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Learn about the basics of Android from 0 (2)-Explanation of the AndroidMainfest. xml fileAndroidMainfest. xml file details 1. About AndroidManifest. xml AndroidManifest. xml is a required file in every android program. It is located in the root directory of the entire project, describing components exposed in the packa

The front-end JS use XMLHttpRequest 2 upload pictures to the server, PC end and most mobile phones are normal, but in a small number of Android phone upload failed, the server to view the picture, displaying a byte count of 0. Here is the core code for uploading pictures: Html The code above uses Formdata to implement the form data submission. Formdata

[Android] Chapter 2 (2)-common public attributes of layout controls, Chapter 2 of android Category: C #, Android, VS2015; Created on:I. Introduction The layout controls in Android appli

close SELinux->setenforce 0Set power on auto-off SelinxuMethod One:->vim/etc/selinux/configChange "selinux=enforcing" to "selinux=disalbed"->[ESC]: WqMethod Two:->sed-i ' s/selinux=enforcing/selinux=disalbed '/etc/selinux/config"Set CD on auto Mount"->echo "/dev/sr0/mnt iso9660 defaults 0 0" >>/etc/fatab#将系统镜像加载到 the/etc/fstab file"Configure Yum Source"Empty Yum Source->rm-rf/etc/yum.repos.d/*Configuring t

[TOC]#0x00 Preface# #不知所以然, take a lookAndroid Reverse-android base reverse (1)Android Reverse-android base reverse (2)# #以及java系列:Android Reverse-java Code Basics (1)Android Reverse-java Code Basics (

Since there is no Android level 17 and above on hand, there is a bug in shell command startup script that occurs at SDK level 17 and aboveApi>=17 added Interact_across_users_full, which is designed to allow interaction between applications of different users, so that the userserialnumber is verified at interaction, and the user identity mismatch is found.Cause the permission check to fail, it will produce Startinstrumentation asks to run as User-

When importing open source projects, you always report this mistake.Error: (2, 0) Plugin with id ' com.github.dcendents.android-maven ' not foundWorkaround:First add global dependencies to the Build.grade under projectBuildscript { repositories { jcenter () } dependencies { ' Com.android.tools.build:gradle : 1.5.0 ' //1. Automated Maven Packaging plugin ' com.github

resourcesdirectory to find “himi.png ". Therefore, we usually open the HD retina in the applicationdidfinishlaunching function of appdelegate. cpp and add the following code: Targetplatform target = gettargetplatform (); // obtain the current device typeIf (target = ktargetipad) {// if it is an iPadIf (pdirector-> enableretinadisplay (true) {// If HD retina is enabledCcfileutils: sharedfileutils ()-> setresourcedirectory ("../ipadhd ");} Else {Ccfileutils: sharedfileutils ()-> setresourced

= null) return; for (File f: files) f. delete ();} public void deleteIncompleteCache (String url) {File file = getFromFileCache (url); if (file! = Null file. exists () {file. delete () ;}/// extract the file name from the image url. private String getImageNameFromUrl (String url) {Uri uri Uri = Uri. parse (url); String imageName = uri. getLastPathSegment (); return imageName;} // stream operation private void copyStream (InputStream inputStream, OutputStream outputStream) {final int buffer_siz

intersecting with the matrix ); // whether it does not intersect with this matrix/** several translation transformation methods */Public void translate (INT dx, int Dy) Public native void translate (INT dx, int dy, region DST); Public void Scale (float scale) // hidepublic native void Scale (float scale, Region DST ); // hide/** a series of combination methods */public final Boolean Union (rect R) Public Boolean OP (rect R, OP) {public Boolean OP (INT left, int top, int right, int bottom, OP) P

Data encapsulation object, If NULL is passed, direct return string * @param callback Interface callback listener /public static Demo Demo Implementation code 1. Data format of the server 1.url:http://www.itlanbao.com/api/app/users/user_login_handler.ashx 2. Parameter Description:Email must have a mailboxPassword must have a password.Accesstoken must have MD5 (email+password+ "both platforms agreed public key") 3. Request method: POST 4

; } 7.@ buddy processing, parameters need to pass in @ Friend list public static spannablestring getatuserspan (int color, String str, Boolean clickable, Spanclicklistener Spanclicklistener, list 8. Facial expression processing, so concise public static spannablestring Getexpressionspan (context, String str) throws Exception {return Expressionconvertutil.getinstace (). getexpressionstring (context, str); Third, the use 1. Keyword discoloration pr

Android UI collection-1. Android Drawable Classification summary (2/3) This section introduces: In the previous section, we have learned about four Android Drawable, which are: ColorDrawable, NinePatchDrawable, ShapeDrawable and GradientDrawable! In this section, we will continue to learn the other five Drawable, whic

Android note 34. Integrated Service instance 2, android. serviceIntegrated instance 2: client access to remote ServiceImplementation: Use a button to obtain the status of the remote Service and display it in two text boxes. Idea: Assume that application A needs to communicate with application B and call the getName ()

bitmap Gravity: If the bitmap is smaller than the container, you can set the relative position of the bitmap in the container Tilemode: Specifies that the picture tile fills the container's mode, setting this, the Gravity property is ignored and has the following optional values:Disabled (Whole pattern damper),clamp(original size),Repeat (tiled),mirror(mirrored tile) Corresponds to: ①xml definition bitmapdrawable: bitmap xmlns:android="http://schemas.android.com/ap

Android study note 24. Service entry (2) bind and communicate with the local Service, android. serviceBind and communicate with the local ServiceThrough the first three steps in the previous blog, we have completed a Service and the application that uses the Service (the Service is an integral part of the application ). However, when a program starts or closes a

Android Interview Questions and answers (2), android Questions and answers1. Activity-related. Launchmode, OnSaveInstnceState, and lifecycle. Four default launchmodes and OnNewIntent callbacks. OnNewIntent-> OnRestart-> OnStart-> onResume OnActivity-> OnResume. OnNewIntent, OnActivityResult? OnNewIntent launchmode with singletask or singleInstance. But if set the

, it indicates that you have the corresponding permissions. 2) If not, go to PackageManagerService. mSystemPermissions. This information is read from/system/etc/permissions/platform. xml at startup. Permission corresponding to uid of some system-level applications is recorded here. 3) return results. 4.2. CheckUriPermission1. if the uid is 0, it indicates that it is a root user, and the permission is not co

Path to Android Development 7-UI component 2 Today, we continue to learn about the UI components, mainly including TextView and EditText. TextView component introduction: Subclass: Button, CheckdTextView, Cheronometer, DigitalClock, EditText Indirect subclass: AutoCompleteTextView, CheckBox, CommpoundButton, MultiAutoCompleteTextView In its xml file, there are many attributes mentioned today, for example:

. android obtains the component size. Use view in oncreate. getWidth () or view. getHeiht () is used to obtain the width and height of the view. It seems that there is no problem. In fact, the value they get is 0, which is not the result you want? Why? When the oncreate () method is called, the interface is invisible and the memory-loaded component has not been drawn. You cannot obtain its size. So how can