ios - How to receive a touch ended event if a finger is already touching the screen when the app loads -


i need track if user touching screen across multiple views , separate screens throughout app. have created window delegate method receive every type of touch event. problem if keep 1 finger on first screen , tap button separate finger takes me second screen, when release original finger no event fired.

this problem same if hold finger on screen before app loads , release once it's started, no event fired touch ending.

i presume there in built system in ios states have start new touch once app has started or screen/view has changed, if release finger touching nothing happens.

is there way detect this? need keep constant accurate number of touches on screen throughout different screens/views within app, if user takes finger(s) off screen.


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