Update gradle & android sdk
diff --git a/MPChartExample/AndroidManifest.xml b/MPChartExample/AndroidManifest.xml
index ab730cd..2a0d4d3 100644
--- a/MPChartExample/AndroidManifest.xml
+++ b/MPChartExample/AndroidManifest.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.xxmassdeveloper.mpchartexample"
-    android:versionCode="52"
+    android:versionCode="53"
     android:versionName="3.0.0" >
 
     <uses-sdk
         android:minSdkVersion="16"
-        android:targetSdkVersion="23" />
+        android:targetSdkVersion="24" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
 
     <application
diff --git a/MPChartExample/build.gradle b/MPChartExample/build.gradle
index 8451358..f02c69b 100644
--- a/MPChartExample/build.gradle
+++ b/MPChartExample/build.gradle
@@ -2,12 +2,12 @@
 apply plugin: 'realm-android'
 
 android {
-    compileSdkVersion 23
+    compileSdkVersion 24
     buildToolsVersion '23.0.3'
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 23
-        versionCode 52
+        targetSdkVersion 24
+        versionCode 53
         versionName '3.0.0'
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
@@ -39,7 +39,7 @@
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.0'
+        classpath 'com.android.tools.build:gradle:2.2.1'
         //classpath 'io.realm:realm-gradle-plugin:0.88.2'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -59,7 +59,7 @@
     compile 'com.github.PhilJay:MPAndroidChart-Realm:v1.1.0@aar'
 
     compile project(':MPChartLib')
-    compile 'com.android.support:appcompat-v7:23.1.1'
+    compile 'com.android.support:appcompat-v7:24.2.1'
     //compile 'io.realm:realm-android:0.87.5' // dependency for realm-database API (http://realm.io)
     //compile 'com.github.PhilJay:MPAndroidChart:v2.2.5'
 }
diff --git a/MPChartLib/build.gradle b/MPChartLib/build.gradle
index b3e89b8..9bbffe9 100644
--- a/MPChartLib/build.gradle
+++ b/MPChartLib/build.gradle
@@ -4,12 +4,12 @@
 //apply plugin: 'realm-android'
 
 android {
-    compileSdkVersion 23
+    compileSdkVersion 24
     buildToolsVersion '23.0.3'
     // resourcePrefix 'mpcht'
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion 23
+        targetSdkVersion 24
         versionCode 3
         versionName '3.0.0'
     }
diff --git a/build.gradle b/build.gradle
index 8e5194d..616c6eb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@
     }
     dependencies {
         classpath "io.realm:realm-gradle-plugin:1.1.0"
-        classpath 'com.android.tools.build:gradle:2.2.0'
+        classpath 'com.android.tools.build:gradle:2.2.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
     }
 }