Android

To talk to you today about Android's understanding of several properties of FontMetrics, the final size of the text in Android is related to the type and font size of the font used to draw the text. Set Font type Paint.settypeface (typeface

Friends familiar with smartphones know one of the widely used mobile operating system Android open source mobile OS. So what should we do if we want to realize the listening function of the call in this system? Here is a detailed introduction to the

Objective Single sign-on SSO (Sign on) It's easy to say that in a multiple-system environment where a user logs in one place, they don't have to log on to another system, which means that a user's login can be trusted by all other systems. Single

A few days ago, we client side of the market received a demand, we need to order after the deal, our client has a copy of the transaction voucher function, then how to upload the image on the Android function? Before I code, I ask myself a few

Before the internet looked at the custom message bar, notice bar, learned that notification this control, found that UC browsers are this type, today to write a demo implementation, as shown: Each of these buttons has a different function, and the

With the development of mobile hardware, Android's camera is becoming more and more powerful, and can find high resolution images.Some scenes need to be photographed and uploaded to the service, but because the size of the picture is too large, then

These last few months are in preparation for a job and looking for work, pay a lot, finally is a little harvest, so did not how to organize notes. Only recently have the time to put up their own notes, share my learning experience. Push offDue to

Mobile devices are too many, the resolution is not the same, see most of the Internet to adapt to the font method is defined values320x480 or value-hdpi way to deal with.Adopt the first kind of is miserable, the resolution of many equipments is

Copy Code code as follows: /** * * @author CHRP * * Display current battery charge */ public class Mainactivity extends activity { Private TextView TV; /** * Broadcast Recipient */ Class Batteryreceiver extends broadcastreceiver{

Intent, also known as intent, is a run-time binding mechanism that links two different components (activity, Service, Broadcastreceiver) in the process of running a program. By intent, the program can express some kind of request or intention to

Today I'm going to share the learning experience of the Android Bullet Screen Framework (danmakuflamemaster) by Bilibili Open source. I am the entire framework in the form of model into the project, so more convenient to observe the source code.

For the touch screen, its original message is nothing more than press, lift, move these several, we only need to simply overload Ontouch or set the touch listener Setontouchlistener can be processed. However, in order to improve the user experience

Some recent learning experience: function Realization: Click on the round avatar can upload or open the camera, and then the resulting picture after cutting, the cut of the picture set as the head of the background image Step: Step One: Customize

First, open the Android local app via HTML page 1, first in writing a simple HTML page Copy Code code as follows: insert title here Open app 2, in the Android local app configuration

In Android development, view is the technology that we have to touch to show. Typically, as the view becomes more complex, the performance of the overall layout decreases. Here's a view that promotes layout performance in some scenarios, which is

First, simple version Copy Code code as follows: Import Java.io.FileInputStream; void Readfileonline () { String strFileName = "Filename.txt"; FileInputStream FIS = openfileinput (strFileName); StringBuffer sbuffer = new

Galleries are available in many app designs, as shown in the following illustration: The example is when I am OK to write a small project, the specific source address please visit https://github.com/AlexSmille/YingMi. The gallery similar to the

This example describes how Android gets the avatar of a contact. Share to everyone for your reference, specific as follows: Public byte[] Getphoto (string people_id) { string photo_id = null; String Selection1 = contactscontract.contacts._id

The examples in this article describe the digital formatting usage that Android implements. Share to everyone for your reference, specific as follows: Package formatnumber; Import Java.text.DecimalFormat; public class FormatNumber {public

This article illustrates an Android implementation that reads pictures from the cache and loads the function classes asynchronously. Share to everyone for your reference, specific as follows: In the microblog list of Sina Weibo pictures, in order