优化刷新效率

Author: zhujiang2

banner/build.gradle

@@ -17,7 +17,7 @@ afterEvaluate {
                 // You can then customize attributes of the publication as shown below.
                 groupId = 'com.zj.banner'
                 artifactId = 'banner'
-                version = '2.6.0'
+                version = '2.6.1'
             }
 //            // Creates a Maven publication called “debug”.
 //            debug(MavenPublication) {

banner/src/main/java/com/zj/banner/BannerPager.kt

@@ -12,6 +12,7 @@ import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -103,20 +104,6 @@ fun <T : BaseBannerBean> BannerPager(
                                 stop = 1f,
                                 fraction = 1f - pageOffset.coerceIn(0f, 1f)
                             )
-
-                            var position: Int = pagerState.currentPage
-                            Log.d(TAG, "finish update before, position=$position")
-                            if (position == 0) {
-                                position = size
-                                coroutineScope.launch {
-                                    pagerState.scrollToPage(position)
-                                }
-                            } else if (position == FAKE_BANNER_SIZE - 1) {
-                                position = size - 1
-                                coroutineScope.launch {
-                                    pagerState.scrollToPage(position)
-                                }
-                            }
                         }
                         .fillMaxSize()
                         .padding(config.bannerImagePadding),
@@ -129,6 +116,22 @@ fun <T : BaseBannerBean> BannerPager(
             }
         )
 
+        LaunchedEffect(key1 = pagerState){
+            var position: Int = pagerState.currentPage
+            Log.d(TAG, "finish update before, position=$position")
+            if (position == 0) {
+                position = size
+                coroutineScope.launch {
+                    pagerState.scrollToPage(position)
+                }
+            } else if (position == FAKE_BANNER_SIZE - 1) {
+                position = size - 1
+                coroutineScope.launch {
+                    pagerState.scrollToPage(position)
+                }
+            }
+        }
+
         if (indicatorIsVertical) {
             VerticalPagerIndicator(
                 pagerState = pagerState,