I don't know friends have wood have to do too much diagram saved to the System album this need, I am using 'uiimagewritetosavedphotosalbum' to save the picture, in the proxy callback party ' There are some images in didfinishsavingwitherror ' that will have this error: The reason above is very clear, at the same time to save multiple graphs, system resources are limited, too late to process all the pictures
This is the first time I have written software in C #. It was intended to be used by myself and made public to everyone. I hope that I can continue to improve my skills.
O (distinct _ distinct) O ~~
The name is "gorgeous MP3 companion ".
He can automatically match songs, singers, albums, album diagrams, and other information for your MP3 files and write them into id3v1 and ID3v2, it can also solve the problem of garbled information on mobile phones
These days in the iphone above an application of the development, there is a need for Camera/photo album programming and image upload problems, summed up here.
"Partial Knowledge"
Images in the iphone are usually stored in 4 places, "photo albums, application packages, sandbox, Internet", and through these 4 sources, we can access the application picture.
Album
The iphone's photo
Images must be compressed when uploading, otherwise it will fail to uploadThe first is to select pictures and videos with the system album. iOS system comes with UIImagePickerController , can choose or take pictures video, but the biggest problem is only support single, because the project requirements need to support multiple selection, can only be customized. T
need: find pictures from a local photo album, or take pictures by calling the system camera.Error-Prone areas:1, when we specify the URI path of the photo, we cannot get the URI by Data.getdata (), but we should get the URI directly (in global variable or otherwise) and set it to ImageViewImageview.setimageuri (URI);2, I found the phone front camera shot out of o
Program Analysis:Two main parts(1) Take pictures first, then cut them and show them at last. (2) Select a photo from the album to cut it and show itCode refers to the first line of code, the Book Code Runtime (2) a problem, cannot cut the picture and cannot load the pictureThe Mainactivity.java code is as follows:1 Packagecom.example.lynn.choosepictest;2 3 Importandroid.content.Intent;4 ImportAndroid.grap
I. Overview
Explain the optimization query photo album, before we look at the requirements of the PM, PM's demand is very simple, is to do a similar micro-letter local Photo album query control, mainly contains two two parts:
Enter the image selection page to display all the photos on the phone, including the system photo album and all the
We often use the upload avatar, or send a post to choose the local image upload function. This is very common.Today, I studied the needs of the app. Share now.In fact, whether by photo or album selection will be used to intentThis is a handy tool that the system provides to us to call system methods!First of all, we need to design how we want to call the system to take pictures or choose a picture methodWe
:^{}]; UIImage *image = [info uiimagepickercontrolleroriginalimage]; Userimageview.image = image; NSData *imagedata = uiimagejpegrepresentation (image, Compressed_rate); UIImage *compressedimage = [UIImage imagewithdata:imagedata]; [Httprequestmanager uploadimage:compressedimage httpClient:self.httpClient delegate:self]; }The returned image is not a square and displays a noticeable stretch in the view of the user's avatar. Studied for a long time various cutting algorit
is nothing more than two kinds, the first is camera shooting, the second is from the local album to get.
2, I created a folder on the SD card, which has two URIs, one is used to save the original picture when the photo, one is to save the cropped picture. Before I thought about using the same URI to save the picture, but in practice encountered a problem, when the camera does not cut, then the next time from the SD card to take photos saved large im
Now download the mp3 online, put it in the computer many times you can see the MP3 file will show the album Pictures,Like this:In this effect, some songs have no, some have,Baidu Encyclopedia Such introduction to:ID3 LabelID3 is a metadata container that is used in MP3-formatted audio files. It can store related song name, artist, album, track number and other in
React native pictures saved to a local album (iOS Android) one, requirements analysis
1,react native Save the network image to the album, iOS can be used with RN cameraroll perfect solution, but the Android side does not support to save pictures from the network.
2, save only one picture to the local
uiimagepickercontrolleroriginalimage]; Userimageview.image = image; NSData *imagedata = uiimagejpegrepresentation (image, Compressed_rate); UIImage *compressedimage = [UIImage imagewithdata:imagedata]; [Httprequestmanager uploadimage:compressedimage httpClient:self.httpClient delegate:self]; }Create a form, select a camera or album, and then use the callback function to process the returned picture.However, the returned image is n
Uiimagepickercontroller from photos, galleries, photo albums to get pictures
There are three ways to get a picture of IOS:
1. Direct Call camera photo
2. Choose from the album
3. From the gallery to select
Uiimagepickercontroller is a system-supplied interface for capturing pictures and videos;
Use the Uiimagepickercontroller class to get picture video, rou
Similar to the Baidu music album playback CD pictures of the continuous rotation of the implementationHTML code
src="img/logo.png" class="img-responsive" style="float: left;" />
CSS3 Code
# img{
-webkit-transition: -webkit-transform 5s;
-webkit-transform: rotate(0deg);
-moz-transform: rotate(0deg);
-webkit-transform-origin: center;
-m
Similar to the Baidu music album playback CD pictures of the continuous rotation of the implementation1HTML code 2 3CSS3 Code 4# img{5-webkit-transition:-webkit-Transform 5s; 6-webkit-Transform:rotate (0DEG); 7-moz-Transform:rotate (0DEG); 8-webkit-transform-Origin:center; 9-moz-transform-Origin:bottom center;10-webkit-Animation:css_a 5s;11Animation:css_a 5s;12-moz-Animation:css_a 5s;13-webkit-animation-Du
For several days did not write a blog, feel a little slack. The author participated in the second Software design contest for college students, these daysI've been working on the big game and didn't spend a lot of time organizing blogs. Fortunately, after a few days, the game has been pretty much the same.The next step is to take this time to learn something useful to do some summary.What you do today is the area clipping function that implements the image. Due to the need of the project functio
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