在我调用setCompoundDrawables方法后,复合Drawable没有显示。

Drawable myDrawable = getResources().getDrawable(R.drawable.btn);
btn.setCompoundDrawables(myDrawable, null, null, null);

任何想法吗?


当前回答

在芬兰湾的科特林:

1)设置可绘制:

val drawable = ContextCompat.getDrawable(context!!,R.drawable.ic_image)?.apply {
    setBounds(0, 0, intrinsicWidth, intrinsicHeight)
}

or

val drawable = ResourcesCompat.getDrawable(resources, R.drawable.ic_image, null)?.apply {
    setBounds(0, 0, minimumWidth, minimumHeight)
}

2)设置TextView:

textView.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null)

or

button.setCompoundDrawables(null, drawable, null, null)

其他回答

在芬兰湾的科特林:

1)设置可绘制:

val drawable = ContextCompat.getDrawable(context!!,R.drawable.ic_image)?.apply {
    setBounds(0, 0, intrinsicWidth, intrinsicHeight)
}

or

val drawable = ResourcesCompat.getDrawable(resources, R.drawable.ic_image, null)?.apply {
    setBounds(0, 0, minimumWidth, minimumHeight)
}

2)设置TextView:

textView.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null)

or

button.setCompoundDrawables(null, drawable, null, null)

我需要使用setCompoundDrawablesWithIntrinsicBounds。

图像是空白的,因为它没有指定的边界。你可以使用setCompoundDrawables(),但在指定图像的边界之前,使用Drawable.setBounds()方法

在API 22中已弃用。

这段代码对我很有用:

Drawable drawable = ResourcesCompat.getDrawable(getResources(),R.drawable.wen, null);
drawable.setBounds(0, 0, drawable.getMinimumWidth(),
drawable.getMinimumHeight());
tv.setCompoundDrawables(drawable, null, null, null);

使用这个(我测试过)。效果很好

Drawable image = context.getResources().getDrawable( R.drawable.ic_action );
int h = image.getIntrinsicHeight(); 
int w = image.getIntrinsicWidth();   
image.setBounds( 0, 0, w, h );
button.setCompoundDrawables( image, null, null, null );