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Fix crash when there is no emergencybroadcast app on device

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Some devices do not have emergencybroadcast app installed, so we should
not show the preference item for it. Add the preference controller into
AppAndNotificationFragment properly hides it.

Change-Id: Ic39ba24da9bd8f3200a5e44232a5489e35c48c0a
Fix: 37945069
Test: make RunSettingsRoboTests
This commit is contained in:
Fan Zhang
2017-05-05 15:03:19 -07:00
parent 651261c7dd
commit 0335cd1e9b
4 changed files with 36 additions and 22 deletions
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24
src/com/android/settings/notification/EmergencyBroadcastPreferenceController.java
View File

@@ -20,9 +20,9 @@ import android.content.Context;
import android.content.pm.PackageManager;
import android.os.UserHandle;
import android.os.UserManager;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.accounts.AccountRestrictionHelper;
import com.android.settings.core.PreferenceController;
import com.android.settingslib.RestrictedPreference;
@@ -33,20 +33,22 @@ import com.android.settingslib.RestrictedPreference;
*/
public class EmergencyBroadcastPreferenceController extends PreferenceController {
private static final String KEY_CELL_BROADCAST_SETTINGS = "cell_broadcast_settings";
private final String mPrefKey;
private AccountRestrictionHelper mHelper;
private UserManager mUserManager;
private PackageManager mPm;
private boolean mCellBroadcastAppLinkEnabled;
public EmergencyBroadcastPreferenceController(Context context) {
this(context, new AccountRestrictionHelper(context));
public EmergencyBroadcastPreferenceController(Context context, String prefKey) {
this(context, new AccountRestrictionHelper(context), prefKey);
}
@VisibleForTesting
EmergencyBroadcastPreferenceController(Context context, AccountRestrictionHelper helper) {
@VisibleForTesting(otherwise = VisibleForTesting.NONE)
EmergencyBroadcastPreferenceController(Context context, AccountRestrictionHelper helper,
String prefKey) {
super(context);
mPrefKey = prefKey;
mHelper = helper;
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mPm = mContext.getPackageManager();
@@ -60,7 +62,7 @@ public class EmergencyBroadcastPreferenceController extends PreferenceController
return;
}
((RestrictedPreference) preference).checkRestrictionAndSetDisabled(
UserManager.DISALLOW_CONFIG_CELL_BROADCASTS);
UserManager.DISALLOW_CONFIG_CELL_BROADCASTS);
}
@Override
@@ -70,23 +72,23 @@ public class EmergencyBroadcastPreferenceController extends PreferenceController
@Override
public String getPreferenceKey() {
return KEY_CELL_BROADCAST_SETTINGS;
return mPrefKey;
}
@Override
public boolean isAvailable() {
return mUserManager.isAdminUser() && mCellBroadcastAppLinkEnabled
&& !mHelper.hasBaseUserRestriction(
&& !mHelper.hasBaseUserRestriction(
UserManager.DISALLOW_CONFIG_CELL_BROADCASTS, UserHandle.myUserId());
}
private boolean isCellBroadcastAppLinkEnabled() {
boolean enabled = mContext.getResources().getBoolean(
com.android.internal.R.bool.config_cellBroadcastAppLinks);
com.android.internal.R.bool.config_cellBroadcastAppLinks);
if (enabled) {
try {
if (mPm.getApplicationEnabledSetting("com.android.cellbroadcastreceiver")
== PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
== PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
enabled = false; // CMAS app disabled
}
} catch (IllegalArgumentException ignored) {