这次要实现不同的分组里面有不同数量的RadioGroup不说,还有实现自动换行问题,,,因为有的数量多了,针对小手机的人来说,就导致了这个问题的存在。然后,我尝试在GridView里面用Button和TextView来实现,结果,由于项数多了,导致去判断单选,我觉得太费事了,有咩有遇到过可以实现RadioGroup自动换行的。。。。
这是一个会自动换行处理的布局layout,应该可以满足你的需要
import java.util.Hashtable;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.LinearLayout;
public class NewlineLayout extends LinearLayout {
int mLeft, mRight, mTop, mBottom;
Hashtable map = new Hashtable();
public NewlineLayout(Context context) {
super(context);
}
public NewlineLayout(Context context, int horizontalSpacing, int verticalSpacing) {
super(context);
}
public NewlineLayout(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int mWidth = MeasureSpec.getSize(widthMeasureSpec);
int mCount = getChildCount();
int mX = 0;
int mY = 0;
mLeft = 0;
mRight = 0;
mTop = 5;
mBottom = 0;
int j = 0;
View lastview = null;
for (int i = 0; i < mCount; i++) {
final View child = getChildAt(i);
child.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);
// 此处增加onlayout中的换行判断,用于计算所需的高度
int childw = child.getMeasuredWidth();
int childh = child.getMeasuredHeight();
mX += childw; //将每次子控件宽度进行统计叠加,如果大于设定的高度则需要换行,高度即Top坐标也需重新设置
Position position = new Position();
mLeft = getPosition(i - j, i);
mRight = mLeft + child.getMeasuredWidth();
if (mX >= mWidth) {
mX = childw;
mY += childh;
j = i;
mLeft = 0;
mRight = mLeft + child.getMeasuredWidth();
mTop = mY + 5;
//PS:如果发现高度还是有问题就得自己再细调了
}
mBottom = mTop + child.getMeasuredHeight();
mY = mTop; //每次的高度必须记录 否则控件会叠加到一起
position.left = mLeft;
position.top = mTop + 3;
position.right = mRight;
position.bottom = mBottom;
map.put(child, position);
}
setMeasuredDimension(mWidth, mBottom);
}
@Override
protected LayoutParams generateDefaultLayoutParams() {
return new LayoutParams(1, 1); // default of 1px spacing
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
// TODO Auto-generated method stub
int count = getChildCount();
for (int i = 0; i < count; i++) {
View child = getChildAt(i);
Position pos = (Position) map.get(child);
if (pos != null) {
child.layout(pos.left, pos.top, pos.right, pos.bottom);
} else {
Log.i("MyLayout", "error");
}
}
}
private class Position {
int left, top, right, bottom;
}
public int getPosition(int IndexInRow, int childIndex) {
if (IndexInRow > 0) {
return getPosition(IndexInRow - 1, childIndex - 1)
+ getChildAt(childIndex - 1).getMeasuredWidth() + 8;
}
return getPaddingLeft();
}
}
谢谢
没看明白。