Mobile Questions

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Logging in J2ME

What logging solutions exist for j2me? i'm specifically interested in easily excluding logging for "release" version, to have a smaller
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Not able to find flutter.h file

Spent an hour trying to debug this error with stack overflow and github. any help appreciated. i tried the deleting ios file and doing flutter
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StaggeredGridView is undefined

Import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart'; //import libray flutter_staggered_grid_view: ^0.5.0 //
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Flutter Widget Function

Is there any similar source or tutorial that you recommend that is similar to this function of the widget?

Self Launch Using Flutter?

I am new to flutter somehow and i was wondering is there a way to make my application force open itself..like self-launch? i am trying to make an
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Realm, searching in String list

I have an items (realmobject) and they have barcodes (realmlist). i have to query which item contains a searched barcode. public

Changing Text Color onTap, Flutter

I am an android developer new to flutter and i am trying to create 3 grey text widgets where when a user clicks one, the clicked one becomes blue
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Google play test purchase

I recently released a mobile app and everything was working great...at first. the app is free with an option to subscribe yearly. unfortunately,
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