Android - 多线性线性布局

Question

我需要一个多线布局，它可以表现为水平线性布局，但是当没有足够的空间放置新的小部件时，它会扩展到下一行，就像文本中的单词一样。小部件将在运行时添加到那里，并应与wrap_content一起使用。实际上，会有按钮。

是否有任何具有此类行为的小部件？或者给出一个关于如何自己编写这种布局的建议。

最后看起来应该是这样的：

Answer 1

检查评论：这将完成工作

/*
*  Copyright 2011 Sherif
*/

private void populateText(LinearLayout ll, View[] views , Context mContext) { 
    Display display = getWindowManager().getDefaultDisplay();
    ll.removeAllViews();
    int maxWidth = display.getWidth() - 20;

    LinearLayout.LayoutParams params;
    LinearLayout newLL = new LinearLayout(mContext);
    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(mContext);
        LL.setOrientation(LinearLayout.HORIZONTAL);
        LL.setGravity(Gravity.CENTER_HORIZONTAL|Gravity.BOTTOM);
        LL.setLayoutParams(new ListView.LayoutParams(
                LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
        //my old code
        //TV = new TextView(mContext);
        //TV.setText(textArray[i]);
        //TV.setTextSize(size);  <<<< SET TEXT SIZE
        //TV.measure(0, 0);
        views[i].measure(0,0);
        params = new LinearLayout.LayoutParams(views[i].getMeasuredWidth(),
                LayoutParams.WRAP_CONTENT);
        //params.setMargins(5, 0, 5, 0);  // YOU CAN USE THIS
        //LL.addView(TV, params);
        LL.addView(views[i], params);
        LL.measure(0, 0);
        widthSoFar += views[i].getMeasuredWidth();// YOU MAY NEED TO ADD THE MARGINS
        if (widthSoFar >= maxWidth) {
            ll.addView(newLL);

            newLL = new LinearLayout(mContext);
            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);
        }
    }
    ll.addView(newLL);
}

Answer 2

谢里夫的答案很好，但没有处理有关LinearLayout两侧可能有额外观点的情况。我已经更新并清理了代码来处理这种情况：

/**
 * 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 = getSherlockActivity().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);
}

Answer 3

您现在可以使用Google的Flexbox布局（https://github.com/google/flexbox-layout）轻松解决此问题。