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自定义ListView列表样式

2016-05-03 13:51 489 查看
先上效果


其实实现的思路很简单,共3步,

1。自定义控件继承TextView。重写onDraw方法。

private Paint marginPaint;
private Paint linePaint;
private int pagerColor;
private float margin;

private void init(){
Resources myResources=getResources();

//创建在ondraw中使用画刷
marginPaint=new Paint(Paint.ANTI_ALIAS_FLAG);
marginPaint.setColor(myResources.getColor(R.color.notepad_matgin));

linePaint=new Paint(Paint.ANTI_ALIAS_FLAG);
linePaint.setColor(myResources.getColor(R.color.notepad_lines));

//获得页面背景色和边缘宽度
pagerColor=myResources.getColor(R.color.notepad_paper);
margin=myResources.getDimension(R.dimen.nptepad_margin);
}


protected void onDraw(Canvas canvas) {
init();

canvas.drawColor(pagerColor);

canvas.drawLine(0, 0, 0, getMeasuredHeight(), linePaint);
canvas.drawLine(0, getMeasuredHeight(), getMeasuredWidth(), getMeasuredHeight(), linePaint);

canvas.drawLine(margin, 0, margin, getMeasuredHeight(), marginPaint);

canvas.save();

canvas.translate(margin, 0);

super.onDraw(canvas);

canvas.restore();

}


2.设置layout

<com.example.to_do_list.widgets.MyTextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/myfEditTex"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="。。。。。。。。。。。" >
</com.example.to_do_list.widgets.MyTextView>


3.设定listView的样式

aa = new ArrayAdapter<String>(this,R.layout.listview_style,todoItems);

todoListFragment.setListAdapter(aa);
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