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POHidding text view in scroll view
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  1. POHidding text view in scroll view
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    copied!<p>i am working on a application where i have added textview and a button in a scrollview. scroll view is being generated dynamically using array as per the data of database. Now what i want to do is text view should hide on a button click which i have added in scroll view. </p> <p>code.........</p> <p>-load scroll view.....</p> <p>-(void) loadScrollView {</p> <pre><code>cxs=0; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"dreambuilder.sqlite"]; if (sqlite3_open([path UTF8String], &amp;database) == SQLITE_OK) { const char *sql; sql = "select dname, dream from dream order by dorder"; //btnNextDream.enabled = FALSE; sqlite3_stmt *statement; statement = nil; if (sqlite3_prepare_v2(database, sql, -1, &amp;statement, NULL) == SQLITE_OK) { sqlite3_bind_int(statement, 1, objAppdelDreamDetail.intEditDream ); while (sqlite3_step(statement) == SQLITE_ROW) { btnItem = [[UIButton alloc]init]; btnItem.backgroundColor=[UIColor clearColor]; txtViewDescription = [[UITextView alloc]init]; CGRect rect; rect.origin.x = ((myScroll.frame.size.width - 320) /2) + cxs ; rect.origin.y = 0; rect.size.height = 460; rect.size.width = 320; [btnItem addTarget:self action:@selector(actionShowDreamImage:) forControlEvents:UIControlEventTouchUpInside]; btnItem.frame = rect; [btnItem setImage:[UIImage imageWithContentsOfFile:[documentsDirectory stringByAppendingPathComponent:[NSString stringWithUTF8String:(char *)sqlite3_column_text(statement, 0)]]] forState:UIControlStateNormal]; NSString *s=[NSString stringWithUTF8String:(char *)sqlite3_column_text(statement, 1)] ; for(int i=0;i&lt;[arrDream count];i++) { txtViewDescription.tag=i; if ([s isEqual:@""]) { txtViewDescription.frame=CGRectMake(rect.origin.x+15, 60, 300, 40); }else { CGSize textViewSize = [s sizeWithFont:[UIFont systemFontOfSize:18] constrainedToSize:CGSizeMake(300, 460) lineBreakMode:UILineBreakModeWordWrap]; txtViewDescription.frame=CGRectMake(rect.origin.x+15, 60, 300, textViewSize.height+10); txtViewDescription.text=s; } txtViewDescription.alpha = 0.5; txtViewDescription.layer.cornerRadius=10.0; txtViewDescription.font=[UIFont fontWithName:@"Helvetica" size:18]; txtViewDescription.backgroundColor=[UIColor blackColor]; txtViewDescription.textColor=[UIColor whiteColor]; txtViewDescription.editable = NO; txtViewDescription.scrollEnabled=FALSE; } [myScroll addSubview:btnItem]; [myScroll addSubview:txtViewDescription]; [btnItem release]; myScroll.scrollsToTop = NO; [txtViewDescription release]; cxs += myScroll.frame.size.width; } } sqlite3_finalize(statement); } else { sqlite3_close(database); NSAssert1(0, @"Failed to open database with message '%s'.", sqlite3_errmsg(database)); } [myScroll setContentSize:CGSizeMake(cxs, [myScroll bounds].size.height)]; if (intOID=1) { btnPrevDream.enabled = FALSE; } int page; if(objAppdelDreamDetail.intPageCount&gt;0) { page=objAppdelDreamDetail.intPageCount; //NSLog(@"%d",page); } else { page=objAppdelDreamDetail.intPageCount; //NSLog(@"%d",page); } [myScroll setContentOffset:CGPointMake(320 * page, 0) animated:YES]; </code></pre> <p>}</p> <p>and </p> <p>button event...........</p> <p>-(IBAction)actionShowDreamImage:(id) sender { if(!flgFaded) { tbarFooter.hidden = TRUE; tbarHeader.hidden = TRUE; lblNavTitle.hidden = TRUE; lblNavEdit.hidden = TRUE; lblNavPls.hidden = TRUE; //txtViewDescription.hidden = TRUE;</p> <pre><code> for(int i=1;i&lt;[arrDream count];i++) { [[myScroll viewWithTag:1] setHidden:YES]; txtViewDescription.tag=i; txtViewDescription.hidden=TRUE; } } else { tbarFooter.hidden = FALSE; tbarHeader.hidden = FALSE; lblNavTitle.hidden = FALSE; lblNavEdit.hidden = FALSE; lblNavPls.hidden = FALSE; txtViewDescription.hidden = FALSE; } flgFaded = !flgFaded; </code></pre> <p>}</p>
 

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