xiugai UI bug review by daiqiang

@@ -71,7 +71,7 @@ export default class Brand extends Component {
             if (this.state.showFooter) {
                 return <Image
                     style={styles.bottomImage}
-                    resizeMode= {'center'}
+                    resizeMode= {'contain'}
                     source={require('../../images/brand/shared_bottom.png')}
                 />;
             }

@@ -141,17 +141,15 @@ export default class BrandCell extends Component{
                     <View style={styles.right}>
                         <TouchableOpacity
                             activeOpacity={1}
-                            style={styles.optTouch}
                             onPress={this.props.onPressLike}
                         >
-                            <View><Image style={styles.optIcon} resizeMode= {'center'} source={heartIcon} /></View>
+                            <View style={styles.optTouch}><Image style={styles.optIcon} resizeMode= {'contain'} source={heartIcon} /></View>
                         </TouchableOpacity>
                         <TouchableOpacity
                             activeOpacity={1}
-                            style={styles.optTouch}
                             onPress={this.props.onPressHome}
                         >
-                            <Image style={styles.optIcon} resizeMode={'center'} source={homeIcon} />
+                            <View style={styles.optTouch}><Image style={styles.optIcon} resizeMode= {'contain'} source={homeIcon} /></View>
                         </TouchableOpacity>
                     </View>
                 </View>
@@ -229,10 +227,12 @@ let styles = StyleSheet.create({
     optTouch: {
         width: 44,
         height: 44,
+        alignItems: 'center',
+        justifyContent: 'center',
     },
     optIcon: {
-        width: 38,
-        height: 38,
+        width: 17,
+        height: 17,
     },
     rowContainer: {
         width: 113,