public class MyGrideView extends GridView {
public MyGrideView(Context context) {
super(context);
}
public MyGrideView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public MyGrideView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
//该自定义控件只是重写了GridView的onMeasure方法，使其不会出现滚动条，ScrollView嵌套ListView也是同样的道理，不再赘述。
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int expandSpec = MeasureSpec.makeMeasureSpec(
Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
}
/**
* 重绘分割线
*/
@Override
protected void dispatchDraw(Canvas canvas) {
// TODO Auto-generated method stub
super.dispatchDraw(canvas);
View localView1 = getChildAt(0);
int column = getWidth() / localView1.getWidth();
int childCount = getChildCount();
Paint localPaint;
localPaint = new Paint();
localPaint.setStyle(Paint.Style.STROKE);
localPaint.setStrokeWidth(2);
localPaint.setColor(getContext().getResources().getColor(R.color.gray001));
for(int i = 0;i < childCount;i++){
View cellView = getChildAt(i);
if((i + 1) % column == 0){
if (i != childCount -1){
canvas.drawLine(cellView.getLeft(), cellView.getBottom(), cellView.getRight(), cellView.getBottom(), localPaint);
}
}else if((i + 1) > (childCount - (childCount % column))){
canvas.drawLine(cellView.getRight(), cellView.getTop(), cellView.getRight(), cellView.getBottom(), localPaint);
}else{
canvas.drawLine(cellView.getRight(), cellView.getTop(), cellView.getRight(), cellView.getBottom(), localPaint);
if (i != childCount -2 && i != childCount -3){
canvas.drawLine(cellView.getLeft(), cellView.getBottom(), cellView.getRight(), cellView.getBottom(), localPaint);
}
}
}
if(childCount % column != 0){
for(int j = 0 ;j < (column-childCount % column) ; j++){
View lastView = getChildAt(childCount - 1);
canvas.drawLine(lastView.getRight() + lastView.getWidth() * j, lastView.getTop(), lastView.getRight() + lastView.getWidth()* j, lastView.getBottom(), localPaint);
}
}
}
}
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