package com.example.wang.testapp2;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class TestActivity7
extends AppCompatActivity {
ListView lv_1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_test7);
// ListView lv_1=(ListView)findViewById(R.id.lv_1);
lv_1=
(ListView)findViewById(R.id.lv_1);
//第一步，数据集合，创建layout文件——array_adapter
String[] strings={"A1","A2","A3","A4","A5","A6","A7","A8","A9","A1","A2","A3","A4","A5","A6","A7","A8","A9"
};
//第二步，创建Adapter
ArrayAdapter<String> arrayAdapter=
new ArrayAdapter<String>(
this,R.layout.array_adapter,strings);
//第三步,绑定到ListView
lv_1.setAdapter(arrayAdapter);
}
}
java
<?xml version="1.0" encoding="utf-8"?>
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:paddingTop="10dp"
android:paddingBottom="10dp"/>
array_adapter
<?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: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.wang.testapp2.TestActivity7">
<ListView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/lv_1"></ListView>
</LinearLayout>
activity_test7
转载于:https://www.cnblogs.com/wangchuanqi/p/5501951.html
