Standard Android Button with a different color

I'd like to change the color of a standard Android button slightly in order to better match a client's branding.

The best way I've found to do this so far is to change the Button's drawable to the drawable located in res/drawable/red_button.xml:

But doing that requires that I actually create three different drawables for each button I want to customize (one for the button at rest, one when focused, and one when pressed). That seems more complicated and non-DRY than I need.

All I really want to do is apply some sort of color transform to the button. Is there an easier way to go about changing a button's color than I'm doing?

Answer

I discovered that this can all be done in one file fairly easily. Put something like the following code in a file named custom_button.xml and then set background="@drawable/custom_button" in your button view:

    xmlns:android="http://schemas.android.com/apk/res/android">

    
        
                            android:startColor="@color/yellow1"
                android:endColor="@color/yellow2"
                android:angle="270" />
            
                android:width="3dp"
                android:color="@color/grey05" />
                            android:radius="3dp" />
                            android:left="10dp"
                android:top="10dp"
                android:right="10dp"
                android:bottom="10dp" />
        

    

    
        
                            android:endColor="@color/orange4"
                android:startColor="@color/orange5"
                android:angle="270" />
                            android:width="3dp"

                android:color="@color/grey05" />
                            android:radius="3dp" />
                            android:left="10dp"
                android:top="10dp"
                android:right="10dp"
                android:bottom="10dp" />
        
    



            
        
                            android:endColor="@color/blue2"
                android:startColor="@color/blue25"
                android:angle="270" />
                            android:width="3dp"
                android:color="@color/grey05" />

                            android:radius="3dp" />
                            android:left="10dp"
                android:top="10dp"
                android:right="10dp"
                android:bottom="10dp" />