[Reading Notes] iOS-simple data driver, Reading Notes ios-

[Reading Notes] iOS-simple data driver, Reading Notes ios-

I ,.

 

 

2. Shows the project file:

 

 

3. DataModel. h

# Import <Foundation/Foundation. h>

 

@ Interface DataModel: NSObject

{

NSArray * myData;

}

-(NSString *) getNameAtIndex :( int) index;

-(Int) getRowCount;

 

@ End

 

 

 

DataModel. m

// Database file

# Import "DataModel. h"

 

@ Implementation DataModel

 

-(Id) init

{

If (self = [super init]) {

MyData = [[NSArray alloc] initWithObjects: @ "first", @ "second", @ "three", @ "four", nil];

}

Return self;

}

// Display the data in the array

-(NSString *) getNameAtIndex :( int) index

{

Return (NSString *) [myData objectAtIndex: index];

}

// Display the number of rows

-(Int) getRowCount

{

Return (int) [myData count];

}

@ End

 

 

Iv. ViewController. h

# Import <UIKit/UIKit. h>

# Import "DataModel. h"

 

@ Interface ViewController: UIViewController

<UITableViewDataSource, UITableViewDelegate>

{

UITableView * myTableView;

DataModel * model;

}

@ End

 

ViewController. m

# Import "ViewController. h"

 

@ Interface ViewController ()

@ End

 

@ Implementation ViewController

 

-(Void) viewDidLoad {

[Super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

// Initialize data

[Self initData];

// Initialization Interface

[Self addBackgroundView];

}

# Pragma-mark-functions

// Initialize data

-(Void) initData

{

Model = [[DataModel alloc] init];

}

// Initialization Interface

-(Void) addBackgroundView

{

MyTableView = [[UITableView alloc] initWithFrame: CGRectMake (0,100,320,300)];

MyTableView. dataSource = self;

MyTableView. delegate = self;

[Self. view addSubview: myTableView];

 

}

# Pragma-mark-UITableViewDelegate

-(NSInteger) tableView :( UITableView *) tableView numberOfRowsInSection :( NSInteger) section

{

Return [model getRowCount];

}

-(CGFloat) tableView :( UITableView *) tableView heightForRowAtIndexPath :( NSIndexPath *) indexPath

{

Return 40;

}

-(UITableViewCell *) tableView :( UITableView *) tableView cellForRowAtIndexPath :( NSIndexPath *) indexPath

{

Static NSString * CellIdentifier = @ "Cell ";

UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier: CellIdentifier];

If (cell = nil ){

Cell = [[UITableViewCell alloc] initWithStyle: UITableViewCellStyleDefault reuseIdentifier: CellIdentifier];

}

Cell. textLabel. text = [NSString stringWithFormat: @ "% @", [model getNameAtIndex :( int) indexPath. row];

Return cell;

}

-(Void) didReceiveMemoryWarning {

[Super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

 

@ End

 

Reference: iOS database application advanced programming (version 2nd)