修复有赚首页列表悬浮记录高度的问题 review by sunkai

@@ -27,6 +27,7 @@ export default class Home extends Component {
         this._renderRow = this._renderRow.bind(this);
         this._renderSectionHeader = this._renderSectionHeader.bind(this);
         this._floorCellRender = this._floorCellRender.bind(this);
+        this._clickCategorySelector = this._clickCategorySelector.bind(this);
 
         this.dataSource = new ListView.DataSource({
             rowHasChanged: (r1, r2) => !Immutable.is(r1, r2),
@@ -44,6 +45,7 @@ export default class Home extends Component {
                     <CategorySelector
                         data={categoryList}
                         selectedCategoryIndex={selectedCategoryIndex}
+                        changeCategorySelectorTitle={this._clickCategorySelector}
                         onPressCategory={(rowData, rowID) => {
                             this.props.onPressCategory && this.props.onPressCategory(rowData, rowID);
                         }}
@@ -55,6 +57,16 @@ export default class Home extends Component {
         }
     }
 
+    _clickCategorySelector(rowData) {
+        let params = {
+            animated: true,
+            sectionIndex: 1,
+            itemIndex: 0,
+            viewOffset: 44
+        }
+        this.sectionList.scrollToLocation(params);
+    }
+
     _renderRow(item) {
         let rowID = item.index;
         let rowData = item.item;
@@ -174,9 +186,7 @@ export default class Home extends Component {
                     isShowGuide={this.props.isShowGuide}
                     hiddenGuideDialog={this.props.hiddenGuideDialog}/>
                 <SectionList
-                    ref={(c) => {
-                        this.listView = c;
-                    }}
+                    ref={(ref) => this.sectionList = ref}
                     sections={dataSource}
                     renderSectionHeader={this._renderSectionHeader}
                     yh_viewVisible={true}

@@ -68,6 +68,7 @@ export default class CategorySelector extends Component {
                 onPress={() => {
                     this.scrollToCenter(rowID);
                     this.props.onPressCategory && this.props.onPressCategory(rowData, rowID);
+                    this.props.changeCategorySelectorTitle && this.props.changeCategorySelectorTitle(rowData);
                 }}
                 onLayout={(event) => {
                     this.rowPosition[rowID] = event.nativeEvent.layout;
@@ -105,14 +106,6 @@ export default class CategorySelector extends Component {
 };
 
 let {width} = Dimensions.get('window');
-const DEVICE_WIDTH_RATIO = width / 320;
-
-let imageWidth = Math.floor(width / 2);
-let imageHeight = Math.floor(imageWidth * 180 / 375);
-
-let selectorHeight = Math.ceil(45 * DEVICE_WIDTH_RATIO);
-
-selectorHeight = 45;
 
 let styles = StyleSheet.create({
     container: {