Get shortcuts on the background

app/src/main/java/eu/faircode/email/ActivityView.java

@@ -20,6 +20,7 @@ package eu.faircode.email;
 */
 
 import android.Manifest;
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.BroadcastReceiver;
@@ -37,6 +38,7 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.Icon;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.ParcelFileDescriptor;
@@ -781,7 +783,15 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.N_MR1)
             return;
 
+        new SimpleTask<List<ShortcutInfo>>() {
+            @Override
+            @TargetApi(Build.VERSION_CODES.N_MR1)
+            protected List<ShortcutInfo> onExecute(Context context, Bundle args) {
                 ShortcutManager sm = (ShortcutManager) getSystemService(Context.SHORTCUT_SERVICE);
+                int count = sm.getMaxShortcutCountPerActivity() - sm.getManifestShortcuts().size();
+                Log.i("Shortcuts count=" + count +
+                        " app=" + sm.getMaxShortcutCountPerActivity() +
+                        " manifest=" + sm.getManifestShortcuts().size());
 
                 List<ShortcutInfo> shortcuts = new ArrayList<>();
 
@@ -803,7 +813,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                             ContactsContract.Contacts.STARRED + " DESC" +
                                     ", " + ContactsContract.Contacts.TIMES_CONTACTED + " DESC" +
                                     ", " + ContactsContract.Contacts.LAST_TIME_CONTACTED + " DESC")) {
-                while (cursor != null && cursor.moveToNext())
+                        while (cursor != null && cursor.moveToNext() && shortcuts.size() < count)
                             try {
                                 long id = cursor.getLong(cursor.getColumnIndex(ContactsContract.RawContacts._ID));
                                 String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
@@ -825,32 +835,43 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
                                         getContentResolver(), uri);
                                 Bitmap bitmap = BitmapFactory.decodeStream(is);
                                 Icon icon = (bitmap == null
-                                ? Icon.createWithResource(this, R.drawable.ic_shortcut_email)
+                                        ? Icon.createWithResource(context, R.drawable.ic_shortcut_email)
                                         : Icon.createWithBitmap(bitmap));
 
-                        Intent intent = new Intent(this, ActivityCompose.class);
+                                Intent intent = new Intent(context, ActivityCompose.class);
                                 intent.setAction(Intent.ACTION_SEND);
                                 intent.setData(Uri.parse("mailto:" + email));
 
                                 shortcuts.add(
-                                new ShortcutInfo.Builder(this, Long.toString(id))
+                                        new ShortcutInfo.Builder(context, Long.toString(id))
                                                 .setIcon(icon)
                                                 .setRank(shortcuts.size() + 1)
                                                 .setShortLabel(name)
                                                 .setIntent(intent)
                                                 .build());
-
-                        if (sm.getManifestShortcuts().size() + shortcuts.size() >= sm.getMaxShortcutCountPerActivity())
-                            break;
                             } catch (Throwable ex) {
                                 Log.e(ex);
                             }
                     }
                 }
 
+                return shortcuts;
+            }
+
+            @Override
+            @TargetApi(Build.VERSION_CODES.N_MR1)
+            protected void onExecuted(Bundle args, List<ShortcutInfo> shortcuts) {
+                ShortcutManager sm = (ShortcutManager) getSystemService(Context.SHORTCUT_SERVICE);
                 sm.setDynamicShortcuts(shortcuts);
             }
 
+            @Override
+            protected void onException(Bundle args, Throwable ex) {
+                Helper.unexpectedError(ActivityView.this, ActivityView.this, ex);
+            }
+        }.execute(this, this, new Bundle(), "shortcuts:get");
+    }
+
     private Intent getIntentInvite() {
         StringBuilder sb = new StringBuilder();
         sb.append(getString(R.string.title_try)).append("\n\n");