Develop Reference

Strange FloatingActionButton tint behaivior

I try to give my FloatingActionButton a background color different than that defined as accentColor in my style. So far I try to do this:
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/floatingActionButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_marginEnd="16dp"
android:layout_marginBottom="#dimen/margin_bottom"
android:backgroundTint="#color/primaryColor"
android:clickable="true"
android:focusable="true"
app:srcCompat="#drawable/ic_baseline_add_24" />
Where this is inside a CoordinatorLayout. This is what i get:
As you can see there is a blue circle around the fab. I don't know how to get rid of it. I also tried to define a style for this fab, but then i got black and it messed up completely. I think it could have to do something with its shadow, but I also don't know how to change it without changing elevation.

Pleas Try this code its use full
<com.rey.material.widget.FloatingActionButton
android:id="#+id/user_add_item_to_card"
android:layout_width="wrap_content"
android:layout_height="60dp"
android:layout_gravity="end"
app:fab_iconSrc="#drawable/ic_add_circle_black_24dp"
app:borderWidth="0dp"
android:background="#FFF">
</com.rey.material.widget.FloatingActionButton>

After a little bit more trying out I got the solution:
You just need to add app:borderWidth="0dp" and it's gone.
Other way to do it is to use app:backgroundTint="".

AndroidX Setting Background Color on Button has NO Effect

I usually set the background color on a button simply in XML using android:background or programatically using setBackgroundColor but now with the AndroidX library (i assume...), these has no effect on the button color
it seems that setting android:backgroundTint is working but this works only for APIs 21 and above
how can i achieve this ?
example:
Shouldnt this produce a layout with a red backgrounded button...
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button android:layout_width="wrap_content" android:layout_height="wrap_content"
android:background="#af2222"/>
</LinearLayout>

I use this in android x instead of <Button and background color will changes
<androidx.appcompat.widget.AppCompatButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textColor="#color/white"
android:background="#color/colorAccent"
android:text="Done"
/>

You need to add style to your button tag as if you are using Androidx with material design.
style="#style/Widget.MaterialComponents.Button"
This style will let you set primaryColor as background color.
So your whole code will look like:
<android.support.design.button.MaterialButton
style="#style/Widget.MaterialComponents.Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Messages"
android:minWidth="200dp"
app:cornerRadius=”16dp”
app:icon="#drawable/ic_action_setting"
app:cornerRadius="#dimen/_16sdp"
app:backgroundTint="#color/colorAccent"
app:iconTint="#color/light_pitch"
app:iconPadding="-12dp"
/>
Cheers!

You can try using: app:backgroundTint="#af2222" and remove android:background="#af2222" it should support <21 also

As svkaka's answer mentioned, i used app:backgroundTint="#af2222" in xml to solve the issue.
Programatically, i used this:
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) statusButton.backgroundTintList = ColorStateList.valueOf(MY_COLOR)
else statusButton.setBackgroundColor(MY_COLOR)
Also to note, this is required on Both material and support design button since the android:background="#fff" on both now seems to have no effect

Floating Action Button appearing as a square

I am currently working on an Android app and using the latest addition of the Floating Action Button. However, after compiling the necessary libraries and adding the fab into my xml file, it appears as a square while I am expecting it to be a circle, just like everywhere else.
I use the same basic code to implement the fab as found online and my result is a square and theirs is a nice circle fab.
Here is my code:
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="end|bottom"
android:layout_margin="16dp"
android:src="#drawable/ic_person_add_black_24dp" />
Here is an screenshot of what is displayed:
How to display the fab (add contact here) as a circle?
Thank you,

Try to set one of appcompat themes for your fab or either for the parent layout: android:theme="#style/Theme.AppCompat"

I don't know if this is what solved it but I stopped working on this project for another one for a little bit & I didn't have this problem on my other project.
AndroidStudio seems to create a square fab if your activity extends Activity and not AppCompatActivity.

Even if your activity extends AppCompatActivity you may also need to build the project (Ctrl+F9) before you can see the preview properly rendered.

Try this XML code, This is auto-generated code by Android studio from the template
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
app:srcCompat="#android:drawable/ic_dialog_email" />
Hope this helps.

You can use material FAB with Theme.MaterialComponents
<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
android:id="#+id/fab_Send"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_centerVertical="true"
android:contentDescription="#string/app_name"
android:gravity="center"
android:text="#string/send"
android:theme="#style/Theme.MaterialComponents"
android:textAllCaps="false"
android:textColor="#color/colorWhite"
android:textSize="#dimen/_12sdp"
app:backgroundTint="#color/colorPrimary"
app:borderWidth="0dp"
android:fontFamily="#font/play_fair_display_black"
app:useCompatPadding="true"
tools:ignore="RelativeOverlap" />
Here is the result
The reason why this happens is that, you are using a different theme for you app other than that is used by the FAB. In my case I am using Theme.AppCompat.Light.NoActionBar for my app but FAB does not supported by this.

Floating action button always displays on top

I am trying to show textview on the top of Floating Action Button. Inside FrameLayout, I have 1 FAB and 1 TextView:
<FrameLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|start"
android:padding="#dimen/fab_margin">
<android.support.design.widget.FloatingActionButton
android:id="#+id/fabAddSeller"
android:layout_width="70dp"
android:layout_height="70dp"
app:backgroundTint="#3780f4"
android:stateListAnimator="#null"/>
<TextView
android:id="#+id/tvSellRecordCount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/sell_record_counter"
android:layout_gravity="top|end"
android:text="12"
android:textColor="#FFFFFF"
android:textSize="10sp" />
</FrameLayout>
According to this answer, I have added
android:stateListAnimator="#null"
to FAB - no difference. I have put TextView after FAB - no effect.
How to show another view on top of FloatingActionButton?

In Android Studio, I could fix after adding an elevation to the text view:
android:elevation="6dp"
It seems that FAB has 5dp of elevation.
However, I'm not sure if this totally works to you since elevation is available for API>=21.
Try to make some tests in real devices...
Maybe, android:stateListAnimator="#null" is enough in real devices/emulator.
UPDATE
After adding app:elevation, this fix started to work with older APIs as well
app:elevation="6dp"
android:elevation="6dp"

Replace FrameLayout with RelativeLayout and add
<android.support.design.widget.FloatingActionButton
...
android:layout_below="#+id/tvSellRecordCount"
...
/>

Setting src and background for FloatingActionButton

When I use background and src in android.support.design.FloatingActionbutton it is not set correctly. Instead it is displayed as
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/pink"
android:src="#drawable/ic_action_barcode_2"
android:layout_gravity="bottom|right"
android:layout_marginBottom="16dp"
android:layout_marginRight="16dp" />
but when I use ImageView it appears correctly as
<ImageView
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/pink"
android:src="#drawable/ic_action_barcode_2"
android:layout_gravity="bottom|right"
android:layout_marginBottom="16dp"
android:layout_marginRight="16dp" />
why is FloatingActionButton is not displayed correctly? What should I change in my code?

Floating action button's background does not need to be changed, you just apply a tint and then add your icon as usual
<android.support.design.widget.FloatingActionButton
...
app:backgroundTint="#color/ic_action_barcode_2"
android:src="#drawable/ic_add" />
This provides you with a round button still but in the colour you desire.
In this case the app namespace is used for the support library features:
xmlns:app="http://schemas.android.com/apk/res-auto"

i faced the similar problem. I tried to set src or background of FloatingActionButton, but couldn't fill the button by src. following code solved problem for me.
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
.
.
.
android:background="#drawable/round_icon"
android:backgroundTintMode="src_over">