Android

Friends who are familiar with Android know that both the microblogging client and the news client are inseparable from the list component, and that the list component is the most important component of the Android data presentation, and we're going

Usually we write programs that are done under the pressure of the project plan, where the completed code can complete the business logic, but the performance is not necessarily the most optimized. In general, a good programmer will continue to

A small partner of the company writes that the picture can be cropped at any rate. I think it's very useful. Simply record it here and it will definitely be used later. public class Seniorcropimageview extends ImageView implements

At present, more mature applications will basically be in the application of the display of a startup interface.This startup interface is either simple, or complex, or shabby, or gorgeous, with different intentions and different styles.Here are a

Objective In the day-to-day development, we often use ViewPager+Fragment to slide the view, in some parts of the logic we may need to take advantage of the context Context (for example, Basic Toast ), but because Fragment just attached to the

First, broadcast Sender & Broadcast receiver Introduction 1. Broadcast Receivers The broadcast receiver is simply the Java class that receives the broadcast intent, and this Java class inherits the Broadcastreceiver class and overrides: public

Before we introduce the text to everyone to say the realization of ideas: First, respectively, the implementation of the splash screen, registration interface, login interface activities, and then use intent related activities connected to achieve

Let's take a look at the effect chart. How to use Sample code Promptviewhelper pvhelper = new Promptviewhelper (mactivity); Pvhelper.setpromptviewmanager (New Chatpromptviewmanager (mactivity)); Pvhelper.addprompt

In the purchase of goods, you can customize the number control, to determine the actual number of goods purchased, how to implement this control, please refer to the following: 1. Customize the requirements of the number plus and minus controls

When there is a large amount of data in the database, it is possible to raise performance problems when using cursor queries. Database query cursor will be a cursorwindow for data management, including the application of memory space and data

Hello everyone, today to explain the life cycle of Android activity, I have also talked about this aspect of the content, but like most articles on the Web, the basic translation of the Android API, too general, I believe that everyone looked, there

Android apps often interact with the server side, which requires the mobile client to send a network request, and here are four common network requests, and I've done this through the Android unit test to complete these four methods. It's not clear

This article describes the design code for the Nine program. A Related introduction (i) Effect display 1. The effect of the program just run: 2. Click on the page to select and slide the screen 3. Select the display after the password (b)

The general native and framework communication is through JNI, but this is generally just a framework call native,native What if there is a message to inform the upper level? The Android GSP module provides a solution, but the implementation is

A bugThe last few days such a bug is a runtimeexception, the details are as follows: Copy Code code as follows: Java.lang.IllegalArgumentException:View not attached to window manager At android.view.WindowManagerImpl.findViewLocked (

Trackball Track Ball This is similar to the PC above the mouse, can be used for navigation, so there is focus, but the actual operation is not very meaningful, because the whole screen is touch, and navigation to do, first focus with Trackball moved

1. Applicable scene1) ContentProvider provides a unified interface for storing and reading data 2 using ContentProvider, applications can realize data sharing 3 Android Built-in many of the data are used in the form of ContentProvider, for

Recently in doing upload file services, a simple look at the online tutorials. Share the code with practice. Because most of the internet does not have the service-side code, this can not ah, no service-side how to debug it. Ok, first go to the

In mobile applications, many times will use the image selection, image cutting and other functions. Recently I am also preparing an open source Photo album project to facilitate the development of applications later use, but also as convenient as

Recently because of the project needs, the baby has not done Android for a long time, but also because the project needs, now continue to make Android, hey, said more than tears ah, other needless to say, first to engage in a login interface to