Mobile Develop

About android:drawselectorontop meanings in the Android ListView componentAndroid:drawselectorontop= "True" click on a record, the color will be displayed on the top, the text on the record is obscured, so click on the text, text will not be visible.

Imageview.scaletype.xxx|android:scaletype= "XXX"1. Center, "Center"Center display. does not scale. Not cut.2. Center_crop, "Centercrop"When the picture width (height) is less than the width (height) of the ImageView, enlarge the picture

1, talk about your past work experience, the most frustrating things you?Answer hint: Once contacted a customer, originally had heard them to fastidious famous, so beforehand preparation kungfu do very fully, also put a considerable amount of time

I believe you will encounter the development of the soft keyboard pop-up, the input box can not see the input box, in fact, as long as the Webview put in the ScrollView , ScrollView changed to linearlayout problem solved, will not pop the soft

Encounter a strange problem:WebView display a local H5 page, in Mi 2S can be displayed, the same properties on the page button has two clickable, but the third button click Cause activity must crash. Crash without verbose log, only the following two

Currently Nagios can only view the status of each machine's services on a browser, when a machine is down or aWhen the service goes down, we don't know, because we can't stare at the service all the time. At this time, we need to use the alarm

iOS design mode-templatesSchematic diagramDescriptionDefines the skeleton of an algorithm in an operation, and defers the step to the subclass. The template method allows subclasses to redefine some specific steps of an algorithm without altering

first of all, to get the current Android device is connected, then Android itself provides us with a servicePrivateconnectivitymanager connectivitymanager;//is used to determine if there is a network Connectivitymanager = (Connectivitymanager)

Recently took the time to study Android, make a note:Layout xml: LinearLayoutAndroid:id= "@+id/date_label"Android:layout_width= "35DP"Android:layout_height= "Wrap_content"Android:background= "@layout/slipercornerenable"android:gravity=

If you have real-time apply enabled, the any delay, the set would be ignored.650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif "style=" Background:url ("/e/u261/lang/zh-cn/ Images/localimage.png ") no-repeat center;border:1px solid

1, the production of Lib project, here I simply make a test class2, Eclipse in Java Project Project Introduction method 2.1, a new Java project, in the property configuration Select "Java Build Path"--"Projects"-"ADD" Select just the Ajars project2.2

Galgo is an Android log class library that displays the app's log information on the screen. This is useful for testers and developers who can see what happens when a bug is applied based on a log file on the screen.   You can define the background

As Google's version of the new Android editor Android Studio (hereinafter referred to as) continues to update, more and more people are moving from the familiar editor eclipse to the As, and the Eclipse development team admits it will abandon the

The first step is to download the Sdwebimage and import the project. GitHub Escrow Address Https://github.com/rs/SDWebImageStep two, import the header files where needed 1 #import "UIImageView+WebCache.h" The third

The purpose of the UUID is to allow all elements in a distributed system to have unique identification information without the need to specify the information through the central control terminal. In this way, everyone can create a UUID that does

In Android development, we are accustomed to using DP units in Layout files, but many Java code APIs use PX units (such as setpadding, Setbuttom, Setleft, etc.) by default, which requires us to convert the DP and PX in many scenarios.The code

Sometimes it is necessary to pop up a dialog box, the most concise code summarized below. Make a record easy to copy and paste later.If there is a simpler way, continue with the update. Fewer code, fewer bugs.Business for Popup A dialog box lets the

One, native way.Read the configuration and hardware-related information in the device through the C code.1,diskstatsGets the partition state information for the Flash.int fd = open ("/proc/diskstats", o_rdonly);bytes = Read (fd, buf,

Android:layout_width= "fill_parent"Android:layout_height= "65.32999dip"Android:layout_alignparentbottom= "true" > LinearLayout android:layout_width= "fill_parent"Android:layout_height= "52.0dip"android:layout_gravity= "bottom"Android:background=

1, What is the ANR how to avoid it?Http://blog.csdn.net/Zengyangtech/archive/2010/11/21/6025671.aspx2. What conditions will lead to force Close? How to avoid it? Can I catch the exception that caused it?3. The API of Android itself does not declare