Ok, I understand the principle behind this, but unsure how it would be implemented.
How could you you get the current start time when the value of X is greater than 30 for example, so it wouldnt start if it was below this. Im unsure of how to pass in the value of x into this? On Oct 3, 6:29 pm, RichardC <richard.crit...@googlemail.com> wrote: > Doing simple linear from the 1st sample: > > When we start we will have: > originalX at time originalTime > > When a sample arrives we will have: > currentX at time currentTime > > Therefore the rate of change of X to now is given by: > rateX = (currentX – originalX) / (currentTime – originalTime) > > So time needed to get to endX (your value 40) from currentX > timeNeeded = (endX – currentX) * rateX > > However if currentX is fluctuating a large amount then so will > timeNeeded. You can use this approach with more points (taking their > average) for a more stable approximation. > > On Oct 3, 6:08 pm, Lance Nanek <lna...@gmail.com> wrote: > > > > > When you first go above the start threshold then set a member variable > > to the time. When you go above the end threshold then subtract that > > from the current time to get the time elapsed. > > > On Oct 3, 11:43 am, Sonic <nitroussi...@googlemail.com> wrote: > > > > Hi All, > > > > I'm wondering how I would go about the following: > > > > An int value is sent to a textview called X for example, the value of > > > X is constantly changing, so x could equal any int. Now what Im unsure > > > how to implement is, if we say X equals 10, I want to be able to time > > > how long it takes inbetween the time X would be equal to 40 for > > > example. The values of X = 10 and X = 40 are not going to be constant > > > it will be gradually increasing, so all as I want to do is time how > > > long it takes in seconds to reach a predefined value of X. > > > > Any ideas chaps? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
