Hesham/wireguard-android
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AppListDialogFragment: Code cleanup

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- Using the require_() methods provides helpful error messages when things are null
compared to the get_() methods which throw NPEs.
- Ensure currentlyExcludedApps is empty but never null
- Rename inner variable to silence name shadowing lint
- Make setExclusionsAndDismiss private

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
This commit is contained in:
Harsh Shandilya 2020-02-23 14:54:48 +05:30
parent 13cbec28d6
commit 33e69db436
1 changed files with 10 additions and 9 deletions
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19
app/src/main/java/com/wireguard/android/fragment/AppListDialogFragment.java
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@ -36,7 +36,7 @@ public class AppListDialogFragment extends DialogFragment {
private static final String KEY_EXCLUDED_APPS = "excludedApps";
private final ObservableKeyedList<String, ApplicationData> appData = new ObservableKeyedArrayList<>();
@Nullable private List<String> currentlyExcludedApps;
private List<String> currentlyExcludedApps = Collections.emptyList();
public static <T extends Fragment & AppExclusionListener>
AppListDialogFragment newInstance(final ArrayList<String> excludedApps, final T target) {
@ -60,14 +60,14 @@ public class AppListDialogFragment extends DialogFragment {
launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
final List<ResolveInfo> resolveInfos = pm.queryIntentActivities(launcherIntent, 0);
final List<ApplicationData> appData = new ArrayList<>();
final List<ApplicationData> applicationData = new ArrayList<>();
for (ResolveInfo resolveInfo : resolveInfos) {
String packageName = resolveInfo.activityInfo.packageName;
appData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
applicationData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
}
Collections.sort(appData, Comparators.comparing(ApplicationData::getName, String.CASE_INSENSITIVE_ORDER));
return appData;
Collections.sort(applicationData, Comparators.comparing(ApplicationData::getName, String.CASE_INSENSITIVE_ORDER));
return applicationData;
}).whenComplete(((data, throwable) -> {
if (data != null) {
appData.clear();
@ -84,15 +84,16 @@ public class AppListDialogFragment extends DialogFragment {
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
currentlyExcludedApps = getArguments().getStringArrayList(KEY_EXCLUDED_APPS);
final List<String> excludedApps = requireArguments().getStringArrayList(KEY_EXCLUDED_APPS);
currentlyExcludedApps = (excludedApps != null) ? excludedApps : Collections.emptyList();
}
@Override
public Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) {
final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(requireActivity());
alertDialogBuilder.setTitle(R.string.excluded_applications);
final AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(getActivity().getLayoutInflater(), null, false);
final AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(requireActivity().getLayoutInflater(), null, false);
binding.executePendingBindings();
alertDialogBuilder.setView(binding.getRoot());
@ -114,7 +115,7 @@ public class AppListDialogFragment extends DialogFragment {
return dialog;
}
void setExclusionsAndDismiss() {
private void setExclusionsAndDismiss() {
final List<String> excludedApps = new ArrayList<>();
for (final ApplicationData data : appData) {
if (data.isExcludedFromTunnel()) {