From 5ca00ec7bef30eb2bff85a3f653660bdb2c869b8 Mon Sep 17 00:00:00 2001
From: kunfei <gekunfei@live.com>
Date: Thu, 16 Mar 2023 21:37:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/AndroidManifest.xml              |  2 +-
 .../app/ui/main/explore/ExploreFragment.kt    | 14 ++++--
 .../app/utils/SoftKeyBoardChangeListener.kt   | 47 +++++++++++++++++++
 .../io/legado/app/utils/ViewExtensions.kt     |  4 ++
 4 files changed, 62 insertions(+), 5 deletions(-)
 create mode 100644 app/src/main/java/io/legado/app/utils/SoftKeyBoardChangeListener.kt

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 1436fb3b0..6df77b226 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -167,7 +167,7 @@
             android:configChanges="locale|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout"
             android:launchMode="singleTask"
             android:windowSoftInputMode="adjustResize|stateHidden" />
-        <!-- 书源编辑 -->
+        <!-- 替换规则编辑 -->
         <activity
             android:name=".ui.replace.edit.ReplaceEditActivity"
             android:configChanges="locale|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout"
diff --git a/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt b/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
index 7622a2d40..969ae561e 100644
--- a/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt
@@ -23,10 +23,7 @@ import io.legado.app.lib.theme.primaryColor
 import io.legado.app.lib.theme.primaryTextColor
 import io.legado.app.ui.book.explore.ExploreShowActivity
 import io.legado.app.ui.book.source.edit.BookSourceEditActivity
-import io.legado.app.utils.applyTint
-import io.legado.app.utils.cnCompare
-import io.legado.app.utils.setEdgeEffectColor
-import io.legado.app.utils.startActivity
+import io.legado.app.utils.*
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
@@ -51,6 +48,7 @@ class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_explo
     private val groups = linkedSetOf<String>()
     private var exploreFlowJob: Job? = null
     private var groupsMenu: SubMenu? = null
+    private val softKeyBoardChangeListener = SoftKeyBoardChangeListener()
 
     override fun onFragmentCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(binding.titleBar.toolbar)
@@ -58,6 +56,14 @@ class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_explo
         initRecyclerView()
         initGroupData()
         upExploreData()
+        softKeyBoardChangeListener.attach(requireActivity().window) {
+            binding.root.setPaddingBottom(softKeyBoardChangeListener.keyBoardHeight)
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        softKeyBoardChangeListener.unAttach()
     }
 
     override fun onCompatCreateOptionsMenu(menu: Menu) {
diff --git a/app/src/main/java/io/legado/app/utils/SoftKeyBoardChangeListener.kt b/app/src/main/java/io/legado/app/utils/SoftKeyBoardChangeListener.kt
new file mode 100644
index 000000000..1e76e6a1a
--- /dev/null
+++ b/app/src/main/java/io/legado/app/utils/SoftKeyBoardChangeListener.kt
@@ -0,0 +1,47 @@
+package io.legado.app.utils
+
+import android.graphics.Rect
+import android.view.ViewTreeObserver
+import android.view.Window
+import splitties.systemservices.windowManager
+import kotlin.math.abs
+
+class SoftKeyBoardChangeListener : ViewTreeObserver.OnGlobalLayoutListener {
+
+    private var window: Window? = null
+    private var softKeyBoardChangeCallback: ((Boolean) -> Unit)? = null
+    var keyBoardShowing = false
+        private set
+    var keyBoardHeight = 0
+
+    fun attach(window: Window, callback: ((Boolean) -> Unit)) {
+        this.window = window
+        window.decorView.viewTreeObserver.addOnGlobalLayoutListener(this)
+        softKeyBoardChangeCallback = callback
+    }
+
+    fun unAttach() {
+        window?.decorView?.viewTreeObserver?.removeOnGlobalLayoutListener(this)
+        window = null
+    }
+
+    override fun onGlobalLayout() {
+        window?.let {
+            val rect = Rect()
+            // 获取当前页面窗口的显示范围
+            it.decorView.getWindowVisibleDisplayFrame(rect)
+            val screenHeight = windowManager.windowSize.heightPixels
+            val keyboardHeight = screenHeight - rect.bottom // 输入法的高度
+            if (abs(keyboardHeight) > screenHeight / 5) {
+                keyBoardShowing = true // 超过屏幕五分之一则表示弹出了输入法
+                this.keyBoardHeight = abs(keyboardHeight)
+                softKeyBoardChangeCallback?.invoke(true)
+            } else {
+                keyBoardShowing = false
+                this.keyBoardHeight = 0
+                softKeyBoardChangeCallback?.invoke(false)
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/utils/ViewExtensions.kt b/app/src/main/java/io/legado/app/utils/ViewExtensions.kt
index d38107d9c..64f157169 100644
--- a/app/src/main/java/io/legado/app/utils/ViewExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/ViewExtensions.kt
@@ -140,6 +140,10 @@ fun View.screenshot(): Bitmap? {
     }
 }
 
+fun View.setPaddingBottom(bottom: Int) {
+    setPadding(paddingLeft, paddingTop, paddingRight, bottom)
+}
+
 fun SeekBar.progressAdd(int: Int) {
     progress += int
 }