save | 易学教程

SharedPreferences Save value of Int in a TextView

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问题 I try to save the value of an int displayed in a TextView using SharedPreferences, it can't work at all. I did a simple small example of code : public class MainActivity extends Activity { Button search; TextView tvRing; int redRing; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final SharedPreferences prefs = getSharedPreferences("sharedPreferences", Context.MODE_PRIVATE); search = (Button)

FORTRAN: Save array and use in another programme

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问题 Is it possible to create an array in one programme and then use it in other programmes? The array I am looking to create is very large and its creation will take a while so I don't want to make it anew every time I run the main programme but instead just use it after creating it once in the other programme. Because of its size I'm not sure if printing it to file and then reading it back in would not also be quite inefficient? It is an integer array of dimensions 1:300 000 and 100. 回答1: Long

How to save a custom Java Object in Android?

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问题 Can you help me out. I am trying to save my Java Objects(Customer) in android currently I am following a book in my studies. This is what I got, I have Customer Object that has a String and UUID. With these I am able to save them successfully through converting it with JSON. My problem is I want to add an ArrayList of Objects which contains(Double, and two strings) for each Customer. How can I save this ArrayList and retrieve it inside that JSON Object when I convert my Customer Object to

How to save and load a Array in Java

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问题 So I am creating a program which will keep track of the TV shows and Movies that I watch. I have 2 classes (TV and Movie) and I have an Array which holds everyone. How would i go about saving this array so that every time I use the program it lets me edit the same list, because every time I watch a new episode I want to update my array with the new information. So basically what procedure would I need to use in order to not only save an arrya but load up the array every time I run the program

UWP save file in Documents and Pictures Library

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问题 I'm trying to make a UWP app which can export a file saved in his own storage into the document library. In Package.appxmanifest I've inserted the following lines: <uap:Capability Name="picturesLibrary" /> <uap:Capability Name="documentsLibrary" /> The code to get the path is this: StorageFolder storageFolder = await KnownFolders.GetFolderForUserAsync(null /* current user */, KnownFolderId.DocumentsLibrary); string path = storageFolder.Path + "\\" + fileName; The code to save the file is this

Read and write array from txt in Verilog

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问题 First of all I want to say that I'm running the simulation in ADS (Advanced Design System 2017) through a Verilog model compiled in ModelSim. My objective is loading data from a .txt file into the testbench as input in order to run the simulation, and afterwards save the results of this simulation in another .txt file. Here is the content for the input test .txt file called "param.txt": 1 2 3 4 5 6 7 8 9 10 And here is my Verilog testbench code: `include "disciplines.vams" module resistor(p,n

how to save html5 canvas to server

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问题 Im loading a few images to my canvas and then after they load I want to click a button that saves that canvas image to my server. I can see the script works fine until it gets to the 'toDataURL' part and my function stops executing. What am I doing wrong? Here is my code: <!DOCTYPE HTML> <html> <head> <style> body { margin: 0px; padding: 0px; } </style> </head> <body> <canvas id="myCanvas" width="578" height="200"></canvas> <div> <button onClick="saveCards();">Save</button> </div> <script>

IOS Save image with name

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问题 i have an app that takes a picture and merges it with another image. I want to be able to display al the images taken in the app (and only my app) and display them in a gallery view. the problem I am having is in assigning the image a name. I have tried a number of different ways First Attempt UIImageWriteToSavedPhotosAlbum(newImage, nil, nil, nil) this saved the image but i do not know how i can retrieve it Second Attempt PHPhotoLibrary.sharedPhotoLibrary().performChanges({ let assetRequest

How to save a picture to a file?

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问题 I'm trying to use a standard Intent that will take a picture, then allow approval or retake. Then I want to save the picture into a file. Here's the Intent I am using: Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE ); startActivityForResult( intent, 22 ); The documentation says: The caller may pass an extra EXTRA_OUTPUT to control where this image will be written. If the EXTRA_OUTPUT is not present, then a small sized image is returned as a Bitmap object in the

Saving large images - Raster problem

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问题 I already asked a Question how to save large images and I think I'm on the right track but I still need some advice. I have an Image 12000 x 12000 and I need to save it as .png BufferedImage can't be used. I was already advised to use the RenderedImage interface but somehow I can't get the desired result. ( I haven't worked with rasters yet so probably I got something wrong ) Code for the saving image method: public static void SavePanel() { PanelImage IMAGE = new PanelImage(panel); try {