与“激动人心的BaseAdapter之一”相似
只不过这次的列表项填充方式有所不同,比上一个复杂一些些
效果图:
还是以空格拆分
第一个布局文件(主布局):
<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.arial.listview4.MainActivity"
android:orientation="vertical">
<ListView
android:id="@+id/lv"
android:layout_width="match_parent"
android:layout_weight="1"
android:layout_height="0dp"
android:dividerHeight="2dp"></ListView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<EditText
android:id="@+id/et"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"/>
<Button
android:id="@+id/btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:textSize="18sp"
android:text="空格拆分"/>
</LinearLayout>
</LinearLayout>
还有一个单独的列表项的布局single.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<ImageView
android:id="@+id/img"
android:layout_width="60dp"
android:layout_height="60dp"
android:scaleType="center"/>
<TextView
android:id="@+id/tv"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:textSize="20sp"/>
</LinearLayout>
代码:
public class MainActivity extends Activity {
ListView lv;
EditText et;
Button btn;
BaseAdapter adapter;
String[] ss = {};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lv = (ListView)findViewById(R.id.lv);
et = (EditText)findViewById(R.id.et);
btn = (Button)findViewById(R.id.btn);
adapter = new BaseAdapter() {
@Override
public View getView(int arg0, View arg1, ViewGroup arg2) {
// TODO Auto-generated method stub
View v = LayoutInflater.from(MainActivity.this).inflate(R.layout.single, null);
ImageView img = (ImageView)v.findViewById(R.id.img);
TextView tv = (TextView)v.findViewById(R.id.tv);
img.setBackgroundResource(R.drawable.pic);
tv.setText(ss[arg0]);
return v;
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return ss.length;
}
};
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
ss = et.getText().toString().split(" ");
adapter.notifyDataSetChanged();
}
});
lv.setAdapter(adapter);
}
关于xml布局文件转换成view类型的方法,借鉴:
http://blog.csdn.net/u013424496/article/details/51580016
就酱。