up

app/src/main/java/io/legado/app/ui/main/findbook/FindBookAdapter.kt

@@ -4,7 +4,7 @@ import android.graphics.drawable.GradientDrawable
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.TextView
+import android.widget.GridLayout
 import androidx.paging.PagedListAdapter
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.RecyclerView
@@ -12,10 +12,12 @@ import io.legado.app.R
 import io.legado.app.data.entities.BookSource
 import io.legado.app.lib.theme.ColorUtils
 import io.legado.app.utils.gone
-import io.legado.app.utils.invisible
+import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.item_find_book.view.*
+import kotlinx.android.synthetic.main.item_text.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 
+
 class FindBookAdapter:PagedListAdapter<BookSource, FindBookAdapter.MyViewHolder>(DIFF_CALLBACK) {
 
     var exIndex = 0
@@ -43,18 +45,34 @@ class FindBookAdapter:PagedListAdapter<BookSource, FindBookAdapter.MyViewHolder>
                 tv_name.text = bookSource.bookSourceName
                 ll_title.onClick {
                     val oldEx = exIndex
-                    exIndex = position
+                    if (exIndex == position) {
+                        exIndex = -1
+                    } else {
+                        exIndex = position
+                        notifyItemChanged(position)
+                    }
                     notifyItemChanged(oldEx)
-                    notifyItemChanged(position)
                 }
                 if (exIndex == position) {
-                    gl_child.invisible()
+                    gl_child.visible()
                     bookSource.getExploreRule().getExploreKinds(bookSource.bookSourceUrl)?.let {
+                        var rowNum = 0
+                        var columnNum = 0
+                        gl_child.removeAllViews()
                         it.map { kind ->
-                            val tv = TextView(context)
-                            tv.text = kind.title
-                            tv.onClick { }
-                            gl_child.addView(tv)
+                            val tv = LayoutInflater.from(context)
+                                .inflate(R.layout.item_text, gl_child, false)
+                            tv.text_view.text = kind.title
+                            val rowSpecs = GridLayout.spec(rowNum, 1.0f)
+                            val colSpecs = GridLayout.spec(columnNum, 1.0f)
+                            val params = GridLayout.LayoutParams(rowSpecs, colSpecs)
+                            gl_child.addView(tv, params)
+                            if (columnNum < 2) {
+                                columnNum++
+                            } else {
+                                columnNum = 0
+                                rowNum++
+                            }
                         }
                     }
                 } else {

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

@@ -4,7 +4,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:padding="10dp"
+    android:layout_margin="10dp"
     android:orientation="vertical">
 
     <LinearLayout

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/text_view"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="3dp"
+    android:textColor="@color/tv_text_secondary" />