Will's Blog

// In Swift should check the method, even user don't tap the cantainer view.
// But in Objective-C,  *** Terminating app due to uncaught exception 'NSInvalidUnarchiveOperationException', 
// reason: 'Could not instantiate class named AVPlayerViewController'
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    
    // set up the player
    if ([segue.identifier  isEqual: @"videoSegue"]) {
        
        NSString *path = [[NSBundle mainBundle] pathForResource:@"yishengsuoai" ofType:@"mp4"];
        NSURL *url = [[NSURL alloc] initFileURLWithPath:path];
        
        AVPlayerViewController *vc = segue.destinationViewController;
        vc.player = [AVPlayer playerWithURL:url];
    }

}

// "Delete" the extra separator of UITableView and the last one Separator in ecah Section
- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
    
    return 0.01f;
}

- (void)viewDidLoad {
	self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
}

// Updating Objects with primary keys
// This will make properties no settled be NULL
[GWClassmate createOrUpdateInDefaultRealmWithValue:newClassmate];

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    if ([segue.identifier isEqualToString:@"showDetail"]) {
        
        NSIndexPath *indexPath = [self.tableView indexPathForCell:sender];
        GWCustomTableViewCell *cell = (GWCustomTableViewCell *)[self.tableView cellForRowAtIndexPath:indexPath];
        
        GWDetailViewController *vc = (GWDetailViewController *)segue.destinationViewController;
        
//        vc.userid       = cell.userid;
        vc.name.text    = cell.name.text;

    }
}

//
//  BLUtility.m

/**
 *  创建目录
 *
 *  @param dirPath 待创建的目录
 *  @param isDir   结尾是否是目录
 *
 *  @return 是否创建成功
 */
+ (NSString*) getPathWithinDocumentDir:(NSString*)aPath {
	NSString *fullPath = nil;
	NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
	
	if ([paths count] > 0) {
		fullPath = (NSString *)[paths objectAtIndex:0];
		if ([aPath length] > 0) {
			fullPath = [fullPath stringByAppendingPathComponent:aPath];
		}
	}
	return fullPath;
}

//
//  BLArchiveViewController.m

/**
 *  测试保存文档和 plist 的按钮关联的 Action 方法
 *
 *  @param sender <#sender description#>
 */
- (void)writeFileButtonClicked:(id)sender {
    // 1 - 测试字符串文档，保存到 Documents
    // 1.1 - 生成并保存
    NSString *string = @"ABC副经理";
    NSString *stringFilePath = [BLUtility getPathWithinDocumentDir:@"string.text"];
    [BLUtility createDirectory:stringFilePath lastComponentIsDirectory:NO];
    [string writeToFile:stringFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil];
}

//
//  BLUser.m

/**
 *  解码
 *
 *  @param aDecoder 编码类型
 *
 *  @return 解码得到的对象
 */
- (id)initWithCoder:(NSCoder *)aDecoder {
	self = [super init];
	if (self) {
		self.userName	= [aDecoder decodeObjectForKey:@"userName"];
		self.email		= [aDecoder decodeObjectForKey:@"email"];
		self.password	= [aDecoder decodeObjectForKey:@"password"];
		self.age		= [aDecoder decodeIntForKey:@"age"];
	}
	return self;
}

//
//  BLUtility.m

/**
 *  解档
 *
 *  @param archivedData 待解档的 NSData
 *  @param key           key
 *
 *  @return  解档完成的对象
 */
+ (NSObject *) unarchiverObject:(NSData *)archivedData withKey:(NSString *)key {
	if(archivedData == nil) {
		return nil;
	}
	
	NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:archivedData];
	NSObject *object = [unarchiver decodeObjectForKey:key];
	[unarchiver finishDecoding];
	return object;
}

//
//  BLArchiveViewController.m

/**
 *  读取按钮关联的 Action 方法
 *
 *  @param sender <#sender description#>
 */
- (void) readButtonClicked:(id)sender {
    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
    NSInteger test = [userDefaults integerForKey:@"integer"];
    NSLog(@"test = %li", test);
    
	NSString *userDataPath = [BLUtility getPathWithinDocumentDir:UserDataName];
	if ([userDataPath length] > 0 && [[NSFileManager defaultManager] fileExistsAtPath:userDataPath]) {
        NSData *userData = [NSData dataWithContentsOfFile:userDataPath];
		BLUser *user = (BLUser *)[BLUtility unarchiverObject:userData withKey:@"UserData"];
		_userNameTextField.text = user.userName;
		_emailTextField.text = user.email;
		_passwordTextField.text = user.password;
		_ageTextField.text = [NSString stringWithFormat:@"%ld", user.age];
	}
}

//
//  BLPoemDB.h


#import <Foundation/Foundation.h>
#import "FMDatabase.h"
#import "BLPoem.h"

@interface BLPoemDB : NSObject {
    /**
     *  创建一个 FMDatabase 实例
     */
	FMDatabase		*_db;
}

/**
 *  创建一个表
 *
 *  @return 是否创建成功
 */
- (BOOL) createPoemTable;

/**
 *  增加一首诗到表
 *
 *  @param poem 待添加的诗
 *
 *  @return 是否添加成功
 */
- (BOOL) addPoem:(BLPoem *)poem;

/**
 *  查询所有诗
 *
 *  @return 查询到的包含所有诗的数组
 */
- (NSMutableArray *) getAllPoems;

/**
 *  查询被收藏的诗
 *
 *  @return 查询到的包含所有收藏的诗的数组
 */
- (NSMutableArray *) getFavoritesPoems;

/**
 *  更改是非收藏这一首诗
 *
 *  @param favorite 是否收藏
 *  @param poemId   待更改的诗的 ID
 *
 *  @return 是否更改收藏成功
 */
- (BOOL) setFavorite:(BOOL)favorite favoriteId:(NSInteger)poemId;

/**
 *  删除指定 ID 的一首诗
 *
 *  @param poemId 待删除的诗的 ID
 *
 *  @return  是否删除成功
 */
- (BOOL) deletePoemWithPoemId:(NSInteger)poemId;

@end

//
//  BLPoemDB.m
//  BLDataSaveDemo


#import "BLPoemDB.h"
#import "BLUtility.h"

#define BLPOEMDBNAME @"BLPoemDB.sqlite"

@implementation BLPoemDB

/**
 *  初始化数据库 FMDatabase 实例
 *
 *  @return 初始化得到的 FMDatabase 实例
 */
-(id) init {
	self = [super init];
	if (self) {
		NSString *dbPath = [BLUtility getPathWithinDocumentDir:BLPOEMDBNAME];
		NSFileManager *fileManager = [NSFileManager defaultManager];
		BOOL existFile = [fileManager fileExistsAtPath:dbPath];
		if (existFile == NO) {
			NSString *poemDBPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:BLPOEMDBNAME];
			[fileManager copyItemAtPath:poemDBPath toPath:dbPath error:nil];
		}
		_db	 = [[FMDatabase alloc] initWithPath:dbPath];
		if ([_db open] == NO) {
			return nil;
		}
	}
	return self;
}


- (BOOL) createPoemTable {
	[_db beginTransaction];
	BOOL success = [_db executeUpdate:@"CREATE TABLE IF NOT EXISTS POEMTABLE ("
					@"ID INTEGER PRIMARY KEY NOT NULL,"
					@"POEMNAME TEXT NOT NULL,"
					@"POETNAME TEXT NOT NULL,"
					@"POEMCONTENT TEXT NOT NULL,"
					@"WHETHERFAVORITE BOOL NOT NULL);"];
	[_db commit];
	
	if(!success || [_db hadError]) {
		[_db rollback];
		return NO;
	}
	return YES;
}

- (BOOL) addPoem:(BLPoem *)poem {
	FMResultSet *rs = [_db executeQuery:@"SELECT ID FROM POEMTABLE WHERE ID=?", [NSNumber numberWithInteger:poem.poemId]];
	if(rs && [rs next]) {
		[rs close];
		return YES;
	}
	[rs close];
	
	[_db beginTransaction];
	NSString *bookMark = nil;		
	BOOL success =  [_db executeUpdate:@"INSERT OR IGNORE INTO POEMTABLE (ID,POEMNAME,POETNAME,POEMCONTENT,WHETHERFAVORITE) VALUES (?,?,?,?,?);",
					 [NSNumber numberWithInteger:poem.poemId],
					 poem.poemName,
					 poem.poetName,
					 poem.poemContent,
					 [NSNumber numberWithBool:poem.whetherFavorite],
					 bookMark];
	[_db commit];
	
	if(!success || [_db hadError]) {
		[_db rollback];
		return NO;
	}
	return YES;
}

- (NSMutableArray *) getAllPoems {	
	NSMutableArray *result = [[NSMutableArray alloc] init];
//	FMResultSet *rs = [_db executeQuery:@"SELECT * FROM POEMTABLE WHERE ID=? AND WHETHERFAVORITE=?", [NSNumber numberWithInt:poem.poemId], [NSNumber numberWithBool:poem.whetherFavorite]];
	FMResultSet *rs = [_db executeQuery:@"SELECT * FROM POEMTABLE"];
	while([rs next]) {
		BLPoem *poem = [[BLPoem alloc] init];
		poem.poemId = [rs intForColumn:@"ID"];
		poem.poemName = [rs	stringForColumn:@"POEMNAME"];
		poem.poetName = [rs stringForColumn:@"POETNAME"];
		poem.poemContent = [rs stringForColumn:@"POEMCONTENT"];
		poem.whetherFavorite = [rs boolForColumn:@"WHETHERFAVORITE"];
		[result addObject:poem];
	}
	[rs close];
	return result;
}

- (NSMutableArray *) getFavoritesPoems {
	NSMutableArray *result = [[NSMutableArray alloc] init];	
	FMResultSet *rs = [_db executeQuery:@"SELECT * FROM POEMTABLE WHERE WHETHERFAVORITE=?", [NSNumber numberWithBool:YES]];
	while([rs next]) {
		BLPoem *poem = [[BLPoem alloc] init];
		poem.poemId = [rs intForColumn:@"ID"];
		poem.poemName = [rs	stringForColumn:@"POEMNAME"];
		poem.poetName = [rs stringForColumn:@"POETNAME"];
		poem.poemContent = [rs stringForColumn:@"POEMCONTENT"];
		poem.whetherFavorite = [rs boolForColumn:@"WHETHERFAVORITE"];
		[result addObject:poem];
	}
	[rs close];
	return result;
}

- (BOOL) setFavorite:(BOOL)favorite favoriteId:(NSInteger)poemId {
	if (_db == nil) {
		return NO;
	}
	[_db beginTransaction];
	BOOL result = [_db executeUpdate:@"UPDATE POEMTABLE SET WHETHERFAVORITE=? WHERE ID=?", [NSNumber numberWithBool:favorite], [NSNumber numberWithInteger:poemId]];
	[_db commit];
	return result;
}

- (BOOL) deletePoemWithPoemId:(NSInteger)poemId {
	[_db beginTransaction];
	BOOL success = [_db executeUpdate:@"DELETE FROM POEMTABLE WHERE ID=?", [NSNumber numberWithInteger:poemId]];
	[_db commit];
	if(!success || [_db hadError]) {
		[_db rollback];
		return NO;
	}
	return YES;
}

- (void) dealloc {
	[_db	close];
	_db		= nil;
}

@end

#import <AVFoundation/AVFoundation.h>
#import <AudioToolbox/AudioToolbox.h>
#import <MediaPlayer/MediaPlayer.h>

@interface BLOneViewController ()<UIAlertViewDelegate, UIActionSheetDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
    AVAudioPlayer           *audioPlayer;
    SystemSoundID           systemSoundId;
}


#pragma mark - Play Music button action

- (IBAction)palyMusic:(UIButton *)sender {
    

    
    if (!audioPlayer) {
        NSString *mp3Path = [[NSBundle mainBundle] pathForResource:@"yishengsuoai" ofType:@"mp3"];
        NSURL *mp3Url = [[NSURL alloc] initFileURLWithPath:mp3Path];
        audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:mp3Url error:NULL];
        audioPlayer.numberOfLoops = -1;
        [audioPlayer prepareToPlay];
    }
    if ([audioPlayer isPlaying]) {
        [audioPlayer stop];
        sender.titleLabel.text = @"Play Music";
        
    }else {
        [audioPlayer play];
        sender.titleLabel.text = @"Pasue Music";
        
    }
}

// 4 - Start update divice motion and print them
   // The accelerometer measures the sum of two acceleration vectors: gravity and user acceleration.
   NSOperationQueue *diviceMotionQueue = [[NSOperationQueue alloc] init];
   [self.motionManager startDeviceMotionUpdatesToQueue:diviceMotionQueue
                                           withHandler:^(CMDeviceMotion *motion, NSError *error) {
                                               
                                               NSLog(@"\n \n-------------------------------------------------------------------------->\n \n 1 - attitude: %@ \n 2 - rotation rate x: %f, y: %f, z: %f,\n  \n 3 - gravity x: %f, y: %f, z: %f \n \n 4 - user acceleration x: %f, y: %f, z: %f \n \n 5 - magnetic field accuracy: %d, x: %f, y: %f, z: %f \n \n <--------------------------------------------------------------------------\n \n" ,
                                                     motion.attitude,
                                                     motion.rotationRate.x, motion.rotationRate.y, motion.rotationRate.z,
                                                     motion.gravity.x, motion.gravity.y, motion.gravity.z,
                                                     motion.userAcceleration.x, motion.userAcceleration.y, motion.userAcceleration.z,
                                                     motion.magneticField.accuracy, motion.magneticField.field.x, motion.magneticField.field.y, motion.magneticField.field.z);
                                           }];

// 1 - Register Remote Notification
// 2 - Register deviceToken
// 3 - Receive Remote Notification
// 4 - Update Icon Badge Number

// 程序员和管理对象模式之间的桥梁，做数据库的增删改查等操作
@property (readonly, strong, nonatomic) NSManagedObjectContext *managedObjectContext;

// 数据库里的不同管理对象类型
@property (readonly, strong, nonatomic) NSManagedObjectModel *managedObjectModel;

// 数据库文件和程序之间的联系桥梁
@property (readonly, strong, nonatomic) NSPersistentStoreCoordinator *persistentStoreCoordinator;

@interface UIView(UIViewHierarchy)

@property(nonatomic,readonly) UIView       *superview;
@property(nonatomic,readonly,copy) NSArray *subviews;
@property(nonatomic,readonly) UIWindow     *window;

- (void)removeFromSuperview;
- (void)insertSubview:(UIView *)view atIndex:(NSInteger)index;
- (void)exchangeSubviewAtIndex:(NSInteger)index1 withSubviewAtIndex:(NSInteger)index2;

- (void)addSubview:(UIView *)view;
- (void)insertSubview:(UIView *)view belowSubview:(UIView *)siblingSubview;
- (void)insertSubview:(UIView *)view aboveSubview:(UIView *)siblingSubview;

- (void)bringSubviewToFront:(UIView *)view;
- (void)sendSubviewToBack:(UIView *)view;

- (void)didAddSubview:(UIView *)subview;
- (void)willRemoveSubview:(UIView *)subview;

- (void)willMoveToSuperview:(UIView *)newSuperview;
- (void)didMoveToSuperview;
- (void)willMoveToWindow:(UIWindow *)newWindow;
- (void)didMoveToWindow;

- (BOOL)isDescendantOfView:(UIView *)view;  // returns YES for self.
- (UIView *)viewWithTag:(NSInteger)tag;     // recursive search. includes self

// Allows you to perform layout before the drawing cycle happens. -layoutIfNeeded forces layout early
- (void)setNeedsLayout;
- (void)layoutIfNeeded;

NS_CLASS_AVAILABLE_IOS(2_0) @interface UIResponder : NSObject {
  @private
}

- (UIResponder*)nextResponder;

- (BOOL)canBecomeFirstResponder;    // default is NO
- (BOOL)becomeFirstResponder;

- (BOOL)canResignFirstResponder;    // default is YES
- (BOOL)resignFirstResponder;

- (BOOL)isFirstResponder;

// Generally, all responders which do custom touch handling should override all four of these methods.
// Your responder will receive either touchesEnded:withEvent: or touchesCancelled:withEvent: for each
// touch it is handling (those touches it received in touchesBegan:withEvent:).
// *** You must handle cancelled touches to ensure correct behavior in your application.  Failure to
// do so is very likely to lead to incorrect behavior or crashes.
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;

- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event NS_AVAILABLE_IOS(3_0);
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event NS_AVAILABLE_IOS(3_0);
- (void)motionCancelled:(UIEventSubtype)motion withEvent:(UIEvent *)event NS_AVAILABLE_IOS(3_0);

- (void)remoteControlReceivedWithEvent:(UIEvent *)event NS_AVAILABLE_IOS(4_0);

- (BOOL)canPerformAction:(SEL)action withSender:(id)sender NS_AVAILABLE_IOS(3_0);
// Allows an action to be forwarded to another target. By default checks -canPerformAction:withSender: to either return self, or go up the responder chain.
- (id)targetForAction:(SEL)action withSender:(id)sender NS_AVAILABLE_IOS(7_0);