diff --git a/src/gui/kernel/qplatformintegration.cpp b/src/gui/kernel/qplatformintegration.cpp
index 70de75072c..8a0540efc2 100644
--- a/src/gui/kernel/qplatformintegration.cpp
+++ b/src/gui/kernel/qplatformintegration.cpp
@@ -210,6 +210,11 @@ QPlatformServices *QPlatformIntegration::services() const
     \value ForeignWindows The platform allows creating QWindows which represent
     native windows created by other processes or anyway created by using native
     libraries.
+
+    \value NonFullScreenWindows The platform supports top-level windows which do not
+    fill the screen. The default implementation returns true. Returning false for
+    this will cause all windows, including dialogs and popups, to be resized to fill the
+    screen.
  */
 
 
@@ -227,8 +232,7 @@ QPlatformServices *QPlatformIntegration::services() const
 
 bool QPlatformIntegration::hasCapability(Capability cap) const
 {
-    Q_UNUSED(cap);
-    return false;
+    return cap == NonFullScreenWindows;
 }
 
 QPlatformPixmap *QPlatformIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const
diff --git a/src/gui/kernel/qplatformintegration.h b/src/gui/kernel/qplatformintegration.h
index ddee6f05c8..bee2ba0caf 100644
--- a/src/gui/kernel/qplatformintegration.h
+++ b/src/gui/kernel/qplatformintegration.h
@@ -90,7 +90,8 @@ public:
         WindowMasks,
         MultipleWindows,
         ApplicationState,
-        ForeignWindows
+        ForeignWindows,
+        NonFullScreenWindows
     };
 
     virtual ~QPlatformIntegration() { }
diff --git a/src/plugins/platforms/android/src/androidjnimain.cpp b/src/plugins/platforms/android/src/androidjnimain.cpp
index cd7fa25da7..162a8aa977 100644
--- a/src/plugins/platforms/android/src/androidjnimain.cpp
+++ b/src/plugins/platforms/android/src/androidjnimain.cpp
@@ -559,7 +559,6 @@ static void setSurface(JNIEnv *env, jobject /*thiz*/, jobject jSurface)
         m_surfaceMutex.unlock();
         m_androidPlatformIntegration->surfaceChanged();
     } else if (m_androidPlatformIntegration && sameNativeWindow) {
-        QAndroidOpenGLPlatformWindow *window = m_androidPlatformIntegration->primaryWindow();
         QPlatformScreen *screen = m_androidPlatformIntegration->screen();
         QSize size = QtAndroid::nativeWindowSize();
 
@@ -567,13 +566,19 @@ static void setSurface(JNIEnv *env, jobject /*thiz*/, jobject jSurface)
         QWindowSystemInterface::handleScreenAvailableGeometryChange(screen->screen(), geometry);
         QWindowSystemInterface::handleScreenGeometryChange(screen->screen(), geometry);
 
-        if (window != 0) {
-            window->lock();
-            window->scheduleResize(size);
+        // Resize all top level windows, since they share the same surface
+        foreach (QWindow *w, QGuiApplication::topLevelWindows()) {
+            QAndroidOpenGLPlatformWindow *window =
+                    static_cast<QAndroidOpenGLPlatformWindow *>(w->handle());
 
-            QWindowSystemInterface::handleExposeEvent(window->window(),
-                                                      QRegion(window->window()->geometry()));
-            window->unlock();
+            if (window != 0) {
+                window->lock();
+                window->scheduleResize(size);
+
+                QWindowSystemInterface::handleExposeEvent(window->window(),
+                                                          QRegion(window->window()->geometry()));
+                window->unlock();
+            }
         }
 
         m_surfaceMutex.unlock();
diff --git a/src/plugins/platforms/android/src/opengl/qandroidopenglcontext.cpp b/src/plugins/platforms/android/src/opengl/qandroidopenglcontext.cpp
index aa8ee57341..4d741807d0 100644
--- a/src/plugins/platforms/android/src/opengl/qandroidopenglcontext.cpp
+++ b/src/plugins/platforms/android/src/opengl/qandroidopenglcontext.cpp
@@ -62,16 +62,16 @@ void QAndroidOpenGLContext::swapBuffers(QPlatformSurface *surface)
 {
     QEglFSContext::swapBuffers(surface);
 
-    QAndroidOpenGLPlatformWindow *primaryWindow = m_platformIntegration->primaryWindow();
-    if (primaryWindow == surface) {
-        primaryWindow->lock();
-        QSize size = primaryWindow->scheduledResize();
+    if (surface->surface()->surfaceClass() == QSurface::Window) {
+        QAndroidOpenGLPlatformWindow *window = static_cast<QAndroidOpenGLPlatformWindow *>(surface);
+        window->lock();
+        QSize size = window->scheduledResize();
         if (size.isValid()) {
             QRect geometry(QPoint(0, 0), size);
-            primaryWindow->setGeometry(geometry);
-            primaryWindow->scheduleResize(QSize());
+            window->setGeometry(geometry);
+            window->scheduleResize(QSize());
         }
-        primaryWindow->unlock();
+        window->unlock();
     }
 }
 
diff --git a/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.cpp b/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.cpp
index 15c6559157..5362906e0e 100644
--- a/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.cpp
+++ b/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.cpp
@@ -45,11 +45,21 @@
 
 QT_BEGIN_NAMESPACE
 
+EGLSurface QAndroidOpenGLPlatformWindow::m_staticSurface = 0;
+EGLNativeWindowType QAndroidOpenGLPlatformWindow::m_staticNativeWindow = 0;
+QReadWriteLock QAndroidOpenGLPlatformWindow::m_staticSurfaceLock;
+QBasicAtomicInt QAndroidOpenGLPlatformWindow::m_referenceCount = Q_BASIC_ATOMIC_INITIALIZER(0);
+
 QAndroidOpenGLPlatformWindow::QAndroidOpenGLPlatformWindow(QWindow *window)
     : QEglFSWindow(window)
 {
 }
 
+QAndroidOpenGLPlatformWindow::~QAndroidOpenGLPlatformWindow()
+{
+    destroy();
+}
+
 bool QAndroidOpenGLPlatformWindow::isExposed() const
 {
     return QtAndroid::nativeWindow(false) != 0 && QEglFSWindow::isExposed();
@@ -60,11 +70,57 @@ void QAndroidOpenGLPlatformWindow::invalidateSurface()
     QWindowSystemInterface::handleExposeEvent(window(), QRegion()); // Obscure event
     QWindowSystemInterface::flushWindowSystemEvents();
     QEglFSWindow::invalidateSurface();
+
+    m_window = 0;
+    m_surface = 0;
+
+    if (!m_referenceCount.deref()){
+        QWriteLocker locker(&m_staticSurfaceLock);
+
+        EGLDisplay display = (static_cast<QEglFSScreen *>(window()->screen()->handle()))->display();
+        eglDestroySurface(display, m_staticSurface);
+
+        m_staticSurface = 0;
+        m_staticNativeWindow = 0;
+    }
 }
 
 void QAndroidOpenGLPlatformWindow::resetSurface()
 {
-    QEglFSWindow::resetSurface();
+    m_referenceCount.ref();
+    if (m_staticSurface == 0) {
+        QWriteLocker locker(&m_staticSurfaceLock);
+        QEglFSWindow::resetSurface();
+        m_staticSurface = m_surface;
+        m_staticNativeWindow = m_window;
+    } else {
+        QReadLocker locker(&m_staticSurfaceLock);
+        Q_ASSERT(m_staticSurface != m_surface);
+        m_window = m_staticNativeWindow;
+        m_surface = m_staticSurface;
+    }
+
+    QWindowSystemInterface::handleExposeEvent(window(), QRegion(geometry())); // Expose event
+    QWindowSystemInterface::flushWindowSystemEvents();
+}
+
+void QAndroidOpenGLPlatformWindow::destroy()
+{
+    if (!m_referenceCount.deref()) {
+        QEglFSWindow::destroy();
+    } else {
+        m_window = 0;
+        m_surface = 0;
+    }
+}
+
+void QAndroidOpenGLPlatformWindow::raise()
+{
+}
+
+void QAndroidOpenGLPlatformWindow::setVisible(bool visible)
+{
+    QEglFSWindow::setVisible(visible);
     QWindowSystemInterface::handleExposeEvent(window(), QRegion(geometry())); // Expose event
     QWindowSystemInterface::flushWindowSystemEvents();
 }
diff --git a/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.h b/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.h
index b835cb3246..36a110e1a8 100644
--- a/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.h
+++ b/src/plugins/platforms/android/src/opengl/qandroidopenglplatformwindow.h
@@ -44,6 +44,7 @@
 
 #include "qeglfswindow.h"
 #include <QtCore/qmutex.h>
+#include <QtCore/qreadwritelock.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -51,6 +52,7 @@ class QAndroidOpenGLPlatformWindow : public QEglFSWindow
 {
 public:
     QAndroidOpenGLPlatformWindow(QWindow *window);
+    ~QAndroidOpenGLPlatformWindow();
 
     QSize scheduledResize() const { return m_scheduledResize; }
     void scheduleResize(const QSize &size) { m_scheduledResize = size; }
@@ -60,12 +62,23 @@ public:
 
     bool isExposed() const;
 
+    void raise();
+
     void invalidateSurface();
     void resetSurface();
 
+    void setVisible(bool visible);
+
+    void destroy();
+
 private:
     QSize m_scheduledResize;
     QMutex m_lock;
+
+    static QReadWriteLock m_staticSurfaceLock;
+    static EGLSurface m_staticSurface;
+    static EGLNativeWindowType m_staticNativeWindow;
+    static QBasicAtomicInt m_referenceCount;
 };
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/android/src/opengl/qeglfshooks_android.cpp b/src/plugins/platforms/android/src/opengl/qeglfshooks_android.cpp
index 4734d47eb3..005758d83d 100644
--- a/src/plugins/platforms/android/src/opengl/qeglfshooks_android.cpp
+++ b/src/plugins/platforms/android/src/opengl/qeglfshooks_android.cpp
@@ -96,6 +96,7 @@ QDpi QEglFSAndroidHooks::logicalDpi() const
 
 EGLNativeWindowType QEglFSAndroidHooks::createNativeWindow(const QSize &size, const QSurfaceFormat &format)
 {
+    Q_UNUSED(size);
     ANativeWindow *window = QtAndroid::nativeWindow();
     if (window != 0)
         ANativeWindow_acquire(window);
diff --git a/src/plugins/platforms/android/src/qandroidplatformintegration.cpp b/src/plugins/platforms/android/src/qandroidplatformintegration.cpp
index cbd0f26835..3de6c47ad0 100644
--- a/src/plugins/platforms/android/src/qandroidplatformintegration.cpp
+++ b/src/plugins/platforms/android/src/qandroidplatformintegration.cpp
@@ -43,6 +43,7 @@
 #include "qabstracteventdispatcher.h"
 #include "androidjnimain.h"
 #include <QtGui/private/qpixmap_raster_p.h>
+#include <QtGui/qguiapplication.h>
 #include <qpa/qwindowsysteminterface.h>
 #include <QThread>
 #include <qpa/qplatformwindow.h>
@@ -85,9 +86,6 @@ void *QAndroidPlatformNativeInterface::nativeResourceForIntegration(const QByteA
 
 QAndroidPlatformIntegration::QAndroidPlatformIntegration(const QStringList &paramList)
     : m_touchDevice(0)
-#ifdef ANDROID_PLUGIN_OPENGL
-    , m_primaryWindow(0)
-#endif
 {
     Q_UNUSED(paramList);
 
@@ -116,6 +114,7 @@ bool QAndroidPlatformIntegration::hasCapability(Capability cap) const
 {
     switch (cap) {
         case ThreadedPixmaps: return true;
+        case NonFullScreenWindows: return false;
         default:
 #ifndef ANDROID_PLUGIN_OPENGL
         return QPlatformIntegration::hasCapability(cap);
@@ -143,28 +142,32 @@ QAbstractEventDispatcher *QAndroidPlatformIntegration::guiThreadEventDispatcher(
 #else // !ANDROID_PLUGIN_OPENGL
 QPlatformWindow *QAndroidPlatformIntegration::createPlatformWindow(QWindow *window) const
 {
-    if (m_primaryWindow != 0) {
-        qWarning("QAndroidPlatformIntegration::createPlatformWindow: Unsupported case: More than "
-                 "one top-level window created.");
-    }
-
-    m_primaryWindow = new QAndroidOpenGLPlatformWindow(window);
-    m_primaryWindow->requestActivateWindow();
+    QAndroidOpenGLPlatformWindow *platformWindow = new QAndroidOpenGLPlatformWindow(window);
+    platformWindow->create();
+    platformWindow->requestActivateWindow();
     QtAndroidMenu::setActiveTopLevelWindow(window);
 
-    return m_primaryWindow;
+    return platformWindow;
 }
 
 void QAndroidPlatformIntegration::invalidateNativeSurface()
 {
-    if (m_primaryWindow != 0)
-        m_primaryWindow->invalidateSurface();
+    foreach (QWindow *w, QGuiApplication::topLevelWindows()) {
+        QAndroidOpenGLPlatformWindow *window =
+                static_cast<QAndroidOpenGLPlatformWindow *>(w->handle());
+        if (window != 0)
+            window->invalidateSurface();
+    }
 }
 
 void QAndroidPlatformIntegration::surfaceChanged()
 {
-    if (m_primaryWindow != 0)
-        m_primaryWindow->resetSurface();
+    foreach (QWindow *w, QGuiApplication::topLevelWindows()) {
+        QAndroidOpenGLPlatformWindow *window =
+                static_cast<QAndroidOpenGLPlatformWindow *>(w->handle());
+        if (window != 0)
+            window->resetSurface();
+    }
 }
 
 QPlatformOpenGLContext *QAndroidPlatformIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
diff --git a/src/plugins/platforms/android/src/qandroidplatformintegration.h b/src/plugins/platforms/android/src/qandroidplatformintegration.h
index 3f8cc5a809..8da9fb2ff4 100644
--- a/src/plugins/platforms/android/src/qandroidplatformintegration.h
+++ b/src/plugins/platforms/android/src/qandroidplatformintegration.h
@@ -95,7 +95,6 @@ public:
     QPlatformWindow *createPlatformWindow(QWindow *window) const;
     void invalidateNativeSurface();
     void surfaceChanged();
-    QAndroidOpenGLPlatformWindow *primaryWindow() const { return m_primaryWindow; }
     QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const;
 #endif
 
@@ -138,8 +137,6 @@ private:
 #ifndef ANDROID_PLUGIN_OPENGL
     QAbstractEventDispatcher *m_eventDispatcher;
     QAndroidPlatformScreen *m_primaryScreen;
-#else
-    mutable QAndroidOpenGLPlatformWindow *m_primaryWindow;
 #endif
 
     QThread *m_mainThread;
diff --git a/src/widgets/kernel/qwidget_qpa.cpp b/src/widgets/kernel/qwidget_qpa.cpp
index 8c31d4ad26..fdc72ee23c 100644
--- a/src/widgets/kernel/qwidget_qpa.cpp
+++ b/src/widgets/kernel/qwidget_qpa.cpp
@@ -52,6 +52,7 @@
 #include <qpa/qplatformopenglcontext.h>
 #include <qpa/qplatformintegration.h>
 #include "QtGui/private/qwindow_p.h"
+#include "QtGui/private/qguiapplication_p.h"
 
 #include <qpa/qplatformcursor.h>
 #include <QtGui/QGuiApplication>
@@ -675,6 +676,16 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
         h = qMax(h,extra->minh);
     }
 
+    if (q->isWindow() && q->windowHandle()) {
+        QPlatformIntegration *integration = QGuiApplicationPrivate::platformIntegration();
+        if (!integration->hasCapability(QPlatformIntegration::NonFullScreenWindows)) {
+            x = 0;
+            y = 0;
+            w = q->windowHandle()->width();
+            h = q->windowHandle()->height();
+        }
+    }
+
     QPoint oldp = q->geometry().topLeft();
     QSize olds = q->size();
     QRect r(x, y, w, h);
@@ -720,7 +731,7 @@ void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove)
                     q->windowHandle()->setGeometry(QRect(posInNativeParent,r.size()));
                 }
                 const QWidgetBackingStore *bs = maybeBackingStore();
-                if (bs->store) {
+                if (bs && bs->store) {
                     if (isResize)
                         bs->store->resize(r.size());
                 }