Fix crash when switching to fragment with null name.

Check for null fragment name before trying to launch the fragment.

Change-Id: Ibee6f7a1f27f7bc7d556a600c7e43fd30c2f1d6c
Fix: 35203478
Test: make RunSettingsRoboTests
This commit is contained in:
Doris Ling
2017-02-23 17:50:03 -08:00
parent 3ee0f4f5d0
commit cb69baf8f6
2 changed files with 71 additions and 65 deletions

View File

@@ -236,7 +236,6 @@ public class SettingsActivity extends SettingsDrawerActivity
private DashboardFeatureProvider mDashboardFeatureProvider;
private Intent mResultIntentData;
private ComponentName mCurrentSuggestion;
private final StringBuffer mDebugData = new StringBuffer();
@VisibleForTesting
String mSearchQuery;
@@ -433,34 +432,7 @@ public class SettingsActivity extends SettingsDrawerActivity
mDisplaySearch = savedState.getBoolean(SAVE_KEY_SHOW_SEARCH);
} else {
if (!mIsShowingDashboard) {
if (initialFragmentName == null) {
logFragmentData(intent, className, isSubSettings);
}
mDisplaySearch = false;
// UP will be shown only if it is a sub settings
if (mIsShortcut) {
mDisplayHomeAsUpEnabled = isSubSettings;
} else if (isSubSettings) {
mDisplayHomeAsUpEnabled = true;
} else {
mDisplayHomeAsUpEnabled = false;
}
setTitleFromIntent(intent);
Bundle initialArguments = intent.getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS);
switchToFragment(initialFragmentName, initialArguments, true, false,
mInitialTitleResId, mInitialTitle, false);
} else {
// No UP affordance if we are displaying the main Dashboard
mDisplayHomeAsUpEnabled = false;
// Show Search affordance
mDisplaySearch = true;
mInitialTitleResId = R.string.dashboard_title;
switchToFragment(DashboardSummary.class.getName(), null /* args */, false, false,
mInitialTitleResId, mInitialTitle, false);
}
launchSettingFragment(initialFragmentName, isSubSettings, intent);
}
mActionBar = getActionBar();
@@ -532,6 +504,35 @@ public class SettingsActivity extends SettingsDrawerActivity
}
}
@VisibleForTesting
void launchSettingFragment(String initialFragmentName, boolean isSubSettings, Intent intent) {
if (!mIsShowingDashboard && initialFragmentName != null) {
mDisplaySearch = false;
// UP will be shown only if it is a sub settings
if (mIsShortcut) {
mDisplayHomeAsUpEnabled = isSubSettings;
} else if (isSubSettings) {
mDisplayHomeAsUpEnabled = true;
} else {
mDisplayHomeAsUpEnabled = false;
}
setTitleFromIntent(intent);
Bundle initialArguments = intent.getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS);
switchToFragment(initialFragmentName, initialArguments, true, false,
mInitialTitleResId, mInitialTitle, false);
} else {
// No UP affordance if we are displaying the main Dashboard
mDisplayHomeAsUpEnabled = false;
// Show Search affordance
mDisplaySearch = true;
mInitialTitleResId = R.string.dashboard_title;
switchToFragment(DashboardSummary.class.getName(), null /* args */, false, false,
mInitialTitleResId, mInitialTitle, false);
}
}
public void setDisplaySearchMenu(boolean displaySearch) {
if (displaySearch != mDisplaySearch) {
mDisplaySearch = displaySearch;
@@ -693,7 +694,6 @@ public class SettingsActivity extends SettingsDrawerActivity
String startingFragment = getStartingFragmentClass(superIntent);
// This is called from super.onCreate, isMultiPane() is not yet reliable
// Do not use onIsHidingHeaders either, which relies itself on this method
log("getIntent() startingFragment", startingFragment);
if (startingFragment != null) {
Intent modIntent = new Intent(superIntent);
modIntent.putExtra(EXTRA_SHOW_FRAGMENT, startingFragment);
@@ -715,11 +715,9 @@ public class SettingsActivity extends SettingsDrawerActivity
* returns the class name to load as a fragment.
*/
private String getStartingFragmentClass(Intent intent) {
log("getStartingFragmentClass() mFragmentClass", mFragmentClass);
if (mFragmentClass != null) return mFragmentClass;
String intentClass = intent.getComponent().getClassName();
log("getStartingFragmentClass() intentClass", intentClass);
if (intentClass.equals(getClass().getName())) return null;
if ("com.android.settings.ManageApplications".equals(intentClass)
@@ -1125,37 +1123,4 @@ public class SettingsActivity extends SettingsDrawerActivity
}
super.onActivityResult(requestCode, resultCode, data);
}
private void logFragmentData(Intent intent, String className, boolean isSubSettings) {
if (intent != null) {
logBundleData(intent.getExtras(), "Intent extra");
logBundleData(intent.getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS), "Fragment args");
} else {
log("Intent data", "NULL");
}
log("Fragment", mFragmentClass);
log("Shortcut", mIsShortcut);
log("Class Name", className);
log("Show dashboard", mIsShowingDashboard);
log("Sub setting", isSubSettings);
log("Title", mInitialTitle);
Log.d(LOG_TAG, mDebugData.toString());
mDebugData.delete(0, mDebugData.length());
}
private void logBundleData(Bundle data, String name) {
if (data != null) {
final Set<String> keys = data.keySet();
mDebugData.append(name).append(": ");
for (String key : keys) {
log(key, data.get(key));
}
} else {
log(name, "NULL");
}
}
private void log(String key, Object data) {
mDebugData.append(key).append("=").append(data).append(", ");
}
}

View File

@@ -16,18 +16,47 @@
package com.android.settings;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import com.android.settings.testutils.FakeFeatureFactory;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class SettingsActivityTest {
@Mock(answer = Answers.RETURNS_DEEP_STUBS)
private Context mContext;
@Mock
private FragmentManager mFragmentManager;
private SettingsActivity mActivity;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
FakeFeatureFactory.setupForTest(mContext);
final FakeFeatureFactory factory =
(FakeFeatureFactory) FakeFeatureFactory.getFactory(mContext);
when(factory.dashboardFeatureProvider.isEnabled()).thenReturn(true);
}
@Test
public void testQueryTextChange_shouldUpdate() {
final String testQuery = "abc";
@@ -42,4 +71,16 @@ public class SettingsActivityTest {
assertThat(mActivity.mSearchQuery).isEqualTo(testQuery);
}
@Test
public void launchSettingFragment_nullExtraShowFragment_shouldNotCrash()
throws ClassNotFoundException {
mActivity = spy(new SettingsActivity());
when(mActivity.getFragmentManager()).thenReturn(mFragmentManager);
when(mFragmentManager.beginTransaction()).thenReturn(mock(FragmentTransaction.class));
doReturn(RuntimeEnvironment.application.getClassLoader()).when(mActivity).getClassLoader();
mActivity.launchSettingFragment(null, true, mock(Intent.class));
}
}