up

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -6,4 +6,6 @@ object PreferKey {
     const val hideStatusBar = "hideStatusBar"
     const val hideNavigationBar = "hideNavigationBar"
     const val precisionSearch = "precisionSearch"
+    const val prevKey = "prevKeyCode"
+    const val nextKey = "nextKeyCode"
 }

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -152,6 +152,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
                     viewModel.refreshContent(it)
                 }
             }
+            R.id.menu_page_key -> PageKeyDialog(this).show()
         }
         return super.onCompatOptionsItemSelected(item)
     }

app/src/main/java/io/legado/app/ui/book/read/config/PageKeyDialog.kt

@@ -0,0 +1,45 @@
+package io.legado.app.ui.book.read.config
+
+import android.app.Dialog
+import android.content.Context
+import android.view.KeyEvent
+import io.legado.app.R
+import io.legado.app.constant.PreferKey
+import io.legado.app.utils.hideSoftInput
+import io.legado.app.utils.putPrefInt
+import kotlinx.android.synthetic.main.dialog_page_key.*
+import org.jetbrains.anko.sdk27.listeners.onClick
+
+
+class PageKeyDialog(context: Context) : Dialog(context, R.style.AppTheme_AlertDialog) {
+
+    init {
+        setContentView(R.layout.dialog_page_key)
+        tv_ok.onClick {
+            et_prev.text?.let {
+                context.putPrefInt(PreferKey.prevKey, it.toString().toInt())
+            }
+            et_next.text?.let {
+                context.putPrefInt(PreferKey.nextKey, it.toString().toInt())
+            }
+            dismiss()
+        }
+    }
+
+    override fun onKeyDown(keyCode: Int, event: KeyEvent): Boolean {
+        if (keyCode != KeyEvent.KEYCODE_BACK) {
+            if (et_prev.hasFocus()) {
+                et_prev.setText(keyCode.toString())
+            } else if (et_next.hasFocus()) {
+                et_next.setText(keyCode.toString())
+            }
+        }
+        return super.onKeyDown(keyCode, event)
+    }
+
+    override fun dismiss() {
+        super.dismiss()
+        currentFocus?.hideSoftInput()
+    }
+
+}

app/src/main/res/layout/dialog_page_key.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/tv_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="5dp" />
+
+    <io.legado.app.lib.theme.view.ATEEditText
+        android:id="@+id/et_prev"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="5dp"
+        android:completionThreshold="0"
+        android:inputType="number"
+        android:singleLine="true" />
+
+    <io.legado.app.lib.theme.view.ATEEditText
+        android:id="@+id/et_next"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="5dp"
+        android:completionThreshold="0"
+        android:inputType="number"
+        android:singleLine="true" />
+
+    <TextView
+        android:id="@+id/tv_ok"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="5dp"
+        android:background="@drawable/selector_fillet_btn_bg"
+        android:clickable="true"
+        android:focusable="true"
+        android:gravity="center"
+        android:paddingTop="5dp"
+        android:paddingBottom="5dp"
+        android:text="@string/ok"
+        android:textColor="@color/tv_text_default" />
+</LinearLayout>

app/src/main/res/menu/read_book.xml

@@ -81,6 +81,11 @@
             android:icon="@drawable/ic_toc"
             android:title="@string/book_info"
             app:showAsAction="never" />
+
+        <item
+            android:id="@+id/menu_page_key"
+            android:title="@string/custom_page_key"
+            app:showAsAction="never" />
     </group>
 
     <group android:id="@+id/menu_group_login">

app/src/main/res/values/strings.xml

@@ -556,5 +556,6 @@
     <string name="book_type_audio">音频</string>
     <string name="to_backstage">转到后台</string>
     <string name="importing">正在导入</string>
+    <string name="custom_page_key">定义翻页按键</string>
 
 </resources>