In Android, set data source for ListView list view through array resource file xml and adapter

scene The effect is as follows     Note: Blog: https://blog.csdn.net/badao_liumang_qizhi Pay attention to the public address Domineering procedural ape Get programming related ebooks, tutorials and free downloads. Realization Change the layout to LinearLayout, set it to vertical layout through Android: orientation = "vertical" > ...

Posted on Tue, 07 Jan 2020 10:33:05 -0500 by jllydgnt

Education System APP

Android Studio Makes Welcome Interface and App Icons & Android - How to Display Version Number and Make a 3-second Jump Page This project uses Android Studio 3.0.1 as the development tool to complete the first task.Click APP today, enter the welcome screen, jump to the home page after three seconds, display Helloworld, and you'll be done.Ap ...

Posted on Tue, 07 Jan 2020 02:32:34 -0500 by shaneiadt

NestedScrollView nesting RecyclerView, switching the page RecyclerView to automatically roll (jump to) the top of NestedScrollView

NestedScrollView nesting RecyclerView, switching the page RecyclerView to automatically roll (jump to) the top of NestedScrollView When nested RecyclerView is nested in NestedScrollView, when the page switches back and forth, for example, layout files are nested and written as follows: <?xml version="1.0" encoding="utf-8"? ...

Posted on Tue, 07 Jan 2020 01:39:43 -0500 by bj_

Use of TabLayout and precautions (background color + text size)

1. Need to add referenced package in build compile 'com.android.support:design:25.2.0' 2. Layout: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="@ ...

Posted on Tue, 07 Jan 2020 01:31:24 -0500 by The Chancer

Xamarin.Forms pop-up dialog plugin

WeChat public address: Dotnet9 Website: Dotnet9 , questions or suggestions, please leave a message on the website;If you think Dotnet9 is helpful to you, please appreciate it. Xamarin.Forms pop-up dialog plugin Content directory Realization effect Business scenario Coding implementation Reference in this article Source download 1. Effect P ...

Posted on Tue, 07 Jan 2020 01:02:09 -0500 by friedice

Example: Using messaging to communicate between activities and services

I couldn't find any examples of how to send messages between activities and services, and I spent too much time figuring this out.This is a sample project for others to refer to. This example allows you to start or stop a Service directly and bind/unbind to it separately.When the Service is running, it will increase at 10 Hz.If the activity ...

Posted on Mon, 06 Jan 2020 21:45:15 -0500 by scottgum

Using SeekBar drag bar to change image transparency in Android

scene Effect     Note: Blog: https://blog.csdn.net/badao_liumang_qizhi Pay attention to the public address Domineering procedural ape Get programming related ebooks, tutorials and free downloads. Realization Change the layout to LinearLayout and set it to vertical by android:orientation= "vertical" >, then add an ImageView and S ...

Posted on Mon, 06 Jan 2020 21:22:03 -0500 by vaavi8r

Reading, writing and encapsulation of configuration file in Python, storing the data of step change in the program

1. What's the advantage of putting the data that doesn't change frequently in the program in the configuration file? Put the configuration together for unified management, convenient maintenance and modification 2. structure The files with. conf,. ini as extension are called configuration files English is used in the configuration file; for co ...

Posted on Mon, 06 Jan 2020 18:58:21 -0500 by demonicfoetus

The solution to the error of installing. / bkcec install paas (the problem caused by coding)

Wang 5 of Haoding: solution to error reporting in installation. / bkcec install paas (problems caused by coding) Key words: blue whale smart cloud installation error report 1. Error message: install pbr failed The error message is as follows: byte-compiling build/bdist.linux-x86_64/egg/pip/_vendor/html5lib/treewalkers/ ...

Posted on Mon, 06 Jan 2020 03:11:05 -0500 by scottd

Android layout manager - simple login window layout with LinearLayout

scene Android layout manager - learn how to use the relative layout manager from an example: https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/103838924 Linear layout is divided into horizontal and vertical linear layout. The effect is as follows     Note: Blog: https://blog.csdn.net/badao_liumang_qizhi Pay attention to the public ad ...

Posted on Mon, 06 Jan 2020 01:52:09 -0500 by Popple3