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ArrayAdapter测试,layout里面增加了两个xml布局

2015-12-17 10:57 148 查看
jaba代码

package com.example.zhang.arrayadaptertest;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView1 = (ListView) findViewById(R.id.listView1);
//定义一个数组
String[] arr1 = {"张银君", "薛秋玲", "孟菊芬"};

//把数组包装为ArrayAdapter,这里ArrayAdapter传入的三个参数context,textViewResource和数组或
//list,context这个参数代表了访问整个安卓应用的接口,几乎创建所有组件都要传入context对象
//textViewResource是一个资源ID,该资源id代表一个TextView,这个参数控制着每个列表项的组件
//数组或者List,负责为列表项提供数据
ArrayAdapter<String> adapter1 = new ArrayAdapter<String>(this, R.layout.array_item, arr1);
//为ListView设置Adapteer
listView1.setAdapter(adapter1);

ListView listView2 = (ListView) findViewById(R.id.listView2);
//定义一个数组
String[] arr2 = {"Java", "Android", "Web"};
//把数组包装为ArrayAdapter
ArrayAdapter<String> adapter2 = new ArrayAdapter<String>(this, R.layout.checked_item, arr2);
//为ListView设置Adapteer
listView2.setAdapter(adapter2);

Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);

FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();

//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}

return super.onOptionsItemSelected(item);
}
}


xml代码

<?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"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.example.zhang.arrayadaptertest.MainActivity"
tools:showIn="@layout/activity_main">
//设置两个ListView
<ListView
android:id="@+id/listView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:dividerHeight="2px"
android:divider="#f00"
android:headerDividersEnabled="false" />
<ListView
android:id="@+id/listView2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:dividerHeight="2px"
android:divider="#f0f"
android:headerDividersEnabled="false"  />
</LinearLayout>

//这个是放在res/layout下面的,这个是控制每个列表组件的
<?xml version="1.0" encoding="utf-8"?>
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/textView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="24dp"
android:padding="10px"
android:shadowColor="#0f0"
android:shadowDx="4"
android:shadowDy="4"
android:shadowRadius="2"/>

//这个是放在res/layout下面的,这个是控制每个列表组件的
<?xml version="1.0" encoding="utf-8"?>
<CheckBox
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/checkBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>


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