javaandroidandroid-layoutandroid-viewandroidx
Why is my layout not filling the screen in landscape mode?
I have the following layout for a video player:
video_view.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.google.android.exoplayer2.ui.AspectRatioFrameLayout
android:id="@+id/aspectRatioLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center">
<SurfaceView
android:id="@+id/surfaceView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<ImageView
android:id="@+id/posterImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:contentDescription="@string/poster_image_description" />
<com.google.android.exoplayer2.ui.SubtitleView
android:id="@+id/subtitleView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<com.google.android.exoplayer2.ui.PlayerControlView
android:id="@+id/nativeControls"
android:layout_width="match_parent"
android:layout_height="match_parent">
</com.google.android.exoplayer2.ui.PlayerControlView>
<com.sdk.adapters.controls.ControlBar
android:id="@+id/controls"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</com.sdk.adapters.controls.ControlBar>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@+id/messageOverlay"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="#80000000">
<TextView
android:id="@+id/messageOverlayText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:text="@string/message_overlay"
android:textColor="@android:color/white"
android:textSize="30sp" />
</FrameLayout>
</FrameLayout>
</com.google.android.exoplayer2.ui.AspectRatioFrameLayout>
</FrameLayout>
The ControlBar is defined as:
control_bar_view.xml
<androidx.constraintlayout.widget.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:background="#80000000">
<!-- BEGIN: Strut -->
<View
android:id="@+id/exitPlaceholder"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.1" />
<!-- END: Strut -->
<TextView
android:id="@+id/broadcastName"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:text="@string/broadcast_name"
android:textColor="#ffffff"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="@id/castButton"
app:layout_constraintStart_toEndOf="@id/exitPlaceholder"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/siteName"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:text="@string/site_name"
android:textColor="#ffffff"
android:textSize="18sp"
app:layout_constraintEnd_toStartOf="@id/castButton"
app:layout_constraintStart_toEndOf="@id/exitPlaceholder"
app:layout_constraintTop_toBottomOf="@id/broadcastName" />
<ImageButton
android:id="@+id/castButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_margin="10dp"
android:contentDescription="@string/send_to_google_chromecast"
android:visibility="invisible"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@id/airplayButton"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@+id/airplayButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_margin="10dp"
android:contentDescription="@string/send_to_apple_airplay"
android:visibility="invisible"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@id/optionsButton"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@+id/optionsButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_margin="10dp"
android:background="@android:color/transparent"
android:contentDescription="@string/fullscreen"
android:scaleType="fitStart"
android:src="@drawable/closed_caption_gray"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@+id/skipBackButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@android:color/transparent"
android:contentDescription="@string/skip_back_button"
android:scaleType="fitStart"
android:src="@drawable/back_30"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@id/playPauseToggle"
app:layout_constraintHeight_percent="0.20"
app:layout_constraintHorizontal_chainStyle="spread"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@+id/playPauseToggle"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@android:color/transparent"
android:contentDescription="@string/play_button"
android:scaleType="fitStart"
android:src="@drawable/play"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toStartOf="@id/skipForwardButton"
app:layout_constraintHeight_percent="0.25"
app:layout_constraintStart_toEndOf="@id/skipBackButton"
app:layout_constraintTop_toTopOf="parent" />
<ImageButton
android:id="@+id/skipForwardButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:background="@android:color/transparent"
android:contentDescription="@string/skip_forward_button"
android:scaleType="fitStart"
android:src="@drawable/forward_30"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHeight_percent="0.20"
app:layout_constraintStart_toEndOf="@id/playPauseToggle"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/currentTime"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_margin="10dp"
android:text="@string/null_time"
android:textColor="#ffffff"
android:textSize="18sp"
app:layout_constraintBottom_toTopOf="@id/seekBar"
app:layout_constraintStart_toStartOf="parent" />
<TextView
android:id="@+id/remainingTime"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_margin="10dp"
android:text="@string/null_time"
android:textColor="#ffffff"
android:textSize="18sp"
app:layout_constraintBottom_toTopOf="@id/seekBar"
app:layout_constraintEnd_toEndOf="parent" />
<SeekBar
android:id="@+id/seekBar"
android:layout_width="0dp"
android:layout_height="0dp"
android:progress="50"
android:progressDrawable="@drawable/seek_bar"
android:thumb="@drawable/seek_thumb"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@id/fullscreenButton"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="@id/fullscreenButton"
app:layout_constraintVertical_bias="0.0" />
<ImageButton
android:id="@+id/fullscreenButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_margin="10dp"
android:background="@android:color/transparent"
android:contentDescription="@string/fullscreen"
android:scaleType="fitStart"
android:src="@drawable/fullscreen"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHeight_percent="0.1" />
</androidx.constraintlayout.widget.ConstraintLayout>
In the layout editor in Android Studio, this looks good:
However when I run an actual app, the ControlBar (and only the ControlBar) isn't filling the screen! Everything else stretches to fill the screen perfectly:
What am I doing wrong?
If it helps, the ControlBar is a custom View which extends ConstraintLayout. Here's what the initialization code looks like:
ControlBar.java
public class ControlBar extends ConstraintLayout
{
private BFPlayer player;
private TextView broadcastName;
// ... references for the various subviews ...
private ImageButton fullscreenButton;
public ControlBar ( Context context )
{
super(context);
init(context);
}
public ControlBar ( Context context, AttributeSet attrs )
{
super(context, attrs);
init(context);
}
public ControlBar ( Context context, AttributeSet attrs, int defStyleAttr )
{
super(context, attrs, defStyleAttr);
init(context);
}
private void init ( Context context )
{
LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.bf_control_bar_view, null);
addView(view);
broadcastName = findViewById(R.id.broadcastName);
// ... grab references to the various buttons ...
fullscreenButton = findViewById(R.id.fullscreenButton);
// ... set up listeners for the various buttons ...
}
// ... The rest of the class ...
}
What am I doing wrong? I'm sure it's something simple, but I've been staring for a minute and can't figure it out. (Note: I'm pretty new to Android development, and not very experienced. My job has me changing platforms and programming languages very often)
Solution
You're not telling it what the parent is when you inflate your View, so it doesn't apply the LayoutParams correctly:
View view = inflater.inflate(R.layout.bf_control_bar_view, null);
addView(view);
Instead, tell it to inflate directly into the parent:
View view = inflater.inflate(R.layout.bf_control_bar_view, this);
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