Add display metrics util

Author: hitherejoe

lib/build.gradle

@@ -31,7 +31,7 @@ publish {
     userOrg = 'buffer'
     groupId = 'org.buffer.android'
     artifactId = 'android-utils'
-    publishVersion = '0.4'
+    publishVersion = '0.5'
     desc = 'An Android library for frequently used utility functions'
     website = 'https://github.com/bufferapp/android-utils'
 }

lib/src/main/java/org/buffer/android/utils/DisplayMetricsUtil.kt

@@ -0,0 +1,17 @@
+package org.buffer.android.utils
+
+import android.content.res.Resources
+import kotlin.math.roundToInt
+
+object DisplayMetricsUtil {
+
+    fun dpToPx(dp: Int): Int {
+        val density = Resources.getSystem().displayMetrics.density
+        return (dp * density).roundToInt()
+    }
+
+    fun dpToPx(dp: Float): Int {
+        val density = Resources.getSystem().displayMetrics.density
+        return (dp * density).roundToInt()
+    }
+}

lib/src/main/res/values/strings.xml

@@ -1,5 +1,3 @@
 <resources>
-    <string name="app_name">Android Utils</string>
-
     <string name="error_message_internet_connect">The internet connection appears to be offline.</string>
 </resources>