Make system bars completely transparent

app/src/main/java/de/trac/spherical/MainActivity.java

@@ -3,6 +3,7 @@ package de.trac.spherical;
 import android.content.Intent;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.design.widget.AppBarLayout;
 import android.support.design.widget.FloatingActionButton;
@@ -15,7 +16,10 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
 import android.widget.Toast;
 
 import java.io.FileNotFoundException;
@@ -38,7 +42,6 @@ public class MainActivity extends AppCompatActivity {
     private Renderer renderer;
     private FloatingActionButton fab;
     private Toolbar toolbar;
-    private AppBarLayout appBarLayout;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -49,10 +52,9 @@ public class MainActivity extends AppCompatActivity {
         toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         getSupportActionBar().setDisplayShowTitleEnabled(false);
-        appBarLayout = (AppBarLayout) findViewById(R.id.lay_toolbar);
+        RelativeLayout.LayoutParams lp = (RelativeLayout.LayoutParams) toolbar.getLayoutParams();
-        AppBarLayout.LayoutParams lp = (AppBarLayout.LayoutParams) toolbar.getLayoutParams();
         lp.topMargin += getStatusBarHeight();
-        appBarLayout.bringToFront();
+        toolbar.bringToFront();
         fab = (FloatingActionButton) findViewById(R.id.fab);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -62,6 +64,11 @@ public class MainActivity extends AppCompatActivity {
             }
         });
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            Window w = getWindow();
+            w.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
+        }
+
         // Initialize renderer and setup surface view.
         LinearLayout container = (LinearLayout) findViewById(R.id.container);
         surfaceView = new SphereSurfaceView(this);
@@ -102,10 +109,10 @@ public class MainActivity extends AppCompatActivity {
     private void displayUI(boolean display) {
         if (display) {
             fab.show();
-            appBarLayout.setExpanded(true, true);
+            toolbar.setVisibility(View.VISIBLE);
         } else {
             fab.setVisibility(View.INVISIBLE);
-            appBarLayout.setExpanded(false, true);
+            toolbar.setVisibility(View.GONE);
         }
     }
 
@@ -223,6 +230,7 @@ public class MainActivity extends AppCompatActivity {
      */
     private void displayFlatImage(InputStream inputStream) {
         Log.d(TAG, "Display Flat Image!");
+        displayPhotoSphere(inputStream, new PhotoSphereMetadata());
     }
 
     public int getStatusBarHeight() {

app/src/main/res/layout/activity_main.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout
+<RelativeLayout
     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"
@@ -9,29 +9,19 @@
     android:fitsSystemWindows="false"
     tools:context="de.trac.spherical.MainActivity">
 
-    <android.support.design.widget.AppBarLayout
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
-        android:id="@+id/lay_toolbar"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:fitsSystemWindows="false"
-        android:background="@android:color/transparent"
-        app:elevation="0dp">
-
     <android.support.v7.widget.Toolbar
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
         android:id="@+id/toolbar"
         android:layout_width="match_parent"
         android:layout_height="?attr/actionBarSize"
+        android:fitsSystemWindows="true"
         android:background="@android:color/transparent"
+        android:layout_alignParentTop="true"
         app:layout_scrollFlags="scroll|enterAlways|snap"
         app:theme="@style/AppTheme.ActionBar"
         app:popupTheme="@style/ThemeOverlay.AppCompat" />
 
-    </android.support.design.widget.AppBarLayout>
-
     <LinearLayout
         android:id="@+id/container"
         android:orientation="vertical"
@@ -45,7 +35,9 @@
         android:id="@+id/fab"
         android:src="@drawable/ic_explore_white_48px"
         app:fabSize="mini"
-        android:layout_gravity="bottom|end"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentEnd="true"
+        android:layout_alignParentRight="true"
         android:layout_marginBottom="64dp"
         android:layout_marginEnd="16dp"
         android:layout_marginRight="16dp"
@@ -54,4 +46,4 @@
         app:layout_anchor="@id/container"
         app:layout_anchorGravity="bottom|right|end" />
 
-</android.support.design.widget.CoordinatorLayout>
+</RelativeLayout>

app/src/main/res/values-v21/styles.xml

@@ -1,2 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources></resources>
+<resources>
+
+    <style name="AppTheme" parent="Theme.AppCompat.NoActionBar">
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+
+        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
+        <item name="android:windowTranslucentNavigation">false</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="windowActionBarOverlay">false</item>
+        <item name="android:windowActionBarOverlay">false</item>
+        <item name="android:fitsSystemWindows">false</item>
+    </style>
+</resources>