How to set the white color to google+ log in button?

Question

I am using google+ login for my app. I want to change the color of button from red to white.Here is my xml code.

<com.google.android.gms.common.SignInButton
    android:id="@+id/btn_sign_in"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_below="@+id/logo"
    android:layout_centerHorizontal="true"
    android:layout_marginTop="30dp" 

    >

Answer 1

Try this way

signInButton = (SignInButton) findViewById(R.id.signInButton);
        signInButton.setSize(SignInButton.SIZE_STANDARD);
        signInButton.setColorScheme(SignInButton.COLOR_LIGHT);

Answer 2

<!-- white button -->
<com.google.android.gms.common.SignInButton
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:colorScheme="light" />

<!-- blue button -->
<com.google.android.gms.common.SignInButton
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    app:colorScheme="dark" />