diff --git a/BaiduLocationSample/app/src/main/AndroidManifest.xml b/BaiduLocationSample/app/src/main/AndroidManifest.xml
index c231466..a612a56 100644
--- a/BaiduLocationSample/app/src/main/AndroidManifest.xml
+++ b/BaiduLocationSample/app/src/main/AndroidManifest.xml
@@ -2,6 +2,25 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.ethanco.baidulocationsample">
 
+    <!-- 这个权限用于进行网络定位-->
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
+    <!-- 这个权限用于访问GPS定位-->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
+    <!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位-->
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
+    <!-- 获取运营商信息，用于支持提供运营商信息相关的接口-->
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
+    <!-- 这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位-->
+    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
+    <!-- 用于读取手机当前的状态-->
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
+    <!-- 写入扩展存储，向扩展卡写入数据，用于写入离线定位数据-->
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
+    <!-- 访问网络，网络定位需要上网-->
+    <uses-permission android:name="android.permission.INTERNET" />
+    <!-- SD卡读取权限，用户写入离线定位数据-->
+    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission>
+
     <application
         android:name=".App"
         android:allowBackup="true"
diff --git a/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/App.java b/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/App.java
index bb2cd3a..7f4de6e 100644
--- a/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/App.java
+++ b/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/App.java
@@ -3,8 +3,6 @@
 
 import android.app.Application;
 
-import com.ethanco.lib.baidu.BaiduFacede;
-
 /**
  * Application
  *
@@ -17,7 +15,5 @@ public class App extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
-
-        BaiduFacede.init(this);
     }
 }
diff --git a/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/MainActivity.java b/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/MainActivity.java
index 908db95..c491e62 100644
--- a/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/MainActivity.java
+++ b/BaiduLocationSample/app/src/main/java/com/ethanco/baidulocationsample/MainActivity.java
@@ -1,8 +1,14 @@
 package com.ethanco.baidulocationsample;
 
+import android.Manifest;
+import android.annotation.TargetApi;
+import android.content.pm.PackageManager;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
+import android.view.View;
+import android.widget.Button;
 import android.widget.TextView;
 
 import com.baidu.location.BDLocation;
@@ -10,19 +16,84 @@
 import com.ethanco.lib.baidu.BaiduFacede;
 import com.ethanco.lib.baidu.ILocationListener;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class MainActivity extends AppCompatActivity implements ILocationListener {
+    private static final int SDK_PERMISSION_REQUEST = 111233;
     private TextView tvInfo;
     public static final String TAG = "Z-MainActivity";
+    private String permissionInfo = "";
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        Button btnLocation = (Button) findViewById(R.id.btn_location);
+        getPersimmions();
         tvInfo = (TextView) findViewById(R.id.tv_info);
 
-        BaiduFacede.addLocationListener(this);
+        btnLocation.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                BaiduFacede.init(getApplication());
+                BaiduFacede.addLocationListener(MainActivity.this);
+            }
+        });
+    }
+
+    @TargetApi(23)
+    private void getPersimmions() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            ArrayList<String> permissions = new ArrayList<String>();
+            /***
+             * 定位权限为必须权限，用户如果禁止，则每次进入都会申请
+             */
+            // 定位精确位置
+            if(checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED){
+                permissions.add(Manifest.permission.ACCESS_FINE_LOCATION);
+            }
+            if(checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED){
+                permissions.add(Manifest.permission.ACCESS_COARSE_LOCATION);
+            }
+			/*
+			 * 读写权限和电话状态权限非必要权限(建议授予)只会申请一次，用户同意或者禁止，只会弹一次
+			 */
+            // 读写权限
+            if (addPermission(permissions, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+                permissionInfo += "Manifest.permission.WRITE_EXTERNAL_STORAGE Deny \n";
+            }
+            // 读取电话状态权限
+            if (addPermission(permissions, Manifest.permission.READ_PHONE_STATE)) {
+                permissionInfo += "Manifest.permission.READ_PHONE_STATE Deny \n";
+            }
+
+            if (permissions.size() > 0) {
+                requestPermissions(permissions.toArray(new String[permissions.size()]), SDK_PERMISSION_REQUEST);
+            }
+        }
+    }
+
+    @TargetApi(23)
+    private boolean addPermission(ArrayList<String> permissionsList, String permission) {
+        if (checkSelfPermission(permission) != PackageManager.PERMISSION_GRANTED) { // 如果应用没有获得对应权限,则添加到列表中,准备批量申请
+            if (shouldShowRequestPermissionRationale(permission)){
+                return true;
+            }else{
+                permissionsList.add(permission);
+                return false;
+            }
+
+        }else{
+            return true;
+        }
+    }
+
+    @TargetApi(23)
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        // EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);
     }
 
     @Override
@@ -44,7 +115,6 @@ public String generateLocationInfoV2(BDLocation location){
              * 时间也可以使用systemClock.elapsedRealtime()方法 获取的是自从开机以来，每次回调的时间；
              * location.getTime() 是指服务端出本次结果的时间，如果位置不发生变化，则时间不变
              */
-
             sb.append(location.getTime());
             sb.append("\nlocationID : ");// LocationID
             sb.append(location.getLocationID());
diff --git a/BaiduLocationSample/app/src/main/res/layout/activity_main.xml b/BaiduLocationSample/app/src/main/res/layout/activity_main.xml
index 9b7af1f..10ae31a 100644
--- a/BaiduLocationSample/app/src/main/res/layout/activity_main.xml
+++ b/BaiduLocationSample/app/src/main/res/layout/activity_main.xml
@@ -4,6 +4,12 @@
     android:orientation="vertical"
     android:layout_height="match_parent">
 
+    <Button
+        android:id="@+id/btn_location"
+        android:text="定位"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
     <TextView
         android:textIsSelectable="true"
         android:id="@+id/tv_info"
diff --git a/PettyTest2018/ArchitectureTest/.idea/misc.xml b/PettyTest2018/ArchitectureTest/.idea/misc.xml
index 3e7e7d4..e38ca84 100644
--- a/PettyTest2018/ArchitectureTest/.idea/misc.xml
+++ b/PettyTest2018/ArchitectureTest/.idea/misc.xml
@@ -111,6 +111,9 @@
   <component name="ProjectType">
     <option name="id" value="Android" />
   </component>
+  <component name="SvnConfiguration">
+    <configuration>C:\Users\fengh\AppData\Roaming\Subversion</configuration>
+  </component>
   <component name="masterDetails">
     <states>
       <state key="ProjectJDKs.UI">
diff --git a/PettyTest2018/ArchitectureTest/.idea/vcs.xml b/PettyTest2018/ArchitectureTest/.idea/vcs.xml
deleted file mode 100644
index b2bdec2..0000000
--- a/PettyTest2018/ArchitectureTest/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$/../.." vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/PettyTest2018/ArchitectureTest/app/build.gradle b/PettyTest2018/ArchitectureTest/app/build.gradle
index 35f29d4..a5dafd1 100644
--- a/PettyTest2018/ArchitectureTest/app/build.gradle
+++ b/PettyTest2018/ArchitectureTest/app/build.gradle
@@ -6,8 +6,8 @@ android {
         applicationId "com.heiko.architecturetest"
         minSdkVersion 17
         targetSdkVersion 26
-        versionCode 1
-        versionName "1.0"
+        versionCode 2
+        versionName "1.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
diff --git a/PettyTest2018/KotlinKtx/.gitignore b/PettyTest2018/KotlinKtx/.gitignore
new file mode 100644
index 0000000..39fb081
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.gitignore
@@ -0,0 +1,9 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
diff --git a/PettyTest2018/KotlinKtx/.idea/encodings.xml b/PettyTest2018/KotlinKtx/.idea/encodings.xml
new file mode 100644
index 0000000..97626ba
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/.idea/gradle.xml b/PettyTest2018/KotlinKtx/.idea/gradle.xml
new file mode 100644
index 0000000..7ac24c7
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.idea/gradle.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/.idea/misc.xml b/PettyTest2018/KotlinKtx/.idea/misc.xml
new file mode 100644
index 0000000..f2d36db
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.idea/misc.xml
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownProjectSettings">
+    <PreviewSettings splitEditorLayout="SPLIT" splitEditorPreview="PREVIEW" useGrayscaleRendering="false" zoomFactor="1.0" maxImageWidth="0" showGitHubPageIfSynced="false" allowBrowsingInPreview="false" synchronizePreviewPosition="true" highlightPreviewType="LINE" highlightFadeOut="5" highlightOnTyping="true" synchronizeSourcePosition="true">
+      <PanelProvider>
+        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.panel" providerName="Default - Swing" />
+      </PanelProvider>
+    </PreviewSettings>
+    <ParserSettings>
+      <PegdownExtensions>
+        <option name="ABBREVIATIONS" value="false" />
+        <option name="ANCHORLINKS" value="true" />
+        <option name="ATXHEADERSPACE" value="true" />
+        <option name="AUTOLINKS" value="true" />
+        <option name="DEFINITIONS" value="false" />
+        <option name="FENCED_CODE_BLOCKS" value="true" />
+        <option name="FOOTNOTES" value="false" />
+        <option name="HARDWRAPS" value="false" />
+        <option name="INSERTED" value="false" />
+        <option name="QUOTES" value="false" />
+        <option name="RELAXEDHRULES" value="true" />
+        <option name="SMARTS" value="false" />
+        <option name="STRIKETHROUGH" value="true" />
+        <option name="SUBSCRIPT" value="false" />
+        <option name="SUPERSCRIPT" value="false" />
+        <option name="SUPPRESS_HTML_BLOCKS" value="false" />
+        <option name="SUPPRESS_INLINE_HTML" value="false" />
+        <option name="TABLES" value="true" />
+        <option name="TASKLISTITEMS" value="true" />
+        <option name="TOC" value="false" />
+        <option name="WIKILINKS" value="true" />
+      </PegdownExtensions>
+      <ParserOptions>
+        <option name="COMMONMARK_LISTS" value="false" />
+        <option name="DUMMY" value="false" />
+        <option name="EMOJI_SHORTCUTS" value="true" />
+        <option name="FLEXMARK_FRONT_MATTER" value="false" />
+        <option name="GFM_TABLE_RENDERING" value="true" />
+        <option name="GITBOOK_URL_ENCODING" value="false" />
+        <option name="GITHUB_EMOJI_URL" value="false" />
+        <option name="GITHUB_LISTS" value="true" />
+        <option name="GITHUB_WIKI_LINKS" value="true" />
+        <option name="JEKYLL_FRONT_MATTER" value="false" />
+        <option name="SIM_TOC_BLANK_LINE_SPACER" value="true" />
+      </ParserOptions>
+    </ParserSettings>
+    <HtmlSettings headerTopEnabled="false" headerBottomEnabled="false" bodyTopEnabled="false" bodyBottomEnabled="false" embedUrlContent="false" addPageHeader="true">
+      <GeneratorProvider>
+        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.generator" providerName="Default Swing HTML Generator" />
+      </GeneratorProvider>
+      <headerTop />
+      <headerBottom />
+      <bodyTop />
+      <bodyBottom />
+    </HtmlSettings>
+    <CssSettings previewScheme="UI_SCHEME" cssUri="" isCssUriEnabled="false" isCssTextEnabled="false" isDynamicPageWidth="true">
+      <StylesheetProvider>
+        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.css" providerName="Default Swing Stylesheet" />
+      </StylesheetProvider>
+      <ScriptProviders />
+      <cssText />
+    </CssSettings>
+    <HtmlExportSettings updateOnSave="false" parentDir="$ProjectFileDir$" targetDir="$ProjectFileDir$" cssDir="" scriptDir="" plainHtml="false" imageDir="" copyLinkedImages="false" imageUniquifyType="0" targetExt="" useTargetExt="false" noCssNoScripts="false" linkToExportedHtml="true" exportOnSettingsChange="true" regenerateOnProjectOpen="false" />
+    <LinkMapSettings>
+      <textMaps />
+    </LinkMapSettings>
+  </component>
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
+  <component name="ProjectInspectionProfilesVisibleTreeState">
+    <entry key="Project Default">
+      <profile-state>
+        <expanded-state>
+          <State>
+            <id />
+          </State>
+        </expanded-state>
+        <selected-state>
+          <State>
+            <id>Android</id>
+          </State>
+        </selected-state>
+      </profile-state>
+    </entry>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ProjectJDKs.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/.idea/modules.xml b/PettyTest2018/KotlinKtx/.idea/modules.xml
new file mode 100644
index 0000000..0b82484
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.idea/modules.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/KotlinKtx.iml" filepath="$PROJECT_DIR$/KotlinKtx.iml" />
+      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/.idea/runConfigurations.xml b/PettyTest2018/KotlinKtx/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/app/.gitignore b/PettyTest2018/KotlinKtx/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/PettyTest2018/KotlinKtx/app/build.gradle b/PettyTest2018/KotlinKtx/app/build.gradle
new file mode 100644
index 0000000..4a0e836
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/build.gradle
@@ -0,0 +1,39 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "com.heiko.kotlinktx"
+        minSdkVersion 19
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    sourceSets {
+        main.java.srcDirs += 'src/main/kotlin'
+    }
+}
+
+kapt {
+    generateStubs = true
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:0.2'
+}
diff --git a/PettyTest2018/KotlinKtx/app/proguard-rules.pro b/PettyTest2018/KotlinKtx/app/proguard-rules.pro
new file mode 100644
index 0000000..f1b4245
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/PettyTest2018/KotlinKtx/app/src/androidTest/java/com/heiko/kotlinktx/ExampleInstrumentedTest.java b/PettyTest2018/KotlinKtx/app/src/androidTest/java/com/heiko/kotlinktx/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..0d23ec4
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/androidTest/java/com/heiko/kotlinktx/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.heiko.kotlinktx;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.heiko.kotlinktx", appContext.getPackageName());
+    }
+}
diff --git a/PettyTest2018/KotlinKtx/app/src/main/AndroidManifest.xml b/PettyTest2018/KotlinKtx/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..4d0be11
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.heiko.kotlinktx">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/JavaActivity.java b/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/JavaActivity.java
new file mode 100644
index 0000000..8749644
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/JavaActivity.java
@@ -0,0 +1,17 @@
+package com.heiko.kotlinktx;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+
+/**
+ * @author EthanCo
+ * @since 2018/3/12
+ */
+public class JavaActivity extends AppCompatActivity {
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}
diff --git a/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/MainActivity.kt b/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/MainActivity.kt
new file mode 100644
index 0000000..2ce8aae
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/java/com/heiko/kotlinktx/MainActivity.kt
@@ -0,0 +1,62 @@
+package com.heiko.kotlinktx
+
+import android.content.Context
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import androidx.content.edit
+import androidx.net.toUri
+import androidx.view.doOnPreDraw
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        //1.
+        val myUriString = "http://www.baidu.com"
+        //val uri = Uri.parse("myUriString")
+        //KTX
+        val uri = myUriString.toUri()
+
+        //2.
+        val sharedPreferences = getSharedPreferences("Test", Context.MODE_PRIVATE)
+        /*sharedPreferences.edit()
+                .putBoolean("key", true)
+                .apply()*/
+        //KTX
+        sharedPreferences.edit {
+            putBoolean("key", true)
+        }
+
+        //3.
+        /*val myPath1 = Path()
+        val myPath2 = Path()
+        val pathDifference = Path(myPath1).apply {
+            op(myPath2, Path.Op.DIFFERENCE)
+        }
+
+        //KTX
+        canvas.apply {
+            val checkpoint = save()
+            translate(0F, 100F)
+            drawPath(pathDifference, myPaint)
+            restoreToCount(checkpoint)
+        }*/
+
+        //4.
+        /*val viewTreeObserver = window.decorView.viewTreeObserver
+        viewTreeObserver.addOnPreDrawListener(
+                object : ViewTreeObserver.OnPreDrawListener {
+                    override fun onPreDraw(): Boolean {
+                        viewTreeObserver.removeOnPreDrawListener(this)
+                        //actionToBeTriggered()
+                        return true
+                    }
+                })*/
+
+        window.decorView.doOnPreDraw {
+            //actionToBeTriggered()
+        }
+    }
+}
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/PettyTest2018/KotlinKtx/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..c7bd21d
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/drawable/ic_launcher_background.xml b/PettyTest2018/KotlinKtx/app/src/main/res/drawable/ic_launcher_background.xml
new file mode 100644
index 0000000..d5fccc5
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillColor="#26A69A"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeColor="#33FFFFFF"
+        android:strokeWidth="0.8" />
+</vector>
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/layout/activity_main.xml b/PettyTest2018/KotlinKtx/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..a2160ac
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.heiko.kotlinktx.MainActivity">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Hello Kotlin!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</android.support.constraint.ConstraintLayout>
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..eca70cf
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a2f5908
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..1b52399
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..ff10afd
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..115a4c7
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..dcd3cd8
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..459ca60
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..8ca12fe
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..8e19b41
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..b824ebd
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..4c19a13
Binary files /dev/null and b/PettyTest2018/KotlinKtx/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/values/colors.xml b/PettyTest2018/KotlinKtx/app/src/main/res/values/colors.xml
new file mode 100644
index 0000000..3ab3e9c
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/values/strings.xml b/PettyTest2018/KotlinKtx/app/src/main/res/values/strings.xml
new file mode 100644
index 0000000..dfc42b4
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/values/strings.xml
@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">KotlinKtx</string>
+</resources>
diff --git a/PettyTest2018/KotlinKtx/app/src/main/res/values/styles.xml b/PettyTest2018/KotlinKtx/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..5885930
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/main/res/values/styles.xml
@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>
diff --git a/PettyTest2018/KotlinKtx/app/src/test/java/com/heiko/kotlinktx/ExampleUnitTest.java b/PettyTest2018/KotlinKtx/app/src/test/java/com/heiko/kotlinktx/ExampleUnitTest.java
new file mode 100644
index 0000000..fc4cf78
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/app/src/test/java/com/heiko/kotlinktx/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.heiko.kotlinktx;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/PettyTest2018/KotlinKtx/build.gradle b/PettyTest2018/KotlinKtx/build.gradle
new file mode 100644
index 0000000..b6ccf9b
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/build.gradle
@@ -0,0 +1,29 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.1.3-2'
+    ext.android_plugin_version = '2.3.0'
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/PettyTest2018/KotlinKtx/gradle.properties b/PettyTest2018/KotlinKtx/gradle.properties
new file mode 100644
index 0000000..aac7c9b
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/gradle.properties
@@ -0,0 +1,17 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
diff --git a/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.jar b/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..13372ae
Binary files /dev/null and b/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.properties b/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..ad264b1
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Mar 12 12:50:22 CST 2018
+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
diff --git a/PettyTest2018/KotlinKtx/gradlew b/PettyTest2018/KotlinKtx/gradlew
new file mode 100644
index 0000000..9d82f78
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/gradlew
@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/PettyTest2018/KotlinKtx/gradlew.bat b/PettyTest2018/KotlinKtx/gradlew.bat
new file mode 100644
index 0000000..8a0b282
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/PettyTest2018/KotlinKtx/settings.gradle b/PettyTest2018/KotlinKtx/settings.gradle
new file mode 100644
index 0000000..e7b4def
--- /dev/null
+++ b/PettyTest2018/KotlinKtx/settings.gradle
@@ -0,0 +1 @@
+include ':app'
diff --git a/PettyTest2018/MultiTextColorTest/app/src/main/java/com/heiko/multitextcolortest/MainActivity.java b/PettyTest2018/MultiTextColorTest/app/src/main/java/com/heiko/multitextcolortest/MainActivity.java
index 661c0b0..76668e0 100644
--- a/PettyTest2018/MultiTextColorTest/app/src/main/java/com/heiko/multitextcolortest/MainActivity.java
+++ b/PettyTest2018/MultiTextColorTest/app/src/main/java/com/heiko/multitextcolortest/MainActivity.java
@@ -3,11 +3,13 @@
 import android.graphics.Color;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
+import android.view.View;
 
 import loic.teillard.colortextview.ColorTextView;
 
 public class MainActivity extends AppCompatActivity {
     private ColorTextView tvColor;
+    private View tvColor2;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -15,6 +17,8 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
 
         tvColor = (ColorTextView)findViewById(R.id.tv_color);
+        tvColor2 = findViewById(R.id.tv_color2);
+
         tvColor.addTextColor("温度", Color.parseColor("#000000"));
         tvColor.addTextColor("15°",Color.parseColor("#FF4081"));
         tvColor.addTextColor(" 湿度",Color.parseColor("#000000"));
@@ -22,6 +26,7 @@ protected void onCreate(Bundle savedInstanceState) {
         tvColor.setSpaces(true);
         tvColor.apply();
 
+
         /*tvColor.addTextColor("Hello", Color.parseColor("#5D4037"));
         tvColor.addTextColor("world !", Color.parseColor("#F4511E"));
         tvColor.setSpaces(true);
diff --git a/PettyTest2018/MultiTextColorTest/app/src/main/res/layout/activity_main.xml b/PettyTest2018/MultiTextColorTest/app/src/main/res/layout/activity_main.xml
index b34e5e5..8e42967 100644
--- a/PettyTest2018/MultiTextColorTest/app/src/main/res/layout/activity_main.xml
+++ b/PettyTest2018/MultiTextColorTest/app/src/main/res/layout/activity_main.xml
@@ -1,15 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context="com.heiko.multitextcolortest.MainActivity">
 
     <loic.teillard.colortextview.ColorTextView
         android:id="@+id/tv_color"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        />
+        android:layout_height="wrap_content" />
 
-</android.support.constraint.ConstraintLayout>
+    <loic.teillard.colortextview.ColorTextView
+        android:id="@+id/tv_color2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>