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Fix NPE in AccountSettingsFragment.

Browse source 
Bug 19773815.

Change-Id: Ib5eb27cdf385c81d1a3822836f424fa29c0bbaa8
This commit is contained in:
Dan Zivkovic 2015-03-16 15:26:36 -07:00
parent 52dafe8c32
commit bff393ce13
3 changed files with 120 additions and 66 deletions
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43
java/src/com/android/inputmethod/latin/settings/AccountsSettingsFragment.java
View file

@ -119,24 +119,34 @@ public final class AccountsSettingsFragment extends SubScreenFragment {
removeSyncPreferences();
} else {
disableSyncPreferences();
final AsyncTask<Void, Void, Void> checkManagedProfileTask =
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
if (ManagedProfileUtils.hasManagedWorkProfile(getActivity())) {
removeSyncPreferences();
} else {
enableSyncPreferences();
}
return null;
}
};
checkManagedProfileTask.execute();
new ManagedProfileCheckerTask(this).execute();
}
}
private static class ManagedProfileCheckerTask extends AsyncTask<Void, Void, Void> {
private final AccountsSettingsFragment mFragment;
private ManagedProfileCheckerTask(final AccountsSettingsFragment fragment) {
mFragment = fragment;
}
@Override
protected Void doInBackground(Void... params) {
if (ManagedProfileUtils.getInstance().hasManagedWorkProfile(mFragment.getActivity())) {
mFragment.removeSyncPreferences();
} else {
mFragment.enableSyncPreferences();
}
return null;
}
}
private void enableSyncPreferences() {
mAccountSwitcher = findPreference(PREF_ACCCOUNT_SWITCHER);
if (mAccountSwitcher == null) {
// Preference has been removed because the device has a managed profile.
return;
}
mAccountSwitcher.setEnabled(true);
mEnableSyncPreference = (TwoStatePreference) findPreference(PREF_ENABLE_SYNC_NOW);
@ -154,6 +164,10 @@ public final class AccountsSettingsFragment extends SubScreenFragment {
private void disableSyncPreferences() {
mAccountSwitcher = findPreference(PREF_ACCCOUNT_SWITCHER);
if (mAccountSwitcher == null) {
// Preference has been removed because the device has a managed profile.
return;
}
mAccountSwitcher.setEnabled(false);
mEnableSyncPreference = (TwoStatePreference) findPreference(PREF_ENABLE_SYNC_NOW);
@ -211,6 +225,9 @@ public final class AccountsSettingsFragment extends SubScreenFragment {
if (accountsForLogin.length > 0) {
enableSyncPreferences();
if (mAccountSwitcher == null) {
return;
}
mAccountSwitcher.setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(final Preference preference) {

16
java/src/com/android/inputmethod/latin/utils/ManagedProfileUtils.java
View file

@ -23,6 +23,8 @@ import android.os.UserHandle;
import android.os.UserManager;
import android.util.Log;
import com.android.inputmethod.annotations.UsedForTesting;
import java.util.List;
/**
@ -32,16 +34,28 @@ public class ManagedProfileUtils {
private static final boolean DEBUG = false;
private static final String TAG = ManagedProfileUtils.class.getSimpleName();
private static ManagedProfileUtils INSTANCE = new ManagedProfileUtils();
private static ManagedProfileUtils sTestInstance;
private ManagedProfileUtils() {
// This utility class is not publicly instantiable.
}
@UsedForTesting
public static void setTestInstance(final ManagedProfileUtils testInstance) {
sTestInstance = testInstance;
}
public static ManagedProfileUtils getInstance() {
return sTestInstance == null ? INSTANCE : sTestInstance;
}
/**
* Note that {@link UserManager#getUserProfiles} has been introduced
* in API level 21 (Build.VERSION_CODES.LOLLIPOP).
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static boolean hasManagedWorkProfile(final Context context) {
public boolean hasManagedWorkProfile(final Context context) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
return false;
}

127
tests/src/com/android/inputmethod/latin/settings/AccountsSettingsFragmentTests.java
View file

@ -16,7 +16,12 @@
package com.android.inputmethod.latin.settings;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.test.ActivityInstrumentationTestCase2;
@ -24,6 +29,11 @@ import android.test.suitebuilder.annotation.MediumTest;
import android.view.View;
import android.widget.ListView;
import com.android.inputmethod.latin.utils.ManagedProfileUtils;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@ -33,6 +43,8 @@ public class AccountsSettingsFragmentTests
private static final String FRAG_NAME = AccountsSettingsFragment.class.getName();
private static final long TEST_TIMEOUT_MILLIS = 5000;
@Mock private ManagedProfileUtils mManagedProfileUtils;
public AccountsSettingsFragmentTests() {
super(TestFragmentActivity.class);
}
@ -40,11 +52,22 @@ public class AccountsSettingsFragmentTests
@Override
protected void setUp() throws Exception {
super.setUp();
// Initialize the mocks.
MockitoAnnotations.initMocks(this);
ManagedProfileUtils.setTestInstance(mManagedProfileUtils);
Intent intent = new Intent();
intent.putExtra(TestFragmentActivity.EXTRA_SHOW_FRAGMENT, FRAG_NAME);
setActivityIntent(intent);
}
@Override
public void tearDown() throws Exception {
ManagedProfileUtils.setTestInstance(null);
super.tearDown();
}
public void testEmptyAccounts() {
final AccountsSettingsFragment fragment =
(AccountsSettingsFragment) getActivity().mFragment;
@ -61,36 +84,26 @@ public class AccountsSettingsFragmentTests
DialogHolder() {}
}
public void testMultipleAccounts_noCurrentAccount() {
public void testMultipleAccounts_noSettingsForManagedProfile() {
when(mManagedProfileUtils.hasManagedWorkProfile(any(Context.class))).thenReturn(true);
final AccountsSettingsFragment fragment =
(AccountsSettingsFragment) getActivity().mFragment;
final DialogHolder dialogHolder = new DialogHolder();
final CountDownLatch latch = new CountDownLatch(1);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
final AlertDialog dialog = fragment.createAccountPicker(
new String[] {
"1@example.com",
"2@example.com",
"3@example.com",
"4@example.com"},
null, null /* positiveButtonListner */);
dialog.show();
dialogHolder.mDialog = dialog;
latch.countDown();
}
});
try {
latch.await(TEST_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
} catch (InterruptedException ex) {
fail();
}
getInstrumentation().waitForIdleSync();
final AlertDialog dialog = dialogHolder.mDialog;
final AlertDialog dialog = initDialog(fragment, null).mDialog;
final ListView lv = dialog.getListView();
// Nothing to check/uncheck.
assertNull(fragment.findPreference(AccountsSettingsFragment.PREF_ACCCOUNT_SWITCHER));
}
public void testMultipleAccounts_noCurrentAccount() {
when(mManagedProfileUtils.hasManagedWorkProfile(any(Context.class))).thenReturn(false);
final AccountsSettingsFragment fragment =
(AccountsSettingsFragment) getActivity().mFragment;
final AlertDialog dialog = initDialog(fragment, null).mDialog;
final ListView lv = dialog.getListView();
// The 1st account should be checked by default.
assertEquals("checked-item", 0, lv.getCheckedItemPosition());
// There should be 4 accounts in the list.
@ -105,34 +118,13 @@ public class AccountsSettingsFragmentTests
}
public void testMultipleAccounts_currentAccount() {
when(mManagedProfileUtils.hasManagedWorkProfile(any(Context.class))).thenReturn(false);
final AccountsSettingsFragment fragment =
(AccountsSettingsFragment) getActivity().mFragment;
final DialogHolder dialogHolder = new DialogHolder();
final CountDownLatch latch = new CountDownLatch(1);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
final AlertDialog dialog = fragment.createAccountPicker(
new String[] {
"1@example.com",
"2@example.com",
"3@example.com",
"4@example.com"},
"3@example.com", null /* positiveButtonListner */);
dialog.show();
dialogHolder.mDialog = dialog;
latch.countDown();
}
});
try {
latch.await(TEST_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
} catch (InterruptedException ex) {
fail();
}
getInstrumentation().waitForIdleSync();
final AlertDialog dialog = dialogHolder.mDialog;
final AlertDialog dialog = initDialog(fragment, "3@example.com").mDialog;
final ListView lv = dialog.getListView();
// The 3rd account should be checked by default.
assertEquals("checked-item", 2, lv.getCheckedItemPosition());
// There should be 4 accounts in the list.
@ -145,4 +137,35 @@ public class AccountsSettingsFragmentTests
assertEquals(View.VISIBLE,
dialog.getButton(DialogInterface.BUTTON_POSITIVE).getVisibility());
}
private DialogHolder initDialog(
final AccountsSettingsFragment fragment,
final String selectedAccount) {
final DialogHolder dialogHolder = new DialogHolder();
final CountDownLatch latch = new CountDownLatch(1);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
final AlertDialog dialog = fragment.createAccountPicker(
new String[] {
"1@example.com",
"2@example.com",
"3@example.com",
"4@example.com"},
selectedAccount, null /* positiveButtonListner */);
dialog.show();
dialogHolder.mDialog = dialog;
latch.countDown();
}
});
try {
latch.await(TEST_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
} catch (InterruptedException ex) {
fail();
}
getInstrumentation().waitForIdleSync();
return dialogHolder;
}
}