Run all AsyncTasks on thread pool executor

Should Fix #7002

src/org/thoughtcrime/securesms/ApplicationContext.java

@@ -202,8 +202,7 @@ public class ApplicationContext extends MultiDexApplication implements Dependenc
       }
     };
 
-    if (Build.VERSION.SDK_INT >= 11) task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-    else                             task.execute();
+    task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
 }

src/org/thoughtcrime/securesms/ConfirmIdentityDialog.java

@@ -183,7 +183,7 @@ public class ConfirmIdentityDialog extends AlertDialog {
           }
         }
 
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
       if (callback != null) callback.onClick(null, 0);
     }

src/org/thoughtcrime/securesms/ContactSelectionActivity.java

@@ -116,7 +116,7 @@ public abstract class ContactSelectionActivity extends PassphraseRequiredActionB
 
   @Override
   public void onRefresh() {
-    new RefreshDirectoryTask(this).execute(getApplicationContext());
+    new RefreshDirectoryTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getApplicationContext());
   }
 
   @Override

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -588,7 +588,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
             invalidateOptionsMenu();
             if (fragment != null) fragment.setLastSeen(0);
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     });
   }
@@ -607,7 +607,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     });
   }
@@ -632,7 +632,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleUnblock() {
@@ -655,7 +655,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
                 return null;
               }
-            }.execute();
+            }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
           }
         }).show();
   }
@@ -714,7 +714,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
             protected void onPostExecute(Long result) {
               sendComplete(result);
             }
-          }.execute(endSessionMessage);
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, endSessionMessage);
         }
       }
     });
@@ -786,7 +786,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
                          .setDistributionType(threadId, ThreadDatabase.DistributionTypes.BROADCAST);
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 
@@ -802,7 +802,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
                          .setDistributionType(threadId, ThreadDatabase.DistributionTypes.CONVERSATION);
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 
@@ -1005,7 +1005,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
         updateToggleButtonState();
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private ListenableFuture<Boolean> initializeSecurity(final boolean currentSecureText,
@@ -1043,7 +1043,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         future.set(true);
         onSecurityUpdated();
       }
-    }.execute(recipient);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipient);
 
     return future;
   }
@@ -1091,7 +1091,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       protected void onPostExecute(Boolean isMmsEnabled) {
         ConversationActivity.this.isMmsEnabled = isMmsEnabled;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private ListenableFuture<Boolean> initializeIdentityRecords() {
@@ -1145,7 +1145,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         future.set(true);
       }
 
-    }.execute(recipient);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipient);
 
     return future;
   }
@@ -1427,7 +1427,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         future.set(result);
       }
 
-    }.execute(thisThreadId);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, thisThreadId);
 
     return future;
   }
@@ -1537,7 +1537,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
 
         return null;
       }
-    }.execute(threadId);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadId);
   }
 
   private void markLastSeen() {
@@ -1547,7 +1547,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         DatabaseFactory.getThreadDatabase(ConversationActivity.this).setLastSeen(params[0]);
         return null;
       }
-    }.execute(threadId);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadId);
   }
 
   protected void sendComplete(long threadId) {
@@ -1655,7 +1655,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         sendComplete(result);
         future.set(null);
       }
-    }.execute(outgoingMessage);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, outgoingMessage);
 
     return future;
   }
@@ -1694,7 +1694,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       protected void onPostExecute(Long result) {
         sendComplete(result);
       }
-    }.execute(message);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, message);
   }
 
   private void updateToggleButtonState() {
@@ -1715,7 +1715,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
                        .setDefaultSubscriptionId(recipient, subscriptionId.or(-1));
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   @Override
@@ -1789,7 +1789,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
                   PersistentBlobProvider.getInstance(ConversationActivity.this).delete(result.first);
                   return null;
                 }
-              }.execute();
+              }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
             }
           });
         } catch (InvalidMessageException e) {
@@ -1821,7 +1821,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
             PersistentBlobProvider.getInstance(ConversationActivity.this).delete(result.first);
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
 
       @Override
@@ -1999,7 +1999,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
         protected void onPostExecute(Void result) {
           initializeIdentityRecords();
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 

src/org/thoughtcrime/securesms/ConversationFragment.java

@@ -347,7 +347,7 @@ public class ConversationFragment extends Fragment
 
             return null;
           }
-        }.execute(messageRecords.toArray(new MessageRecord[messageRecords.size()]));
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, messageRecords.toArray(new MessageRecord[messageRecords.size()]));
       }
     });
 
@@ -388,7 +388,7 @@ public class ConversationFragment extends Fragment
         MessageSender.resend(context, masterSecret, messageRecords[0]);
         return null;
       }
-    }.execute(message);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, message);
   }
 
   private void handleSaveAttachment(final MediaMmsMessageRecord message) {
@@ -397,7 +397,7 @@ public class ConversationFragment extends Fragment
         for (Slide slide : message.getSlideDeck().getSlides()) {
           if ((slide.hasImage() || slide.hasVideo() || slide.hasAudio() || slide.hasDocument()) && slide.getUri() != null) {
             SaveAttachmentTask saveTask = new SaveAttachmentTask(getActivity(), masterSecret, list);
-            saveTask.execute(new Attachment(slide.getUri(), slide.getContentType(), message.getDateReceived(), slide.getFileName().orNull()));
+            saveTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, new Attachment(slide.getUri(), slide.getContentType(), message.getDateReceived(), slide.getFileName().orNull()));
             return;
           }
         }

src/org/thoughtcrime/securesms/ConversationItem.java

@@ -493,7 +493,7 @@ public class ConversationItem extends LinearLayout
             expirationManager.scheduleDeletion(id, mms, messageRecord.getExpiresIn());
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     } else {
       this.expirationTimer.setVisibility(View.GONE);

src/org/thoughtcrime/securesms/ConversationListActivity.java

@@ -215,7 +215,7 @@ public class ConversationListActivity extends PassphraseRequiredActionBarActivit
 
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleInvite() {

src/org/thoughtcrime/securesms/ConversationListFragment.java

@@ -197,7 +197,7 @@ public class ConversationListFragment extends Fragment
           reminderView.showReminder(reminder.get());
         }
       }
-    }.execute(getActivity());
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
   }
 
   private void initializeListAdapter() {
@@ -248,7 +248,7 @@ public class ConversationListFragment extends Fragment
           else          DatabaseFactory.getThreadDatabase(getActivity()).archiveConversation(threadId);
         }
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleDeleteAllSelected() {
@@ -294,7 +294,7 @@ public class ConversationListFragment extends Fragment
                 actionMode = null;
               }
             }
-          }.execute();
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         }
       }
     });
@@ -463,7 +463,7 @@ public class ConversationListFragment extends Fragment
           protected void reverseAction(@Nullable Long parameter) {
             DatabaseFactory.getThreadDatabase(getActivity()).archiveConversation(threadId);
           }
-        }.execute(threadId);
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadId);
       } else {
         new SnackbarAsyncTask<Long>(getView(),
                                     getResources().getQuantityString(R.plurals.ConversationListFragment_conversations_archived, 1, 1),
@@ -491,7 +491,7 @@ public class ConversationListFragment extends Fragment
               MessageNotifier.updateNotification(getActivity(), masterSecret);
             }
           }
-        }.execute(threadId);
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadId);
       }
     }
 

src/org/thoughtcrime/securesms/CreateProfileActivity.java

@@ -270,7 +270,7 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
             avatar.setImageDrawable(result.second.asDrawable(CreateProfileActivity.this, 0));
           }
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     } else if (!excludeSystem) {
       SystemProfileUtil.getSystemProfileAvatar(this, new ProfileMediaConstraints()).addListener(new ListenableFuture.Listener<byte[]>() {
         @Override
@@ -398,7 +398,7 @@ public class CreateProfileActivity extends BaseActionBarActivity implements Inje
           Toast.makeText(CreateProfileActivity.this, R.string.CreateProfileActivity_problem_setting_profile, Toast.LENGTH_LONG).show();
         }
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleFinishedLegacy() {

src/org/thoughtcrime/securesms/DatabaseUpgradeActivity.java

@@ -105,7 +105,7 @@ public class DatabaseUpgradeActivity extends BaseActivity {
       ProgressBar determinateProgress   = (ProgressBar)findViewById(R.id.determinate_progress);
 
       new DatabaseUpgradeTask(indeterminateProgress, determinateProgress)
-          .execute(VersionTracker.getLastSeenVersion(this));
+          .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, VersionTracker.getLastSeenVersion(this));
     } else {
       VersionTracker.updateLastSeenVersion(this);
       updateNotifications(this, masterSecret);
@@ -150,7 +150,7 @@ public class DatabaseUpgradeActivity extends BaseActivity {
         MessageNotifier.updateNotification(context, masterSecret);
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   public interface DatabaseUpgradeListener {

src/org/thoughtcrime/securesms/DeviceActivity.java

@@ -2,6 +2,7 @@ package org.thoughtcrime.securesms;
 
 import android.content.Context;
 import android.net.Uri;
+import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Vibrator;
@@ -210,6 +211,6 @@ public class DeviceActivity extends PassphraseRequiredActionBarActivity
 
         getSupportFragmentManager().popBackStackImmediate();
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 }

src/org/thoughtcrime/securesms/DeviceListFragment.java

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms;
 import android.app.Activity;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.v4.app.ListFragment;
 import android.support.v4.app.LoaderManager;
@@ -183,7 +184,7 @@ public class DeviceListFragment extends ListFragment
         super.onPostExecute(result);
         getLoaderManager().restartLoader(0, null, DeviceListFragment.this);
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   @Override

src/org/thoughtcrime/securesms/GroupCreateActivity.java

@@ -18,6 +18,7 @@
 package org.thoughtcrime.securesms;
 
 import android.app.Activity;
+import android.content.AsyncTaskLoader;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.net.Uri;
@@ -171,7 +172,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
   }
 
   private void addSelectedContacts(@NonNull Recipient... recipients) {
-    new AddMembersTask(this).execute(recipients);
+    new AddMembersTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipients);
   }
 
   private void addSelectedContacts(@NonNull Collection<Recipient> recipients) {
@@ -205,7 +206,7 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
     final Address groupAddress = getIntent().getParcelableExtra(GROUP_ADDRESS_EXTRA);
 
     if (groupAddress != null) {
-      new FillExistingGroupInfoAsyncTask(this).execute(groupAddress.toGroupString());
+      new FillExistingGroupInfoAsyncTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, groupAddress.toGroupString());
     }
   }
 
@@ -253,15 +254,15 @@ public class GroupCreateActivity extends PassphraseRequiredActionBarActivity
       return;
     }
     if (isSignalGroup()) {
-      new CreateSignalGroupTask(this, masterSecret, avatarBmp, getGroupName(), getAdapter().getRecipients()).execute();
+      new CreateSignalGroupTask(this, masterSecret, avatarBmp, getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     } else {
-      new CreateMmsGroupTask(this, masterSecret, getAdapter().getRecipients()).execute();
+      new CreateMmsGroupTask(this, masterSecret, getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 
   private void handleGroupUpdate() {
     new UpdateSignalGroupTask(this, masterSecret, groupToUpdate.get().id, avatarBmp,
-                              getGroupName(), getAdapter().getRecipients()).execute();
+                              getGroupName(), getAdapter().getRecipients()).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleOpenConversation(long threadId, Recipient recipient) {

src/org/thoughtcrime/securesms/GroupMembersDialog.java

@@ -49,7 +49,7 @@ public class GroupMembersDialog extends AsyncTask<Void, Void, List<Recipient>> {
   }
 
   public void display() {
-    execute();
+    executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private static class GroupMembersOnClickListener implements DialogInterface.OnClickListener {

src/org/thoughtcrime/securesms/ImportExportFragment.java

@@ -112,7 +112,7 @@ public class ImportExportFragment extends Fragment {
     builder.setPositiveButton(getActivity().getString(R.string.ImportFragment_import), new AlertDialog.OnClickListener() {
       @Override
       public void onClick(DialogInterface dialog, int which) {
-        new ImportPlaintextBackupTask().execute();
+        new ImportPlaintextBackupTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     });
     builder.setNegativeButton(getActivity().getString(R.string.ImportFragment_cancel), null);
@@ -127,7 +127,7 @@ public class ImportExportFragment extends Fragment {
     builder.setPositiveButton(getActivity().getString(R.string.ExportFragment_export), new Dialog.OnClickListener() {
       @Override
       public void onClick(DialogInterface dialog, int which) {
-        new ExportPlaintextTask().execute();
+        new ExportPlaintextTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     });
     builder.setNegativeButton(getActivity().getString(R.string.ExportFragment_cancel), null);

src/org/thoughtcrime/securesms/InviteActivity.java

@@ -5,6 +5,7 @@ import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.os.AsyncTask;
 import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
@@ -116,7 +117,8 @@ public class InviteActivity extends PassphraseRequiredActionBarActivity implemen
 
   private void sendSmsInvites() {
     new SendSmsInvitesAsyncTask(this, inviteText.getText().toString())
-        .execute(contactsFragment.getSelectedContacts()
+        .executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,
+                           contactsFragment.getSelectedContacts()
                                            .toArray(new String[contactsFragment.getSelectedContacts().size()]));
   }
 

src/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -20,6 +20,7 @@ import android.annotation.TargetApi;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
+import android.os.AsyncTask;
 import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
@@ -214,7 +215,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
       public void onClick(DialogInterface dialogInterface, int i) {
         SaveAttachmentTask saveTask = new SaveAttachmentTask(MediaPreviewActivity.this, masterSecret, image);
         long saveDate = (date > 0) ? date : System.currentTimeMillis();
-        saveTask.execute(new Attachment(mediaUri, mediaType, saveDate, null));
+        saveTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, new Attachment(mediaUri, mediaType, saveDate, null));
       }
     });
   }

src/org/thoughtcrime/securesms/MessageDetailsActivity.java

@@ -296,7 +296,7 @@ public class MessageDetailsActivity extends PassphraseRequiredActionBarActivity
     if (messageRecord == null) {
       finish();
     } else {
-      new MessageRecipientAsyncTask(this, messageRecord).execute();
+      new MessageRecipientAsyncTask(this, messageRecord).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 

src/org/thoughtcrime/securesms/MessageRecipientListItem.java

@@ -119,7 +119,7 @@ public class MessageRecipientListItem extends RelativeLayout
         errorDescription.setVisibility(View.GONE);
         actionDescription.setVisibility(View.VISIBLE);
         actionDescription.setText(R.string.message_recipients_list_item__resending);
-        new ResendAsyncTask(masterSecret, record, networkFailure).execute();
+        new ResendAsyncTask(masterSecret, record, networkFailure).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       });
     } else {
       if (record.isOutgoing()) {

src/org/thoughtcrime/securesms/PassphraseChangeActivity.java

@@ -108,7 +108,7 @@ public class PassphraseChangeActivity extends PassphraseActivity {
       this.newPassphrase.setError(getString(R.string.PassphraseChangeActivity_enter_new_passphrase_exclamation));
       this.newPassphrase.requestFocus();
     } else {
-      new ChangePassphraseTask(this).execute(original, passphrase);
+      new ChangePassphraseTask(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, original, passphrase);
     }
   }
 

src/org/thoughtcrime/securesms/PassphraseCreateActivity.java

@@ -47,7 +47,7 @@ public class PassphraseCreateActivity extends PassphraseActivity {
   }
 
   private void initializeResources() {
-    new SecretGenerator().execute(MasterSecretUtil.UNENCRYPTED_PASSPHRASE);
+    new SecretGenerator().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, MasterSecretUtil.UNENCRYPTED_PASSPHRASE);
   }
 
   private class SecretGenerator extends AsyncTask<String, Void, Void> {

src/org/thoughtcrime/securesms/RecipientPreferenceActivity.java

@@ -240,7 +240,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
         toolbarLayout.setTitle(recipient.toShortString());
         toolbarLayout.setContentScrimColor(recipient.getColor().toActionBarColor(RecipientPreferenceActivity.this));
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   @Override
@@ -443,7 +443,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
                            .setRingtone(recipient, params[0]);
             return null;
           }
-        }.execute(value);
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, value);
 
         return false;
       }
@@ -462,7 +462,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
                            .setVibrate(recipient, vibrateState);
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
         return false;
       }
@@ -492,7 +492,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
               }
               return null;
             }
-          }.execute();
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         }
         return true;
       }
@@ -532,7 +532,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
                            .setMuted(recipient, until);
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     }
 
@@ -608,7 +608,7 @@ public class RecipientPreferenceActivity extends PassphraseRequiredActionBarActi
                               .add(new MultiDeviceBlockedUpdateJob(context));
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     }
   }

src/org/thoughtcrime/securesms/RegistrationProgressActivity.java

@@ -557,7 +557,7 @@ public class RegistrationProgressActivity extends BaseActionBarActivity {
             return NETWORK_ERROR;
           }
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 
@@ -646,7 +646,7 @@ public class RegistrationProgressActivity extends BaseActionBarActivity {
             return NETWORK_ERROR;
           }
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
   }

src/org/thoughtcrime/securesms/ShareActivity.java

@@ -134,7 +134,7 @@ public class ShareActivity extends PassphraseRequiredActionBarActivity
     } else {
       fragmentContainer.setVisibility(View.GONE);
       progressWheel.setVisibility(View.VISIBLE);
-      new ResolveMediaTask(context).execute(streamExtra);
+      new ResolveMediaTask(context).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, streamExtra);
     }
   }
 

src/org/thoughtcrime/securesms/VerifyIdentityActivity.java

@@ -288,7 +288,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActionBarActivity
           setFingerprintViews(fingerprint, true);
           getActivity().supportInvalidateOptionsMenu();
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
       setHasOptionsMenu(true);
     }
@@ -617,7 +617,7 @@ public class VerifyIdentityActivity extends PassphraseRequiredActionBarActivity
           }
           return null;
         }
-      }.execute(recipient);
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipient);
     }
   }
 

src/org/thoughtcrime/securesms/components/ZoomingImageView.java

@@ -96,7 +96,7 @@ public class ZoomingImageView extends FrameLayout {
           setSubsamplingImageViewUri(uri);
         }
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void setImageViewUri(MasterSecret masterSecret, Uri uri) {

src/org/thoughtcrime/securesms/components/camera/CameraView.java

@@ -450,7 +450,7 @@ public class CameraView extends ViewGroup {
         Log.w(TAG, "previewFormat: " + camera.getParameters().getPreviewFormat());
         Log.w(TAG, "croppingRect: " + croppingRect.toString());
         Log.w(TAG, "rotation: " + rotation);
-        new CaptureTask(previewSize, rotation, croppingRect).execute(data);
+        new CaptureTask(previewSize, rotation, croppingRect).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, data);
       }
     });
   }

src/org/thoughtcrime/securesms/components/emoji/RecentEmojiPageModel.java

@@ -89,7 +89,7 @@ public class RecentEmojiPageModel implements EmojiPageModel {
 
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private String[] toReversePrimitiveArray(@NonNull LinkedHashSet<String> emojiSet) {

src/org/thoughtcrime/securesms/components/emoji/parsing/EmojiPageBitmap.java

@@ -62,7 +62,7 @@ public class EmojiPageBitmap {
         @Override protected void onPostExecute(Void aVoid) {
           task = null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
     return task;
   }

src/org/thoughtcrime/securesms/components/identity/UntrustedSendDialog.java

@@ -57,7 +57,7 @@ public class UntrustedSendDialog extends AlertDialog.Builder implements DialogIn
       protected void onPostExecute(Void result) {
         resendListener.onResendMessage();
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   public interface ResendListener {

src/org/thoughtcrime/securesms/components/identity/UnverifiedSendDialog.java

@@ -58,7 +58,7 @@ public class UnverifiedSendDialog extends AlertDialog.Builder implements DialogI
       protected void onPostExecute(Void result) {
         resendListener.onResendMessage();
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   public interface ResendListener {

src/org/thoughtcrime/securesms/components/reminder/InviteReminder.java

@@ -26,7 +26,7 @@ public class InviteReminder extends Reminder {
             DatabaseFactory.getRecipientDatabase(context).setSeenInviteReminder(recipient, true);
             return null;
           }
-        }.execute();
+        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
       }
     });
   }

src/org/thoughtcrime/securesms/components/webrtc/WebRtcCallScreen.java

@@ -302,7 +302,7 @@ public class WebRtcCallScreen extends FrameLayout implements RecipientModifiedLi
       protected void onPostExecute(final ContactPhoto contactPhoto) {
         WebRtcCallScreen.this.photo.setImageDrawable(contactPhoto.asCallCard(context));
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
     this.name.setText(recipient.getName());
 

src/org/thoughtcrime/securesms/giph/net/GiphyProxySelector.java

@@ -36,7 +36,7 @@ public class GiphyProxySelector extends ProxySelector {
           }
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     } else {
       initializeGiphyProxy();
     }

src/org/thoughtcrime/securesms/giph/ui/GiphyActivity.java

@@ -126,7 +126,7 @@ public class GiphyActivity extends PassphraseRequiredActionBarActivity
           Log.w(TAG, "Resolved Uri is no longer the selected element...");
         }
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private static class GiphyFragmentPagerAdapter extends FragmentPagerAdapter {

src/org/thoughtcrime/securesms/giph/ui/GiphyFragment.java

@@ -117,7 +117,7 @@ public abstract class GiphyFragment extends Fragment implements LoaderManager.Lo
         protected void onPostExecute(List<GiphyImage> images) {
           giphyAdapter.addImages(images);
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 }

src/org/thoughtcrime/securesms/mms/AttachmentManager.java

@@ -303,7 +303,7 @@ public class AttachmentManager {
         Log.w(TAG, "local slide with size " + mediaSize + " took " + (System.currentTimeMillis() - start) + "ms");
         return mediaType.createSlide(context, uri, fileName, mimeType, mediaSize);
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   public boolean isAttachmentPresent() {

src/org/thoughtcrime/securesms/notifications/AndroidAutoHeardReceiver.java

@@ -71,7 +71,7 @@ public class AndroidAutoHeardReceiver extends MasterSecretBroadcastReceiver {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 }

src/org/thoughtcrime/securesms/notifications/AndroidAutoReplyReceiver.java

@@ -93,7 +93,7 @@ public class AndroidAutoReplyReceiver extends MasterSecretBroadcastReceiver {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 

src/org/thoughtcrime/securesms/notifications/DeleteNotificationReceiver.java

@@ -35,7 +35,7 @@ public class DeleteNotificationReceiver extends BroadcastReceiver {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 }

src/org/thoughtcrime/securesms/notifications/MarkReadReceiver.java

@@ -61,7 +61,7 @@ public class MarkReadReceiver extends MasterSecretBroadcastReceiver {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 

src/org/thoughtcrime/securesms/notifications/MessageNotifier.java

@@ -518,7 +518,7 @@ public class MessageNotifier {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 

src/org/thoughtcrime/securesms/notifications/RemoteReplyReceiver.java

@@ -86,7 +86,7 @@ public class RemoteReplyReceiver extends MasterSecretBroadcastReceiver {
 
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
   }

src/org/thoughtcrime/securesms/preferences/AdvancedPreferenceFragment.java

@@ -6,6 +6,7 @@ import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.net.Uri;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.provider.ContactsContract;
 import android.support.annotation.NonNull;
@@ -218,7 +219,7 @@ public class AdvancedPreferenceFragment extends CorrectedPreferenceFragment {
         builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
           @Override
           public void onClick(DialogInterface dialog, int which) {
-            new DisablePushMessagesTask((CheckBoxPreference)preference).execute();
+            new DisablePushMessagesTask((CheckBoxPreference)preference).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
           }
         });
         builder.show();

src/org/thoughtcrime/securesms/preferences/MmsPreferencesFragment.java

@@ -53,7 +53,7 @@ public class MmsPreferencesFragment extends CorrectedPreferenceFragment {
   @Override
   public void onResume() {
     super.onResume();
-    new LoadApnDefaultsTask().execute();
+    new LoadApnDefaultsTask().executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private class LoadApnDefaultsTask extends AsyncTask<Void, Void, LegacyMmsConnection.Apn> {

src/org/thoughtcrime/securesms/preferences/NotificationsPreferenceFragment.java

@@ -106,7 +106,7 @@ public class NotificationsPreferenceFragment extends ListSummaryPreferenceFragme
           MessageNotifier.updateNotification(getActivity(), masterSecret);
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
       return super.onPreferenceChange(preference, value);
     }

src/org/thoughtcrime/securesms/preferences/widgets/ProfilePreference.java

@@ -87,7 +87,7 @@ public class ProfilePreference extends Preference {
       protected void onPostExecute(@NonNull Drawable contactPhoto) {
         avatarView.setImageDrawable(contactPhoto);
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
     if (!TextUtils.isEmpty(profileName)) {
       profileNameView.setText(profileName);

src/org/thoughtcrime/securesms/preferences/widgets/RingtonePreferenceDialogFragmentCompat.java

@@ -314,7 +314,7 @@ public class RingtonePreferenceDialogFragmentCompat extends PreferenceDialogFrag
             }
           }
         };
-        installTask.execute(fileUri);
+        installTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, fileUri);
       } else {
         ListView listView = ((AlertDialog) getDialog()).getListView();
         listView.setItemChecked(selectedIndex, true);

src/org/thoughtcrime/securesms/profiles/SystemProfileUtil.java

@@ -56,7 +56,7 @@ public class SystemProfileUtil {
         future.set(result);
       }
 
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
     return future;
   }
@@ -101,7 +101,7 @@ public class SystemProfileUtil {
       protected void onPostExecute(@Nullable String result) {
         future.set(result);
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
     return future;
   }

src/org/thoughtcrime/securesms/profiles/UnknownSenderView.java

@@ -54,7 +54,7 @@ public class UnknownSenderView extends FrameLayout {
               if (threadId != -1) DatabaseFactory.getThreadDatabase(context).setHasSent(threadId, true);
               return null;
             }
-          }.execute();
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         })
         .setNegativeButton(android.R.string.cancel, null)
         .show();
@@ -95,7 +95,7 @@ public class UnknownSenderView extends FrameLayout {
               if (threadId != -1) DatabaseFactory.getThreadDatabase(context).setHasSent(threadId, true);
               return null;
             }
-          }.execute();
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         })
         .setNegativeButton(android.R.string.cancel, null)
         .show();

src/org/thoughtcrime/securesms/push/AccountManagerFactory.java

@@ -33,7 +33,7 @@ public class AccountManagerFactory {
           }
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
     return new SignalServiceAccountManager(new SignalServiceNetworkAccess(context).getConfiguration(number),

src/org/thoughtcrime/securesms/scribbles/ScribbleActivity.java

@@ -165,7 +165,7 @@ public class ScribbleActivity extends PassphraseRequiredActionBarActivity implem
             protected void onPostExecute(@Nullable Bitmap bitmap) {
               addSticker(bitmap);
             }
-          }.execute();
+          }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
         }
       }
     }

src/org/thoughtcrime/securesms/scribbles/widget/ScribbleView.java

@@ -135,7 +135,7 @@ public class ScribbleView extends FrameLayout {
         canvasView.render(canvas);
         future.set(bitmap);
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
     return future;
   }

src/org/thoughtcrime/securesms/service/KeyCachingService.java

@@ -115,7 +115,7 @@ public class KeyCachingService extends Service {
           }
           return null;
         }
-      }.execute();
+      }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
   }
 
@@ -204,7 +204,7 @@ public class KeyCachingService extends Service {
         MessageNotifier.updateNotification(KeyCachingService.this, null);
         return null;
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   private void handleDisableService() {

src/org/thoughtcrime/securesms/util/IdentityUtil.java

@@ -62,7 +62,7 @@ public class IdentityUtil {
       protected void onPostExecute(Optional<IdentityRecord> result) {
         future.set(result);
       }
-    }.execute(recipient);
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, recipient);
 
     return future;
   }

src/org/thoughtcrime/securesms/util/Trimmer.java

@@ -12,7 +12,7 @@ import org.thoughtcrime.securesms.database.ThreadDatabase;
 public class Trimmer {
 
   public static void trimAllThreads(Context context, int threadLengthLimit) {
-    new TrimmingProgressTask(context).execute(threadLengthLimit);
+    new TrimmingProgressTask(context).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, threadLengthLimit);
   }
 
   private static class TrimmingProgressTask extends AsyncTask<Integer, Integer, Void> implements ThreadDatabase.ProgressListener {

src/org/thoughtcrime/securesms/util/task/SnackbarAsyncTask.java

@@ -85,7 +85,7 @@ public abstract class SnackbarAsyncTask<Params>
           progressDialog = null;
         }
       }
-    }.execute();
+    }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
   }
 
   protected abstract void executeAction(@Nullable Params parameter);