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Code Issues Projects Releases Packages Wiki Activity Actions 1

Simplify AddAccount task

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This commit is contained in:
Mikel 2017-08-18 17:35:24 +01:00
parent 6b80bec3c9
commit f2e8891db9
1 changed files with 19 additions and 56 deletions
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75
app/src/main/java/fr/free/nrw/commons/auth/AuthenticatedActivity.java
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@ -3,13 +3,8 @@ package fr.free.nrw.commons.auth;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.os.AsyncTask;
import android.os.Bundle;
import java.io.IOException;
import fr.free.nrw.commons.CommonsApplication;
import fr.free.nrw.commons.theme.NavigationBaseActivity;
import io.reactivex.Single;
@ -37,50 +32,25 @@ public abstract class AuthenticatedActivity extends NavigationBaseActivity {
cookie -> onAuthCookieAcquired(cookie),
throwable -> onAuthFailure());
}
private class AddAccountTask extends AsyncTask<Void, String, String> {
private AccountManager accountManager;
public AddAccountTask(AccountManager accountManager) {
this.accountManager = accountManager;
}
@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
if(result != null) {
Account[] allAccounts = accountManager.getAccountsByType(accountType);
Account curAccount = allAccounts[0];
getAuthCookie(curAccount, accountManager);
} else {
onAuthFailure();
}
}
@Override
protected String doInBackground(Void... params) {
AccountManagerFuture<Bundle> resultFuture = accountManager.addAccount(accountType, null, null, null, AuthenticatedActivity.this, null, null);
Bundle result;
try {
result = resultFuture.getResult();
} catch (OperationCanceledException e) {
e.printStackTrace();
return null;
} catch (AuthenticatorException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
if(result.containsKey(AccountManager.KEY_ACCOUNT_NAME)) {
return result.getString(AccountManager.KEY_ACCOUNT_NAME);
} else {
return null;
}
}
private void addAccount(AccountManager accountManager) {
Single.just(accountManager.addAccount(accountType, null, null, null, AuthenticatedActivity.this, null, null))
.subscribeOn(Schedulers.io())
.map(AccountManagerFuture::getResult)
.doOnEvent((bundle, throwable) -> {
if (bundle.containsKey(AccountManager.KEY_ACCOUNT_NAME)) {
throw new RuntimeException();
}
})
.map(bundle -> bundle.getString(AccountManager.KEY_ACCOUNT_NAME))
.doOnError(Timber::e)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(s -> {
Account[] allAccounts = accountManager.getAccountsByType(accountType);
Account curAccount = allAccounts[0];
getAuthCookie(curAccount, accountManager);
},
throwable -> onAuthFailure());
}
protected void requestAuthToken() {
@ -91,14 +61,7 @@ public abstract class AuthenticatedActivity extends NavigationBaseActivity {
AccountManager accountManager = AccountManager.get(this);
Account curAccount = app.getCurrentAccount();
if(curAccount == null) {
AddAccountTask addAccountTask = new AddAccountTask(accountManager);
// This AsyncTask blocks until the Login Activity returns
// And since in Android 4.x+ only one background thread runs all AsyncTasks
// And since LoginActivity can't return until it's own AsyncTask (that does the login)
// returns, we have a deadlock!
// Fixed by explicitly asking this to be executed in parallel
// See: https://groups.google.com/forum/?fromgroups=#!topic/android-developers/8M0RTFfO7-M
addAccountTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
addAccount(accountManager);
} else {
getAuthCookie(curAccount, accountManager);
}