Presenting a UIImagePickerController is quite slow











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My phone has about 2000 photos. When I present a UIImagePickerController, it takes ~3-4 seconds. How can I optimize this operation?



Thank you.










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  • Is this Issue in your actual device ?
    – Vicky_Vignesh
    Nov 19 at 6:49










  • what type of iPhone?
    – Vanya
    Nov 19 at 8:46










  • you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
    – Samer Murad
    Nov 19 at 8:55










  • Yes, my iphone 6.
    – porthuas
    Nov 20 at 3:41










  • Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
    – Tamás Sengel
    Nov 20 at 13:04

















up vote
-3
down vote

favorite












My phone has about 2000 photos. When I present a UIImagePickerController, it takes ~3-4 seconds. How can I optimize this operation?



Thank you.










share|improve this question
























  • Is this Issue in your actual device ?
    – Vicky_Vignesh
    Nov 19 at 6:49










  • what type of iPhone?
    – Vanya
    Nov 19 at 8:46










  • you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
    – Samer Murad
    Nov 19 at 8:55










  • Yes, my iphone 6.
    – porthuas
    Nov 20 at 3:41










  • Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
    – Tamás Sengel
    Nov 20 at 13:04















up vote
-3
down vote

favorite









up vote
-3
down vote

favorite











My phone has about 2000 photos. When I present a UIImagePickerController, it takes ~3-4 seconds. How can I optimize this operation?



Thank you.










share|improve this question















My phone has about 2000 photos. When I present a UIImagePickerController, it takes ~3-4 seconds. How can I optimize this operation?



Thank you.







ios uiimagepickercontroller






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 20 at 13:05









Tamás Sengel

25.4k136392




25.4k136392










asked Nov 19 at 6:45









porthuas

11




11












  • Is this Issue in your actual device ?
    – Vicky_Vignesh
    Nov 19 at 6:49










  • what type of iPhone?
    – Vanya
    Nov 19 at 8:46










  • you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
    – Samer Murad
    Nov 19 at 8:55










  • Yes, my iphone 6.
    – porthuas
    Nov 20 at 3:41










  • Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
    – Tamás Sengel
    Nov 20 at 13:04




















  • Is this Issue in your actual device ?
    – Vicky_Vignesh
    Nov 19 at 6:49










  • what type of iPhone?
    – Vanya
    Nov 19 at 8:46










  • you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
    – Samer Murad
    Nov 19 at 8:55










  • Yes, my iphone 6.
    – porthuas
    Nov 20 at 3:41










  • Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
    – Tamás Sengel
    Nov 20 at 13:04


















Is this Issue in your actual device ?
– Vicky_Vignesh
Nov 19 at 6:49




Is this Issue in your actual device ?
– Vicky_Vignesh
Nov 19 at 6:49












what type of iPhone?
– Vanya
Nov 19 at 8:46




what type of iPhone?
– Vanya
Nov 19 at 8:46












you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
– Samer Murad
Nov 19 at 8:55




you should include more details about your situation, what are you trying to achieve, a snippet of your code, anything that can help pinpoint what might be the problem, more often than not, the assumption of the problem is not the real problem, The UIImagePickerController displays a list of assets that have cached thumbnails, such a list should work smoothly regardless of the amount of photos on the device, most likely, there is a problem in your code that denies the UIImagePickerController to pop up when you click on the import button, sharing you code/implementation will probably help
– Samer Murad
Nov 19 at 8:55












Yes, my iphone 6.
– porthuas
Nov 20 at 3:41




Yes, my iphone 6.
– porthuas
Nov 20 at 3:41












Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
– Tamás Sengel
Nov 20 at 13:04






Sadly, this is just a side effect of using a UIImagePickerController. You can handle this issue by implementing a custom image picker which uses a more efficient image loading or simply displaying an activity indicator to let the user know that it's loading.
– Tamás Sengel
Nov 20 at 13:04














1 Answer
1






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oldest

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up vote
0
down vote













Write the code of UIImagePickerController inside the DispatchQueue.



DispatchQueue.main.async {
//UIImagePickerController code goes here
}





share|improve this answer



















  • 1




    Can you explain how and why this makes anything faster?
    – Gereon
    Nov 19 at 10:57










  • Will it block the main thread?
    – porthuas
    Nov 20 at 3:39











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1






active

oldest

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up vote
0
down vote













Write the code of UIImagePickerController inside the DispatchQueue.



DispatchQueue.main.async {
//UIImagePickerController code goes here
}





share|improve this answer



















  • 1




    Can you explain how and why this makes anything faster?
    – Gereon
    Nov 19 at 10:57










  • Will it block the main thread?
    – porthuas
    Nov 20 at 3:39















up vote
0
down vote













Write the code of UIImagePickerController inside the DispatchQueue.



DispatchQueue.main.async {
//UIImagePickerController code goes here
}





share|improve this answer



















  • 1




    Can you explain how and why this makes anything faster?
    – Gereon
    Nov 19 at 10:57










  • Will it block the main thread?
    – porthuas
    Nov 20 at 3:39













up vote
0
down vote










up vote
0
down vote









Write the code of UIImagePickerController inside the DispatchQueue.



DispatchQueue.main.async {
//UIImagePickerController code goes here
}





share|improve this answer














Write the code of UIImagePickerController inside the DispatchQueue.



DispatchQueue.main.async {
//UIImagePickerController code goes here
}






share|improve this answer














share|improve this answer



share|improve this answer








edited Nov 19 at 8:41









Kuldeep

2,43631434




2,43631434










answered Nov 19 at 7:07









SAIF

115




115








  • 1




    Can you explain how and why this makes anything faster?
    – Gereon
    Nov 19 at 10:57










  • Will it block the main thread?
    – porthuas
    Nov 20 at 3:39














  • 1




    Can you explain how and why this makes anything faster?
    – Gereon
    Nov 19 at 10:57










  • Will it block the main thread?
    – porthuas
    Nov 20 at 3:39








1




1




Can you explain how and why this makes anything faster?
– Gereon
Nov 19 at 10:57




Can you explain how and why this makes anything faster?
– Gereon
Nov 19 at 10:57












Will it block the main thread?
– porthuas
Nov 20 at 3:39




Will it block the main thread?
– porthuas
Nov 20 at 3:39


















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