Handle exceptions when accessing android clipboard

In some circumstances android throws an exception or returns null,
when trying to access the clipboard.

Fixes: QTBUG-80689
Change-Id: I92c134e2a002fc648ff966e15a19eb3307c428a1
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
(cherry picked from commit 287b570ad5c00eb491f86eab0c4b8d3f6d96f666)
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

src/android/jar/src/org/qtproject/qt5/android/QtNative.java

@@ -724,28 +724,37 @@ public class QtNative
 
     public static boolean hasClipboardText()
     {
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getText() != null)
                         return true;
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         return false;
     }
 
     private static String getClipboardText()
     {
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getText() != null)
                         return primaryClip.getItemAt(i).getText().toString();
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         return "";
     }
 
     private static void updatePrimaryClip(ClipData clipData)
     {
+        try {
             if (m_usePrimaryClip) {
                 ClipData clip = m_clipboardManager.getPrimaryClip();
                 if (Build.VERSION.SDK_INT >= 26) {
@@ -773,6 +782,9 @@ public class QtNative
                 m_clipboardManager.setPrimaryClip(clipData);
                 m_usePrimaryClip = true;
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to set clipboard data", e);
+        }
     }
 
     private static void setClipboardHtml(String text, String html)
@@ -785,23 +797,31 @@ public class QtNative
 
     public static boolean hasClipboardHtml()
     {
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getHtmlText() != null)
                         return true;
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         return false;
     }
 
     private static String getClipboardHtml()
     {
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getHtmlText() != null)
                         return primaryClip.getItemAt(i).getHtmlText().toString();
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         return "";
     }
 
@@ -816,24 +836,32 @@ public class QtNative
 
     public static boolean hasClipboardUri()
     {
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getUri() != null)
                         return true;
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         return false;
     }
 
     private static String[] getClipboardUris()
     {
         ArrayList<String> uris = new ArrayList<String>();
+        try {
             if (m_clipboardManager != null && m_clipboardManager.hasPrimaryClip()) {
                 ClipData primaryClip = m_clipboardManager.getPrimaryClip();
                 for (int i = 0; i < primaryClip.getItemCount(); ++i)
                     if (primaryClip.getItemAt(i).getUri() != null)
                         uris.add(primaryClip.getItemAt(i).getUri().toString());
             }
+        } catch (Exception e) {
+            Log.e(QtTAG, "Failed to get clipboard data", e);
+        }
         String[] strings = new String[uris.size()];
         strings = uris.toArray(strings);
         return strings;