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Handle corner cases in "Alarms and Reminders" page

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There are few corner cases and new updates that need to be incorporated:
1. Apps that declare USE_EXACT_ALARM, do not need SCHEDULE_EXACT_ALARM.
   So these should be filtered out, regardless of whather they declared
   the latter.
2. Apps that are in the power allowlist do not need either of the
   permission, and so these should be filtered out as well.

In either case, if the user somehow ends up in the app detail page for
this setting, the switch should get disabled based on existing logic.

Test: make -j RunSettingsRoboTests
Test: Manually by UI inspection:
Settings -> Apps -> Special App access -> Alarms and Reminders
or by running:
adb shell am start -a android.settings.REQUEST_SCHEDULE_EXACT_ALARM

Bug: 232460265
Change-Id: I5aeab49f95260218878bc36f5a4d73a49e5082e4
This commit is contained in:
Suprabh Shukla
2023-04-12 17:35:13 -07:00
parent f98cfff495
commit 5aeef97cae
2 changed files with 217 additions and 78 deletions
Download Patch File Download Diff File Expand all files Collapse all files

77
src/com/android/settings/applications/AppStateAlarmsAndRemindersBridge.java
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@@ -18,11 +18,11 @@ package com.android.settings.applications;
import android.Manifest;
import android.app.AlarmManager;
import android.app.AppGlobals;
import android.app.compat.CompatChanges;
import android.content.Context;
import android.content.pm.IPackageManager;
import android.os.RemoteException;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.PowerExemptionManager;
import android.os.UserHandle;
import android.util.Log;
@@ -32,8 +32,6 @@ import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.applications.ApplicationsState.AppEntry;
import com.android.settingslib.applications.ApplicationsState.AppFilter;
import libcore.util.EmptyArray;
import java.util.List;
/**
@@ -42,26 +40,24 @@ import java.util.List;
* Also provides app filters that can use the info.
*/
public class AppStateAlarmsAndRemindersBridge extends AppStateBaseBridge {
private static final String PERMISSION = Manifest.permission.SCHEDULE_EXACT_ALARM;
private static final String SEA_PERMISSION = Manifest.permission.SCHEDULE_EXACT_ALARM;
private static final String UEA_PERMISSION = Manifest.permission.USE_EXACT_ALARM;
private static final String TAG = "AlarmsAndRemindersBridge";
@VisibleForTesting
AlarmManager mAlarmManager;
@VisibleForTesting
String[] mRequesterPackages;
PowerExemptionManager mPowerExemptionManager;
@VisibleForTesting
PackageManager mPackageManager;
public AppStateAlarmsAndRemindersBridge(Context context, ApplicationsState appState,
Callback callback) {
super(appState, callback);
mPowerExemptionManager = context.getSystemService(PowerExemptionManager.class);
mAlarmManager = context.getSystemService(AlarmManager.class);
final IPackageManager iPm = AppGlobals.getPackageManager();
try {
mRequesterPackages = iPm.getAppOpPermissionPackages(PERMISSION, context.getUserId());
} catch (RemoteException re) {
Log.e(TAG, "Cannot reach package manager", re);
mRequesterPackages = EmptyArray.STRING;
}
mPackageManager = context.getPackageManager();
}
private boolean isChangeEnabled(String packageName, int userId) {
@@ -69,6 +65,22 @@ public class AppStateAlarmsAndRemindersBridge extends AppStateBaseBridge {
packageName, UserHandle.of(userId));
}
private boolean isUeaChangeEnabled(String packageName, int userId) {
return CompatChanges.isChangeEnabled(AlarmManager.ENABLE_USE_EXACT_ALARM, packageName,
UserHandle.of(userId));
}
private String[] getRequestedPermissions(String packageName, int userId) {
try {
final PackageInfo info = mPackageManager.getPackageInfoAsUser(packageName,
PackageManager.GET_PERMISSIONS, userId);
return info.requestedPermissions;
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "Could not find package " + packageName, e);
}
return null;
}
/**
* Returns information regarding {@link Manifest.permission#SCHEDULE_EXACT_ALARM} for the given
* package and uid.
@@ -76,10 +88,17 @@ public class AppStateAlarmsAndRemindersBridge extends AppStateBaseBridge {
public AlarmsAndRemindersState createPermissionState(String packageName, int uid) {
final int userId = UserHandle.getUserId(uid);
final boolean permissionRequested = ArrayUtils.contains(mRequesterPackages, packageName)
final String[] requestedPermissions = getRequestedPermissions(packageName, userId);
final boolean seaRequested = ArrayUtils.contains(requestedPermissions, SEA_PERMISSION)
&& isChangeEnabled(packageName, userId);
final boolean permissionGranted = mAlarmManager.hasScheduleExactAlarm(packageName, userId);
return new AlarmsAndRemindersState(permissionRequested, permissionGranted);
final boolean ueaRequested = ArrayUtils.contains(requestedPermissions, UEA_PERMISSION)
&& isUeaChangeEnabled(packageName, userId);
final boolean seaGranted = mAlarmManager.hasScheduleExactAlarm(packageName, userId);
final boolean allowListed = mPowerExemptionManager.isAllowListed(packageName, true);
return new AlarmsAndRemindersState(seaRequested, ueaRequested, seaGranted, allowListed);
}
@Override
@@ -113,26 +132,32 @@ public class AppStateAlarmsAndRemindersBridge extends AppStateBaseBridge {
};
/**
* Class to denote the state of an app regarding
* {@link Manifest.permission#SCHEDULE_EXACT_ALARM}.
* Class to denote the state of an app regarding "Alarms and Reminders" permission.
* This permission state is a combination of {@link Manifest.permission#SCHEDULE_EXACT_ALARM},
* {@link Manifest.permission#USE_EXACT_ALARM} and the power allowlist state.
*/
public static class AlarmsAndRemindersState {
private boolean mPermissionRequested;
private boolean mPermissionGranted;
private boolean mSeaPermissionRequested;
private boolean mUeaPermissionRequested;
private boolean mSeaPermissionGranted;
private boolean mAllowListed;
AlarmsAndRemindersState(boolean permissionRequested, boolean permissionGranted) {
mPermissionRequested = permissionRequested;
mPermissionGranted = permissionGranted;
AlarmsAndRemindersState(boolean seaPermissionRequested, boolean ueaPermissionRequested,
boolean seaPermissionGranted, boolean allowListed) {
mSeaPermissionRequested = seaPermissionRequested;
mUeaPermissionRequested = ueaPermissionRequested;
mSeaPermissionGranted = seaPermissionGranted;
mAllowListed = allowListed;
}
/** Should the app associated with this state appear on the Settings screen */
public boolean shouldBeVisible() {
return mPermissionRequested;
return mSeaPermissionRequested && !mUeaPermissionRequested && !mAllowListed;
}
/** Is the permission granted to the app associated with this state */
public boolean isAllowed() {
return mPermissionGranted;
return mSeaPermissionGranted || mUeaPermissionRequested || mAllowListed;
}
}
}