fix: the issue that can select exceeded resources

Author: huhx

app/build.gradle

@@ -62,5 +62,5 @@ dependencies {
 
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
-    debugImplementation 'androidx.compose.ui:ui-tooling:1.6.1'
+    debugImplementation 'androidx.compose.ui:ui-tooling:1.6.2'
 }

build.gradle

@@ -6,13 +6,13 @@ buildscript {
         kotlin_version = '1.9.22'
 
         accompanist_version = '0.34.0'
-        coil_version = '2.5.0'
+        coil_version = '2.6.0'
         exoplayer_version = '2.19.1'
     }
 }// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '8.2.2' apply false
-    id 'com.android.library' version '8.2.2' apply false
+    id 'com.android.application' version '8.3.0' apply false
+    id 'com.android.library' version '8.3.0' apply false
     id 'org.jetbrains.kotlin.android' version "$kotlin_version" apply false
     id "org.jlleitschuh.gradle.ktlint" version "11.6.0"
 }

compose_image_picker/build.gradle

@@ -114,7 +114,7 @@ dependencies {
     implementation "io.coil-kt:coil-video:$coil_version"
     implementation "io.coil-kt:coil-gif:$coil_version"
 
-    def media3_version = "1.3.0-beta01"
+    def media3_version = '1.3.0-rc01'
     implementation "androidx.media3:media3-exoplayer:$media3_version"
     implementation "androidx.media3:media3-ui:$media3_version"
 

compose_image_picker/src/main/java/com/huhx/picker/view/AssetDisplayScreen.kt

@@ -1,6 +1,7 @@
 package com.huhx.picker.view
 
 import android.net.Uri
+import android.widget.Toast
 import androidx.activity.compose.BackHandler
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
@@ -46,8 +47,10 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.FilterQuality
 import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -66,7 +69,7 @@ internal fun AssetDisplayScreen(
     onClose: (List<AssetInfo>) -> Unit,
 ) {
     BackHandler {
-            if (viewModel.selectedList.isNotEmpty()) {
+        if (viewModel.selectedList.isNotEmpty()) {
             viewModel.clear()
         } else {
             onClose(viewModel.selectedList)
@@ -193,7 +196,22 @@ private fun AssetTab(tabs: List<TabItem>, pagerState: PagerState) {
 @Composable
 private fun AssetContent(viewModel: AssetViewModel, requestType: RequestType) {
     val assets = viewModel.getGroupedAssets(requestType)
+    val context = LocalContext.current
     val gridCount = LocalAssetConfig.current.gridCount
+    val maxAssets = LocalAssetConfig.current.maxAssets
+    val errorMessage = stringResource(R.string.message_selected_exceed, maxAssets)
+
+    if (assets.isEmpty()) {
+        return Box(
+            modifier = Modifier.fillMaxSize(),
+            contentAlignment = Alignment.Center
+        ) {
+            Text(
+                text = "对应的资源为空",
+                textAlign = TextAlign.Center
+            )
+        }
+    }
 
     LazyColumn {
         assets.forEach { (dateString, resources) ->
@@ -215,7 +233,9 @@ private fun AssetContent(viewModel: AssetViewModel, requestType: RequestType) {
                         if (allSelected) {
                             viewModel.unSelectAll(resources)
                         } else {
-                            viewModel.selectAll(resources)
+                            if (viewModel.selectAll(resources, maxAssets)) {
+                                Toast.makeText(context, errorMessage, Toast.LENGTH_SHORT).show()
+                            }
                         }
                     }) {
                         Text(
@@ -258,6 +278,9 @@ private fun AssetImage(
     onLongClick: (Boolean) -> Unit,
 ) {
     val selected = selectedList.any { it.id == assetInfo.id }
+    val context = LocalContext.current
+    val maxAssets = LocalAssetConfig.current.maxAssets
+    val errorMessage = stringResource(R.string.message_selected_exceed, maxAssets)
 
     Box(
         modifier = modifier.fillMaxSize(),
@@ -270,7 +293,14 @@ private fun AssetImage(
             resourceType = assetInfo.resourceType,
             durationString = assetInfo.formatDuration(),
             navigateToPreview = navigateToPreview,
-            onLongClick = { onLongClick(!selected) }
+            onLongClick = {
+                val selectResult = !selected
+                if (!selectResult || selectedList.size < maxAssets) {
+                    onLongClick(selectResult)
+                } else {
+                    Toast.makeText(context, errorMessage, Toast.LENGTH_SHORT).show()
+                }
+            }
         )
         AssetImageIndicator(assetInfo = assetInfo, selected = selected, assetSelected = selectedList)
     }

compose_image_picker/src/main/java/com/huhx/picker/viewmodel/AssetViewModel.kt

@@ -106,10 +106,11 @@ internal class AssetViewModel(
         selectedList -= resources.toSet()
     }
 
-    fun selectAll(resources: List<AssetInfo>) {
+    fun selectAll(resources: List<AssetInfo>, maxAssets: Int) : Boolean{
         val selectedIds = selectedList.map { it.id }
         val newSelectedList = resources.filterNot { selectedIds.contains(it.id) }
 
-        selectedList += newSelectedList
+        selectedList += newSelectedList.subList(0, minOf(maxAssets - selectedIds.size, newSelectedList.size))
+        return maxAssets - selectedIds.size < newSelectedList.size
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Sat Jul 23 19:28:55 CST 2022
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME