2014/10/15 下午 10:14:27
iphone Programming Glossary: statementhow to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif if sqlite3_open @ private var mobile Library SMS sms.db UTF8String database SQLITE_OK sqlite3_stmt statement iOS 4 and 5 may require different SQL as the .db format may change const char sql4 SELECT text from.. systemVersion if osVersion hasPrefix @ 5 iOS 5. tested sqlite3_prepare_v2 database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if.. database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if you want more than just the most recent message while sqlite3_step statement..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And you should be ready to go. Xcode 4 For projects..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p @ d @ self NSString stringWithUTF8String.. s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now a UI refresh to occur from some other point in a process running on the main thread. The previous statement is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the.. coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement. _coordinate is a member variable. But what is coordinate Where is it declared iphone objective c ..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator are connected well formated.still i am not getting IAd banner in my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn 脌 be completed. Banner..
How to target a specific iPhone version? http://stackoverflow.com/questions/820142/how-to-target-a-specific-iphone-version I can't seem to figure out a way to target just 3.0 and ignore 2.2.1 etc. There is an ifdef statement but it just seems to cover the entire iPhone #if TARGET_OS_IPHONE Any help is appreciated. iphone ..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif NSString mostRecentSMS NSString text @ sqlite3 database if sqlite3_open @ private var mobile Library SMS sms.db UTF8String database SQLITE_OK sqlite3_stmt statement iOS 4 and 5 may require different SQL as the .db format may change const char sql4 SELECT text from message ORDER BY rowid DESC TODO different for iOS 4. const.. ORDER BY rowid DESC NSString osVersion UIDevice currentDevice systemVersion if osVersion hasPrefix @ 5 iOS 5. tested sqlite3_prepare_v2 database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if you want more than just the most recent message while sqlite3_step.. if osVersion hasPrefix @ 5 iOS 5. tested sqlite3_prepare_v2 database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if you want more than just the most recent message while sqlite3_step statement SQLITE_ROW if sqlite3_step statement SQLITE_ROW char content..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar provide the definitive answer This should be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered target nil action nil self navigationItem setBackBarButtonItem..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project in the files you need them. So open up Xcode and look for some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And you should be ready to go. Xcode 4 For projects created in Xcode 4 the prefix file can be found in the Supporting..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention even better reason if you use refactor in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just the synthesize mapping to the internal..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code define your own logging function with better functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p @ d @ self NSString stringWithUTF8String __FILE__ lastPathComponent __LINE__ NSString stringWithFormat.. __FILE__ lastPathComponent __LINE__ NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having DebugLog interact with normal Objective..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now to be unresponsive. This means that there is no way to force a UI refresh to occur from some other point in a process running on the main thread. The previous statement is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations performed on the main thread. However..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c CLLocationCoordinate2D coordinate self super init if self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement. _coordinate is a member variable. But what.. please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement. _coordinate is a member variable. But what is coordinate Where is it declared iphone objective c share improve this question Basically it doesn't mean anything..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator commitAnimations self.isBannerVisible NO And my xib connections are connected well formated.still i am not getting IAd banner in my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn 脌 be completed. Banner view is visible but does not have content UserInfo 0x574fdd0..
How to target a specific iPhone version? http://stackoverflow.com/questions/820142/how-to-target-a-specific-iphone-version code I want to only execute on the latest iPhone SDK 3.0 however I can't seem to figure out a way to target just 3.0 and ignore 2.2.1 etc. There is an ifdef statement but it just seems to cover the entire iPhone #if TARGET_OS_IPHONE Any help is appreciated. iphone share improve this question You can use this #define to change..
how to get the message when receiving the “kCTMessageReceivedNotification” notification on IOS5 http://stackoverflow.com/questions/10681995/how-to-get-the-message-when-receiving-the-kctmessagereceivednotification-notif @ sqlite3 database if sqlite3_open @ private var mobile Library SMS sms.db UTF8String database SQLITE_OK sqlite3_stmt statement iOS 4 and 5 may require different SQL as the .db format may change const char sql4 SELECT text from message ORDER BY rowid.. UIDevice currentDevice systemVersion if osVersion hasPrefix @ 5 iOS 5. tested sqlite3_prepare_v2 database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if you want more than.. 5. tested sqlite3_prepare_v2 database sql5 1 statement NULL else iOS 5. untested sqlite3_prepare_v2 database sql4 1 statement NULL Use the while loop if you want more than just the most recent message while sqlite3_step statement SQLITE_ROW if sqlite3_step..
How do I change the title of the “back” button on a Navigation Bar http://stackoverflow.com/questions/1449339/how-do-i-change-the-title-of-the-back-button-on-a-navigation-bar be placed in the method that calls the ViewController titled NewTitle . Right before the push or popViewController statement. UIBarButtonItem newBackButton UIBarButtonItem alloc initWithTitle @ NewTitle style UIBarButtonItemStyleBordered target..
Get the password from the webservices url and access through that password http://stackoverflow.com/questions/15377212/get-the-password-from-the-webservices-url-and-access-through-that-password the data for the url request. You can check that whether you URL connection is done properly or not using just if else statement as below. if conn NSLog @ 𨌆onnection Successful else NSLog @ 𨌆onnection could not be made 5. To receive the data from the..
How get a datetime column in SQLite with Objective C http://stackoverflow.com/questions/1711504/how-get-a-datetime-column-in-sqlite-with-objective-c datetime value1 and value2 . pk primary key value1 and value2 are integers so I am using int value1 sqlite3_column_int statement 2 int value1 sqlite3_column_int statement 3 But what should I use for datetime iphone objective c datetime sqlite share.. value1 and value2 are integers so I am using int value1 sqlite3_column_int statement 2 int value1 sqlite3_column_int statement 3 But what should I use for datetime iphone objective c datetime sqlite share improve this question In SQLite there..
Adding Core Data to existing iPhone project http://stackoverflow.com/questions/2032818/adding-core-data-to-existing-iphone-project up Xcode and look for some file like App_Prefix.pch by default it's in the Other Sources group. After the UIKit import statement add the following line #import CoreData CoreData.h And you should be ready to go. Xcode 4 For projects created in Xcode..
iPhone ivar naming convention [duplicate] http://stackoverflow.com/questions/2114587/iphone-ivar-naming-convention in XCode on an internal class var that is named the same as the property used to access it the property and synthesize statement will also be renamed. If you use refactor on a class variable prefixed with an _ the property name will not be changed just..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code functionality. Here's the one I use it includes the file name and line number to make it easier to track down log statements. #define DEBUG_MODE #ifdef DEBUG_MODE #define DebugLog s ... NSLog @ p @ d @ self NSString stringWithUTF8String __FILE__.. NSString stringWithFormat s ##__VA_ARGS__ #else #define DebugLog s ... #endif I found it easier to put this entire statement in the prefix header rather than its own file. You could if you wanted build a more complicated logging system by having..
Getting displacement from accelerometer data with Core Motion http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion there are people out there struggling with the same problem so it is worth to spent some time I agree with westsider's statement as I spent a few weeks of experimenting with different approaches and ended up with poor results. I am sure that there won't..
Is there a way to make drawRect work right NOW? http://stackoverflow.com/questions/4739748/is-there-a-way-to-make-drawrect-work-right-now is no way to force a UI refresh to occur from some other point in a process running on the main thread. The previous statement is not entirely correct as Tom's answer shows. You can allow the run loop to come to completion in the middle of operations..
What does an underscore signify in the name of a member variable in Objective-C? [duplicate] http://stackoverflow.com/questions/5659156/what-does-an-underscore-signify-in-the-name-of-a-member-variable-in-objective-c self super init if self nil _coordinate coordinate return self @end Can anyone please explain me the meaning of the statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement... statement @synthesize coordinate _coordinate I know the meaning of @synthesize . But could not understand the complete statement. _coordinate is a member variable. But what is coordinate Where is it declared iphone objective c share improve this..
how to display test IAd banner in the simulator http://stackoverflow.com/questions/5947552/how-to-display-test-iad-banner-in-the-simulator NO And my xib connections are connected well formated.still i am not getting IAd banner in my simulator and my Log statement giving me error like this Error Domain ADErrorDomain Code 5 The operation couldn 脌 be completed. Banner view is visible..
How to target a specific iPhone version? http://stackoverflow.com/questions/820142/how-to-target-a-specific-iphone-version iPhone SDK 3.0 however I can't seem to figure out a way to target just 3.0 and ignore 2.2.1 etc. There is an ifdef statement but it just seems to cover the entire iPhone #if TARGET_OS_IPHONE Any help is appreciated. iphone share improve this..
Creating an SQLite3 database file through Objective-C http://stackoverflow.com/questions/10540728/creating-an-sqlite3-database-file-through-objective-c szReg nil sqlite3_stmt statement nil if sqlite3_prepare_v2 database sql 1 statement NULL SQLITE_OK queryString Statement NSLog @ sql problem occured with s sql NSLog @ s sqlite3_errmsg database else you could handle multiple rows here while..
Export SQLite data to Excel in iOS programmatically http://stackoverflow.com/questions/11132900/export-sqlite-data-to-excel-in-ios-programmatically length if result 0 NSLog @ exportCsv encountered error d from header write result BOOL errorLogged NO NSString sqlStatement @ select timestamp latitude longitude horizontalAccuracy from my_sqlite_table Setup the SQL Statement and compile it for.. NO NSString sqlStatement @ select timestamp latitude longitude horizontalAccuracy from my_sqlite_table Setup the SQL Statement and compile it for faster access sqlite3_stmt compiledStatement if sqlite3_prepare_v2 database sqlStatement UTF8String 1.. horizontalAccuracy from my_sqlite_table Setup the SQL Statement and compile it for faster access sqlite3_stmt compiledStatement if sqlite3_prepare_v2 database sqlStatement UTF8String 1 compiledStatement NULL SQLITE_OK Loop through the results and..
Core Data “Upsert” from SQLite Database http://stackoverflow.com/questions/1997212/core-data-upsert-from-sqlite-database filessytem if sqlite3_open_v2 databasePath UTF8String database SQLITE_OPEN_READONLY NULL SQLITE_OK Setup the SQL Statement NSString sqlStatement NSString stringWithFormat @ SELECT some_columns FROM SomeTable sqlite3_stmt compiledStatement if sqlite3_prepare_v2.. databasePath UTF8String database SQLITE_OPEN_READONLY NULL SQLITE_OK Setup the SQL Statement NSString sqlStatement NSString stringWithFormat @ SELECT some_columns FROM SomeTable sqlite3_stmt compiledStatement if sqlite3_prepare_v2 database.. Statement NSString sqlStatement NSString stringWithFormat @ SELECT some_columns FROM SomeTable sqlite3_stmt compiledStatement if sqlite3_prepare_v2 database sqlStatement UTF8String 1 compiledStatement NULL SQLITE_OK Create objects to test for existence..
Does my application “contain encryption”? http://stackoverflow.com/questions/2135081/does-my-application-contain-encryption not classified under Category 5 Part 2 of the EAR based on the guidance provided by BIS at encryption question . The Statement of Understanding for medical equipment in Supplement No. 3 to Part 774 of the EAR can be accessed at Electronic Code of..
Open two tables from one SQLite db in one iPhone Class? http://stackoverflow.com/questions/4017160/open-two-tables-from-one-sqlite-db-in-one-iphone-class NSLog @ sqlite3_open if sqlite3_prepare_v2 database sql 1 statement NULL SQLITE_OK NSAssert1 0 @ Error Preparing Statement sqlite3_errcode database else while sqlite3_step statement SQLITE_ROW if the connection exists return the row of the query.. NSLog @ sqlite3_open if sqlite3_prepare_v2 database sql 1 statement NULL SQLITE_OK NSAssert1 0 @ Error Preparing Statement sqlite3_errcode database else while sqlite3_step statement SQLITE_ROW if the connection exists return the row of the query..
increase launch image time on xcode http://stackoverflow.com/questions/7137089/increase-launch-image-time-on-xcode share improve this question Better option would be to put a sleep of 5 seconds in your appDidFinishLaunching method. Statement at the start of your appDidFinishLaunching method. sleep 5 Hope this helps you. Note You may want to increase the time from..
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