我需要实现不能成为GridView或ListView的菜单。项目彼此相邻,如果没有地方,项目应显示在下一行,如图所示
我开始实现基于SpannableString和ReplacementSpan的实现,但它只支持基本样式,我对选定状态有问题。
实施此类菜单的最佳方法是什么?
答案 0 :(得分:1)
也许这会对你有所帮助
/**
* Copyright 2011 Sherif
* Updated by Karim Varela to handle LinearLayouts with other views on either side.
* @param linearLayout
* @param views : The views to wrap within LinearLayout
* @param context
* @param extraView : An extra view that may be to the right or left of your LinearLayout.
* @author Karim Varela
**/
private void populateViews(LinearLayout linearLayout, View[] views, Context context, View extraView)
{
extraView.measure(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
// kv : May need to replace 'getSherlockActivity()' with 'this' or 'getActivity()'
Display display = getActivity().getWindowManager().getDefaultDisplay();
linearLayout.removeAllViews();
int maxWidth = display.getWidth() - extraView.getMeasuredWidth() - 20;
linearLayout.setOrientation(LinearLayout.VERTICAL);
LinearLayout.LayoutParams params;
LinearLayout newLL = new LinearLayout(context);
newLL.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
newLL.setGravity(Gravity.LEFT);
newLL.setOrientation(LinearLayout.HORIZONTAL);
int widthSoFar = 0;
for (int i = 0; i < views.length; i++)
{
LinearLayout LL = new LinearLayout(context);
LL.setOrientation(LinearLayout.HORIZONTAL);
LL.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM);
LL.setLayoutParams(new ListView.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
views[i].measure(0, 0);
params = new LinearLayout.LayoutParams(views[i].getMeasuredWidth(), LayoutParams.WRAP_CONTENT);
params.setMargins(5, 0, 5, 0);
LL.addView(views[i], params);
LL.measure(0, 0);
widthSoFar += views[i].getMeasuredWidth();
if (widthSoFar >= maxWidth)
{
linearLayout.addView(newLL);
newLL = new LinearLayout(context);
newLL.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
newLL.setOrientation(LinearLayout.HORIZONTAL);
newLL.setGravity(Gravity.LEFT);
params = new LinearLayout.LayoutParams(LL.getMeasuredWidth(), LL.getMeasuredHeight());
newLL.addView(LL, params);
widthSoFar = LL.getMeasuredWidth();
}
else
{
newLL.addView(LL);
}
}
linearLayout.addView(newLL);
}
答案 1 :(得分:0)
我终于发现了一个名为Android流程布局的库,效果很好https://github.com/ApmeM/android-flowlayout