Android

Background: You can start a message notification with activity and service, the difference being that one is triggered in the foreground and one is the background service. To use message notifications, you must use two

Android on the screen to solve the problem should be two: first. Layout problems; Reload the problem. 1. Layout problem: If you don't want the software to switch between the two screens, the easiest way to do this is to find the activity you

Copy Code code as follows: W/resourcetype (756): Failure getting entry for 0x7f020004 (T=1 e=4) in package 0:0XFFFFFFB1 D/androidruntime (756): Shutting down VM W/DALVIKVM (756): Threadid=1:thread exiting with uncaught exception (GROUP=0X2AAC4

This paper uses the matrix to realize the image scaling and rotation of Android. The sample code is as follows: Copy Code code as follows: Package Com.android.matrix; Import android.app.Activity; Import Android.graphics.Bitmap; Import

Receive files via Bluetooth, open from history transfer record, unable to automatically select the appropriate application However, to open this newly received file from File Manager, you can select the corresponding application (such as video

Copy Code code as follows: /**bitmap Amplification Method * * private static Bitmap big (Bitmap Bitmap) { Matrix matrix = new Matrix (); Matrix.postscale (1.5f,1.5f); Ratio of long and wide magnification reduction Bitmap resizebmp =

Only need to download the corresponding ZIP package, do not need to install any phone helper. 1, download the corresponding Zip package (ROM) http://download.mokeedev.com/ For example, I am under the above site of the magic of the corresponding

Android Everyone has a lot of users need to upload the avatar needs, some of the choice of square, some rounded rectangle, some round.First we have to do a custom control of the image processing, the incoming picture, through the user selection area,

This is the same problem, ListView Click Item will change color, because ListView set the default Listselector, there is a default color, the same if click No color changes how we set listselector will not change color. But in our development

Round rotating plate in QQ music Thinking Analysis:1, in the onmeasure to measure the entire view width and height, set the width and height2, get our res picture resources, in the OnDraw method to draw a circular picture3, through the handler send

Objective It is believed that every Android developer knows that the update UI can only be done in the main thread, and that if you need to update the UI after the child thread executes the task, you need to use handler to jump to the main thread.

Circleimageview to achieve circular head code sharing, for your reference, the specific content as follows First, create a property file (Attrs.xml) Specific actions:1, under the project Values file to create a new property file, file name is

This paper realizes the translation animation between the following several interfaces Analysis: Translation animation during the Navigation interface movement Previous page Move animation (-screen width, y)------> (0,y) Prev-Move animation (0,

Today because to do a set boot screen function, the main is to allow users to set up their own screen, the application layer needs to do to allow users to choose the boot screen image function. So you need to do a simple picture browsing selection

Imitation Millet Safety Center detection effect Cut the crap, let's go ahead. Effect Chart: GitHub Address: Https://github.com/niniloveyou/GradeProgressView This effect of the use of the scene is not much, mainly a variety of testing time, such

0. Foreword Android's screen fit, even if an element has the same display effect on Android's different sizes and resolution phones, has been a problem that we Android developers have to face. This article refers to a lot of previous blogs, and to

Our Android platform is composed of one activity after another, each activity having one or more view compositions.So, when we want to display an interface, the first thing we think of is to create an activity, and then all the operations are

Look at the Android version of QQ custom Avatar function, decided to achieve their own, casually familiar with the Android drawing and image processing this piece of knowledge. First look at the effect: Thinking Analysis: This effect can be

First, what are the specific requirements: As shown in the figure, this has the ABCD four option topics, when clicked on a option, if a is the correct answer, it becomes the pattern of the hook, if the wrong answer, then become the wrong pattern,

Layout: Copy Code code as follows: Android:id= "@+id/relativelayout1" Android:layout_width= "Fill_parent" android:layout_height= "Fill_parent" > Android:id= "@+id/zoom_in"Android:layout_width= "Wrap_content"android:layout_height=