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doinbackground (Wonderfulprograminfo ... params) {Bitmap Bitmap = null;try{string urls = constant.url + par Ams[0].getwonderfulimgurl (); Boolean isexists = Files.compare (URLs), if (isexists = = False) {//network download picture data Net net = new Net (); byte[] data = Net.downloadresource (homeactivity.this, URLs); bitmap = Bitmapfactory.decodebytearray (data, 0, Data.length); Imagescache.put (URLs, bitmap); Save the downloaded image to the cache Files.saveimage (URLs, data);} else{//local r
network picture into the ImageView, there are two ways, as follows:Method 1: Do not create a new thread;Directly in the OnCreate () method, add the following two lines of code, and then directly in the main thread to read the operation of the network picture.Strictmode.setthreadpolicy (New StrictMode.ThreadPolicy.Builder (). Detectdiskreads (). Detectdiskwrites (). Detectnetwork (). Penaltylog (). build ()); Strictmode.setvmpolicy (New StrictMode.VmPolicy.Builder (). Detectleakedsqlliteobjects
There are pictures in the Android TextView with a mixed text arrangement1. Using html.fromhtml2. New Imagegetter3. Using the labelDemo1. Set text ((TextView) Findviewbyid (R.id.tv_gradlist_calorie_desc)). SetText (Html . fromhtml (Descstring (), Getimagegetterinstance (), null));2. Get text /** * String * * @return * /pr
Android Pictures capture character portraits (like funny photos ),Requirements
Captures the resource map based on the given header template. Supports drag, zoom, and drag rotation for the background image.
Analysis
Defines the cut float layer to implement the operation view of the background resource map.Implementation
Draw cut float Layer
/*** Initialize the painting pen */private void initRectPaint ()
public class MemoryCache { private static final String TAG = "MemoryCache";Private mapNew linkedhashmapPrivate long size=0;//current Allocated sizePrivate long Limit=1000000;//max memory in bytes Public MemoryCache () {Use 25% of available heap sizeSetlimit (Runtime.getruntime (). MaxMemory ()/4);} public void Setlimit (long new_limit) {Limit=new_limit;LOG.I (TAG, "MemoryCache would use the up to" +limit/1024./1024.+ "MB");} Public Bitmap get (String
First, let's look at the directory structure of the Android project, such as:Let's take a look at each folder for what?1, src: This needless to say, it is to save the Java source files directory;2, Gen: This folder is used to save auto-generated R.java files;3, the Android***:android application depends on the package;4, Assets: storage resources files (such as M
Android6.0 the Apache HTTP client all the packages and classes are marked as deprecated no longer recommends that all HTTP-related data requests and submissions be implemented through the HttpURLConnection class, The reality is that a lot of Android developers have always been Apache HTTP clients to do Andoird client and back-end HTTP Interface data interaction, small series just used httpurlconnection to do an An
The project implements the following functions :Get Mobile album, click on each album to enter the picture list of the album interface, in the Picture list interface can achieve multiple selection of pictures, and then into the selected image interface, in this interface can achieve the selected image upload and other functions.the biggest feature of the project:1, to obtain a list of albums, the current ne
The project implements the following functions :Get Mobile album, click on each album to enter the picture list of the album interface, in the Picture list interface can achieve multiple selection of pictures, and then into the selected image interface, in this interface can achieve the selected image upload and other functions.the biggest feature of the project:1, to obtain a list of albums, the current ne
First of all, since we want to select pictures, we have to get all the pictures locally, and Android has encapsulated the intent for us.1 New null); // Select an item from the list and return all data 2 Intent.setdataandtype (3 MediaStore.Images.Media.EXTERNAL_CONTENT_URI,//
These two days in the project, do upload picture function piece, encounter two problems, one is how to get the path of the selected picture, one is how to compress the picture, after checking some information and read someone else to write after finally toss out, in this record.First of all, since we want to select pictures, we have to get all the
Several of my previous posts have covered how to get local images and bitmap, soft references, and weak reference usage. In these two blog posts for a complete demo sample to you to get the local image is very effective, but also the official Android recommended method.**源代码在博文最后可以下载**。Do not know how the matter, recently csdn to write blog upload image errors, c
Article Directory
An overall function description
Two-function implementation
1 getting pictures
2 uploading to the server and saving
3 Get the picture from the server and show
Accessibility tools in the 4Common class
I. Overall function descriptionGet the picture by selecting a picture from the album or taking a photo, then uploading the image to the ser
; Imagefloder.setcount (picsize); Mimagefloders.add (Imagefloder); if (Picsize > mpicssize) {mpicssize = picsize; Mimgdir = Parentfile; }} mcursor.close (); Mcursor = null; When the scan is complete, the auxiliary hashset can also release the memory mdirpaths = NULL; Notify handler scan picture complete mhandler.sendemptymessage (0x110); } }This is the core code snippet:1 Determine the exte
The project implements the following functions:Get Mobile album, click on each album to enter the picture list of the album interface, in the Picture list interface can achieve multiple selection of pictures, and then into the selected image interface, in this interface can achieve the selected image upload and other functions.The biggest feature of the project:1, to obtain a list of albums, the current network above the introduction of the album to o
It was often done with bitmap, drawable, and canvas, and it was necessary to write a series of complicated logic to narrow down the original image to get a thumbnail image.Now I will introduce a relatively simple method: (online)In the Android 2.2 version, a new Thumbnailutils tool class is implemented to implement thumbnails, the functionality of this tool class is powerful, the use is simple, it provides
Original from: Original addressBecause this error causes a lot of wasted time to find out why, so hurry up and record it.The process is this, when using Android to read pictures, is the use of Bitmapfactory.decoderesource (This.getresources (), r.drawable.base) whenThe size of the returned picture is not the same as the real picture size, for example, the picture is 700*450, but read out is 525*337. If you
detected before it was used. This is the Environment.getexternalstoragestate (). Equals (environment.media_mounted) that asks if the SD card is properly installed. I used a new phone and it was still installed correctly.A : the phone has a built-in SD card, so even if I bought a new phone, but still can detect the existence of SD card.
An interesting answer is that the built-in SD card is similar to a computer hard disk, the external SD card is similar to the mobile hard drive, but also not su
view the value of the photo ID longid= Mcursor.getlong (Mcursor.getcolumnindex (mediastOre. images.media._id)); NBSP;NBSP;NBSP;NBSP;NBSP;NBSP;LOG.I ("mediastore.images.media_id=", id+ "");// filter out unwanted images, Only get pictures in albums that store photos after taking pictures stringpath=mcursor.getstring ( Mcursor.getcolumnindex (MediaStore.Images.Med
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