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Advantages: Reduce layout nesting Better performance More powerful Reference blog: Android ConstraintLayout use details ConstraintLayout fully parsed. Let's optimize your layout ConstraintLayout visual operation Performance advantages of ConstraintLayout Introduction steps compile 'com.android.support.constraint:con ...

date: 2020-01-12 21:46:05 Article directory control Button TextView EditText ImageView ProgressBar AlertDialog ProgressDialog layout LenearLayout android:layout_gravity android:layout_weight RelativeLayout FrameLayout Percentage layout Other Custom control ListView Customizing the ListView UI o ...

1, Before you start: Centralized login architecture design: this login is not a login request, but a judgment of whether the current login status is available. If it is not, skip the login interface; otherwise, perform the corresponding skip logic. This business is a global business, and the global b ...

Android UI Interface Design - with Reference Documents UI Interface Design 1. Basic Components 1. Text class components 1.1 TextView Reference Document docs 1.2 EditText (a subclass of the textview component) 2. Button class components 2.1 Button, a common button component (a subclass of the tex ...

Preparation Install cordova npm install -g cordova Create cordova project and add android platform cordova create Project name　Package name cd Project name cordova platform add android Install plugman npm install -g plugman Create plugin Create a plug-in (this blog demo plug-in name mytoast, package name com.digi ...

Article directory I. information Two, introduction Three. Introduction 4, Source code analysis 4.1. Create retrofit 4.1.1. Building 4.1.2. Add baseUrl 4.1.3. Add GsonConverterFactory 4.1.4.build() 4.2. Create network request 4.3. Call the network request API, generate a call, and execute the reque ...

Introduction We all know the use of ContentProvider, one of the four components, which provides you with a unified data access format. The caller doesn't need to care where the data comes from (such as DB, XML file, network, etc.), just get the corresponding ContentResolver to add, delete, query and m ...

This article has authorized WeChat public number Guo Lin (guolin_blog) to reprint. This is a progress bar with an arc. In fact, this control has been implemented for a long time, but I want to rewrite and optimize it with Kotlin and explain it. Project GitHub: CircularArcProgressView Design sketch ...

How to allow multiple lines in the edit text view of Android? #1 building This is useful for me, in fact these two attributes are important: inputType and lines. In addition, you may need a scroll bar, and the following code shows how to make one: <EditText android:id="@+id/addr_edittext" android:layout_width="fill_p ...

Android development case 2 - start and stop the service in the standard binding mode, and complete the addition calculation Preface 1. services When the startService() method is used to start the service, the execution life cycle method is onCreate(), onStartCommand(), and then the service is in the running state until the ...