ภาพซ้ายเป็น ListView อย่างเดียว
ภาพขวาเป็น ListView ใน ScrollView ที่จำกัดความสูงไว้ที่ 300dp แล้วค่อย Scroll ดูไอเทมที่เหลือ
activity_main.xml
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<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context=".MainActivity"> <ScrollView android:layout_width="match_parent" android:fillViewport="true" android:layout_height="300dp" android:scrollbars="vertical"> <ListView android:id="@+id/listView" android:layout_width="match_parent" android:layout_height="wrap_content" /> </ScrollView> </LinearLayout> |
บรรทัดที่ 14 : ต้องใส่ไม่งั้น ListView จะเห็นแค่ item เดียว
MainActivity.java
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package com.phaisarns.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); final ListView listView = findViewById(R.id.listView); // Defined Array values to show in ListView String[] values = new String[]{"Android List View", "Adapter implementation", "Simple List View In Android", "Create List View Android", "Android Example", "List View Source Code", "List View Array Adapter", "Android Example List View" }; ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, android.R.id.text1, values); // Assign adapter to ListView listView.setAdapter(adapter); // ListView Item Click Listener listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // ListView Clicked item index int itemPosition = position; // ListView Clicked item value String itemValue = (String) listView.getItemAtPosition(position); // Show Alert Toast.makeText(getApplicationContext(), "No :" + itemPosition + " : " + itemValue, Toast.LENGTH_LONG) .show(); } }); } } |
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