Android: Fix native fileDialog not waiting for user selection

Add an event loop to wait for user file selection in native fileDialog

Task-number: QTBUG-77214
Change-Id: I3d97d6c3f46cf2a8ed0ee6f98e555e8d62e12cc3
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
Reviewed-by: Andy Shaw <andy.shaw@qt.io>

2 files changed, 5 insertions, 0 deletions

diff --git a/src/plugins/platforms/android/qandroidplatformfiledialoghelper.cpp b/src/plugins/platforms/android/qandroidplatformfiledialoghelper.cpp
index 7585b7eb95..fb979ab6cc 100644
--- a/src/plugins/platforms/android/qandroidplatformfiledialoghelper.cpp
+++ b/src/plugins/platforms/android/qandroidplatformfiledialoghelper.cpp
@@ -100,10 +100,13 @@ bool QAndroidPlatformFileDialogHelper::show(Qt::WindowFlags windowFlags, Qt::Win
 
 void QAndroidPlatformFileDialogHelper::exec()
 {
+    m_eventLoop.exec(QEventLoop::DialogExec);
 }
 
 void QAndroidPlatformFileDialogHelper::hide()
 {
+    if (m_eventLoop.isRunning())
+        m_eventLoop.exit();
     QtAndroidPrivate::unregisterActivityResultListener(this);
 }
 
diff --git a/src/plugins/platforms/android/qandroidplatformfiledialoghelper.h b/src/plugins/platforms/android/qandroidplatformfiledialoghelper.h
index e445aa2fef..5cd26af7c9 100644
--- a/src/plugins/platforms/android/qandroidplatformfiledialoghelper.h
+++ b/src/plugins/platforms/android/qandroidplatformfiledialoghelper.h
@@ -41,6 +41,7 @@
 #define QANDROIDPLATFORMFILEDIALOGHELPER_H
 
 #include <jni.h>
+#include <QEventLoop>
 #include <qpa/qplatformdialoghelper.h>
 #include <QtCore/private/qjnihelpers_p.h>
 
@@ -72,6 +73,7 @@ public:
     bool handleActivityResult(jint requestCode, jint resultCode, jobject data) override;
 
 private:
+    QEventLoop m_eventLoop;
     QUrl m_selectedFile;
 };