20170117 ListView 功能練習

//ListView功能練習_簡單台南導覽
//20170104劉彥廷

MainActivity.java

package com.example.user.myapplication21;


import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;


public class MainActivity extends AppCompatActivity {

    ListView listView;
    TextView textView3;
    //String 是屬性 要放外面
    //資料
    String[] spots = new String[]{"安平老街", "億載金城", "奇美博故館", "赤崁樓",
            "關子嶺", "天后宮", "七股鹽山", "安平港", "延平郡王祠", "五妃廟",
            "正統鹿耳門聖母廟", "大天后宮", "安平小吃街"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //GUI 元件
        listView = (ListView) findViewById(R.id.listView);
        textView3 = (TextView) findViewById(R.id.textView3);

        //adapter
        ArrayAdapter adapter = new ArrayAdapter(MainActivity.this, android.R.layout.simple_list_item_1, spots);
        listView.setAdapter(adapter);

        listView.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                textView3.setText(spots[position]);

            }
        });

    }
}


activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.user.myapplication21.MainActivity"
    android:orientation="vertical">


    <TextView
        android:text="@string/TextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/textView"
        android:textSize="24sp"
        android:textColor="#000000" />

    <ListView
        android:layout_width="match_parent"
        android:layout_height="406dp"
        android:id="@+id/listView" />

    <TextView
        android:text="@string/TextView3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/textView3"
        android:textColor="#000000"
        android:textSize="24sp" />
</LinearLayout>

string.xml

<resources>

    <string name="app_name">台南導覽(簡單版)</string>

    <string name="TextView">我最喜愛的旅遊景點</string>

    <string name="TextView1">我最喜歡的都市</string>

    <string name="TextView2">顯示結果</string>

    <string name="TextView3">顯示結果</string>

</resources>