support highlight specified item in PieChart.

PNChart/PNPieChart.h

@@ -69,4 +69,7 @@
 
 - (void)recompute;
 
+/** highlight the specified item */
+- (void)highlightItemWithIndex:(NSInteger)index;
+
 @end

PNChart/PNPieChart.m

@@ -317,6 +317,10 @@ - (void)didTouchAt:(CGPoint)touchLocation
         [self.delegate userClickedOnPieIndexItem:index];
     }
 
+    [self highlightItemWithIndex:index];
+}
+
+- (void)highlightItemWithIndex:(NSInteger)index {
     if (self.shouldHighlightSectorOnTouch)
     {
         if (!self.enableMultipleSelection)
@@ -345,7 +349,7 @@ - (void)didTouchAt:(CGPoint)touchLocation
 
         if (self.enableMultipleSelection)
         {
-            NSString *dictIndex = [NSString stringWithFormat:@"%d", index];
+            NSString *dictIndex = [NSString stringWithFormat:@"%ld", (long)index];
             CAShapeLayer *indexShape = [self.selectedItems valueForKey:dictIndex];
             if (indexShape)
             {

PNChartDemo.xcodeproj/project.pbxproj

@@ -416,8 +416,6 @@
 				0AF7A860182AA9F6003645C4 /* Sources */,
 				0AF7A861182AA9F6003645C4 /* Frameworks */,
 				0AF7A862182AA9F6003645C4 /* Resources */,
-				7D516272BD760D57A76DAD64 /* [CP] Embed Pods Frameworks */,
-				4552CFD6C9080AB9EE9E46D1 /* [CP] Copy Pods Resources */,
 				3ED57DE8204F0C44003D6796 /* Embed Frameworks */,
 			);
 			buildRules = (
@@ -456,8 +454,6 @@
 				6E984E4D1AE2AF2D00E817A0 /* Sources */,
 				6E984E4E1AE2AF2D00E817A0 /* Frameworks */,
 				6E984E4F1AE2AF2D00E817A0 /* Resources */,
-				352F07839FB03B1A9D90A483 /* [CP] Embed Pods Frameworks */,
-				7D8856A691FAB9EC9C672F2A /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -539,36 +535,6 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXShellScriptBuildPhase section */
-		352F07839FB03B1A9D90A483 /* [CP] Embed Pods Frameworks */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Embed Pods Frameworks";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-PNChartTests/Pods-PNChartTests-frameworks.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
-		4552CFD6C9080AB9EE9E46D1 /* [CP] Copy Pods Resources */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Copy Pods Resources";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-PNChartDemo/Pods-PNChartDemo-resources.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
 		701E9E0847192B2A2BE3698D /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
@@ -587,36 +553,6 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
-		7D516272BD760D57A76DAD64 /* [CP] Embed Pods Frameworks */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Embed Pods Frameworks";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-PNChartDemo/Pods-PNChartDemo-frameworks.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
-		7D8856A691FAB9EC9C672F2A /* [CP] Copy Pods Resources */ = {
-			isa = PBXShellScriptBuildPhase;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputPaths = (
-			);
-			name = "[CP] Copy Pods Resources";
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods-PNChartTests/Pods-PNChartTests-resources.sh\"\n";
-			showEnvVarsInLog = 0;
-		};
 		FA0C39B32F296624BBDFF3E3 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;

PNChartDemo/PCChartViewController.m

@@ -480,4 +480,8 @@ - (IBAction)animationsSwitchChanged:(UISwitch *)sender {
     }
 }
 
+- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
+    [self.pieChart highlightItemWithIndex:2];
+}
+
 @end

Podfile

@@ -3,7 +3,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
 target :PNChartDemo do
-    pod 'UICountingLabel','~> 1.4.1'
+    pod 'UICountingLabel','~> 1.0.0'
 end
 
 target :PNChartTests do

Podfile.lock

@@ -1,15 +1,20 @@
 PODS:
   - Expecta (1.0.6)
-  - UICountingLabel (1.4.1)
+  - UICountingLabel (1.0.0)
 
 DEPENDENCIES:
   - Expecta
-  - UICountingLabel (~> 1.4.1)
+  - UICountingLabel (~> 1.0.0)
+
+SPEC REPOS:
+  https://github.com/cocoapods/specs.git:
+    - Expecta
+    - UICountingLabel
 
 SPEC CHECKSUMS:
   Expecta: 3b6bd90a64b9a1dcb0b70aa0e10a7f8f631667d5
-  UICountingLabel: faf890b505d96312e324a86718f031fafffb0ccb
+  UICountingLabel: 540feeca6bbb78be892c8ab75b6ad02313cb2b10
 
-PODFILE CHECKSUM: de6be598c24bcfa6bcb5d22972adde29af718156
+PODFILE CHECKSUM: e78182a4fa088d19e3151af985af1dc8a514b92a
 
-COCOAPODS: 1.4.0
+COCOAPODS: 1.5.3