edit ReplaceRuleActivity.kt

app/src/main/assets/help/replaceRuleHelp.md

@@ -0,0 +1,6 @@
+# 替换管理界面帮助
+
+* 替换规则是用来替换正文内容的一种规则
+  * 菜单可以新建和导入规则
+  * 可以拖动排序
+  * 可以选择操作

app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt

@@ -32,6 +32,7 @@ import io.legado.app.ui.filepicker.FilePickerDialog
 import io.legado.app.ui.qrcode.QrCodeActivity
 import io.legado.app.ui.replace.edit.ReplaceEditActivity
 import io.legado.app.ui.widget.SelectActionBar
+import io.legado.app.ui.widget.dialog.TextDialog
 import io.legado.app.ui.widget.recycler.DragSelectTouchHelper
 import io.legado.app.ui.widget.recycler.ItemTouchCallback
 import io.legado.app.ui.widget.recycler.VerticalDivider
@@ -190,6 +191,7 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
             R.id.menu_import_source_local -> FilePicker
                 .selectFile(this, importRequestCode, allowExtensions = arrayOf("txt", "json"))
             R.id.menu_import_source_qr -> startActivityForResult<QrCodeActivity>(importRequestCodeQr)
+            R.id.menu_help -> showHelp()
             else -> if (item.groupId == R.id.replace_group) {
                 searchView.setQuery("group:${item.title}", true)
             }
@@ -243,6 +245,11 @@ class ReplaceRuleActivity : VMBaseActivity<ActivityReplaceRuleBinding, ReplaceRu
         }.show()
     }
 
+    private fun showHelp() {
+        val text = String(assets.open("help/replaceRuleHelp.md").readBytes())
+        TextDialog.show(supportFragmentManager, text, TextDialog.MD)
+    }
+
     override fun onQueryTextChange(newText: String?): Boolean {
         observeReplaceRuleData(newText)
         return false

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

@@ -48,4 +48,10 @@
         android:title="@string/import_by_qr_code"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_help"
+        android:icon="@drawable/ic_help"
+        android:title="@string/help"
+        app:showAsAction="never" />
+
 </menu>