ktyr report

UIWindowを取得する

-(UIWindow*)getWindow{
    UIWindow* window=[UIApplication sharedApplication].keyWindow;
    if(!window)window=[[UIApplication sharedApplication].windows objectAtIndex:0];
    return window;
}

iOSのバージョンを取得

NSString*osVersion=[[UIDevice currentDevice] systemVersion];

スクリーンのサイズを取得

CGRect rec=[[UIScreen mainScreen]bounds];
BOOL iphone5=rec.size.height>480.0;

オブジェクトのメモリアドレスを取得

-(double)getMemAddressDouble:(id)n{
    NSString*s=[NSString stringWithFormat:@"%p",n];
    NSScanner*scan=[NSScanner scannerWithString:s];
    double d;
    [scan scanHexDouble:&d];
    return d;
}
double touchmem=[self getMemAddressDouble:[[touches allObjects] objectAtIndex:0]];

ヘッダーファイル

-(void)myMethod:(NSString*)args, ...NS_REQUIRES_NIL_TERMINATION;

実装部分

-(void)myMethod:(NSString*)args, ...
{
    va_list arguments;
    va_start(arguments, args);
    
    NSString* value = args;
    NSString* fvalue = args;
    while (value){
        NSLog(@"--value %@",value);

        value = va_arg(arguments, typeof(NSString*));
    }
    va_end(arguments);
}

EGODatabase*db=[EGODatabase databaseWithPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/database.db"]];
NSString*sql=[NSString stringWithFormat:@"insert into %@ (id,filename) values(%d,%@)",tableName,id,fileName];
EGODatabaseResult*result=[db executeQuery:sql];
if (result.errorCode) {//failed
    return NO;
}
return YES;

参考サイト
enormego/egodatabase · GitHub
https://github.com/enormego/egodatabase

EGODatabase*db=[EGODatabase databaseWithPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/database.db"]];
NSString*sql=@"SELECT * FROM tableName WHERE no=1 ORDER BY id;"
EGODatabaseResult*result=[db executeQuery:sql];
if (result.errorCode) {//failed
    return;
}
NSMutableArray*list=[NSMutableArray arrayWithCapacity:[result count]];
for (EGODatabaseRow*row in result) {
    [list addObject:[row stringForColumn:@"name"]];
}

参考サイト
enormego/egodatabase · GitHub
https://github.com/enormego/egodatabase

EGODatabase*db=[EGODatabase databaseWithPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/database.db"]];
NSString*sql=@"select name from sqlite_master where type = 'table' order by name";
EGODatabaseResult*result=[db executeQuery:sql];
if (result.errorCode) {//failed
    return;
}
NSMutableArray*list=[NSMutableArray arrayWithCapacity:[result count]];
for (EGODatabaseRow*row in result) {
    [list addObject:[row stringForColumn:@"name"]];
}

参考サイト
enormego/egodatabase · GitHub
https://github.com/enormego/egodatabase

EGODatabase*db=[EGODatabase databaseWithPath:[NSHomeDirectory() stringByAppendingPathComponent:@"Documents/database.db"]];
NSString*n=@"tableName";
NSString*sql=[NSString stringWithFormat:@"drop table if exists %@",n];
EGODatabaseResult*result=[db executeQuery:sql];
if (result.errorCode) {//failed
        
}else{//success
        
}

参考サイト
enormego/egodatabase · GitHub
https://github.com/enormego/egodatabase

CGImageを使う方法

-(UIImage*)getCUIImage:(UIImage*)img{
    return [UIImage imageWithCGImage:[img CGImage]];
}

CGImageを使わない方法

-(UIImage*)getCopyUIImage:(UIImage*)imageToCopy{
    UIGraphicsBeginImageContext(imageToCopy.size);
    [imageToCopy drawInRect:CGRectMake(0, 0, imageToCopy.size.width, imageToCopy.size.height)];
    UIImage *copiedImage =UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();  
    return copiedImage;
}