Talk about the dark color mode of Flutter

1, Preface Now it's mainstream for app s to adapt to the dark color mode. Because the project has just started, we plan to take the dark color mode into consideration at the beginning. We don't have to use it, but at least we need to leave a good gap so that when there is a demand in the futureUTF-8...

Posted by mehaj on Sun, 30 May 2021 05:14:49 +0930

[iOS] - Foundation framework Dictionary (NSDictionary and NSMutableDictionary)

7.8 Dictionary (NSDictionary and NSMutableDictionary) NSDictionary is used to save data with mapping relationship. Therefore, there are two groups of values in NSDictionary collection. One group of values is used to save the key in NSDictionary, and the other group of values is used to save theUTF-8...

Posted by anna_cm on Sun, 06 Jun 2021 03:34:24 +0930

OC technology QQ third party login details (video teaching)

I always feel that what I write is not the technology, but the feelings. Each tutorial is the trace of my way. Success depends on professional skills is the most replicable. I hope my path can help you avoid detours. I hope I can help you erase the dust of knowledge. I hope I can help you clariUTF-8...

Posted by brent123456 on Fri, 11 Jun 2021 05:24:21 +0930

iOS common filter implementation summary

In IOS, you can use the method provided by the system to achieve the path effect: the required class is: CIContext, CIImage, CIFilter How to use CIFilter to achieve filter effect: 1. Create image context CIContext 2. Create the filtered original image CIImage 3. Create filter CIFilter 4. Call tUTF-8...

Posted by boon4376 on Mon, 28 Jun 2021 03:55:16 +0930

Swift - why is the result of String converting Int nil

abstract Know what it is, but also know why it is. Some time ago, when the String was used to convert into Int, it was found that nil was returned in one case, and then it was converted into String to Double. Today we will see how the return to nil is caused. When String text with decimals is cUTF-8...

Posted by neonorange79 on Fri, 23 Jul 2021 07:49:38 +0930

Packable ideal serialization scheme

1, Foreword When we need to store or transmit some information, we usually need to use a data protocol to convert the information into a form that can be stored or transmitted (binary byte stream, encoded text, etc.). In particular, when the data source is an object, the process of converting tUTF-8...

Posted by johnnyk on Thu, 05 Aug 2021 05:49:17 +0930

Technical practice phase II Flutter exception capture

Introduction: application performance stability is a key link in a good user experience. In order to better ensure the stability of application performance, exception capture plays a vital role in ensuring the stability of online products. After launching U-APM mobile application performance moUTF-8...

Posted by jkurrle on Mon, 13 Dec 2021 12:41:11 +1030

Android & the most comprehensive introduction to the use of the dialog box, full of dry goods

Get context Get the context object passed in when creating AlertDialog Context getContext () Can I cancel The default is true, that is, clicking outside the dialog box will close the dialog box If false, it will not be closed AlertDialog.Builder setCancelable (boolean cancelable) title AlertDiaUTF-8...

Posted by jamesm6162 on Sat, 18 Dec 2021 02:08:12 +1030

Swift basic introductory knowledge learning (24) - Protocol (agreement) - tell you to understand

8 tips for TED speech: Learn 18 minutes of efficient expression - key notes Swift basic introductory knowledge learning (23) - Extension - tell you to understand Understanding difficulty ★★★★★ Practical degree ★★☆☆☆ Protocol is an important feature of Swift. It defines the methods and attributUTF-8...

Posted by platnium on Sun, 19 Dec 2021 12:26:10 +1030

Design of iOS performance monitoring scheme

I've been doing app performance monitoring recently. It is mainly monitored from several indicators of startup time, first screen time and operation time, and indicators of other dimensions will be added later Startup time startup time is mainly divided into cold startup and hot startup. AmongUTF-8...

Posted by dawho9 on Mon, 20 Dec 2021 18:02:53 +1030