Merge pull request #244 from hehe520/hotfix/memory_leak_ck

【bugfix】修复一处内存泄漏

Author: jemygraw

QiniuDemo/QiniuDemo.xcodeproj/project.pbxproj

@@ -347,7 +347,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n    cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n    exit 1\nfi\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n";
 			showEnvVarsInLog = 0;
 		};
 		ABE36606520E0BC28F0FB079 /* [CP] Copy Pods Resources */ = {
@@ -377,7 +377,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n    cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n    exit 1\nfi\n";
+			shellScript = "diff \"${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";
 			showEnvVarsInLog = 0;
 		};
 		E7747219847A629D5312382A /* [CP] Embed Pods Frameworks */ = {

QiniuSDK/Http/QNSessionManager.m

@@ -113,6 +113,13 @@ - (instancetype)initWithProxy:(NSDictionary *)proxyDict
     return self;
 }
 
+- (void)dealloc {
+    // 释放前，关闭 AFN 的 session，不然AFN内部有循环引用，导致内存无法释放，如果创建了多个 QNUploadManager 将丢多次内存
+    if (self.httpManager) {
+        [self.httpManager.session finishTasksAndInvalidate];
+    }
+}
+
 + (AFHTTPSessionManager *)httpManagerWithProxy:(NSDictionary *)proxyDict {
     NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
     if (proxyDict != nil) {