Java android FloatingActionButton set image and color

Question

I want to do this : FloatingActionButton I want to set an Image and change color to : GREEN . I try do this :

 <com.smok.maps.fab.FloatingActionButton
            android:id="@+id/list"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/ikona2"
            android:tint="@color/green"
            app:layout_anchor="@id/mapview"
            app:layout_anchorGravity="bottom|left|end" />

But this floatingActionButton still is red

You are changing the `tint`, aren't you supposed to change the background(tint)? — Zun, Apr 20 '18 at 12:19
I mean for FloatingActionButton which Github library , you are using — Farhana Naaz Ansari, Apr 20 '18 at 12:21
@ZUNJAE I did this but It doesn't work I have : java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable()' on a null object reference — kpokrywja, Apr 20 '18 at 12:22
@RahulMandaliya Whhen I did this I see this : java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.drawable.Drawable android.graphics.drawable.Drawable$ConstantState.newDrawable()' on a null object reference — kpokrywja, Apr 20 '18 at 12:23
You have an issue somewhere else I guess. What does the onCreate look like from your Activity? — Zun, Apr 20 '18 at 12:24
see my answer **i set button *or* background color** @kpokrywja — Ali, Apr 20 '18 at 12:25
here is explanation of your problem https://stackoverflow.com/questions/30870443/inflateexception-with-floatingactionbutton-from-official-design-library#answer-30895974 — Rahul Mandaliya, Apr 20 '18 at 12:29
see your question you want to change background color and set image so i provide code @kpokrywja — Ali, Apr 20 '18 at 12:37

score 1 · Answer 1 · answered Apr 20 '18 at 12:21

Pragmatically you can change background color:

aBu.setBackgroundTintList(ColorStateList.valueOf(getResources().getColor(R.color.white)));

in xml you can use :

app:backgroundTint="@color/red"

Or Set a Button using below code:

aBu.setImageResource(R.drawable.ic_image_name);

Tomin B Azhakathu · Answer 2 · 2018-04-20T12:29:44.897

Try app:backgroundTint .FloatingActionButton is from support library so you must use app namespace. android namespace can lead to crash or improper working

android is usually used for attribute coming from Android SDK itself.

app is often used if you are using the support library.

<com.smok.maps.fab.FloatingActionButton
            android:id="@+id/list"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/ikona2"
            app:backgroundTint="@color/green"
            app:layout_anchor="@id/mapview"
            app:layout_anchorGravity="bottom|left|end" />

For setting Image try:

floatingActionButoon.setImageResource(R.drawable.ic_image_name);

score -1 · Answer 3 · answered Apr 20 '18 at 12:21

-1

I Hope this will work for you.

Instead of this

android:tint="@color/green"

Use

android:backgroundTint="#008000"

answered Apr 20 '18 at 12:21

GParekar

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Java android FloatingActionButton set image and color

3 Answers3