...处理数据刷新

app/src/main/AndroidManifest.xml

@@ -88,6 +88,16 @@
             android:screenOrientation="portrait"
             tools:ignore="DiscouragedApi,LockedOrientationActivity" />
 
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+
         <meta-data
             android:name="com.google.android.gms.ads.APPLICATION_ID"
             android:value="ca-app-pub-3940256099942544~3347511713" />

app/src/main/java/com/base/pdfoneread/ui/MyApplication.kt

 package com.base.pdfoneread.ui
 
 import android.app.Application
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
 
 class MyApplication : Application() {
 
 
     companion object {
         lateinit var appContext: MyApplication
+
+        //全局协程作用域
+        val appScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
     }
 
     override fun onCreate() {

app/src/main/java/com/base/pdfoneread/ui/document/DocumentActivity.kt

@@ -21,14 +21,19 @@ import com.base.pdfoneread.ui.views.DialogCallBack
 import com.base.pdfoneread.ui.views.DocumentDialog.showDocumentHomeMoreDialog
 import com.base.pdfoneread.ui.views.PdfDialog.showPdfHomeMoreDialog
 import com.base.pdfoneread.utils.BarUtils
+import com.base.pdfoneread.utils.LogEx
 import com.base.pdfoneread.utils.PdfBoxUtils.checkPdfEncryption
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
 import java.io.File
 
 
 class DocumentActivity : BaseActivity<ActivityDocumentBinding>(), DialogCallBack {
 
+    private val TAG = "DocumentActivity"
+
     var type: String = ""
 
     override val binding: ActivityDocumentBinding by lazy {
@@ -141,6 +146,14 @@ class DocumentActivity : BaseActivity<ActivityDocumentBinding>(), DialogCallBack
             initData()
         }
         initPreData()
+        lifecycleScope.launch {
+            isRefreshOver.collectLatest { value ->
+                LogEx.logDebug(TAG, "value=$value")
+                initData()
+                //刷新结束不再监听
+                cancel()
+            }
+        }
     }
 
     @SuppressLint("NotifyDataSetChanged")
@@ -192,15 +205,8 @@ class DocumentActivity : BaseActivity<ActivityDocumentBinding>(), DialogCallBack
             else -> getGlobalAllList()
 
         }
-        if (list.isEmpty()) {
-            binding.swipeRefreshLayout.isRefreshing = true
-        } else {
-            binding.llEmpty.visibility = View.GONE
-            adapter?.submitList(getRvAdList(list))
-        }
-        if (isRefreshing.get()) {
-            initData()
-        }
+
+        runOnUI(list)
     }
 
 
@@ -214,7 +220,11 @@ class DocumentActivity : BaseActivity<ActivityDocumentBinding>(), DialogCallBack
             TYPE_PPT -> getPptDocument(context)
             else -> getAllDocument(context)
         }
-        launch(Dispatchers.Main) {
+        runOnUI(list)
+    }
+
+    private fun runOnUI(list: List<DocumentBean>) {
+        lifecycleScope.launch(Dispatchers.Main) {
             if (list.isEmpty()) {
                 binding.llEmpty.visibility = View.VISIBLE
                 adapter?.submitList(listOf())
@@ -224,7 +234,6 @@ class DocumentActivity : BaseActivity<ActivityDocumentBinding>(), DialogCallBack
             }
             binding.swipeRefreshLayout.isRefreshing = false
         }
-
     }
 
     //region DialogCallBack

app/src/main/java/com/base/pdfoneread/ui/document/DocumentEx.kt

@@ -21,19 +21,24 @@ import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_PPT
 import com.base.pdfoneread.bean.DocumentBean.Companion.TYPE_WORD
 import com.base.pdfoneread.bean.DocumentBean.Companion.deepCopy
 import com.base.pdfoneread.bean.MediaBean
+import com.base.pdfoneread.ui.MyApplication.Companion.appScope
 import com.base.pdfoneread.utils.AssetUtils.readByteArrayFromAsset
-import com.base.pdfoneread.utils.LogEx
 import com.base.pdfoneread.utils.PdfBoxUtils.checkPdfEncryption
 import com.base.pdfoneread.utils.SpStringUtils
 import com.base.pdfoneread.utils.SpStringUtils.BOOKMARK_KEY
 import com.base.pdfoneread.utils.getMediaFile
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.launch
 import java.io.File
 import java.io.FileOutputStream
 import java.io.IOException
 import java.util.concurrent.CopyOnWriteArrayList
 import java.util.concurrent.atomic.AtomicBoolean
 
-var isRefreshing: AtomicBoolean = AtomicBoolean(false)
+var isRefreshOver: MutableSharedFlow<Boolean> = MutableSharedFlow()
 
 /**
  * 全局数据数据
@@ -53,7 +58,6 @@ var GlobalExcelList = CopyOnWriteArrayList<DocumentBean>()
 var GlobalPptList = CopyOnWriteArrayList<DocumentBean>()
 
 fun cleanGlobalData() {
-    isRefreshing.compareAndSet(false, true)
     GlobalPdfList.clear()
     GlobalWordList.clear()
     GlobalExcelList.clear()
@@ -201,7 +205,7 @@ fun getAllDocument(context: Context): MutableList<DocumentBean> {
         new.add(0, pdfDemo)
         GlobalPdfList.add(0, pdfDemo)
     }
-    isRefreshing.compareAndSet(true, false)
+    appScope.launch { isRefreshOver.emit(true) }
     return new
 }
 
@@ -241,6 +245,7 @@ fun getPdfDocument(context: Context): MutableList<DocumentBean> {
         new.add(0, pdfDemo)
         GlobalPdfList.add(0, deepCopy(pdfDemo))
     }
+    appScope.launch { isRefreshOver.emit(true) }
     return new
 }
 
@@ -266,6 +271,7 @@ fun getWordDocument(context: Context): MutableList<DocumentBean> {
         new.add(0, wordDemo)
         GlobalWordList.add(0, deepCopy(wordDemo))
     }
+    appScope.launch { isRefreshOver.emit(true) }
     return new
 }
 
@@ -292,6 +298,7 @@ fun getExcelDocument(context: Context): MutableList<DocumentBean> {
         new.add(0, excelDemo)
         GlobalExcelList.add(0, deepCopy(excelDemo))
     }
+    appScope.launch { isRefreshOver.emit(true) }
     return new
 }
 
@@ -317,6 +324,7 @@ fun getPptDocument(context: Context): MutableList<DocumentBean> {
         new.add(0, pptDemo)
         GlobalPptList.add(0, deepCopy(pptDemo))
     }
+    appScope.launch { isRefreshOver.emit(true) }
     return new
 }
 

app/src/main/java/com/base/pdfoneread/ui/main/HomeFragment.kt

@@ -39,8 +39,10 @@ import com.base.pdfoneread.ui.document.GlobalWordList
 import com.base.pdfoneread.ui.document.getAllDocument
 import com.base.pdfoneread.ui.document.getGlobalAllList
 import com.base.pdfoneread.utils.LogEx
+import com.base.pdfoneread.utils.PermissionUtils.checkStorePermission
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import java.util.concurrent.atomic.AtomicBoolean
 
 
 class HomeFragment() : Fragment() {
@@ -51,7 +53,7 @@ class HomeFragment() : Fragment() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        LogEx.logDebug(TAG,"onCreate")
+        LogEx.logDebug(TAG, "onCreate")
     }
 
     override fun onCreateView(
@@ -122,17 +124,21 @@ class HomeFragment() : Fragment() {
 
     override fun onDestroyView() {
         super.onDestroyView()
-        LogEx.logDebug(TAG,"onDestroyView")
+        LogEx.logDebug(TAG, "onDestroyView")
     }
+
     override fun onDestroy() {
         super.onDestroy()
-        LogEx.logDebug(TAG,"onDestroy")
+        LogEx.logDebug(TAG, "onDestroy")
     }
 
 
-    fun refreshData(where: String = "") {
+    private var isRefreshing: AtomicBoolean = AtomicBoolean(false)
+    private fun refreshData(where: String = "") {
+        if (isRefreshing.get()) return
         LogEx.logDebug(TAG, "refreshData where=$where")
 
+        isRefreshing.compareAndSet(false, true)
         kotlin.runCatching {
             lifecycleScope.launch(Dispatchers.IO) {
                 getAllDocument(requireContext())
@@ -155,10 +161,18 @@ class HomeFragment() : Fragment() {
 
                     adapter.submitList(groupList)
                     binding.swipeRefreshLayout.isRefreshing = false
+                    isRefreshing.compareAndSet(true, false)
+                }
             }
         }
+
     }
 
+    override fun onResume() {
+        super.onResume()
+        if (requireContext().checkStorePermission()) {
+            refreshData()
+        }
     }
 
 

app/src/main/java/com/base/pdfoneread/ui/main/MainActivity.kt

@@ -47,18 +47,12 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
         changeHomeRvIcon()
 
         if (!checkStorePermission()) {
-            showStoragePermission(launcher) {
-                refreshHomeData()
+            showStoragePermission(launcher) {}
         }
     }
-    }
-
 
-    private fun refreshHomeData() {
-        val fragment = getNavCurrentFragment()
-        if (fragment is HomeFragment) {
-            fragment.refreshData()
-        }
+    override fun onResume() {
+        super.onResume()
     }
 
     override fun initListener() {

app/src/main/res/xml/file_paths.xml

+<?xml version="1.0" encoding="utf-8"?>
+<paths xmlns:android="http://schemas.android.com/apk/res/android">
+    <cache-path
+        name="cache_files"
+        path="." />
+    <external-path
+        name="extern_files"
+        path="." />
+    <files-path
+        name="files"
+        path="." />
+</paths>