fixed crashes when activity got destroyed when selecting pgp key

src/main/java/eu/siacs/conversations/ui/ConversationActivity.java

@@ -17,6 +17,7 @@ import android.provider.MediaStore;
 import android.support.v4.widget.SlidingPaneLayout;
 import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
 import android.util.Log;
+import android.util.Pair;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -109,6 +110,7 @@ public class ConversationActivity extends XmppActivity
 
 	private boolean mActivityPaused = false;
 	private AtomicBoolean mRedirected = new AtomicBoolean(false);
+	private Pair<Integer, Intent> mPostponedActivityResult;
 
 	public Conversation getSelectedConversation() {
 		return this.mSelectedConversation;
@@ -1101,6 +1103,7 @@ public class ConversationActivity extends XmppActivity
 			mPendingFileUris.clear();
 			mPendingGeoUri = null;
 			setSelectedConversation(conversationList.get(0));
+			mPostponedActivityResult = null;
 			this.mConversationFragment.reInit(getSelectedConversation());
 		} else {
 			this.mConversationFragment.messageListAdapter.updatePreferences();
@@ -1108,6 +1111,10 @@ public class ConversationActivity extends XmppActivity
 			this.mConversationFragment.setupIme();
 		}
 
+		if (this.mPostponedActivityResult != null) {
+			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
+		}
+
 		if(!forbidProcessingPendings) {
 			for (Iterator<Uri> i = mPendingImageUris.iterator(); i.hasNext(); i.remove()) {
 				Uri foo = i.next();
@@ -1208,14 +1215,24 @@ public class ConversationActivity extends XmppActivity
 			if (requestCode == REQUEST_DECRYPT_PGP) {
 				mConversationFragment.onActivityResult(requestCode, resultCode, data);
 			} else if (requestCode == REQUEST_CHOOSE_PGP_ID) {
+				if (xmppConnectionServiceBound) {
 					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
 						mSelectedConversation.getAccount().setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
 						announcePgp(mSelectedConversation.getAccount(), null);
 					} else {
 						choosePgpSignId(mSelectedConversation.getAccount());
 					}
+					this.mPostponedActivityResult = null;
+				} else {
+					this.mPostponedActivityResult = new Pair<>(requestCode, data);
+				}
 			} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
+				if (xmppConnectionServiceBound) {
 					announcePgp(mSelectedConversation.getAccount(), null);
+					this.mPostponedActivityResult = null;
+				} else {
+					this.mPostponedActivityResult = new Pair<>(requestCode, data);
+				}
 			} else if (requestCode == ATTACHMENT_CHOICE_CHOOSE_IMAGE) {
 				mPendingImageUris.clear();
 				mPendingImageUris.addAll(extractUriFromIntent(data));

src/main/java/eu/siacs/conversations/ui/ManageAccountActivity.java

@@ -9,6 +9,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.security.KeyChain;
 import android.security.KeyChainAliasCallback;
+import android.util.Pair;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.view.Menu;
@@ -30,17 +31,25 @@ import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.services.XmppConnectionService;
 import eu.siacs.conversations.services.XmppConnectionService.OnAccountUpdate;
 import eu.siacs.conversations.ui.adapter.AccountAdapter;
+import eu.siacs.conversations.xmpp.jid.InvalidJidException;
+import eu.siacs.conversations.xmpp.jid.Jid;
+
 import org.openintents.openpgp.util.OpenPgpApi;
 
 public class ManageAccountActivity extends XmppActivity implements OnAccountUpdate, KeyChainAliasCallback, XmppConnectionService.OnAccountCreated {
 
+	private final String STATE_SELECTED_ACCOUNT = "selected_account";
+
 	protected Account selectedAccount = null;
+	protected Jid selectedAccountJid = null;
 
 	protected final List<Account> accountList = new ArrayList<>();
 	protected ListView accountListView;
 	protected AccountAdapter mAccountAdapter;
 	protected AtomicBoolean mInvokedAddAccount = new AtomicBoolean(false);
 
+	protected Pair<Integer, Intent> mPostponedActivityResult = null;
+
 	@Override
 	public void onAccountUpdate() {
 		refreshUi();
@@ -68,6 +77,17 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 
 		setContentView(R.layout.manage_accounts);
 
+		if (savedInstanceState != null) {
+			String jid = savedInstanceState.getString(STATE_SELECTED_ACCOUNT);
+			if (jid != null) {
+				try {
+					this.selectedAccountJid = Jid.fromString(jid);
+				} catch (InvalidJidException e) {
+					this.selectedAccountJid = null;
+				}
+			}
+		}
+
 		accountListView = (ListView) findViewById(R.id.account_list);
 		this.mAccountAdapter = new AccountAdapter(this, accountList);
 		accountListView.setAdapter(this.mAccountAdapter);
@@ -83,12 +103,19 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 	}
 
 	@Override
-	public void onCreateContextMenu(ContextMenu menu, View v,
+	public void onSaveInstanceState(final Bundle savedInstanceState) {
-			ContextMenuInfo menuInfo) {
+		if (selectedAccount != null) {
+			savedInstanceState.putString(STATE_SELECTED_ACCOUNT, selectedAccount.getJid().toBareJid().toString());
+		}
+		super.onSaveInstanceState(savedInstanceState);
+	}
+
+	@Override
+	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
 		super.onCreateContextMenu(menu, v, menuInfo);
 		ManageAccountActivity.this.getMenuInflater().inflate(
 				R.menu.manageaccounts_context, menu);
-		AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
+		AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
 		this.selectedAccount = accountList.get(acmi.position);
 		if (this.selectedAccount.isOptionSet(Account.OPTION_DISABLED)) {
 			menu.findItem(R.id.mgmt_account_disable).setVisible(false);
@@ -103,7 +130,13 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 
 	@Override
 	void onBackendConnected() {
+		if (selectedAccountJid != null) {
+			this.selectedAccount = xmppConnectionService.findAccountByJid(selectedAccountJid);
+		}
 		refreshUiReal();
+		if (this.mPostponedActivityResult != null) {
+			this.onActivityResult(mPostponedActivityResult.first, RESULT_OK, mPostponedActivityResult.second);
+		}
 		if (Config.X509_VERIFICATION && this.accountList.size() == 0) {
 			if (mInvokedAddAccount.compareAndSet(false, true)) {
 				addAccountFromKey();
@@ -149,7 +182,7 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 				deleteAccount(selectedAccount);
 				return true;
 			case R.id.mgmt_account_announce_pgp:
-			choosePgpSignId(selectedAccount);
+				publishOpenPGPPublicKey(selectedAccount);
 				return true;
 			default:
 				return super.onContextItemSelected(item);
@@ -284,7 +317,7 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 
 	private void publishOpenPGPPublicKey(Account account) {
 		if (ManageAccountActivity.this.hasPgp()) {
-			announcePgp(account, null);
+			choosePgpSignId(selectedAccount);
 		} else {
 			this.showInstallPgpDialog();
 		}
@@ -312,6 +345,7 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 		super.onActivityResult(requestCode, resultCode, data);
 		if (resultCode == RESULT_OK) {
+			if (xmppConnectionServiceBound) {
 				if (requestCode == REQUEST_CHOOSE_PGP_ID) {
 					if (data.getExtras().containsKey(OpenPgpApi.EXTRA_SIGN_KEY_ID)) {
 						selectedAccount.setPgpSignId(data.getExtras().getLong(OpenPgpApi.EXTRA_SIGN_KEY_ID));
@@ -322,6 +356,10 @@ public class ManageAccountActivity extends XmppActivity implements OnAccountUpda
 				} else if (requestCode == REQUEST_ANNOUNCE_PGP) {
 					announcePgp(selectedAccount, null);
 				}
+				this.mPostponedActivityResult = null;
+			} else {
+				this.mPostponedActivityResult = new Pair<>(requestCode, data);
+			}
 		}
 	}