phonebook app for android

on a 4-byte boundary (4 bytes is a good value) so that the Android system can use the mmap () (Please check the purpose of this function yourself) The function reads the file and can get high performance on the read resource, Ps:1. Alignment on a 4-byte boundary means that, in general, the compiler bar 4 bytes as a unit for reading results, so that the CPU can be efficient and fast access to variables (compared to the previous misaligned). 2. T

Android based on the linux2.6+ kernel, we look at a picture to have a perceptual understanding of the architecture of Android system.We briefly explain from the kernel layer:1, kernel layer: Based on the linux2.6+ core, at the same time do some embedded environment to do some targeted optimization adjustment.2, libraries layer: including the Bionic C library, as well as the HAL (Hardware-driven interface ab

Android simulator BlueStacks + TCPdump analyzes APP packet capture and bluestackstcpdump Recently, I want to analyze Android APP packet capture. I found some methods on the Internet, which is the most convenient for Android simulator + tcpdump in combination with my own cond

If you design and develop a web app on an Android device, you should consider the display of Web pages on different screens. Because Android has many different types of phone screens, you should consider the factors that affect the display of Web pages on Android devices.Note: The following features described in this a

; ImportAndroid.content.Context; ImportAndroid.graphics.Canvas; ImportAndroid.graphics.Color; ImportAndroid.graphics.Paint; ImportAndroid.graphics.Rect; ImportAndroid.graphics.Paint.Style; ImportAndroid.util.AttributeSet; ImportAndroid.view.View; Public classMyViewextendsView {PrivatePaint Mpaint; PrivateContext Mcontext; Private Static FinalString mstring = "Welcome to Mr Wei ' s Blog"; PublicMyView (Context context) {Super(context); } PublicMyView (Context context,attributeset attr) {S

About the Android architecture, because of the limitations of the mobile phone, I do not think there is really much to talk about, but from the perspective of development, see neat code, graceful layering is always a comfortable enjoyment.From the artistic point of view, we are actually pursuing a kind of beauty.This article analyzes several of today's more popular Android software packages , and finally we

Android self-replicating spread APP principle Learning ( translation )1 Background IntroductionPaper Link: http://arxiv.org/abs/1511.00444Project Address: Https://github.com/Tribler/self-compile-AndroidAfter dinner, I saw this paper, was attracted, and immediately translated summed up a bit. If there is a mistake welcome treatise.The research starting point of this paper is relatively tall here we will not

Intent ("Com.dbjtech.waiqin.destroy"); Sendbroadcast (Intent); Super.ondestroy (); } In the Bootreceiver.[Java]View Plaincopy Public class Bootreceiver extends Broadcastreceiver { @Override public void OnReceive (context context, Intent Intent) { if (intent.getaction (). Equals ("Com.dbjtech.waiqin.destroy")) { //todo //write about restarting the service here Startuploadservice (context); } } } can also be directly in the OnDestroy () StartS

Public void OnDestroy () { Stopforeground (true); Intent Intent = new Intent ("Com.dbjtech.waiqin.destroy"); Sendbroadcast (Intent); Super.ondestroy (); } In the Bootreceiver.[Java]View PlainCopy Public class Bootreceiver extends Broadcastreceiver { @Override public void OnReceive (context context, Intent Intent) { if (intent.getaction (). Equals ("Com.dbjtech.waiqin.destroy")) { //todo //write about restarting the service here Startuploadse

This article is an example of the app widget usage for Android development. Share to everyone for your reference, specific as follows: Controls placed on the desktop are called--app widgets, such as buttons, pictures, and so on on the desktop, such as Control Panel of the desktop player The Appwidgetproviderinfo object, which provides metadata for the

uses the Local Process to access AIDL Call, there is no need to use the AIDL interface and use the Binder. For details, refer to the Android ApiDemo sample resolution (39 ): app-> Service-> Local Service Binding.If you use Remote Process to call AIDL, Android uses the Thread pool managed by the current Process to distribute function calls. Therefore, your Servic

Use the LogPhoneUtil tool class to save APP running logs on Android phones, and android log tool class Recently, the company's tests have always proposed such a bug. Of course, they also blame their code for poor writing. Therefore, the test will always crash the app, and there is no log printing when they crash, when

go: How to publish your Android appAndroidgoogleapplicationtools tool Eclipse How to publish your Android apphttp://www.aqee.net/some-things-to-know-about-publishing-android-apps/So far, in the Android Market, there are 2 of my apps,So, I want to write a little bit about the Androi