Summary of macro definitions commonly used in iOS

This article mainly introduces the relevant information about macro definitions commonly used in iOS, such as UI elements, logs, systems, color classes, and so on. This article describes the place in great detail. Friends who need it can refer to it. Let's learn with the edition below. Preface Macro definitions play an importa ...

Posted by cicibo on Wed, 23 Jan 2019 17:39:13 -0800

Zero-Start Driver Development, linux Driver (28, Frameebuffer Driver Framework)

frame 1. Register a framebuffer class. 2. Register a main device number, because the number of FBS is usually relatively small, so the old interface can be used to unify the registration. 3. Implement a general fops for registration in 2. Note that this is a general one, and the special architecture in the general one still ...

Posted by dreamline on Wed, 23 Jan 2019 17:09:13 -0800

Custom View - ListView (Event Distribution) for deletable item s

The source code used in this paper: https://github.com/HeXiaosa/ItemDeletableListView This article is based on reading this article. https://blog.csdn.net/lmj623565791/article/details/22961279 And combined with Andorid to explore the development of art. Overview of event distribution Touch events in Android are mainly contro ...

Posted by whitmard on Wed, 23 Jan 2019 13:27:13 -0800

Android Builder Model

In our daily research and development, the builder model is one of the many models used. In fact, a lot of times we unconsciously use the builder model designed by others to benefit from it. For example, Gson, okHttp, Retrift. The following code: Gson gson = new GsonBuilder() .registerTypeAdapter(String.class,new Str ...

Posted by purinkle on Wed, 23 Jan 2019 12:42:13 -0800

android Continuous Photography

android Photography Layout: Use Recycler View to slide horizontally. II. Photography and System Adaptation 1. Dynamic Judgment Authority 2. FileProvider adaptation <provider android:name="android.support.v4.content.FileProvider" android:authorities="Package name.FileProvider" android:exported="false" ...

Posted by Clarkey_Boy on Wed, 23 Jan 2019 11:48:13 -0800

Delete the penultimate n node of the list

Java code implementation: Delete the penultimate node of the list Problem Description: Give you a one-way list, delete the penultimate N node of the list, and return to the head node. The number n here is a valid number. Given linked list: 1->2->3->4->5, and n = 2. After removing the penultimate node: 1 - > 2 - ...

Posted by leeming on Wed, 23 Jan 2019 09:18:13 -0800

Detailed Example of Android Access to Mobile Phone and APP Information

The frost wind is getting tighter and colder. Listen to the voice of lone geese and send out a sound of sadness. This poem in "Royal Street Journey" is just the right one to describe Beijing in this season. It's time to test perseverance when the frost blows and running becomes more and more reluctant to take off your ...

Posted by Cogen2 on Wed, 23 Jan 2019 09:03:15 -0800

Download http or https files using curl openssl under ios

To ensure compatibility of mobile terminals urlsession that cannot use ios The curl Library of C language can be used to implement the download operation.Compilation of curl in ios environment Because I compiled openssl before, I took it directly and used it. openssl is used to increase https support After compilation is passed, ...

Posted by Dizzee15 on Wed, 23 Jan 2019 01:15:14 -0800

Understanding of declare-styleable, style, Theme,?attr/ in Android

1. declare-style leable defines some attributes, writes some identical attributes together, defines a name, or can be directly defined. In the following two ways, just use declare-style leable to organize similar attributes together. When customizing View, there is also a slight difference in the way attribute values are obtain ...

Posted by unrelenting on Wed, 23 Jan 2019 01:12:15 -0800

Andrid Studio Gradle sync failed: A problem occurred configuring project': app'solution

This error occurred while I was working on Gradle sync in Android Studio. The Android Studio error prompt was Gradle sync failed: A problem occurred configuring project': app', and the last lines of the error log were like this. 2018-10-30 21:05:30,041 [thread 106] WARN - ect.sync.idea.ProjectSetUpTask - A problem occurred con ...

Posted by jp2php on Wed, 23 Jan 2019 00:42:13 -0800