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Use PermissionControllerManager to get permission groups

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The mapping of permissions and permission groups may be changed upon
mainline module update, so we cannot reliably read from the platform.
PermissionControllerManager is created for this purpose, so we use it
to prevent from the outdated mapping instead of mapping them manually.

Bug: 117978938
Test: robotests

Change-Id: If8682796b8a30dee3b73572e977fade48d07eb2b
This commit is contained in:
Yi-Ling Chuang
2019-04-24 21:15:11 +08:00
parent 9a4fa9bf0d
commit 0789b5d226
2 changed files with 86 additions and 214 deletions
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124
src/com/android/settings/applications/AppPermissionsPreferenceController.java
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@@ -16,38 +16,47 @@ package com.android.settings.applications;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.icu.text.ListFormatter;
import android.util.ArraySet;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.applications.PermissionsSummaryHelper;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
public class AppPermissionsPreferenceController extends BasePreferenceController {
private static final String TAG = "AppPermissionPrefCtrl";
private static final String[] PERMISSION_GROUPS = new String[]{
"android.permission-group.LOCATION",
"android.permission-group.MICROPHONE",
"android.permission-group.CAMERA",
"android.permission-group.SMS",
"android.permission-group.CONTACTS",
"android.permission-group.PHONE"};
private static final int NUM_PERMISSION_TO_USE = 3;
private static int NUM_PACKAGE_TO_CHECK = 3;
private final PackageManager mPackageManager;
private final Set<CharSequence> mPermissionGroups;
private final PermissionsSummaryHelper.PermissionsResultCallback mPermissionsCallback =
new PermissionsSummaryHelper.PermissionsResultCallback() {
@Override
public void onPermissionSummaryResult(int standardGrantedPermissionCount,
int requestedPermissionCount, int additionalGrantedPermissionCount,
List<CharSequence> grantedGroupLabels) {
updateSummary(grantedGroupLabels);
}
};
@VisibleForTesting
int mNumPackageChecked;
private Preference mPreference;
public AppPermissionsPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mPackageManager = context.getPackageManager();
mPermissionGroups = new ArraySet<>();
}
@Override
@@ -55,72 +64,41 @@ public class AppPermissionsPreferenceController extends BasePreferenceController
return AVAILABLE;
}
/*
Summary text looks like: Apps using Permission1, Permission2, Permission3
The 3 permissions are the first three from the list which any app has granted:
Location, Microphone, Camera, Sms, Contacts, and Phone
*/
@Override
public CharSequence getSummary() {
final Set<String> permissions = getAllPermissionsInGroups();
Set<String> grantedPermissionGroups = getGrantedPermissionGroups(permissions);
int count = 0;
final List<String> summaries = new ArrayList<>();
for (String group : PERMISSION_GROUPS) {
if (!grantedPermissionGroups.contains(group)) {
continue;
}
summaries.add(getPermissionGroupLabel(group).toString().toLowerCase());
if (++count >= NUM_PERMISSION_TO_USE) {
break;
}
}
return count > 0 ? mContext.getString(R.string.app_permissions_summary,
ListFormatter.getInstance().format(summaries)) : null;
public void updateState(Preference preference) {
mPreference = preference;
mNumPackageChecked = 0;
queryPermissionSummary();
}
private Set<String> getGrantedPermissionGroups(Set<String> permissions) {
ArraySet<String> grantedPermissionGroups = new ArraySet<>();
List<PackageInfo> installedPackages =
@VisibleForTesting
void queryPermissionSummary() {
final List<PackageInfo> installedPackages =
mPackageManager.getInstalledPackages(PackageManager.GET_PERMISSIONS);
for (PackageInfo installedPackage : installedPackages) {
if (installedPackage.permissions == null) {
continue;
}
for (PermissionInfo permissionInfo : installedPackage.permissions) {
if (permissions.contains(permissionInfo.name)
&& !grantedPermissionGroups.contains(permissionInfo.group)) {
grantedPermissionGroups.add(permissionInfo.group);
}
}
// Here we only get the first three apps and check their permissions.
final List<PackageInfo> packagesWithPermission = installedPackages.stream()
.filter(pInfo -> pInfo.permissions != null)
.limit(NUM_PACKAGE_TO_CHECK)
.collect(Collectors.toList());
for (PackageInfo installedPackage : packagesWithPermission) {
PermissionsSummaryHelper.getPermissionSummary(mContext,
installedPackage.packageName, mPermissionsCallback);
}
return grantedPermissionGroups;
}
private CharSequence getPermissionGroupLabel(String group) {
try {
final PermissionGroupInfo groupInfo = mPackageManager.getPermissionGroupInfo(group, 0);
return groupInfo.loadLabel(mPackageManager);
} catch (NameNotFoundException e) {
Log.e(TAG, "Error getting permissions label.", e);
}
return group;
}
@VisibleForTesting
void updateSummary(List<CharSequence> grantedGroupLabels) {
mPermissionGroups.addAll(grantedGroupLabels);
mNumPackageChecked++;
private Set<String> getAllPermissionsInGroups() {
ArraySet<String> result = new ArraySet<>();
for (String group : PERMISSION_GROUPS) {
try {
final List<PermissionInfo> permissions =
mPackageManager.queryPermissionsByGroup(group, 0);
for (PermissionInfo permissionInfo : permissions) {
result.add(permissionInfo.name);
}
} catch (NameNotFoundException e) {
Log.e(TAG, "Error getting permissions in group " + group, e);
}
if (mNumPackageChecked < NUM_PACKAGE_TO_CHECK) {
return;
}
return result;
final CharSequence summary = !mPermissionGroups.isEmpty()
? mContext.getString(R.string.app_permissions_summary,
ListFormatter.getInstance().format(mPermissionGroups).toLowerCase())
: null;
mPreference.setSummary(summary);
}
}
}