奇怪的android表行问题

时间:2014-06-02 06:19:25

标签: android android-view android-tablelayout tablerow

我正在以编程方式尝试在Android中为我的表格布局添加视图。但我无法在我的行中添加超过1个视图。它只渲染第一个视图。第二列是空的。我的代码如下。

    LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    TableRow tr1 = new TableRow(this);
    TableRow tr2 = new TableRow(this);
    TextView productNumber = new TextView(this);
    productNumber.setText("PRODUCT NUMBER: " + b[0].getProduct_id());
    productNumber.setTextSize(18);
    productNumber.setTextColor(Color.RED);
    productNumber.setPadding(20, 5, 20, 5);
    tr1.addView(productNumber);
    TextView productDesc = new TextView(this);
    productDesc.setText("PRODUCT DESCRIPTION: " + b[0].getItem_description());
    productDesc.setTextSize(18);
    productDesc.setTextColor(Color.RED);
    productDesc.setPadding(20, 5, 20, 5);
    tr2.addView(productDesc);
    productNumber.setLayoutParams(lp);
    productDesc.setLayoutParams(lp);
    tl.setStretchAllColumns(true);
    tl.addView(tr1, new TableLayout.LayoutParams(TableLayout.LayoutParams.WRAP_CONTENT, TableLayout.LayoutParams.WRAP_CONTENT));
    tl.addView(tr2, new TableLayout.LayoutParams(TableLayout.LayoutParams.WRAP_CONTENT, TableLayout.LayoutParams.WRAP_CONTENT));



    for (ProductBean p: b) {
        TableRow lineSeparator = new TableRow(this.getApplicationContext());
        View line = new View(this.getApplicationContext());
        line.setMinimumHeight(1);
        line.setBackgroundColor(Color.WHITE);
        line.setPadding(0, 5, 0, 5);
        lineSeparator.addView(line);
        tl.addView(lineSeparator);
        Set<String> headers = p.getAttr().keySet();

    //Till here it works fine. The following code seems to not add more than 1 view

        for (String s: headers) {
            Log.i("S", "S: " + p.getAttr().get(s));
            TableRow tableRow = new TableRow(getApplicationContext());
            TextView textView = new TextView(getApplicationContext());
            textView.setText(s);
            textView.setPadding(20, 5, 20, 5);
            textView.setTextSize(15);
            tableRow.addView(textView);
            textView = new TextView(getApplicationContext());
            textView.setText(p.getAttr().get(s));
            textView.setPadding(20, 5, 20, 5);
            textView.setTextSize(15);
            tableRow.addView(textView); //This view is not rendered.
            tl.addView(tableRow);
        }
    }

但是,我在单独的活动和布局中尝试了以下操作,并且它成功运行。你好是一栏,另一栏是世界。

    for (int i=0; i<5; i++) {
        TableRow tableRow = new TableRow(getApplicationContext());
        TextView textView = new TextView(getApplicationContext());
        textView.setText("Hello");
        tableRow.addView(textView);
        textView = new TextView(getApplicationContext());
        textView.setText("World"); 
        tableRow.addView(textView);
        tableLayout.addView(tableRow);
    }

为什么我的代码不会渲染第二个视图呢?我能够记录两个textview的内容,但它不会渲染行中的第二个视图。请帮忙。我完全迷失了,现在已经在我的头上打了12个小时!!

1 个答案:

答案 0 :(得分:0)

我也想到了问题和解决方案。实际上我的xml只有一个滚动视图和一个表格布局。我添加的前两个文本视图,然后是我添加的表格行,将跨越整个屏幕的宽度,因此表格的第一列将占据屏幕的整个宽度。

   tl.addView(tr1, new TableLayout.LayoutParams(TableLayout.LayoutParams.WRAP_CONTENT, TableLayout.LayoutParams.WRAP_CONTENT));
   tl.addView(tr2, new TableLayout.LayoutParams(TableLayout.LayoutParams.WRAP_CONTENT, TableLayout.LayoutParams.WRAP_CONTENT));

现在我在滚动视图外创建了一个单独的LinearLayout,并将上面这两行的内容添加到LinearLayout中。工作正常!