Floatingactionbutton with Text Instead of Image

FloatingActionButton with text instead of image

With API 28 you can simply add text to Fabs using:

Visit: https://material.io/develop/android/components/extended-floating-action-button/

 <com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_margin="8dp"
      android:contentDescription="@string/extended_fab_content_desc"
      android:text="@string/extended_fab_label"
      app:icon="@drawable/ic_plus_24px"
      app:layout_anchor="@id/app_bar"
      app:layout_anchorGravity="bottom|right|end"/>

Custom Floating Action Button with TextView on top of Image

You can have a transparent FAB, and draw on top of it a layout with your custom Image & TextView;

Similar to FAB, app:layout_anchor & app:layout_anchorGravity can be used on the layout to lay it on top of the FAB.

Here is an implementation:

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/black">

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:id="@+id/coordinator_layout"
        android:layout_width="match_parent"
        android:layout_height="100dp"
        app:layout_constraintBottom_toBottomOf="parent">

        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/fab_cutout"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:alpha="0"
            app:layout_anchor="@id/navigation" />

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingBottom="16dp"
            app:layout_anchor="@id/navigation"
            app:layout_anchorGravity="center_horizontal">

            <com.google.android.material.imageview.ShapeableImageView
                android:layout_width="60dp"
                android:layout_height="60dp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:shapeAppearance="@style/roundedimage"
                app:srcCompat="@drawable/with_cart1" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:text="99"
                android:textColor="@color/white"
                android:textSize="12sp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

        </androidx.constraintlayout.widget.ConstraintLayout>

        <com.google.android.material.bottomappbar.BottomAppBar
            android:id="@+id/navigation"
            style="@style/Widget.MaterialComponents.BottomAppBar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            app:backgroundTint="@android:color/holo_blue_dark"
            app:contentInsetRight="0dp"
            app:contentInsetStart="0dp"
            app:fabCradleMargin="10dp"
            app:fabCradleVerticalOffset="8dp">

            <com.google.android.material.bottomnavigation.BottomNavigationView
                android:id="@+id/bottomNavigation"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                app:backgroundTint="@android:color/transparent"
                app:elevation="0dp"
                app:itemIconTint="@android:color/white"
                app:itemRippleColor="@android:color/white"
                app:itemTextColor="@android:color/white"
                app:labelVisibilityMode="labeled"
                app:menu="@menu/bottom_nav_menu_4" />

        </com.google.android.material.bottomappbar.BottomAppBar>

    </androidx.coordinatorlayout.widget.CoordinatorLayout>

</androidx.constraintlayout.widget.ConstraintLayout>

Result:

Floating action button with text label. Flutter

You can use this flutter package flutter_fab
Or you can refer from this article Create Animated FAB in flutter.

How to add a TextView above a FloatingActionButton in Android

You just need to add an elevation attribute to the textview

 <FrameLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <android.support.design.widget.FloatingActionButton
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:backgroundTint="#00fff0"
        app:borderWidth="0dp"
        android:elevation="0dp"
        app:fabSize="normal" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#000000"
        android:text="above"
        android:elevation="7dp"/>

</FrameLayout>

Add text to FAB in Android

You can try with ExtendedFloatingActionButton.

Extended floating action buttons are used for a special type of
promoted action. They are distinguished by an icon and a text floating
above the UI and have special motion behaviors related to morphing,
launching, and the transferring anchor point.

<com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
          android:layout_width="56dp"
          android:layout_height="56dp"
          android:layout_margin="8dp"
          android:contentDescription="@string/app_name"
          android:text="@string/go"
          android:textAllCaps="true"
          android:padding="8dp"
          app:iconPadding="-3dp"
          android:gravity="center"
          android:drawableTop="@drawable/ic_navigate"
          app:layout_anchorGravity="bottom|right|end"/>

To use an ExtendedFloatingActionButton we need to import the google material components dependency as shown below

 implementation 'com.google.android.material:material:1.1.0'

In Android studio how to let a image in FloatingActionButton center

<com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/fab"
            app:backgroundTint="@color/colortoolbar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="@dimen/fab_margin"
            app:srcCompat="@drawable/world"
            app:fabSize="mini"/>

You are giving different margin sizes.remove them.

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