Reputation: 11293
I want to set background drawable of a view. There are two methods for this (as far as I see): setBackground
and setBackgroundDrawable
.
When I use setBackground
, it says it has been added in API level 16 but my project's min SDK version is 7. I assume it's not going to work on anything below 16, am I right? But when I use setBackgroundDrawable, it says it's deprecated.
What am I supposed to use?
Upvotes: 260
Views: 215530
Reputation: 11
This works for me: View view is your editText, spinner...etc. And int drawable is your drawable route example (R.drawable.yourDrawable)
public void verifyDrawable (View view, int drawable){
int sdk = Build.VERSION.SDK_INT;
if(sdk < Build.VERSION_CODES.JELLY_BEAN) {
view.setBackgroundDrawable(
ContextCompat.getDrawable(getContext(),drawable));
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.setBackground(getResources().getDrawable(drawable));
}
}
Upvotes: 1
Reputation: 4030
Now you can use either of those options. And it is going to work in any case. Your color can be a HEX code, like this:
myView.setBackgroundResource(ContextCompat.getColor(context, Color.parseColor("#FFFFFF")));
A color resource, like this:
myView.setBackgroundResource(ContextCompat.getColor(context,R.color.blue_background));
Or a custom xml resource, like so:
myView.setBackgroundResource(R.drawable.my_custom_background);
Hope it helps!
Upvotes: 7
Reputation: 11537
Using Android studio 1.5.1 i got the following warnings:
Call requires API level 16 (current min is 9): android.view.View#setBackground
and the complaints about deprecation
'setBackgroundDrawable(android.graphics.drawable.Drawable)' is deprecated
Using this format, i got rid of both:
if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.JELLY_BEAN) {
//noinspection deprecation
layout.setBackgroundDrawable(drawable);
} else {
layout.setBackground(drawable);
}
Upvotes: 7
Reputation: 848
you could use setBackgroundResource()
instead i.e. relativeLayout.setBackgroundResource(R.drawable.back);
this works for me.
Upvotes: 12
Reputation: 56
I also had this problem, but I made a workaround using a ImageView.
Try using a RelativeLayout and add a ImageView inside it (width and height: fill_parent, scaleType: center).
Also make sure the imageview is the first element inside the RelativeLayout, so it will act as background.
Upvotes: -2
Reputation: 130
You can also do this:
try {
myView.getClass().getMethod(android.os.Build.VERSION.SDK_INT >= 16 ? "setBackground" : "setBackgroundDrawable", Drawable.class).invoke(myView, myBackgroundDrawable);
} catch (Exception ex) {
// do nothing
}
EDIT: Just as pointed out by @BlazejCzapp it is preferable to avoid using reflection if you can manage to solve the problem without it. I had a use case where I was unable to solve without reflection but that is not case above. For more information please take a look at http://docs.oracle.com/javase/tutorial/reflect/index.html
Upvotes: -4
Reputation: 116332
seems that currently there is no difference between the 2 functions, as shown on the source code (credit to this post) :
public void setBackground(Drawable background) {
//noinspection deprecation
setBackgroundDrawable(background);
}
@Deprecated
public void setBackgroundDrawable(Drawable background) { ... }
so it's just a naming decision, similar to the one with fill-parent vs match-parent .
Upvotes: 55
Reputation: 1284
You can use setBackgroundResource()
instead which is in API level 1.
Upvotes: 111
Reputation: 1042
i know this is an old question but i have a similar situation ,and my solution was
button.setBackgroundResource( R.drawable.ic_button );
Drawable d = button.getBackground();
and then you can play with the "Drawable", applying color filters, etc
Upvotes: 19
Reputation: 28152
It's deprecated but it still works so you could just use it. But if you want to be completly correct, just for the completeness of it... You'd do something like following:
int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
setBackgroundDrawable();
} else {
setBackground();
}
For this to work you need to set buildTarget api 16 and min build to 7 or something similar.
Upvotes: 405