Android

Custom controls write controls to their own needs. Android's own controls sometimes don't meet your needs, and at this point we can only implement the controls that fit the project. At the same time, Android allows you to inherit existing controls

Objective: Before entering today's topic, or the old way to talk about feeling it, recently feel the whole lost sense of direction, good confused! Looking for a job has failed again, is Android really saturated? These two days I have not gone out,

Objective It is well known that in the development of Android applications, there may be demand, such as: when the promotion to the application market to download applications, jump to the application market to their own application scoring, jump

Learn powerful accessibilityservice!!! Below is the core code for micro-letter automatic greeting to nearby people, based on the idea of automatic robbery of red envelopes public class Autoservice extends Accessibilityservice implements View.

Android Multi-point touch knowledge points 1, Scalegesturedetector2, Onscalegesturelistener3. Matrix4, Ontouchlistener Four points of knowledge need to be aware that the matrix in memory is a one-dimensional array, manipulating the image of the

Recently in the development browser encountered such a demand: Click on the Address bar, you need to select all and bring up the keyboard, click again to cancel the full selection of the display cursor. Click on the screen in addition to other

Here to share an interesting animation: here is more suitable for a picture of the flip, if it is more than one picture, you can refer to the example in Apidemo, is to add a arrayadapter, or simple, you can make their own changes to achieve their

Broadcast Receiver Introduction Broadcast receiver is one of the top five components of Android and is used very frequently. Used for asynchronous reception of broadcast intent, broadcast intent sent by calling Context.sendbroadcast (), broadcast

First build the layout file, the interface is very simple, is a search box and the following contact list: Copy Code code as follows: Android:layout_width= "Fill_parent" android:layout_height= "Fill_parent" Android:background=

Has learned a custom control implementation, is Andriod custom control of the audio bar, has not learned the students can learn, the students have to study the next, must be fully mastered their own, and then continue to learn, can chew is not a

Activities provides an easy to manage dialog box mechanism for creating, saving, and replying, such as Oncreatedialog (int), onpreparedialog (int, Dialog), ShowDialog (int), Methods such as DismissDialog (int), which, if used, will return the

As a developer, we need to constantly think about the problem from the user's perspective, for example, when the App store downloads software, when the user clicks on the download button, there will be download progress prompts the page appears, now

This function is due to the development of the project, because the background interface some parameters of the value of the length of the request, can not exceed the number of characters, so the edit box to enter the characters are limited. Here

1. The starting point for all processes is to start by pressing the dialing key after dialing, the code for this step is/android sourcecode/packages/contacts/src/com/android/contacts/ In the Twelvekeydialer.java file for the directory, the relevant

Typically, if we want to use the SIM card Dial-up feature, we need to do a simple configuration in the setup, steps are as follows： Settings-"Wireless and network-" mobile network-(enabled data/data roaming/access point name/2G network/network

Objective: Recently, the company's C-round financing was successful, the mobile team is ready to expand, the need to recruit Android development engineers, and continued to interview several Android candidates, interview process to talk about how

There are many tutorials on the web, the cue box character set is written in advance, for example, with a string[] array to contain the data, but we can also the user entered as a history record save Here's the code I wrote first: Import

android ListView Optimization, in the Android project, in the use of the ListView interface and data display, this time if the resources are too large, for the project, the user experience is certainly bad, here on how to optimize the detailed

Android implementation of nine Sudoku pattern unlock, with the pattern into a digital password function, the code is as follows: Lockpatternview.java Package Com.jackie.lockpattern; Import Android.content.Context; Import

Before the work, the need to implement a function is the GridView in the item can be free to drag, think about it, in fact, not very difficult to achieve, the main work is to exchange nodes, as well as the moving effect of the drag, the following