Update build.gradle

Author: dongjunkun

app/build.gradle

@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion "24.0.2"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.2"
 
     defaultConfig {
         applicationId "com.yyy.djk.dropdownmenu"
         minSdkVersion 14
-        targetSdkVersion 24
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:24.2.1'
+    compile 'com.android.support:appcompat-v7:25.3.1'
     compile 'com.jakewharton:butterknife:6.1.0'
     compile project(':library')
 }