Android

The effect is as follows, the finger on the phone to the left or right to achieve the corresponding page switch. First look at the Activity_main.xml file, very simple, mainly three titles TextView and Viewpager Let's see what the mainactivity

Today in doing the project to do the function of taking pictures, at that time was thinking Onresume and Onactivityresult these two methods who will be the first implementation of the test, and then print the System.currenttimemillis () look at the

Recently in the project has a lot of drop-down box, in order to realize the convenience of using the Android spinner, but the spinner style does not meet the requirements, and then learn the custom spinner. Here's the whole step: 1. Get the picture

Overview First of all, to write the "Android compile-time annotation framework," the original intention, APT is not difficult, can be said to be simple and efficient, but the information on apt is not much, even many people do not know

Package Zm.scroolview; Import android.app.Activity;Import Android.os.Bundle;Import android.view.MotionEvent;Import Android.view.View;Import Android.widget.ScrollView; public class Mainactivity extends activity{Private ScrollView SL;    

This custom control can implement horizontal dynamic data loading, without saying much, the following code. (using the same method as normal listview) 1, in the layout with horizontalscrollview containing a listview;2, the use of the GridView, the

Fiddler is an HTTP protocol debugging Agent tool that can record and check all HTTP traffic between your computer and the Internet, set breakpoints, and see all the "in and Out" Fiddler data (referring to cookie,html,js,css and other files, These

First, select the appropriate image size The view background image always fills the entire view area, and the image size is not suitable to cause the image to be scaled automatically, in order to avoid this situation, we can first zoom the picture

Of course, we can also define a value by the meta-data tag inside the menifest. Then in our application directly to read it, so that the next time if you need to modify the value, we do not have to find our code, but in the revision of our version

Imageview.setxxx can setSetbackgroundresource background,Layout Setlayoutparamsand Setscaletype,The source picture cannot be changed. Don't worry. If the picture is rotated, only another bitmap is generated Solutions First, create an XML file

Under the Android platform to develop and deal with the application of image clipping, if the logic of the realization is more troublesome, such as the need to write the type of this Win32 under the rubber band class CRectTracker to set the cutting

First clear the difference between several concepts:Padding margin is the meaning of the margin, the key question is to understand what the relative margin.Padding is the margin of the control's content relative to the edge of the control.Margin is

The principle is to download the image data from the Internet, while turning the data into drawable and loading to the specified ImageViewSave it as a download_image.jpg and open the picture with intent when clicked ImageViewI write the process of

The code is as follows Copy Code Package COM.RONGFZH.YC; Import Android.content.BroadcastReceiver;Import Android.content.Context;Import android.content.Intent; public class Bootreceiver extends broadcastreceiver{@Overridepublic void

Three kinds of page-flipping effects in the Android platform. The first page-flipping effect is as follows: Implementation principle: the current finger touch point is a, the point a coordinates is (Ax,ay), the triangle ACB and the

Gridview:a view that shows items in two-dimensional scrolling grid. The items in the grid come from the listadapter associated and this view. To put it simply, the GridView is the icon display of files that we normally see in the explorer.    

Ring progress bar, circular progress bar Reference http://blog.csdn.net/jdsjlzx/article/details/42497135 for this article First: Custom Control: AttendanceProgressBar The Code is as follows: 1 public class AttendanceProgressBar extends View {2 //

Android uses the open-source framework android-image-indicator to implement image carousel deployment, The previous blog posts introduced the implementation methods for image carousel, including hyperlinks ): 1. Use ViewFlipper in Android to