fix bug

Author: gavinliu

Library/src/main/java/cn/gavinliu/android/lib/scale/helper/ScaleLayoutHelper.java

@@ -191,13 +191,13 @@ public static ScaleLayoutInfo getScaleLayoutInfo(Context context, AttributeSet a
             info.bottomPadding = value;
         }
 
-        value = array.getDimensionPixelSize(R.styleable.ScaleLayout_layout_design_width, 0);
+        value = array.getInteger(R.styleable.ScaleLayout_layout_design_width, 0);
         if (value != 0) {
             info = info != null ? info : new ScaleLayoutInfo(context);
             info.designWidth = value;
         }
 
-        value = array.getDimensionPixelSize(R.styleable.ScaleLayout_layout_design_height, 0);
+        value = array.getInteger(R.styleable.ScaleLayout_layout_design_height, 0);
         if (value != 0) {
             info = info != null ? info : new ScaleLayoutInfo(context);
             info.designHeight = value;

Library/src/main/res/values/attrs.xml

@@ -7,8 +7,8 @@
             <enum name="height" value="1" />
         </attr>
 
-        <attr name="layout_design_width" format="dimension" />
-        <attr name="layout_design_height" format="dimension" />
+        <attr name="layout_design_width" format="integer" />
+        <attr name="layout_design_height" format="integer" />
         <attr name="layout_design_density" format="integer" />
 
         <attr name="layout_width" format="dimension" />

README.md

@@ -57,12 +57,12 @@ float realPixel = (mScreenWidth * designDensity * getPixelSize()) / (designScree
         </attr>
 
         <!-- 设计图的相关属性：必须写在 Scale*Layout 中 -->
-        <attr name="layout_design_width" format="dimension" />
-        <attr name="layout_design_height" format="dimension" />
-        <attr name="layout_design_density" format="integer" />
+        <attr name="layout_design_width" format="integer" /> <!-- eg：1080 -->
+        <attr name="layout_design_height" format="integer" /> <!-- eg：1920 -->
+        <attr name="layout_design_density" format="integer" /> <!-- eg：3 -->
 
-        <!-- 控件大小间距相关属性 -->
-        <attr name="layout_width" format="dimension" />
+        <!-- 控件大小间距相关属性：下面的单位都应该写 dp -->
+        <attr name="layout_width" format="dimension" /> 
         <attr name="layout_height" format="dimension" />
 
         <attr name="layout_margin" format="dimension" />

Sample/src/main/res/layout/activity_list.xml

@@ -3,8 +3,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:layout_design_density="@integer/app_design_density"
-    app:layout_design_height="@dimen/app_design_height"
-    app:layout_design_width="@dimen/app_design_width">
+    app:layout_design_height="@integer/app_design_height"
+    app:layout_design_width="@integer/app_design_width">
 
     <TextView
         android:id="@+id/view"
@@ -23,8 +23,8 @@
         android:layout_below="@id/view"
         android:background="#46b"
         app:layout_design_density="@integer/app_design_density"
-        app:layout_design_height="@dimen/app_design_height"
-        app:layout_design_width="@dimen/app_design_width"
+        app:layout_design_height="@integer/app_design_height"
+        app:layout_design_width="@integer/app_design_width"
         app:layout_height="300dp"
         app:layout_marginTop="5dp"
         app:layout_width="300dp">

Sample/src/main/res/layout/activity_main.xml

@@ -1,7 +1,7 @@
 <resources>
 
-    <dimen name="app_design_width">1080px</dimen>
-    <dimen name="app_design_height">1920px</dimen>
     <integer name="app_design_density">3</integer>
+    <integer name="app_design_width">1080</integer>
+    <integer name="app_design_height">1920</integer>
 
 </resources>