Android Tools Draw9patch use points. 9.png Picture Production (original)@Author: DOLPHIX.J Qing
This article will be a sample of the form, explain the QQ chat bubbles. 9.png Picture Production process1 Mobile phone screen cutting
Send empty message body--screenshot chat screen, intercept chat bubbles.
2 transparent. PNG Authoring
bitmap in the soft reference by the key.Finally, let's look at the cache class Limitedmemorycache of the limited memory cache space, from the inheritance relationship. It is a further extension of the Basememorycache.From the variable point of view:private static final int max_normal_cache_size_in_mb = 16;private static final int max_normal_cache_size = Max_normal_cach E_SIZE_IN_MB * 1024x768 * 1024;private final int sizelimit;private final Atomicinteger cachesize;private final listFrom the def
Now most of the Android app's picture resources, after the anti-compilation can be directly used, if you do not want to make their own image resources directly after the use of anti-compilation, the first thought should be the image encryption. Here the author, hastily wrote a simple way to encrypt the image, I hope you crossing useful.The first is the encryption section, where a simple XOR is used to encry
Android Studio pictures error 9-patch image error in AndroidError:9-patch image xx. 9.png Malformed1) Exception:Watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity /center "/>
-->AAPT Err (1118615418): Error:9-patch image icon_item_bottom_line.9.png MalformedNo marked region Found along edge. Found along left edge Crunrhing Cruncher Icon_item_bottom_line.9.png failed See logs2) Reason:W
: deal with the 90 degree problem and show: Private void setimage(Uri mimagecaptureuri) {//whether it's a photo shoot or a picture, each picture has a orientation value stored in the data that corresponds to the rotation angle.//so we are taking out the image is to take the angle value out so that the picture can be displayed correctly, no rotation effect to w
In the development of Android applications, you may encounter similar friends in the circle of photos or albums to choose a picture of the scene, take pictures or select pictures in the display when the picture is not the angle, obviously is the vertical version of the picture, showing the absence of lying.This is beca
; categoryAndroid:name= "Android.intent.category.DEFAULT"/> DataAndroid:mimetype= "image/*"Android:scheme= "File"/> Intent-filter> Activity>3, after the above processing, has been able to choose their own picture browser. But when you choose to use your own image browser to open the picture, is a blank, nothing, and using the system default tools, you can open
in the picture loading library Bad Street today, choose a suitable for their own use of the image loading library has become a necessary step for every Android developer. Now the famous picture loading library in the market has UIL,Picasso, Volley Imageloader,Fresco and our protagonist today Glide . They are not the same, they can not judge who is better than wh
task executes, and is executed in the UI thread, usually in this method we do some initialization of the UI controls, such as popup to give ProgressDialog
Doinbackground (params ... params): This method is executed immediately after the OnPreExecute () method is executed, which is the method to handle the asynchronous task. The Android operating system will open a worker thread in the thread pool in the background to execute our method, so this met
Display HTML files in Android with Html.fromhtml (...) The returned value of the processed return value can be a parameter of SetText ().Only HTML with text can handle HTML files in the following ways. Public Static Spanned fromhtml (String source) To display HTML with pictures, use the following method to process the HTML file. Public Static Spanned fromhtml (String source, Html.imagegetter Imagegetter, Html.taghandler Taghandler) Imagegetter to pr
GitHub is no doubt a treasure for developers, but it's not easy to use it, it's a problem to import open source projects with Android Studio, and today I'll take a picture Carousel project on GitHub as an example to solve common problems in the import process.1. Download the project compression package2. To modify the Gradle version of an open source project, because An
Reprinted from http://blog.csdn.net/junjx/article/details/7798604In Android development, we often need to load images. But the size of the picture is often very large, if we want to be a relatively small picture, in the limited memory of Android, we obviously can not put the large size of the image into memory, so not
GitHub is no doubt a treasure for developers, but it's not easy to use it, it's a problem to import open source projects with Android Studio, and today I'll take a picture Carousel project on GitHub as an example to solve common problems in the import process.1. Download the project compression package2. To modify the Gradle version of an open source project, because An
Android Image Compression Quality parametersIn the utility Imageloader, when configuring displayimageoptions, you need to set the. Bitmapconfig (Bitmap.Config.RGB_565)So what does this Bitmap.Config.RGB_565 mean?Large pictures in Android generally have to be compressed to display, otherwise prone to oom, generally we compress only attention to its size, in fact, in addition to the size, the impact of a
Android ImageView can only display the picture of the rectangle, so that does not meet our other needs, such as to show the picture of the rounded rectangle, this time, we need to customize the ImageView, the principle is to first get to the image of the bitmap, It then trims the bitmap of the corresponding rounded rectangle and then draws the rounded rectangle
In Android development, we often encounter the Android read image size more than the screen display map (generally as long as a certain size of the preview can be shown), in the picture is particularly large or the picture appears very often to pay special attention to this problem, the following describes a specified
Need to ImageView show round pictures as follows Public StaticBitmap Toroundcorner (Bitmap Bitmap,floatratio) {System. out. println ("does the picture turn into a circular pattern +++++++++++++"); Bitmap Output=Bitmap.createbitmap (Bitmap.getwidth (), Bitmap.getheight (), Bitmap.Config.ARGB_8888); Canvas Canvas=NewCanvas (output); Final Paint Paint=NewPaint (); Final rect rect=NewRect (0,0, Bitmap.getwidth (), Bitmap.getheight ()); Final RECTF RECTF=N
Reprint please indicate this article from Xiaanming's blog (http://blog.csdn.net/xiaanming/article/details/26810303), please respect others ' hard work results, thank you!This article continues to introduce universal-image-loader this open-source picture loading framework, describes the picture cache strategy, if you do not understand the use of this open source framework, you can see I wrote an article ear
confirm that the ImageView picture is loaded successfullyThis address: Http://blog.csdn.net/caroline_wendyTo determine if the ImageView picture exists and is not loaded successfully, the default picture is displayed. if (mphotoview.getdrawable () = = null) {// Toast.maketext (getactivity (), "Picture lo
9-patch in order to solve the different sub-screen image adaptability, the picture has been padding, and in Android, to give a control to set a background map, and ultimately to call the Setbackgrounddrawable method to set the picture resources, and this method of execution is like this, If the picture resource is padd
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