Hai的任何人都请告诉我,是否有可能在android中创建DataGrid,如果是,请帮助我提供一些代码段或提供一些相关的Web网址。
最佳答案
Book.java
package com.dgrid;
public class Book {
String title;
String author;
public Book(String title, String author) {
this.title = title;
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="fill_parent"
>
<ListView
android:id="@+id/bookListView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:divider="#ffffff"
/>
</AbsoluteLayout>
row.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:id="@+id/widget0"
android:orientation="horizontal"
android:layout_toRightOf="@android:id/icon"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ffffff"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<com.dgrid.ListItemView
android:id="@+id/title"
android:layout_height="wrap_content"
android:layout_width="150px"
android:text="Title"
android:textSize="10sp"
android:textStyle="bold"
android:textColor="#ff000000"
/>
ListItemView.java
package com.dgrid;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;
public class ListItemView extends TextView {
private boolean isHeader = false;
private Paint linePaint;
public ListItemView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public ListItemView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public ListItemView(Context context) {
super(context);
init();
}
public void init(){
linePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
linePaint.setColor(Color.parseColor("#000000"));
}
public boolean isHeader() {
return isHeader;
}
public void setHeader(boolean isHeader) {
this.isHeader = isHeader;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if(isHeader){
canvas.drawColor(Color.parseColor("#AAFFFF99"));
}
canvas.drawLine(0, 0, getMeasuredWidth(), 0,linePaint);
canvas.drawLine(0, getMeasuredHeight(), getMeasuredWidth(), getMeasuredHeight(),linePaint);
canvas.drawLine(0,0, 0, getMeasuredHeight(),linePaint);
}
}
DatagridActivity.java
package com.dgrid;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class DatagridActivity extends Activity {
Context mContext;
Book[] books = {new Book("Title","Author"),new Book("Clean Code","Uncle Bob"),new Book("Face 2.0","Allen Cooper")};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mContext = this;
setContentView(R.layout.main);
ListView bookListView =(ListView)findViewById(R.id.bookListView);
LitemItemAdapter mcqListAdapter = new LitemItemAdapter(this,R.layout.row,books);
bookListView.setAdapter(mcqListAdapter);
}
class LitemItemAdapter extends ArrayAdapter<Book>{
public LitemItemAdapter(Context context, int textViewResourceId,
Book[] objects) {
super(context, textViewResourceId, objects);
}
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
if (v == null) {
LayoutInflater vi = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(R.layout.row, null);
}
Book item = books[position];
if (item != null) {
ListItemView titleView = (ListItemView) v.findViewById(R.id.title);
ListItemView authorView = (ListItemView) v.findViewById(R.id.author);
if(position == 0){
titleView.setHeader(true);
authorView.setHeader(true);
}
if(titleView != null){
titleView.setText(item.getTitle());
}
if(authorView != null){
authorView.setText(item.getAuthor());
}
}
return v;
}
}
}