diff --git a/build.gradle b/build.gradle
index 8ccd9c9..5634595 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,14 +1,16 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
+        classpath 'com.android.tools.build:gradle:3.3.2'
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 3c11526..84e1ddd 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Apr 18 11:58:38 MSK 2017
+#Tue Apr 09 10:31:28 CST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
diff --git a/library/build.gradle b/library/build.gradle
index 15dbe3d..3bb10d0 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,23 +1,14 @@
-buildscript {
-    repositories {
-        jcenter()
-    }
-    dependencies {
-        classpath 'com.novoda:bintray-release:0.4.0'
-    }
-}
 
 apply plugin: 'com.android.library'
-apply plugin: 'idea'
-apply plugin: 'bintray-release'
+//apply plugin: 'idea'
 
 android {
-    compileSdkVersion 23
+    compileSdkVersion 26
     buildToolsVersion '25.0.2'
 
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion 23
+        targetSdkVersion 26
         versionCode 22
         versionName '2.7.1'
     }
@@ -28,22 +19,15 @@ android {
     }
 }
 
-idea {
-    module {
-        downloadJavadoc = true
-        downloadSources = true
-    }
-}
+//idea {
+//    module {
+//        downloadJavadoc = true
+//        downloadSources = true
+//    }
+//}
 
 dependencies {
     compile 'org.slf4j:slf4j-android:1.7.21'
 }
 
-publish {
-    userOrg = 'alexeydanilov'
-    groupId = 'com.danikula'
-    artifactId = 'videocache'
-    publishVersion = android.defaultConfig.versionName
-    description = 'Cache support for android VideoView'
-    website = 'https://github.com/danikula/AndroidVideoCache'
-}
+
diff --git a/library/src/main/java/com/danikula/videocache/Config.java b/library/src/main/java/com/danikula/videocache/Config.java
index 29ab95c..25add15 100644
--- a/library/src/main/java/com/danikula/videocache/Config.java
+++ b/library/src/main/java/com/danikula/videocache/Config.java
@@ -1,5 +1,6 @@
 package com.danikula.videocache;
 
+import com.danikula.videocache.extend.IHttpUrlSourceMaker;
 import com.danikula.videocache.file.DiskUsage;
 import com.danikula.videocache.file.FileNameGenerator;
 import com.danikula.videocache.headers.HeaderInjector;
@@ -19,13 +20,15 @@ class Config {
     public final DiskUsage diskUsage;
     public final SourceInfoStorage sourceInfoStorage;
     public final HeaderInjector headerInjector;
+    public final IHttpUrlSourceMaker sourceMaker;
 
-    Config(File cacheRoot, FileNameGenerator fileNameGenerator, DiskUsage diskUsage, SourceInfoStorage sourceInfoStorage, HeaderInjector headerInjector) {
+    Config(File cacheRoot, FileNameGenerator fileNameGenerator, DiskUsage diskUsage, SourceInfoStorage sourceInfoStorage, HeaderInjector headerInjector,IHttpUrlSourceMaker sourceMaker) {
         this.cacheRoot = cacheRoot;
         this.fileNameGenerator = fileNameGenerator;
         this.diskUsage = diskUsage;
         this.sourceInfoStorage = sourceInfoStorage;
         this.headerInjector = headerInjector;
+        this.sourceMaker = sourceMaker;
     }
 
     File generateCacheFile(String url) {
diff --git a/library/src/main/java/com/danikula/videocache/HttpProxyCache.java b/library/src/main/java/com/danikula/videocache/HttpProxyCache.java
index 010354f..37e9816 100644
--- a/library/src/main/java/com/danikula/videocache/HttpProxyCache.java
+++ b/library/src/main/java/com/danikula/videocache/HttpProxyCache.java
@@ -84,7 +84,7 @@ private void responseWithCache(OutputStream out, long offset) throws ProxyCacheE
     }
 
     private void responseWithoutCache(OutputStream out, long offset) throws ProxyCacheException, IOException {
-        HttpUrlSource newSourceNoCache = new HttpUrlSource(this.source);
+        HttpUrlSource newSourceNoCache = this.source.copy();
         try {
             newSourceNoCache.open((int) offset);
             byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
diff --git a/library/src/main/java/com/danikula/videocache/HttpProxyCacheServer.java b/library/src/main/java/com/danikula/videocache/HttpProxyCacheServer.java
index 1f34ae8..31920bb 100644
--- a/library/src/main/java/com/danikula/videocache/HttpProxyCacheServer.java
+++ b/library/src/main/java/com/danikula/videocache/HttpProxyCacheServer.java
@@ -3,6 +3,7 @@
 import android.content.Context;
 import android.net.Uri;
 
+import com.danikula.videocache.extend.IHttpUrlSourceMaker;
 import com.danikula.videocache.file.DiskUsage;
 import com.danikula.videocache.file.FileNameGenerator;
 import com.danikula.videocache.file.Md5FileNameGenerator;
@@ -353,6 +354,7 @@ public static final class Builder {
         private DiskUsage diskUsage;
         private SourceInfoStorage sourceInfoStorage;
         private HeaderInjector headerInjector;
+        private IHttpUrlSourceMaker sourceMaker;
 
         public Builder(Context context) {
             this.sourceInfoStorage = SourceInfoStorageFactory.newSourceInfoStorage(context);
@@ -419,6 +421,17 @@ public Builder maxCacheFilesCount(int count) {
             return this;
         }
 
+        /**
+         * Set a http source maker which can build your defined http source.This give you a change to
+         * change the http request,such as sign url at so on.
+         * @param sourceMaker
+         * @return
+         */
+        public Builder sourceMaker(IHttpUrlSourceMaker sourceMaker) {
+            this.sourceMaker = sourceMaker;
+            return this;
+        }
+
         /**
          * Set custom DiskUsage logic for handling when to keep or clean cache.
          *
@@ -452,7 +465,7 @@ public HttpProxyCacheServer build() {
         }
 
         private Config buildConfig() {
-            return new Config(cacheRoot, fileNameGenerator, diskUsage, sourceInfoStorage, headerInjector);
+            return new Config(cacheRoot, fileNameGenerator, diskUsage, sourceInfoStorage, headerInjector,sourceMaker);
         }
 
     }
diff --git a/library/src/main/java/com/danikula/videocache/HttpProxyCacheServerClients.java b/library/src/main/java/com/danikula/videocache/HttpProxyCacheServerClients.java
index df12622..0061c10 100644
--- a/library/src/main/java/com/danikula/videocache/HttpProxyCacheServerClients.java
+++ b/library/src/main/java/com/danikula/videocache/HttpProxyCacheServerClients.java
@@ -79,7 +79,15 @@ public int getClientsCount() {
     }
 
     private HttpProxyCache newHttpProxyCache() throws ProxyCacheException {
-        HttpUrlSource source = new HttpUrlSource(url, config.sourceInfoStorage, config.headerInjector);
+        HttpUrlSource source = null;
+        if(null != config.sourceMaker)
+        {
+            source = config.sourceMaker.createHttpUrlSource(url, config.sourceInfoStorage, config.headerInjector);
+        }
+        else
+        {
+            source = new HttpUrlSource(url, config.sourceInfoStorage, config.headerInjector);
+        }
         FileCache cache = new FileCache(config.generateCacheFile(url), config.diskUsage);
         HttpProxyCache httpProxyCache = new HttpProxyCache(source, cache);
         httpProxyCache.registerCacheListener(uiCacheListener);
diff --git a/library/src/main/java/com/danikula/videocache/HttpUrlSource.java b/library/src/main/java/com/danikula/videocache/HttpUrlSource.java
index c7fb8ad..e193d98 100644
--- a/library/src/main/java/com/danikula/videocache/HttpUrlSource.java
+++ b/library/src/main/java/com/danikula/videocache/HttpUrlSource.java
@@ -33,14 +33,14 @@
  */
 public class HttpUrlSource implements Source {
 
-    private static final Logger LOG = LoggerFactory.getLogger("HttpUrlSource");
+    protected static final Logger LOG = LoggerFactory.getLogger("HttpUrlSource");
 
-    private static final int MAX_REDIRECTS = 5;
-    private final SourceInfoStorage sourceInfoStorage;
-    private final HeaderInjector headerInjector;
-    private SourceInfo sourceInfo;
-    private HttpURLConnection connection;
-    private InputStream inputStream;
+    protected static final int MAX_REDIRECTS = 5;
+    protected final SourceInfoStorage sourceInfoStorage;
+    protected final HeaderInjector headerInjector;
+    protected SourceInfo sourceInfo;
+    protected HttpURLConnection connection;
+    protected InputStream inputStream;
 
     public HttpUrlSource(String url) {
         this(url, SourceInfoStorageFactory.newEmptySourceInfoStorage());
@@ -64,6 +64,11 @@ public HttpUrlSource(HttpUrlSource source) {
         this.headerInjector = source.headerInjector;
     }
 
+    public HttpUrlSource copy()
+    {
+        return new HttpUrlSource(this);
+    }
+
     @Override
     public synchronized long length() throws ProxyCacheException {
         if (sourceInfo.length == Integer.MIN_VALUE) {
diff --git a/library/src/main/java/com/danikula/videocache/extend/IHttpUrlSourceMaker.java b/library/src/main/java/com/danikula/videocache/extend/IHttpUrlSourceMaker.java
new file mode 100644
index 0000000..e58ffed
--- /dev/null
+++ b/library/src/main/java/com/danikula/videocache/extend/IHttpUrlSourceMaker.java
@@ -0,0 +1,11 @@
+package com.danikula.videocache.extend;
+
+import com.danikula.videocache.HttpUrlSource;
+import com.danikula.videocache.Source;
+import com.danikula.videocache.headers.HeaderInjector;
+import com.danikula.videocache.sourcestorage.SourceInfoStorage;
+
+public interface IHttpUrlSourceMaker
+{
+    HttpUrlSource createHttpUrlSource(String url, SourceInfoStorage sourceInfoStorage, HeaderInjector headerInjector);
+}
diff --git a/sample/build.gradle b/sample/build.gradle
index 2e33790..25617b7 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -12,7 +12,7 @@ repositories {
 }
 
 apply plugin: 'com.android.application'
-apply plugin: 'com.neenbedankt.android-apt'
+//apply plugin: 'com.neenbedankt.android-apt'
 
 android {
     compileSdkVersion 23
@@ -27,12 +27,12 @@ android {
     }
 }
 
-apt {
-    arguments {
-        androidManifestFile variant.outputs[0].processResources.manifestFile
-        resourcePackageName android.defaultConfig.applicationId
-    }
-}
+//apt {
+//    arguments {
+//        androidManifestFile variant.outputs[0].processResources.manifestFile
+//        resourcePackageName android.defaultConfig.applicationId
+//    }
+//}
 
 dependencies {
 //    compile project(':library')
@@ -40,5 +40,6 @@ dependencies {
     compile 'org.androidannotations:androidannotations-api:3.3.2'
     compile 'com.danikula:videocache:2.7.1'
     compile 'com.viewpagerindicator:library:2.4.2-SNAPSHOT@aar'
-    apt 'org.androidannotations:androidannotations:3.3.2'
+//    apt 'org.androidannotations:androidannotations:3.3.2'
+    annotationProcessor 'com.google.dagger:dagger-compiler:2.12'
 }
diff --git a/settings.gradle b/settings.gradle
index c83799c..4c32e20 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,3 @@
-include ':sample', ':library', ':test'
+include ':sample'
+include ':library'
+include ':test'
diff --git a/test/src/main/AndroidManifest.xml b/test/src/main/AndroidManifest.xml
index d667938..acc5c6f 100644
--- a/test/src/main/AndroidManifest.xml
+++ b/test/src/main/AndroidManifest.xml
@@ -3,8 +3,6 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.danikula.videocache.test">
 
-    <uses-sdk android:minSdkVersion="18" />
-
     <application />
 
 </manifest>