我添加到LinearLayout中的TextView不是visible...why吗?layoutVenues.addView(genTextView(v.getName()));和genTextView方法: TextView tv = new TextView(this);
tv.setText(text);
android.text.Layout.drawText(Layout.java:519) at android.widget.TextView.onDraw(TextView.java:7765) at android.view.View.updateDisplayListIfDirtyZygote.java:327)