27 11 40 11 314  DEBUG NOPSA-P 4546   1306496405988 1306496387535 05-27 11 40 11 314  DEBUG NOPSA-P 4546   1306496411254 1306496387535 05-27 11 40 11 361  DEBUG NOPSA-P 4546   1306496409327 1306496387535 05-27 11 40 11 431  DEBUG NOPSA-P 4546   1306496410398 1306496387535 05-27 11 40 11 520  DEBUG NOPSA-P 4546   1306496409478 1306496387535 05-27 11 40 11 551  DEBUG NOPSA-P 4546   1306496411508 1306496387535 05-27 11 40 11 712  DEBUG NOPSA-P 4546   1306496410566 1306496387535 05-27 11 40 11 881  DEBUG NOPSA-P 4546   1306496411865 1306496387535 05-27 11 40 12 051  DEBUG NOPSA-P 4546   1306496412025 1306496387535 05-27 11 40 12 211  DEBUG NOPSA-P 4546   1306496412198 1306496387535 05-27 11 40 12 231  DEBUG NOPSA-P 4546   1306496409678 1306496387535 05-27 11 40 12 242  DEBUG NOPSA-P 4546   1306496410201 1306496387535 05-27 11 40 12 251  DEBUG NOPSA-P 4546   1306496408950 1306496387535 05-27 11 40 12 251  DEBUG NOPSA-P 4546   1306496409878 1306496387535 05-27 11 40 12 251  DEBUG NOPSA-P 4546   1306496410037 1306496387535 05-27 11 40 12 261  DEBUG NOPSA-P 4546   1306496408214 1306496387535 05-27 11 40 12 311  DEBUG NOPSA-P 4546   1306496405988 1306496387535 05-27 11 40 12 341  DEBUG NOPSA-P 4546   1306496411254 1306496387535 05-27 11 40 12 371  DEBUG NOPSA-P 4546   1306496409327 1306496387535 05-27 11 40 12 442  DEBUG NOPSA-P 4546   1306496410398 1306496387535 05-27 11 40 12 471  DEBUG NOPSA-P 4546   1306496412431 1306496387535 05-27 11 40 12 521  DEBUG NOPSA-P 4546   1306496409478 1306496387535 05-27 11 40 12 553  DEBUG NOPSA-P 4546   1306496411508 1306496387535 05-27 11 40 12 671  DEBUG NOPSA-P 4546   1306496412639 1306496387535 05-27 11 40 12 711  DEBUG NOPSA-P 4546   1306496410566 1306496387535 05-27 11 40 12 841  DEBUG NOPSA-P 4546   1306496412813 1306496387535 05-27 11 40 12 891  DEBUG NOPSA-P 4546   1306496411865 1306496387535 05-27 11 40 13 001  DEBUG NOPSA-P 4546   1306496412983 1306496387535 05-27 11 40 13 051  DEBUG NOPSA-P 4546   1306496412025 1306496387535 05-27 11 40 13 193  DEBUG NOPSA-P 4546   1306496413166 1306496387535 05-27 11 40 13 231  DEBUG NOPSA-P 4546   1306496409678 1306496387535 05-27 11 40 13 251  DEBUG NOPSA-P 4546   1306496410201 1306496387535 05-27 11 40 13 251  DEBUG NOPSA-P 4546   1306496409878 1306496387535 05-27 11 40 13 251  DEBUG NOPSA-P 4546   1306496410037 1306496387535 05-27 11 40 13 251  DEBUG NOPSA-P 4546   1306496408950 1306496387535 05-27 11 40 13 261  DEBUG NOPSA-P 4546   1306496408214 1306496387535 05-27 11 40 13 271  DEBUG NOPSA-P 4546   1306496412198 1306496387535 05-27 11 40 13 321  DEBUG NOPSA-P 4546   1306496405988 1306496387535 05-27 11 40 13 341  DEBUG NOPSA-P 4546   1306496411254 1306496387535 05-27 11 40 13 371  DEBUG NOPSA-P 4546   1306496409327 1306496387535 05-27 11 40 13 431  DEBUG NOPSA-P 4546   1306496413405 1306496387535 05-27 11 40 13 441  DEBUG NOPSA-P 4546   1306496410398 1306496387535 05-27 11 40 13 481  DEBUG NOPSA-P 4546   1306496412431 1306496387535 05-27 11 40 13 532  DEBUG NOPSA-P 4546   1306496409478 1306496387535   This is the latest Code  gameOn is a boolean  for now it s true   private void startGameTimeElapseThread        if  gameOn           new Thread new Runnable                 Date d   new Date                public void run                          Log d TAG    d getTime    ms    d getTime   1000  sec                        postInvalidate 795  150  1024  300                       android os SystemClock sleep 1000                        startGameTimeElapseThread                              start              The output is   05-27 12 00 51 211  DEBUG NOPSA-P 5098   1306497650761ms  1306497650sec 05-27 12 00 51 211  DEBUG NOPSA-P 5098   1306497650786ms  1306497650sec 05-27 12 00 51 221  DEBUG NOPSA-P 5098   1306497650764ms  1306497650sec 05-27 12 00 51 221  DEBUG NOPSA-P 5098   1306497650763ms  1306497650sec 05-27 12 00 51 221  DEBUG NOPSA-P 5098   1306497650769ms  1306497650sec 05-27 12 00 51 231  DEBUG NOPSA-P 5098   1306497650749ms  1306497650sec 05-27 12 00 51 231  DEBUG NOPSA-P 5098   1306497650736ms  1306497650sec 05-27 12 00 51 231  DEBUG NOPSA-P 5098   1306497650742ms  1306497650sec 05-27 12 00 51 241  DEBUG NOPSA-P 5098   1306497650746ms  1306497650sec 05-27 12 00 51 241  DEBUG NOPSA-P 5098   1306497650848ms  1306497650sec 05-27 12 00 51 251  DEBUG NOPSA-P 5098   1306497650729ms  1306497650sec 05-27 12 00 51 271  DEBUG NOPSA-P 5098   1306497650739ms  1306497650sec 05-27 12 00 51 271  DEBUG NOPSA-P 5098   1306497650739ms  1306497650sec 05-27 12 00 51 271  DEBUG NOPSA-P 5098   1306497650868ms  1306497650sec 05-27 12 00 51 271  DEBUG NOPSA-P 5098   1306497650798ms  1306497650sec 05-27 12 00 51 281  DEBUG NOPSA-P 5098   1306497650870ms  1306497650sec 05-27 12 00 51 291  DEBUG NOPSA-P 5098   1306497651020ms  1306497651sec 05-27 12 00 51 551  DEBUG NOPSA-P 5098   1306497651498ms  1306497651sec 05-27 12 00 51 551  DEBUG NOPSA-P 5098   1306497651502ms  1306497651sec 05-27 12 00 51 642  DEBUG NOPSA-P 5098   1306497651523ms  1306497651sec 05-27 12 00 51 651  DEBUG NOPSA-P 5098   1306497651537ms  1306497651sec 05-27 12 00 51 691  DEBUG NOPSA-P 5098   1306497651529ms  1306497651sec 05-27 12 00 51 701  DEBUG NOPSA-P 5098   1306497651534ms  1306497651sec 05-27 12 00 51 784  DEBUG NOPSA-P 5098   1306497651527ms  1306497651sec 05-27 12 00 51 801  DEBUG NOPSA-P 5098   1306497651570ms  1306497651sec 05-27 12 00 51 801  DEBUG NOPSA-P 5098   1306497651564ms  1306497651sec 05-27 12 00 51 891  DEBUG NOPSA-P 5098   1306497651682ms  1306497651sec 05-27 12 00 51 891  DEBUG NOPSA-P 5098   1306497651690ms  1306497651sec 05-27 12 00 51 891  DEBUG NOPSA-P 5098   1306497651685ms  1306497651sec 05-27 12 00 51 901  DEBUG NOPSA-P 5098   1306497651693ms  1306497651sec 05-27 12 00 51 914  DEBUG NOPSA-P 5098   1306497651647ms  1306497651sec 05-27 12 00 51 914  DEBUG NOPSA-P 5098   1306497651667ms  1306497651sec 05-27 12 00 51 921  DEBUG NOPSA-P 5098   1306497651666ms  1306497651sec 05-27 12 00 51 921  DEBUG NOPSA-P 5098   1306497651658ms  1306497651sec 05-27 12 00 51 921  DEBUG NOPSA-P 5098   1306497651663ms  1306497651sec 05-27 12 00 51 932  DEBUG NOPSA-P 5098   1306497651688ms  1306497651sec 05-27 12 00 51 941  DEBUG NOPSA-P 5098   1306497651711ms  1306497651sec 05-27 12 00 51 961  DEBUG NOPSA-P 5098   1306497651792ms  1306497651sec 05-27 12 00 51 971  DEBUG NOPSA-P 5098   1306497651629ms  1306497651sec 05-27 12 00 51 981  DEBUG NOPSA-P 5098   1306497651714ms  1306497651sec 05-27 12 00 52 083  DEBUG NOPSA-P 5098   1306497652048ms  1306497652sec

User · Answer

Write Thread sleep 1000   it will make the thread sleep for 1000ms

User · Answer

You need the sleep method of the Thread class   public static void sleep  long time  Causes the thread which sent this message to sleep for the given interval of time  given in milliseconds   The precision is not guaranteed - the Thread may sleep more or less than requested  Parameters time    The time to sleep in milliseconds

User · Answer

You can try this one it is short     SystemClock sleep 7000     It will sleep for 7 sec look at documentation

User · Answer

I just add this line exactly as it appears below  if you need a second delay    try       Thread sleep 1000     catch InterruptedException e           Process exception     I find the catch IS necessary  Your app can crash due to Android OS as much as your own code

User · Answer

Don t use wait    use either android os SystemClock sleep 1000   or Thread sleep 1000     The main difference between them is that Thread sleep   can be interrupted early -- you ll be told  but it s still not the full second  The android os call will not wake early

[java] How to "wait" a Thread in Android

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