Hello, I'm trying to use Elevation on the buttons on the following screen:
Butitisnotworking,Elevationisnotformingashadow.
FollowtheXML:
<?xmlversion="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="kiraitami.krtbeta03.MainActivity">
<android.support.v7.widget.Toolbar
android:id="@+id/toobar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="23dp"
android:background="#13000000"
android:elevation="3dp"
android:minHeight="?attr/actionBarSize"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="@+id/bg_mountain"
android:layout_width="462dp"
android:layout_height="777dp"
android:scaleType="centerCrop"
android:src="@drawable/mountain"
app:layout_constraintBottom_toTopOf="parent"
app:layout_constraintEnd_toStartOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent" />
<ImageView
android:id="@+id/bg_diagonal"
android:layout_width="match_parent"
android:layout_height="485dp"
android:scaleType="centerCrop"
android:src="@drawable/diagonal"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="parent"
app:layout_constraintHorizontal_bias="0.231"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/bg_mountain"
app:layout_constraintVertical_bias="0.818" />
<Button
android:id="@+id/btn_damage"
android:layout_width="311dp"
android:layout_height="38dp"
android:elevation="20dp"
android:clipToPadding="false"
android:layout_marginBottom="212dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:background="@drawable/damagebtn"
android:onClick="startDamageActivity"
android:text="BOTAO 1"
android:textAppearance="@style/TextAppearance.AppCompat"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.14"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="@+id/btn_audio"
android:layout_width="311dp"
android:layout_height="38dp"
android:layout_marginBottom="80dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:background="@drawable/audiobtn"
android:elevation="10dp"
android:text="BOTAO 3"
android:textAppearance="@style/TextAppearance.AppCompat"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.14"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="@+id/btn_notes2"
android:layout_width="311dp"
android:layout_height="38dp"
android:layout_marginBottom="144dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:background="@drawable/notesbtn"
android:elevation="8dp"
android:text="BOTAO 2"
android:textAppearance="@style/TextAppearance.AppCompat"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.14"
app:layout_constraintStart_toStartOf="parent" />
<Button
android:id="@+id/button4"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:background="@android:drawable/ic_lock_power_off"
android:elevation="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
</android.support.constraint.ConstraintLayout>
PS: The only place elevation is working is in the Toolbar
What should I do to fix this?