diff --git a/app/build.gradle b/app/build.gradle
index 6b2fd40..430ceef 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,15 +1,15 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 28
     defaultConfig {
         applicationId "com.fanneng.android.web.demo"
         multiDexEnabled true
-        minSdkVersion 15
-        targetSdkVersion 26
+        minSdkVersion 21
+        targetSdkVersion 28
         versionCode 2
         versionName "1.0.2"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -29,9 +29,9 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
-    compile 'com.android.support:appcompat-v7:26.1.0'
-    compile 'com.nineoldandroids:library:2.4.0'
-    compile 'com.coolindicator.sdk:coolindicator:1.0.0-beta'
-    compile project(':superweb')
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha3'
+    implementation 'androidx.appcompat:appcompat:1.1.0-alpha01'
+    implementation 'com.nineoldandroids:library:2.4.0'
+    implementation 'com.coolindicator.sdk:coolindicator:1.0.0-beta'
+    implementation project(':superweb')
 }
diff --git a/app/src/main/assets/file/test.pdf b/app/src/main/assets/file/test.pdf
old mode 100755
new mode 100644
index 7fc877f..5042701
Binary files a/app/src/main/assets/file/test.pdf and b/app/src/main/assets/file/test.pdf differ
diff --git a/app/src/main/java/com/fanneng/android/web/demo/CommonActivity.java b/app/src/main/java/com/fanneng/android/web/demo/CommonActivity.java
index 123b3fa..e06172d 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/CommonActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/CommonActivity.java
@@ -6,14 +6,15 @@
 import android.graphics.PixelFormat;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v7.app.AppCompatActivity;
 import android.view.KeyEvent;
 
 import com.fanneng.android.web.demo.interactive.SlidingFragment;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
 /**
  * describe：公共加载fragment类
  *
diff --git a/app/src/main/java/com/fanneng/android/web/demo/FileDisplayActivity.java b/app/src/main/java/com/fanneng/android/web/demo/FileDisplayActivity.java
index dfe78e2..a030d70 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/FileDisplayActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/FileDisplayActivity.java
@@ -3,11 +3,12 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v7.app.AppCompatActivity;
 
 import com.fanneng.android.web.file.FileReaderView;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+
 /**
  * describe：文件阅读类
  *
diff --git a/app/src/main/java/com/fanneng/android/web/demo/FileListActivity.java b/app/src/main/java/com/fanneng/android/web/demo/FileListActivity.java
index c9dc9ba..647033d 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/FileListActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/FileListActivity.java
@@ -3,9 +3,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -17,6 +14,10 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
 /**
  * describe：功能列表
  *
@@ -110,7 +111,7 @@ private String getFilePath(int position) {
                 break;
 
             case 3:
-                path = getFilesDir().getAbsolutePath() + File.separator +"test.pptx";
+                path = getFilesDir().getAbsolutePath() + File.separator +"demo.pptx";
                 break;
 
             case 4:
diff --git a/app/src/main/java/com/fanneng/android/web/demo/JsFragment.java b/app/src/main/java/com/fanneng/android/web/demo/JsFragment.java
index d8f9b98..4e7da66 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/JsFragment.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/JsFragment.java
@@ -2,8 +2,6 @@
 
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.annotation.RequiresApi;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -13,6 +11,9 @@
 
 import org.json.JSONObject;
 
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+
 /**
  * describe：公共加载fragment类
  *
diff --git a/app/src/main/java/com/fanneng/android/web/demo/MainActivity.java b/app/src/main/java/com/fanneng/android/web/demo/MainActivity.java
index ca5d56b..da5dae3 100644
--- a/app/src/main/java/com/fanneng/android/web/demo/MainActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/MainActivity.java
@@ -2,9 +2,6 @@
 
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,6 +10,10 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
 import static com.fanneng.android.web.demo.CommonActivity.TYPE_KEY;
 
 /**
diff --git a/app/src/main/java/com/fanneng/android/web/demo/SuperWebX5Fragment.java b/app/src/main/java/com/fanneng/android/web/demo/SuperWebX5Fragment.java
index a935685..4b5db83 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/SuperWebX5Fragment.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/SuperWebX5Fragment.java
@@ -4,8 +4,10 @@
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
+
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/app/src/main/java/com/fanneng/android/web/demo/ToolbarActivity.java b/app/src/main/java/com/fanneng/android/web/demo/ToolbarActivity.java
index 5e1687b..06928a4 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/ToolbarActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/ToolbarActivity.java
@@ -3,10 +3,6 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import android.support.design.widget.AppBarLayout;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
 import android.view.KeyEvent;
 import android.view.View;
 import android.widget.TextView;
@@ -18,6 +14,11 @@
 import com.fanneng.android.web.demo.interactive.SlidingLayout;
 import com.fanneng.android.web.demo.interactive.WebLayout;
 import com.fanneng.android.web.progress.BaseIndicatorView;
+import com.google.android.material.appbar.AppBarLayout;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
 
 /**
  * describe：与Toolbar联动  需设置主题为AppTheme
diff --git a/app/src/main/java/com/fanneng/android/web/demo/VideoPlayActivity.java b/app/src/main/java/com/fanneng/android/web/demo/VideoPlayActivity.java
index 31c93f7..9003e35 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/VideoPlayActivity.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/VideoPlayActivity.java
@@ -4,13 +4,14 @@
 import android.content.Intent;
 import android.graphics.PixelFormat;
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 
 import com.tencent.smtt.sdk.WebChromeClient;
 import com.tencent.smtt.sdk.WebView;
 import com.tencent.smtt.sdk.WebViewClient;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 /**
  * describe：视频播放类
  *
diff --git a/app/src/main/java/com/fanneng/android/web/demo/interactive/BottomNavigationViewBehavior.java b/app/src/main/java/com/fanneng/android/web/demo/interactive/BottomNavigationViewBehavior.java
index 822da4b..4703ad2 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/interactive/BottomNavigationViewBehavior.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/interactive/BottomNavigationViewBehavior.java
@@ -1,12 +1,14 @@
 package com.fanneng.android.web.demo.interactive;
 
 import android.content.Context;
-import android.support.design.widget.AppBarLayout;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.v4.view.ViewCompat;
+
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.core.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.View;
 
+import com.google.android.material.appbar.AppBarLayout;
+
 /**
  * 与toolbar联动隐藏底部菜单
  */
diff --git a/app/src/main/java/com/fanneng/android/web/demo/interactive/CoolIndicatorLayout.java b/app/src/main/java/com/fanneng/android/web/demo/interactive/CoolIndicatorLayout.java
index cb1d158..188c50a 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/interactive/CoolIndicatorLayout.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/interactive/CoolIndicatorLayout.java
@@ -3,7 +3,6 @@
 import android.app.Activity;
 import android.content.Context;
 import android.os.Build;
-import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.FrameLayout;
@@ -12,6 +11,8 @@
 import com.fanneng.android.web.demo.R;
 import com.fanneng.android.web.progress.BaseIndicatorView;
 
+import androidx.annotation.Nullable;
+
 public class CoolIndicatorLayout extends BaseIndicatorView {
 
 
diff --git a/app/src/main/java/com/fanneng/android/web/demo/interactive/SlidingLayout.java b/app/src/main/java/com/fanneng/android/web/demo/interactive/SlidingLayout.java
index 81ed8bb..dfe71c1 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/interactive/SlidingLayout.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/interactive/SlidingLayout.java
@@ -3,8 +3,8 @@
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.os.Build;
-import android.support.v4.view.MotionEventCompat;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.MotionEventCompat;
+import androidx.core.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
diff --git a/app/src/main/java/com/fanneng/android/web/demo/interactive/WebLayout.java b/app/src/main/java/com/fanneng/android/web/demo/interactive/WebLayout.java
index 629a1d2..2a70c69 100755
--- a/app/src/main/java/com/fanneng/android/web/demo/interactive/WebLayout.java
+++ b/app/src/main/java/com/fanneng/android/web/demo/interactive/WebLayout.java
@@ -1,8 +1,6 @@
 package com.fanneng.android.web.demo.interactive;
 
 import android.app.Activity;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 
@@ -10,6 +8,9 @@
 import com.fanneng.android.web.demo.R;
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 
 public class WebLayout implements IWebLayout {
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index d516ee0..e5a8965 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context="com.fanneng.android.web.demo.MainActivity">
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                                                   xmlns:tools="http://schemas.android.com/tools"
+                                                   android:layout_width="match_parent"
+                                                   android:layout_height="match_parent"
+                                                   tools:context="com.fanneng.android.web.demo.MainActivity">
 
-    <android.support.v7.widget.RecyclerView
+    <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/mRecyclerView"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/activity_video.xml b/app/src/main/res/layout/activity_video.xml
index da80110..9c0f3cf 100755
--- a/app/src/main/res/layout/activity_video.xml
+++ b/app/src/main/res/layout/activity_video.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                                                   android:layout_width="match_parent"
+                                                   android:layout_height="match_parent">
 
     <com.tencent.smtt.sdk.WebView
         android:id="@+id/webView"
@@ -9,4 +9,4 @@
         android:layout_height="200dp"
         android:scrollbars="none" />
 
-</android.support.constraint.ConstraintLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_toolbar.xml b/app/src/main/res/layout/fragment_toolbar.xml
index 4c5a2fa..956e62b 100755
--- a/app/src/main/res/layout/fragment_toolbar.xml
+++ b/app/src/main/res/layout/fragment_toolbar.xml
@@ -1,21 +1,21 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <android.support.design.widget.AppBarLayout
+    <com.google.android.material.appbar.AppBarLayout
         android:layout_width="match_parent"
         android:layout_height="?attr/actionBarSize">
 
-        <android.support.v7.widget.Toolbar
+        <androidx.appcompat.widget.Toolbar
             android:id="@+id/toolbar"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             app:titleTextColor="@color/white"
             app:layout_scrollFlags="scroll|enterAlways" />
-    </android.support.design.widget.AppBarLayout>
+    </com.google.android.material.appbar.AppBarLayout>
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -62,4 +62,4 @@
             android:text="菜单"
             android:textColor="#fff" />
     </LinearLayout>
-</android.support.design.widget.CoordinatorLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
diff --git a/app/src/main/res/layout/toorbar_main.xml b/app/src/main/res/layout/toorbar_main.xml
index 27ee2b0..4abc991 100755
--- a/app/src/main/res/layout/toorbar_main.xml
+++ b/app/src/main/res/layout/toorbar_main.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v7.widget.Toolbar
+<androidx.appcompat.widget.Toolbar
     android:id="@+id/toolbar"
     android:layout_width="match_parent"
     android:layout_height="?android:actionBarSize"
@@ -55,5 +55,5 @@
     </RelativeLayout>
 
 
-</android.support.v7.widget.Toolbar>
+</androidx.appcompat.widget.Toolbar>
 
diff --git a/build.gradle b/build.gradle
index e6b32bc..6a1dd6a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.61"
         
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e3b6c4b..f3029a3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
diff --git a/superweb/build.gradle b/superweb/build.gradle
index 0c0e08b..43eae87 100644
--- a/superweb/build.gradle
+++ b/superweb/build.gradle
@@ -1,21 +1,25 @@
 apply plugin: 'com.android.library'
 apply plugin: 'maven'
 
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
 android {
-    compileSdkVersion 26
+    compileSdkVersion 28
 
 
 
     defaultConfig {
-        minSdkVersion 14
-        targetSdkVersion 26
+        minSdkVersion 21
+        targetSdkVersion 28
         versionCode 2
         versionName "1.0.2"
         //X5兼容64位手机
         ndk {
             abiFilters "armeabi", "armeabi-v7a", "x86", "mips"
         }
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -29,9 +33,17 @@ android {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    compile "com.android.support:support-v4:26.1.0"
-    compile "com.android.support:design:26.1.0"
-    compile files('libs/tbs_sdk_thirdapp_v3.6.0.1249_43610_sharewithdownload_withoutGame_obfs_20180608_114954.jar')
+    api "androidx.legacy:legacy-support-v4:1.0.0"
+    api "com.google.android.material:material:1.1.0-alpha02"
+    api files('libs/tbs_sdk_thirdapp_v3.6.0.1249_43610_sharewithdownload_withoutGame_obfs_20180608_114954.jar')
+    //For RxJava
+    api 'io.reactivex:rxandroid:1.2.1'
+    //For Retrofit
+    implementation 'com.squareup.retrofit2:retrofit:2.3.0'
+    implementation 'com.squareup.retrofit2:adapter-rxjava:2.3.0'
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.9.0'
+    implementation 'com.google.code.gson:gson:2.8.5'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.61"
 }
 
 //uploadArchives {
diff --git a/superweb/src/main/java/com/fanneng/android/web/IWebLayout.java b/superweb/src/main/java/com/fanneng/android/web/IWebLayout.java
index e4a663e..ae34e0b 100755
--- a/superweb/src/main/java/com/fanneng/android/web/IWebLayout.java
+++ b/superweb/src/main/java/com/fanneng/android/web/IWebLayout.java
@@ -1,11 +1,12 @@
 package com.fanneng.android.web;
 
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.view.ViewGroup;
 
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 /**
  * 下拉回弹效果
  */
diff --git a/superweb/src/main/java/com/fanneng/android/web/NestedScrollSuperWebView.java b/superweb/src/main/java/com/fanneng/android/web/NestedScrollSuperWebView.java
index f323fc4..8979949 100755
--- a/superweb/src/main/java/com/fanneng/android/web/NestedScrollSuperWebView.java
+++ b/superweb/src/main/java/com/fanneng/android/web/NestedScrollSuperWebView.java
@@ -1,10 +1,10 @@
 package com.fanneng.android.web;
 
 import android.content.Context;
-import android.support.v4.view.MotionEventCompat;
-import android.support.v4.view.NestedScrollingChild;
-import android.support.v4.view.NestedScrollingChildHelper;
-import android.support.v4.view.ViewCompat;
+import androidx.core.view.MotionEventCompat;
+import androidx.core.view.NestedScrollingChild;
+import androidx.core.view.NestedScrollingChildHelper;
+import androidx.core.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5.java b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5.java
index aa400d4..92ce360 100755
--- a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5.java
+++ b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5.java
@@ -2,12 +2,14 @@
 
 import android.app.Activity;
 import android.content.Intent;
-import android.support.annotation.ColorInt;
-import android.support.annotation.DrawableRes;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
-import android.support.v4.util.ArrayMap;
+
+import androidx.annotation.ColorInt;
+import androidx.annotation.DrawableRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.collection.ArrayMap;
+import androidx.fragment.app.Fragment;
+
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5Config.java b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5Config.java
index 2b9b419..3921910 100755
--- a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5Config.java
+++ b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5Config.java
@@ -3,13 +3,14 @@
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Build;
-import android.support.annotation.Nullable;
 
 import com.fanneng.android.web.utils.LogUtils;
 import com.tencent.smtt.sdk.CookieManager;
 import com.tencent.smtt.sdk.CookieSyncManager;
 import com.tencent.smtt.sdk.ValueCallback;
 
+import androidx.annotation.Nullable;
+
 
 /**
  * 配置类(设置/获取/清除cookies等操作)
diff --git a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5FileProvider.java b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5FileProvider.java
index 9f0c19e..ef33f00 100755
--- a/superweb/src/main/java/com/fanneng/android/web/SuperWebX5FileProvider.java
+++ b/superweb/src/main/java/com/fanneng/android/web/SuperWebX5FileProvider.java
@@ -1,6 +1,6 @@
 package com.fanneng.android.web;
 
-import android.support.v4.content.FileProvider;
+import androidx.core.content.FileProvider;
 
 
 /**
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/DefaultChromeClient.java b/superweb/src/main/java/com/fanneng/android/web/client/DefaultChromeClient.java
index d538853..dd82358 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/DefaultChromeClient.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/DefaultChromeClient.java
@@ -9,11 +9,6 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.RequiresApi;
-import android.support.design.widget.Snackbar;
-import android.support.v7.app.AlertDialog;
 import android.util.Log;
 import android.widget.EditText;
 
@@ -30,6 +25,7 @@
 import com.fanneng.android.web.utils.PermissionInterceptor;
 import com.fanneng.android.web.utils.LogUtils;
 import com.fanneng.android.web.utils.SuperWebX5Utils;
+import com.google.android.material.snackbar.Snackbar;
 import com.tencent.smtt.export.external.interfaces.ConsoleMessage;
 import com.tencent.smtt.export.external.interfaces.GeolocationPermissionsCallback;
 import com.tencent.smtt.export.external.interfaces.JsPromptResult;
@@ -42,6 +38,11 @@
 import java.lang.ref.WeakReference;
 import java.util.List;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.appcompat.app.AlertDialog;
+
 import static com.fanneng.android.web.file.ActionActivity.KEY_FROM_INTENTION;
 
 public class DefaultChromeClient extends MiddleWareWebChromeBase implements FileUploadPop<IFileUploadChooser> {
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebClient.java b/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebClient.java
index d2da2f5..dee5aae 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebClient.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebClient.java
@@ -11,7 +11,6 @@
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.AsyncTask;
-import android.support.v7.app.AlertDialog;
 import android.text.TextUtils;
 import android.view.KeyEvent;
 
@@ -33,6 +32,8 @@
 import java.net.URISyntaxException;
 import java.util.List;
 
+import androidx.appcompat.app.AlertDialog;
+
 import static android.content.ContentValues.TAG;
 
 /**
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebCreator.java b/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebCreator.java
index e4def5a..9989583 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebCreator.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/DefaultWebCreator.java
@@ -2,8 +2,6 @@
 
 import android.app.Activity;
 import android.graphics.Color;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
 import android.view.Gravity;
 import android.view.View;
 import android.view.ViewGroup;
@@ -19,6 +17,9 @@
 import com.fanneng.android.web.utils.SuperWebX5Utils;
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 
 public class DefaultWebCreator implements WebCreator {
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/WebChromeClientWrapper.java b/superweb/src/main/java/com/fanneng/android/web/client/WebChromeClientWrapper.java
index dc752ff..984f3bc 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/WebChromeClientWrapper.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/WebChromeClientWrapper.java
@@ -4,7 +4,6 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Message;
-import android.support.annotation.RequiresApi;
 import android.util.Log;
 import android.view.View;
 
@@ -21,6 +20,8 @@
 
 import java.lang.reflect.Method;
 
+import androidx.annotation.RequiresApi;
+
 public class WebChromeClientWrapper extends WebChromeClient {
     protected WebChromeClient mRealWebChromeClient;
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityCheckLogic.java b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityCheckLogic.java
index bc539c7..f9f7021 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityCheckLogic.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityCheckLogic.java
@@ -1,10 +1,11 @@
 package com.fanneng.android.web.client;
 
-import android.support.v4.util.ArrayMap;
 
 import com.fanneng.android.web.SuperWebX5;
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.collection.ArrayMap;
+
 
 public interface WebSecurityCheckLogic {
     void dealHoneyComb(WebView view);
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityControllerImpl.java b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityControllerImpl.java
index cada65f..5b300df 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityControllerImpl.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityControllerImpl.java
@@ -1,11 +1,12 @@
 package com.fanneng.android.web.client;
 
 import android.os.Build;
-import android.support.v4.util.ArrayMap;
 
 import com.fanneng.android.web.SuperWebX5;
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.collection.ArrayMap;
+
 
 public class WebSecurityControllerImpl implements WebSecurityController<WebSecurityCheckLogic> {
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityLogicImpl.java b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityLogicImpl.java
index 96513c3..521bbb4 100755
--- a/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityLogicImpl.java
+++ b/superweb/src/main/java/com/fanneng/android/web/client/WebSecurityLogicImpl.java
@@ -2,12 +2,13 @@
 
 import android.annotation.TargetApi;
 import android.os.Build;
-import android.support.v4.util.ArrayMap;
 
 import com.fanneng.android.web.SuperWebX5;
 import com.fanneng.android.web.SuperWebX5Config;
 import com.tencent.smtt.sdk.WebView;
 
+import androidx.collection.ArrayMap;
+
 
 public class WebSecurityLogicImpl implements WebSecurityCheckLogic {
     public static WebSecurityLogicImpl getInstance() {
diff --git a/superweb/src/main/java/com/fanneng/android/web/file/ActionActivity.java b/superweb/src/main/java/com/fanneng/android/web/file/ActionActivity.java
index ded40a7..175d6d8 100755
--- a/superweb/src/main/java/com/fanneng/android/web/file/ActionActivity.java
+++ b/superweb/src/main/java/com/fanneng/android/web/file/ActionActivity.java
@@ -7,9 +7,6 @@
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.support.annotation.RequiresApi;
 
 import com.fanneng.android.web.utils.LogUtils;
 import com.fanneng.android.web.utils.SuperWebX5Utils;
@@ -17,6 +14,10 @@
 import java.io.File;
 import java.util.Arrays;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+
 import static android.provider.MediaStore.EXTRA_OUTPUT;
 import static com.fanneng.android.web.file.ActionActivity.Action.ACTION_CAMERA;
 import static com.fanneng.android.web.file.FileUpLoadChooserImpl.REQUEST_CODE;
diff --git a/superweb/src/main/java/com/fanneng/android/web/file/DefaultDownLoaderImpl.java b/superweb/src/main/java/com/fanneng/android/web/file/DefaultDownLoaderImpl.java
index ac026bf..a8d67ff 100755
--- a/superweb/src/main/java/com/fanneng/android/web/file/DefaultDownLoaderImpl.java
+++ b/superweb/src/main/java/com/fanneng/android/web/file/DefaultDownLoaderImpl.java
@@ -8,9 +8,10 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AlertDialog;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 
 import com.fanneng.android.web.utils.DefaultMsgConfig;
diff --git a/superweb/src/main/java/com/fanneng/android/web/file/FileUpLoadChooserImpl.java b/superweb/src/main/java/com/fanneng/android/web/file/FileUpLoadChooserImpl.java
index a4b7087..5cbf698 100755
--- a/superweb/src/main/java/com/fanneng/android/web/file/FileUpLoadChooserImpl.java
+++ b/superweb/src/main/java/com/fanneng/android/web/file/FileUpLoadChooserImpl.java
@@ -8,9 +8,10 @@
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.annotation.NonNull;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AlertDialog;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
+import androidx.core.content.ContextCompat;
 import android.text.TextUtils;
 
 import com.fanneng.android.web.utils.DefaultMsgConfig;
diff --git a/superweb/src/main/java/com/fanneng/android/web/file/Notify.java b/superweb/src/main/java/com/fanneng/android/web/file/Notify.java
index f8b2715..f48b5eb 100755
--- a/superweb/src/main/java/com/fanneng/android/web/file/Notify.java
+++ b/superweb/src/main/java/com/fanneng/android/web/file/Notify.java
@@ -6,7 +6,7 @@
 import android.app.PendingIntent;
 import android.content.Context;
 import android.os.SystemClock;
-import android.support.v4.app.NotificationCompat;
+import androidx.core.app.NotificationCompat;
 
 public class Notify {
 
@@ -114,7 +114,8 @@ public boolean hasDeleteContent() {
 	}
 
 	public void setDelecte(PendingIntent intent) {
-		cBuilder.mNotification.deleteIntent = intent;
+//		cBuilder.mNotification.deleteIntent = intent;
+		cBuilder.build().deleteIntent = intent;
 	}
 
 	public void setProgressFinish(String content, PendingIntent pendingIntent) {
diff --git a/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolder.java b/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolder.java
index 26d0088..9815a50 100755
--- a/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolder.java
+++ b/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolder.java
@@ -1,6 +1,7 @@
 package com.fanneng.android.web.js;
 
-import android.support.v4.util.ArrayMap;
+
+import androidx.collection.ArrayMap;
 
 public interface JsInterfaceHolder {
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolderImpl.java b/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolderImpl.java
index ab34641..7f7a80b 100755
--- a/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolderImpl.java
+++ b/superweb/src/main/java/com/fanneng/android/web/js/JsInterfaceHolderImpl.java
@@ -1,6 +1,5 @@
 package com.fanneng.android.web.js;
 
-import android.support.v4.util.ArrayMap;
 import android.util.Log;
 
 import com.fanneng.android.web.SuperWebX5;
@@ -9,6 +8,8 @@
 import java.util.Map;
 import java.util.Set;
 
+import androidx.collection.ArrayMap;
+
 public class JsInterfaceHolderImpl extends JsBaseInterfaceHolder {
 
     public static JsInterfaceHolderImpl getJsInterfaceHolder(WebView webView, SuperWebX5.SecurityType securityType) {
diff --git a/superweb/src/main/java/com/fanneng/android/web/js/QuickCallJs.java b/superweb/src/main/java/com/fanneng/android/web/js/QuickCallJs.java
index 8396742..cad39b9 100755
--- a/superweb/src/main/java/com/fanneng/android/web/js/QuickCallJs.java
+++ b/superweb/src/main/java/com/fanneng/android/web/js/QuickCallJs.java
@@ -1,9 +1,10 @@
 package com.fanneng.android.web.js;
 
 import android.os.Build;
-import android.support.annotation.RequiresApi;
 import android.webkit.ValueCallback;
 
+import androidx.annotation.RequiresApi;
+
 public interface QuickCallJs {
     @RequiresApi(Build.VERSION_CODES.KITKAT)
     void quickCallJs(String method, ValueCallback<String> callback, String... params);
diff --git a/superweb/src/main/java/com/fanneng/android/web/net/DownloadApi.kt b/superweb/src/main/java/com/fanneng/android/web/net/DownloadApi.kt
new file mode 100644
index 0000000..dde9417
--- /dev/null
+++ b/superweb/src/main/java/com/fanneng/android/web/net/DownloadApi.kt
@@ -0,0 +1,20 @@
+package com.fanneng.android.web.net
+
+import okhttp3.ResponseBody
+import retrofit2.http.GET
+import retrofit2.http.Streaming
+import retrofit2.http.Url
+import rx.Observable
+
+/**
+ * 项目 ： SuperWeb
+ * 作者 ： Chuckifan
+ * 时间 ： 2019/1/8 17:36
+ * 内容 ：
+ */
+interface DownloadApi{
+
+    @GET
+    @Streaming
+    fun download(@Url url:String): Observable<ResponseBody>
+}
\ No newline at end of file
diff --git a/superweb/src/main/java/com/fanneng/android/web/progress/BaseIndicatorView.java b/superweb/src/main/java/com/fanneng/android/web/progress/BaseIndicatorView.java
index 695afc3..090a1a3 100755
--- a/superweb/src/main/java/com/fanneng/android/web/progress/BaseIndicatorView.java
+++ b/superweb/src/main/java/com/fanneng/android/web/progress/BaseIndicatorView.java
@@ -1,10 +1,11 @@
 package com.fanneng.android.web.progress;
 
 import android.content.Context;
-import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.widget.FrameLayout;
 
+import androidx.annotation.Nullable;
+
 /**
  * 进度条基类
  */
diff --git a/superweb/src/main/java/com/fanneng/android/web/progress/WebProgress.java b/superweb/src/main/java/com/fanneng/android/web/progress/WebProgress.java
index fcefebb..91e188c 100755
--- a/superweb/src/main/java/com/fanneng/android/web/progress/WebProgress.java
+++ b/superweb/src/main/java/com/fanneng/android/web/progress/WebProgress.java
@@ -7,7 +7,6 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
-import android.support.annotation.Nullable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.animation.LinearInterpolator;
@@ -16,6 +15,8 @@
 import com.fanneng.android.web.utils.LogUtils;
 import com.fanneng.android.web.utils.SuperWebX5Utils;
 
+import androidx.annotation.Nullable;
+
 
 public class WebProgress extends BaseIndicatorView implements BaseProgressSpec {
 
diff --git a/superweb/src/main/java/com/fanneng/android/web/utils/DocumentHelper.kt b/superweb/src/main/java/com/fanneng/android/web/utils/DocumentHelper.kt
new file mode 100644
index 0000000..2aacb42
--- /dev/null
+++ b/superweb/src/main/java/com/fanneng/android/web/utils/DocumentHelper.kt
@@ -0,0 +1,120 @@
+package com.fanneng.android.web.utils
+
+import android.util.Log
+import androidx.annotation.WorkerThread
+import com.fanneng.android.web.net.DownloadApi
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory
+import rx.Observable
+import rx.exceptions.Exceptions
+import rx.schedulers.Schedulers
+import java.io.File
+
+/**
+ * 项目 ： SuperWeb
+ * 作者 ： Chuckifan
+ * 时间 ： 2019/1/8 17:34
+ * 内容 ：
+ */
+class DocumentHelper {
+    private val retrofit: Retrofit
+    private val api: DownloadApi
+
+    init {
+        retrofit = Retrofit.Builder()
+                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
+                .client(createClient())
+                .baseUrl("http://www.baidu.com/")
+                .build()
+
+        api = retrofit.create(DownloadApi::class.java)
+
+
+    }
+
+    @WorkerThread
+    fun loadDocument(url: String, parentPath: String, fileName: String) = Observable
+            .just(url)
+            .concatMap {
+                val cachePath = loadDocumentFromCache(parentPath + fileName)
+                if (null != cachePath) {
+                    Observable.just(cachePath)
+                } else {
+                    downloadFile(url, parentPath, fileName)
+                }
+            }
+
+    private fun loadDocumentFromCache(filePath: String): String? {
+        val file = File(filePath)
+
+        return if (file.isFile && file.exists()) {
+            file.absolutePath
+        } else {
+            null
+        }
+
+
+    }
+
+    private fun downloadFile(url: String, parentPath: String, fileName: String) =
+            api.download(url)
+                    .subscribeOn(Schedulers.io())
+                    .observeOn(Schedulers.io())
+                    .concatMap {
+                        val file = saveFile(it.bytes(), parentPath, fileName)
+                        file ?: Exceptions.propagate(NullPointerException("save file failed"))
+                        Observable.just(file!!.absolutePath)
+
+                    }
+
+    private fun saveFile(bytes: ByteArray?, parentPath: String, fileName: String): File? {
+        return try {
+            bytes ?: throw NullPointerException("bytes should not be null")
+
+            if (!parentPath.endsWith("/")) throw IllegalArgumentException("parentPath should end with '/'. ")
+
+            val parentDir = File(parentPath)
+
+            if (!parentDir.exists()) parentDir.mkdir()
+
+
+            val file = File(parentPath + fileName)
+            if (file.exists())file.delete()
+            file.createNewFile()
+            if (!file.isFile) throw IllegalArgumentException("Illegal parentPath or fileName")
+            if (!file.canRead() || !file.canWrite()) throw IllegalArgumentException("No permission.")
+
+            file.writeBytes(bytes)
+            file
+        } catch (e: Exception) {
+            Log.e(TAG, "save file failed: ${e.message}")
+            e.printStackTrace()
+            null
+        }
+
+    }
+
+
+    private fun createClient(): OkHttpClient {
+        val logInterceptor = HttpLoggingInterceptor()
+        logInterceptor.level = HttpLoggingInterceptor.Level.BODY
+        return OkHttpClient.Builder().addInterceptor(logInterceptor)
+                .build()
+    }
+
+
+    companion object {
+        private const val TAG = "DocumentHelper"
+        private var instance: DocumentHelper? = null
+
+        @Synchronized
+        fun get(): DocumentHelper {
+            if (null == instance) {
+                instance = DocumentHelper()
+            }
+            return instance!!
+        }
+    }
+}
\ No newline at end of file
diff --git a/superweb/src/main/java/com/fanneng/android/web/utils/SuperWebX5Utils.java b/superweb/src/main/java/com/fanneng/android/web/utils/SuperWebX5Utils.java
index d5a3468..e5010c8 100755
--- a/superweb/src/main/java/com/fanneng/android/web/utils/SuperWebX5Utils.java
+++ b/superweb/src/main/java/com/fanneng/android/web/utils/SuperWebX5Utils.java
@@ -18,12 +18,13 @@
 import android.os.StatFs;
 import android.provider.DocumentsContract;
 import android.provider.MediaStore;
-import android.support.annotation.ColorInt;
-import android.support.design.widget.Snackbar;
-import android.support.v4.content.ContextCompat;
-import android.support.v4.content.CursorLoader;
-import android.support.v4.content.FileProvider;
-import android.support.v4.os.EnvironmentCompat;
+
+import androidx.annotation.ColorInt;
+import androidx.core.content.ContextCompat;
+import androidx.core.content.FileProvider;
+import androidx.core.os.EnvironmentCompat;
+import androidx.loader.content.CursorLoader;
+
 import android.telephony.TelephonyManager;
 import android.text.SpannableString;
 import android.text.Spanned;
@@ -37,6 +38,7 @@
 
 import com.fanneng.android.web.SuperWebX5Config;
 import com.fanneng.android.web.file.FileParcel;
+import com.google.android.material.snackbar.Snackbar;
 import com.tencent.smtt.sdk.WebView;
 
 import org.json.JSONArray;
diff --git a/superweb/src/main/res/xml/web_download_paths.xml b/superweb/src/main/res/xml/web_download_paths.xml
index 6017b36..9c759e5 100755
--- a/superweb/src/main/res/xml/web_download_paths.xml
+++ b/superweb/src/main/res/xml/web_download_paths.xml
@@ -2,5 +2,6 @@
 <paths>
 
     <external-cache-path name="cache_download" path="download"/>
+    <external-cache-path name="cache_document" path="document"/>
     <external-path path="." name="web_download" />
 </paths>
\ No newline at end of file