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Tagged Questions

0
votes
2answers
30 views

Use Bundle to send a 2D string Array

I want to send a 2D array using bundle I used: //TO SEND Bundle b = new Bundle(); b.putSerializable("value",string_array); //TO GET String[][] array_string = (String[][]) b.getSerializable("value"); ...
0
votes
1answer
25 views

Array for 2 listviews in 1 Android Activity

I’m new to android development… I want to pass data to 2 ListViews through an ARRAY . Should I use a 2D array.? Then how? What I want to do is; Eg:In ListView1 there are Fruits Vegetables Meat ...
0
votes
1answer
26 views

Error in using multi-dimensional array with spinner in android

I am getting error for the following code which implements Spinner with multi-dimensional array. Spinner sp1 = (Spinner) findViewById(R.id.spinner1); String dept[][] ...
0
votes
1answer
113 views

Read 2d array values from file android

Hi I want my D2 int array to get its values from a file. if the file not exist i want to create it and set all the values of the aray to 0. then when the values changes in the array i want to click ...
3
votes
4answers
190 views

Sort 2d array by 2nd dimension

I need to sort my items depending on their price. The price of each item is stored in a JSON array I have created a 2d array to store the name and price Something like this... String [][] ...
0
votes
1answer
139 views

2d array copy column and row and proof if the contains is equal to or not

I would like to proof whether there is a Float.POSITIVE_INFINITY in my j-th column and row. But I do not know how I can do this, by not having an exploding time complexity. This means I do not want to ...
1
vote
4answers
223 views

2D Array Index Out of Bounds Exception

I am new to 2D Arrays, and while I think I understand it, I am unsure why I am getting this Index Out of Bounds Exception. I tried making the map size 70x100, and I still received the same error. It ...
3
votes
2answers
298 views

How to pass a two diamentional array from one activity to another activity?

I have a problem with passing my 2D string array from one activity to another activity I tried some codes...but they show some errors My string array is: String[][] commuterDetails=new ...
1
vote
1answer
403 views

How to display 2D array in GridView

I have 2D array: static final String[][] numbers = new String[][] {}; numbers[0][0] = "A"; numbers[0][1] = "b"; numbers[0][2] = "c"; numbers[1][0] = "d"; numbers[1][1] = "e"; ...
0
votes
1answer
414 views

Choose random String from two dimensional array?

So what I have is a 2d array with the name of the drink, and the price Test[Name][Price]: public static final String[][] Test = ...
3
votes
5answers
1k views

Pass 2D array to another Activity

how do i pass 2 denominational array object as a parameter to another activity how to get two dimensional array string value in another activity String [][]str; Intent l = new ...
0
votes
2answers
230 views

I have a 2D array of custom objects. Must I instantiate each in Java?

dmap = new Tile[maxW][maxH]; for (int y = 0; y < maxH; ++y) for (int x = 0; x < maxW; ++x) dmap[x][y] = new Tile(); This is slow despite each Tile only having an ...
0
votes
1answer
73 views

Figuring out location of ImageView in a 2D array

Is there a way to find the location of a specific imageView given an ID in a 2D array? For example if I have ImageView [x][y] and each of the ImageViews has an ID, is it possible to find the specific ...