Use UIRefreshControl on iOS6

robertpanzer · Sep 14, 2012 · d0fec99 · d0fec99
1 parent 4bcaa66
commit d0fec99
Show file tree

Hide file tree

Showing 2 changed files with 48 additions and 10 deletions.
diff --git a/Github To Go/PullToRefreshTableViewController.m b/Github To Go/PullToRefreshTableViewController.m
@@ -7,7 +7,7 @@
 //
 
 #import "PullToRefreshTableViewController.h"
-
+#import <CoreText/CoreText.h>
 
 
 @implementation ReloadLabel
@@ -65,6 +65,7 @@ -(void)stopActivity {
 
 @interface PullToRefreshTableViewController ()
 
+@property(nonatomic) BOOL useRefreshControl;
 @end
 
 @implementation PullToRefreshTableViewController
@@ -73,18 +74,43 @@ @implementation PullToRefreshTableViewController
 @synthesize reloadPossible;
 @synthesize isReloading;
 
--(void)viewWillAppear:(BOOL)animated {
-    if (self.reloadLabel == nil) {
+@class UIRefreshControl;
+
+-(void) viewDidLoad {
+    [super viewDidLoad];
+    Class refreshControlClass = NSClassFromString(@"UIRefreshControl");
+
+    if (refreshControlClass != NULL) {
+        self.useRefreshControl = YES;
+        // New iOS 6 Refresh Control
+        id refreshControl = [[refreshControlClass alloc] init];
+        //TODO: Remove id cast once iOS6 is minimum requirement
+        [self setRefreshControl:refreshControl];
+        NSDictionary *dict =[NSDictionary dictionaryWithObjectsAndKeys:
+                             [UIColor blackColor], kCTForegroundColorAttributeName,
+                             nil];
+
+        NSMutableAttributedString *title = [[NSMutableAttributedString alloc] initWithString:@"Pull to refresh" attributes:dict];
+
+        [refreshControl setAttributedTitle:title];
+        [refreshControl addTarget:self action:@selector(reload:) forControlEvents:UIControlEventValueChanged];
+    } else {
         self.reloadLabel = [[ReloadLabel alloc] initWithFrame:CGRectMake(0.0f, -40.0f, self.tableView.frame.size.width, 40.0f)];
         [self.tableView addSubview:self.reloadLabel];
-
     }
-    [self.tableView.panGestureRecognizer addTarget:self action:@selector(swiped:)];
+}
+
+-(void)viewWillAppear:(BOOL)animated {
+    if (!self.useRefreshControl) {
+        [self.tableView.panGestureRecognizer addTarget:self action:@selector(swiped:)];
+    }
 
 }
 
 -(void)viewWillDisappear:(BOOL)animated {
-    [self.tableView.panGestureRecognizer removeTarget:self action:@selector(swiped:)];
+    if (!self.useRefreshControl){
+        [self.tableView.panGestureRecognizer removeTarget:self action:@selector(swiped:)];
+    }
 }
 
 -(void) swiped:(UIPanGestureRecognizer*)recognizer {
@@ -120,6 +146,10 @@ -(void) swiped:(UIPanGestureRecognizer*)recognizer {
     }
 }
 
+-(void)reload:(id)sender {
+    [self reload];
+}
+
 -(void)reload {}
 
 -(void)willReload {
@@ -128,11 +158,15 @@ -(void)willReload {
 }
 
 -(void)reloadDidFinish {
-    if (self.isReloading) {
-        [self.tableView setContentOffset:CGPointMake(0.0f, 0.0f) animated:YES]; 
+    if (self.useRefreshControl) {
+        [self.refreshControl endRefreshing];
+    } else {
+        if (self.isReloading) {
+            [self.tableView setContentOffset:CGPointMake(0.0f, 0.0f) animated:YES];
+        }
+        self.isReloading = NO;
+        [self.reloadLabel stopActivity];
     }
-    self.isReloading = NO;
-    [self.reloadLabel stopActivity];
 }
 
 @end
diff --git a/Hub To Go.xcodeproj/project.pbxproj b/Hub To Go.xcodeproj/project.pbxproj
@@ -81,6 +81,7 @@
 		94C6566D15025FAD00E85813 /* UITableViewCell+GithubEvent.m in Sources */ = {isa = PBXBuildFile; fileRef = 94C6566C15025FAD00E85813 /* UITableViewCell+GithubEvent.m */; };
 		94C656711503727D00E85813 /* UITableViewCell+Person.m in Sources */ = {isa = PBXBuildFile; fileRef = 94C656701503727D00E85813 /* UITableViewCell+Person.m */; };
 		94C8AE74160385900026FD9E /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 94C8AE73160385900026FD9E /* Default-568h@2x.png */; };
+		94C8AE7616038C540026FD9E /* CoreText.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 94C8AE7516038C540026FD9E /* CoreText.framework */; };
 		94CC3C3B1523B31B00F4B25B /* PersonListTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 94CC3C391523B31B00F4B25B /* PersonListTableViewController.m */; };
 		94CC3C3C1523B31B00F4B25B /* PersonListTableViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 94CC3C3A1523B31B00F4B25B /* PersonListTableViewController.xib */; };
 		94CCEDF815951AF700D5D810 /* EventRootViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 94CCEDF715951AF700D5D810 /* EventRootViewController.m */; };
@@ -229,6 +230,7 @@
 		94C6566F1503727D00E85813 /* UITableViewCell+Person.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UITableViewCell+Person.h"; sourceTree = "<group>"; };
 		94C656701503727D00E85813 /* UITableViewCell+Person.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UITableViewCell+Person.m"; sourceTree = "<group>"; };
 		94C8AE73160385900026FD9E /* Default-568h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-568h@2x.png"; sourceTree = "<group>"; };
+		94C8AE7516038C540026FD9E /* CoreText.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreText.framework; path = System/Library/Frameworks/CoreText.framework; sourceTree = SDKROOT; };
 		94CC3C381523B31B00F4B25B /* PersonListTableViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PersonListTableViewController.h; sourceTree = "<group>"; };
 		94CC3C391523B31B00F4B25B /* PersonListTableViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PersonListTableViewController.m; sourceTree = "<group>"; };
 		94CC3C3A1523B31B00F4B25B /* PersonListTableViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = PersonListTableViewController.xib; sourceTree = "<group>"; };
@@ -266,6 +268,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				94C8AE7616038C540026FD9E /* CoreText.framework in Frameworks */,
 				940AF862159BAD7200F8A5EB /* MessageUI.framework in Frameworks */,
 				940AF85F159B7A8A00F8A5EB /* Twitter.framework in Frameworks */,
 				94C2F9FC158CBEDF0006640F /* QuartzCore.framework in Frameworks */,
@@ -426,6 +429,7 @@
 		949FB12414B3327700D3E713 = {
 			isa = PBXGroup;
 			children = (
+				94C8AE7516038C540026FD9E /* CoreText.framework */,
 				940AF861159BAD7200F8A5EB /* MessageUI.framework */,
 				940AF85E159B7A8A00F8A5EB /* Twitter.framework */,
 				94C2F9FB158CBEDF0006640F /* QuartzCore.framework */,