On the response of two click events when checkboxes are nested in ListView

On the response of two click events when checkboxes are nested in ListView In the near future, the company's project needs to add the select all / deselect all function, and the project used the ListView+CheckBox scheme before, and kept the click event of ListView's item and the click event of CheckBox at the same time ...

Posted on Wed, 01 Apr 2020 21:23:56 -0400 by kristy7

Android animation foundation transform animation case (2)

I've talked about blending transform Animation before. What I'm going to say here is to write an Animation set (we know that there is a set container in JAVA, and the characteristics of the set container are: 1. Disorder; 2. No repetitive elements. Set in Mathematics) is used to store multiple Animation objects. This is ...

Posted on Wed, 01 Apr 2020 18:33:23 -0400 by izy

Learn the multi layout use of ListView (with EditText's editable state switch)

Learn the multi layout use of ListView (with EditText's editable state switch) 1, Key adapters Tell me about my problems: Because the type value returned by the getItemViewType I set is equal to the getViewTypeCount, the unknown ArrayIndexOutOfBoundsException is caused, which has been explained in the code. package ...

Posted on Wed, 01 Apr 2020 17:33:26 -0400 by KyleVA

Chapter 58. Photo function realization (learn Android from scratch)

Come from: http://blog.csdn.net/jianghuiquan/article/details/8569187 Android has two ways to take photos: one is to call the system's photo Intent directly, use onActivityResult to get picture resources or specify a picture path, and read the picture after the photo returns successfully; the other is to use Sur ...

Posted on Wed, 01 Apr 2020 15:23:34 -0400 by toxic_brain

Adaptive height of WebView in Xamarin Forms

In Xamarin.Forms, if WebView is nested in StackLayout and RelativeLayout, it must set the highrequest and WidthRequest properties to render. However, in the actual project, the content of WebView is often not fixed, which results in the unsatisfactory display effect after setting the highrequest and WidthRequest, either high or short, which gre ...

Posted on Wed, 01 Apr 2020 12:53:23 -0400 by michibk

android hands on to teach you how to develop launcher (I) (android studio version)

Android skips the boot interface, directly launches the software itself, Android makes its own desktop instead of the native desktop, Android develops its own desktop launcher, which is android's desktop application. Next, we will develop our own launcher to replace the default launcher of the system.How can we make ou ...

Posted on Wed, 01 Apr 2020 10:47:57 -0400 by Headwaters

Android advanced course - AsyncHttpClient

First, add dependency in gradle: compile 'com.loopj.android:android-async-http:1.4.9' AsyncHttpClient features: Make the asynchronous HTTP request to process the response. Anonymous callback External UI thread for HTTP request Please use ThreadPool to use resource cap in parallel GET/POST access Code demonstra ...

Posted on Wed, 01 Apr 2020 10:14:30 -0400 by cullouch

Interaction between android and js: jsbridge usage

As we all know, some functions of app may be developed in H5, which will inevitably encounter the mutual call between java and js. android uses WebView javascriptbridge to realize the interaction between js and java. Here is an introduction to the use of the third-party library of JsBridge. github portal: https://githu ...

Posted on Wed, 01 Apr 2020 10:06:55 -0400 by ericburnard

On snake bar

SnackBar is a newly added control in Android Support Library 22.2.1. We can simply understand it as an enhanced version of Toast or a lightweight Dialog.   Characteristic: 1. The purpose of snackBar is the same as that of Toast, which is used to prompt the user for the results after operation. 2. When the snackBar is displayed, the position i ...

Posted on Wed, 01 Apr 2020 09:02:59 -0400 by napier_matt

Android animation foundation transform animation case (4)

   today I'll talk about activity switching animation. Activity switching animation refers to the animation of activity jump, which is divided into: one animation of activity exit and the other animation of activity entry. After Android 2.0, there is a way to achieve this effect - override pending transition ...

Posted on Wed, 01 Apr 2020 07:20:08 -0400 by sargus