Java 如何以编程方式在Android中制作水平线
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How to make horizontal line in Android programmatically
提问by Deron
I am trying to fill linear layout programmatically like this
我正在尝试像这样以编程方式填充线性布局
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT
);
params.setMargins(dpToPx(6), 0, 0, 0);
kac.setLayoutParams(params);
LinearLay.addView(kac);
and I want to add (after every TextView (like kac)) a horizontal line like this one I have in my xml
我想添加（在每个 TextView（如 kac）之后）一条水平线，就像我在我的 xml 中
<View
android:layout_width="fill_parent"
android:layout_height="1dip"
android:background="#B3B3B3"
android:padding="10dp"
/>
采纳答案by vipul mittal
View v = new View(this);
v.setLayoutParams(new LinearLayout.LayoutParams(
LayoutParams.MATCH_PARENT,
5
));
v.setBackgroundColor(Color.parseColor("#B3B3B3"));
LinearLay.addView(v);
回答by trippedout
edit* example:
编辑*示例：
@Override
protected void onDraw(Canvas canvas)
{
//this would draw the textview normally
super.onDraw(canvas);
//this would add the line that you wanted to add at the bottom of your view
//but you would want to create your rect and paint outside of the draw call
//after onmeasure/onlayout is called so you have proper dimensions
canvas.drawRect(new Rect(0, this.getHeight()-1, this.getWidth(), this.getHeight()), mPaint);
}
if i understand that you are just looking to draw a line after every textview, your best bet is probably to just extend TextView with a custom class, overriding the onDraw method, adding a paint call to draw the line yourself
如果我知道您只是想在每个 textview 后画一条线，那么最好的办法可能是使用自定义类扩展 TextView，覆盖 onDraw 方法，添加一个绘制调用来自己画线
回答by Andrew Matuk
you just need to set style (background) to your TextViews, making Views to in this case is a waste
你只需要为你的 TextViews 设置样式（背景），在这种情况下制作 Views 是一种浪费
回答by balysv
I recommend creating a drawable containing the line and setting it as a background to your textview. You would avoid unnecessary views.
我建议创建一个包含线条的可绘制对象并将其设置为文本视图的背景。您将避免不必要的视图。
Sample drawable could be:
可绘制样本可能是：
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle">
<solid android:color="#LINE_COLOR"/>
<padding
android:bottom="1dp"
/>
</shape>
</item>
<item>
<shape android:shape="rectangle">
<solid android:color="#BACKGROUND_COLOR"/>
</shape>
</item>
</layer-list>
And you can set it by
你可以设置它
textView.setBackgroundResource(R.drawable.resource)
