Reputation: 1
<?xml version="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"
android:padding="30dp">
<TextView
android:id="@+id/callInfo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:textSize="22sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.3"
tools:text="••••••••••" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.3"
tools:text="••••••••••"
android:layout_marginTop="60dp"
android:textSize="42sp"
android:background="#eeeeee"/>
<Button
android:id="@+id/answer"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Answer"
android:background="@color/colorPrimary"
android:textColor="#ffffff"
app:layout_constraintBaseline_toBaselineOf="@+id/hangup"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/hangup" />
<Button
android:id="@+id/hangup"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hang up"
android:background="@color/colorAccent"
android:textColor="#ffffff"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/answer"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/callInfo" />
</android.support.constraint.ConstraintLayout>
I'm creating a simple calling application, where item layout are image and textview inside a constraint layout. However, when I run app in android deveice, the text view is not shown on the screen. Can someone please help me out. Thanks in advance.
Upvotes: 0
Views: 154
Reputation: 86
Just replace tools:text="••••••••••"
with android:text="••••••••••"
or set a text programmatically :-)
Upvotes: 2