Programmer Group

Preface Gesture recognition is very common in Android development applications Today, carson will explain in detail the Android Gesture Recognition class: the use of the GestureDetector class.(with examples) Catalog brief introduction Next, I'll take an ex amp le and describe in detail the u ...

This series of articles mainly introduces the open source Tangram Experience and principle of using framework, because Tangram bottom layer is based on vlayout The series will be introduced according to the following outline: Demand background Tangram and vlayout introduction Use of Tangram vlayout principle Tangram principle Tangram secondary ...

When appium+python writes automated test cases, it is very common to divide them into different classes for the sake of code maintainability, But at runtime, each class needs to be initialized on ...

This series of articles focuses on the Tmall team's open source Tangram How to use the framework and why, since Tangram's underlying layer is based on vlayout This series will be outlined below: Demand Background Introduction to Tangram and vlayout Use of Tangram vlayout principle Tangram principle Tangram secondary packaging This article int ...

Android Chart Gallery MPAndroidChart(6) - A new way of thinking, the implementation of horizontal bar charts 1. Basic implementation We've achieved bar charts before, but now let's see how horizontal bar charts work. To put it in perspective, we'll just cross them and see the effect: It's much easier now to write a b ...

Recently upgraded to Android Studio 3.0, there was a sudden error when packaging the test. The error is as follows: Error:Cannot choose between the following configurations of project :UMUpdate: - debugApiElements - debugRuntimeElements - releaseApiElements - releaseRuntimeElements All of them match the consumer attributes ...

To be honest, the definition of paging data source is too tedious, so it's encapsulated twice, without any intrusion, clean and neat. It's preserved for the time being, maybe it can be used in my life.. package com.lk.care.respository import androidx.paging.DataSource import androidx.paging.PageKeyedDataSource import androidx.paging.PagedList ...

According to the American Association of motor vehicle managers (AAMVA https://www.aamva.org/DL-ID-Card-Design-Standard/ )According to the regulations of PDF417, the US driver's license uses PDF417 code, as shown in the following figure: Google Mobile Vision SDK The Google service supports driver license resolution. You can find the correspond ...

In ios7, there is a flat style control called SegmentedControl, which is divided into rows with several buttons separated by simple lines. Only one button can be selected per click. It is similar to tabbar but slightly different. This control is used by new qq mobile client. However, there are no ready-made controls available in android, but th ...

In Android, attribute animation is a very interesting function to control the animation effect of parameter transformation Compared with gif image, animation controls need to save space and increase response speed main points: (1) Use PercentLayout to set the size of custom controls (2) The two important functions of attribute animation are ...