增加多类型

luohaolun · Jun 28, 2019 · 9b91dd2 · 9b91dd2
1 parent b1270b7
commit 9b91dd2
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Showing 4 changed files with 82 additions and 7 deletions.
diff --git a/app/src/main/java/k/lhl/adapter/Adapter.kt b/app/src/main/java/k/lhl/adapter/Adapter.kt
@@ -9,7 +9,7 @@ import android.widget.BaseAdapter
 class Adapter<T>(private val context: Context?, private val data: List<T>, private val layoutId: Int, private val bindView: (View, T, Int) -> Unit) : BaseAdapter() {
 
     override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
-        var view = convertView ?: LayoutInflater.from(context).inflate(layoutId, parent, false)
+        val view = convertView ?: LayoutInflater.from(context).inflate(layoutId, parent, false)
         bindView(view, data[position], position)
         return view
     }

diff --git a/app/src/main/java/k/lhl/adapter/MultiAdapter.kt b/app/src/main/java/k/lhl/adapter/MultiAdapter.kt
@@ -0,0 +1,27 @@
+package k.lhl.adapter
+
+import android.content.Context
+import android.util.SparseArray
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.BaseAdapter
+
+class MultiAdapter<T>(private val context: Context?, private val data: List<Pair<Int, T>>, private val layoutId: SparseArray<Int>, private val bindView: (View, T, Int, Int) -> Unit) : BaseAdapter() {
+
+    override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
+        val view = convertView ?: LayoutInflater.from(context).inflate(layoutId[data[position].first], parent, false)
+        bindView(view, data[position].second, data[position].first, position)
+        return view
+    }
+
+    override fun getItemViewType(position: Int): Int = data[position].first
+
+    override fun getViewTypeCount(): Int = layoutId.size()
+
+    override fun getItem(position: Int): T = data[position].second
+
+    override fun getItemId(position: Int) = position.toLong()
+
+    override fun getCount(): Int = data.size
+}
diff --git a/test/src/main/java/k/lhl/test/MainActivity.kt b/test/src/main/java/k/lhl/test/MainActivity.kt
@@ -2,8 +2,10 @@ package k.lhl.test
 
 import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import android.util.SparseArray
 import android.widget.Toast
 import k.lhl.adapter.Adapter
+import k.lhl.adapter.MultiAdapter
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.item_test.view.*
 
@@ -12,14 +14,38 @@ class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        val data = mutableListOf<String>()
-        for (i in 0..10) {
-            data.add(i.toString())
+//        val data = mutableListOf<String>()
+//        for (i in 0..10) {
+//            data.add(i.toString())
+//        }
+//
+//        lvList.adapter = Adapter(this, data, R.layout.item_test) { v, item, position ->
+//            v.tvNum.text = item
+//            v.btn.setOnClickListener { Toast.makeText(this, "点击" + position, Toast.LENGTH_SHORT).show() }
+//        }
+
+        val data = mutableListOf<Pair<Int, String>>()
+        for (i in 0..20) {
+            if (i < 4)
+                data.add(Pair(0, i.toString()))
+            else
+                data.add(Pair(1, i.toString()))
         }
 
-        lvList.adapter = Adapter(this, data, R.layout.item_test) { v, item, position ->
-            v.tvNum.text = item
-            v.btn.setOnClickListener { Toast.makeText(this, "点击" + position, Toast.LENGTH_SHORT).show() }
+
+        lvList.adapter = MultiAdapter(this, data, SparseArray<Int>().apply { put(0, R.layout.item_test);put(1, R.layout.item_test_2) }) { view, item, type, position ->
+            when (type) {
+                0 -> {
+                    view.tvNum.text = "$item  类型0"
+                    view.btn.setOnClickListener { Toast.makeText(this, "点击$position   类型0", Toast.LENGTH_SHORT).show() }
+                }
+                1 -> {
+                    view.tvNum.text = "$item  类型1"
+                    view.btn.setOnClickListener { Toast.makeText(this, "点击$position   类型1", Toast.LENGTH_SHORT).show() }
+                }
+            }
         }
+
+
     }
 }
diff --git a/test/src/main/res/layout/item_test_2.xml b/test/src/main/res/layout/item_test_2.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:gravity="center_vertical"
+    android:orientation="horizontal"
+    android:padding="16dp">
+
+
+    <Button
+        android:id="@+id/btn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:text="测试2" />
+
+    <TextView
+        android:id="@+id/tvNum"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>