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iPad 앱을하고 있는데, 같은 화면에서 UITabelview와 Button 및 UiTextview를 사용하게되었습니다. 내 작업은 UITableview에서 일부 행을 선택하고 버튼을 누르면 텍스트가 UITextview에 나타나야한다는 것입니다.SQlite3을 UITextview에 연결하기
몇 가지 방법을 채웠지 만 제대로 작동하지 않아 어느 누구도이 작업을 성공적으로 완료하기 위해 할 수있는 일이 무엇인지 알 수 없습니다.
내 참조를 위해 아래 코드를 찾으십시오 ... 내 문제를 설명하는 데 도움이 될 수 있습니다.
#import <UIKit/UIKit.h>
#import "table1.h"
#import "textView.h"
@interface searchOne : UIViewController
{
IBOutlet UITableView *firstTable;
table1 *tableOne;
textView * text1;
int row;
}
@property(nonatomic,retain)IBOutlet UIButton * search;
@property (nonatomic,retain) IBOutlet UITextView *txt;
@property(nonatomic, assign) int row;
-(IBAction)resPage:(id)sender;
@end
#import "searchOne.h"
#import "textView.h"
@implementation searchOne
@synthesize search;
@synthesize txt, row;
- (void)viewDidLoad {
[super viewDidLoad];
if (tableOne == nil) {
tableOne = [[table1 alloc] init];
}
[firstTable setDataSource:tableOne];
tableOne.view = tableOne.tableView;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
row = [indexPath row];
}
-(IBAction)resPage:(id)sender{
NSString *str = txt.text;
row = [str intValue];
NSLog(@"get clicked");
self.view =txt;
}
/*
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
*/
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (void)viewDidUnload {
// [self setTxt:nil];
[super viewDidUnload];
}
@end
DB :
#import <Foundation/Foundation.h>
@interface db : NSObject{
NSInteger ID;
NSString * name;
}
@property (nonatomic, retain) NSString * name;
@property(nonatomic, readwrite) NSInteger ID;
-(id)initWithID: (NSInteger)i andName:(NSString *)n;
@end
@implementation db
@synthesize name,ID;
-(id)initWithID: (NSInteger)i andName:(NSString *)n{
self=[super init];
if(self)
{
self.ID = i;
self.name = n;
}
return self;
}
@end
Tabel보기 :
#import <UIKit/UIKit.h>
#import "sqlite3.h"
#import "db.h"
@interface table1 : UITableViewController<UITableViewDataSource>{
NSString *databaseName;
NSString * databasePath;
NSMutableArray * tableOne;
}
@property(nonatomic, retain) NSMutableArray * tableOne;
-(void)checkAndCreateDatabase;
-(void)readDataFromDatabase;
@end
#import "table1.h"
#import "db.h"
@implementation table1
@synthesize tableTwo;
#pragma mark - View lifecycle
- (void)viewDidLoad
{
[email protected]"nobel10.db";
NSArray *documentPaths= NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString * documentDir = [documentPaths objectAtIndex:0];
databasePath=[documentDir stringByAppendingPathComponent:databaseName];
[self checkAndCreateDatabase];
[self readDataFromDatabase];
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
#pragma mark - TableView Data Source methods
-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView{
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
return [tableTwo count]; }
// Row display. Implementers should *always* try to reuse cells by setting each cell's reuseIdentifier and querying for available reusable cells with dequeueReusableCellWithIdentifier:
// Cell gets various attributes set automatically based on table (separators) and data source (accessory views, editing controls)
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
UITableViewCell *cell= nil;
cell = [tableView dequeueReusableCellWithIdentifier:@"mycell"];
if (cell == nil) {
cell=[[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"mycell"];}
db * temp =(db *)[self.tableTwo objectAtIndex:indexPath.row];
cell.textLabel.text=temp.name;
return cell;
}
-(void)checkAndCreateDatabase{
BOOL success;
NSFileManager *fileManager=[NSFileManager defaultManager];
success=[fileManager fileExistsAtPath:databasePath];
if(success)
return;
NSString *databasePathFromApp = [[[NSBundle mainBundle]resourcePath] stringByAppendingPathComponent:databaseName];
[fileManager copyItemAtPath:databasePathFromApp toPath:databasePath error:nil];
}
-(void)readDataFromDatabase{
sqlite3 *database;
tableTwo=[[NSMutableArray alloc]init];
if(sqlite3_open([databasePath UTF8String], &database)== SQLITE_OK){
const char *sqlStatement = "SELECT * FROM country";
sqlite3_stmt *compiledStatement;
if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL)==SQLITE_OK){
while (sqlite3_step(compiledStatement)==SQLITE_ROW) {
NSInteger pId = sqlite3_column_int(compiledStatement, 0);
NSString *stringName=[NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 1)];
db *info =[[db alloc]initWithID:pId andName:stringName];
[tableTwo addObject:info];
}
}
sqlite3_finalize(compiledStatement);
}
sqlite3_close(database);
}
@end
UITextView :
#import <UIKit/UIKit.h>
#import "sqlite3.h"
#import "db.h"
@interface textView : UIViewController<UITextViewDelegate>{
NSString *databaseName;
NSString * databasePath;
NSMutableArray *textOne;
NSString *description;
}
@property(nonatomic, retain) NSMutableArray *textOne;
@property (nonatomic, retain) NSString *description;
-(void)checkAndCreateDatabase;
-(void)readDataFromDatabase;
-(id)initWithDescription:(NSString *)d;
@end
#import "textView.h"
@implementation textView
@synthesize textOne, description;;
#pragma mark - View lifecycle
- (void)viewDidLoad
{
[email protected]"nobel10.db";
NSArray *documentPaths= NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString * documentDir = [documentPaths objectAtIndex:0];
databasePath=[documentDir stringByAppendingPathComponent:databaseName];
[self checkAndCreateDatabase];
[self readDataFromDatabase];
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
#pragma mark - TableView Data Source methods
// Row display. Implementers should *always* try to reuse cells by setting each cell's reuseIdentifier and querying for available reusable cells with dequeueReusableCellWithIdentifier:
// Cell gets various attributes set automatically based on table (separators) and data source (accessory views, editing controls)
-(void)checkAndCreateDatabase{
BOOL success;
NSFileManager *fileManager=[NSFileManager defaultManager];
success=[fileManager fileExistsAtPath:databasePath];
if(success)
return;
NSString *databasePathFromApp = [[[NSBundle mainBundle]resourcePath] stringByAppendingPathComponent:databaseName];
[fileManager copyItemAtPath:databasePathFromApp toPath:databasePath error:nil];
}
-(void)readDataFromDatabase{
sqlite3 *database;
textOne=[[NSMutableArray alloc]init];
if(sqlite3_open([databasePath UTF8String], &database)== SQLITE_OK){
const char *sqlStatement = "SELECT name,item_country.id,text.item FROM country,item_country,text WHERE country.name ='India' AND country.id = item_country.id AND text.item =item_country.item ";
sqlite3_stmt *compiledStatement;
if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL)==SQLITE_OK){
while (sqlite3_step(compiledStatement)==SQLITE_ROW) {
NSInteger pId = sqlite3_column_int(compiledStatement, 0);
NSString *stringName=[NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 1)];
db *info =[[db alloc]initWithID:pId andName:stringName];
[textOne addObject:info];
}
}
sqlite3_finalize(compiledStatement);
}
sqlite3_close(database);
}
-(id)initWithDescription:(NSString *)d{
self.description = d;
return self;
}
@end
내가 아이 패드 개발에 새로운 오전 ..
여기 강타 제발 도와주세요
이 세 클래스 간의 관계는 무엇입니까? – Ravin
안녕하세요 Ravin : 하나는 데이터베이스, tableview 및 textview입니다 – makumar
버튼은 어디에 있습니까? –