Fixed some warnings from lint, make ctro of Utils to private, use support-lib methods to get display-metrics

.gitignore

@@ -7,3 +7,19 @@
 /build
 /captures
 .externalNativeBuild
+
+
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+*.properties
+.idea/
+gradle/*.*
+gradle/
+gradle*
+!gradle.properties

app/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 25
+    buildToolsVersion "25.0.1"
     defaultConfig {
         applicationId "com.weavey.loadinglayout"
         minSdkVersion 15
-        targetSdkVersion 21
+        targetSdkVersion 25
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.define_loading_page.runner.AndroidJUnitRunner"
@@ -24,7 +24,7 @@ dependencies {
 //    androidTestCompile('com.android.support.define_loading_page.espresso:espresso-core:2.2.2', {
 //        exclude group: 'com.android.support', module: 'support-annotations'
 //    })
-    compile 'com.android.support:appcompat-v7:23.2.1'
+    compile 'com.android.support:appcompat-v7:25.0.1'
     testCompile 'junit:junit:4.12'
     compile project(':loadinglib')
 }

build.gradle

@@ -4,7 +4,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:2.3.0-alpha2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files