Android Studio —— ArrayAdapter

article/2025/9/22 22:59:31

效果

在这里插入图片描述

代码过程

代码

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:gravity="center_vertical"android:layout_height="50dp"></TextView>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_width="match_parent"android:layout_height="match_parent"xmlns:android="http://schemas.android.com/apk/res/android"><ListViewandroid:id="@+id/listView"android:layout_width="match_parent"android:layout_height="match_parent" />
</LinearLayout>

package com.example.androidapplication;import androidx.appcompat.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 {String strList[] = new String[]{"手机","配置","mp3","测试","便携式热点","蓝牙","声音和震动","其他连接方式","免打扰","开发者","网络适配","联系人","手机软件内存","音乐选项","点击事件","支付宝","通讯录","密码与安全","手机助手"};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);ListView listView = findViewById(R.id.listView);if(listView != null){ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(MainActivity.this,R.layout.textview,strList);listView.setAdapter(arrayAdapter);listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {Toast.makeText(MainActivity.this, strList[i], Toast.LENGTH_SHORT).show();}});}}
}