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Enforce Keyguard policy in Notification Settings

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- Applied getKeyguardDisabledFeatures for notification settings and
    notification setup page (after settings a screenlock)
- If a notification settings is disabled, the next least secure setting
    will be chosen
- Although KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS can be set be
    profile, it will not be reflected in both settings page. This is
    because it does not affect the owner (user 0), as mentioned in
    DevicePolicyManagerService.PROFILE_KEYGUARD_FEATURES_AFFECT_OWNER
- Skip RedactionInterstitial if there is <= 1 options for the user
- Tested with both Setup wizard and settings case, both pattern and
    password, as well as toggling the policy on and off

Bug: 19307118
Bug: 17099898

Change-Id: If640d5576caa0163e9942569f7b4643a30bbfe0a
This commit is contained in:
Alex Chau
2015-06-12 11:45:08 +01:00
parent 2c55f738c4
commit ccade40278
10 changed files with 129 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
src/com/android/settings/notification/RedactionInterstitial.java
View File

@@ -21,6 +21,7 @@ import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.SettingsPreferenceFragment;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
@@ -29,6 +30,7 @@ import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.RadioButton;
import android.widget.RadioGroup;
public class RedactionInterstitial extends SettingsActivity {
@@ -44,20 +46,44 @@ public class RedactionInterstitial extends SettingsActivity {
return RedactionInterstitialFragment.class.getName().equals(fragmentName);
}
/**
* Create an intent for launching RedactionInterstitial.
* @return An intent to launch the activity is if is available, @null if the activity is not
* available to be launched.
*/
public static Intent createStartIntent(Context ctx) {
return new Intent(ctx, RedactionInterstitial.class)
.putExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, true)
.putExtra(EXTRA_PREFS_SET_BACK_TEXT, (String) null)
.putExtra(EXTRA_PREFS_SET_NEXT_TEXT, ctx.getString(
R.string.app_notifications_dialog_done));
if (isSecureNotificationsDisabled(ctx)) {
// If there is no choices for the user, we should not start the activity.
return null;
} else {
return new Intent(ctx, RedactionInterstitial.class)
.putExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, true)
.putExtra(EXTRA_PREFS_SET_BACK_TEXT, (String) null)
.putExtra(EXTRA_PREFS_SET_NEXT_TEXT, ctx.getString(
R.string.app_notifications_dialog_done));
}
}
private static boolean isSecureNotificationsDisabled(Context context) {
final DevicePolicyManager dpm =
(DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
return dpm != null && (dpm.getKeyguardDisabledFeatures(null)
& DevicePolicyManager.KEYGUARD_DISABLE_SECURE_NOTIFICATIONS) != 0;
}
private static boolean isUnredactedNotificationsDisabled(Context context) {
final DevicePolicyManager dpm =
(DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
return dpm != null && (dpm.getKeyguardDisabledFeatures(null)
& DevicePolicyManager.KEYGUARD_DISABLE_UNREDACTED_NOTIFICATIONS) != 0;
}
public static class RedactionInterstitialFragment extends SettingsPreferenceFragment
implements View.OnClickListener {
implements RadioGroup.OnCheckedChangeListener {
private RadioGroup mRadioGroup;
private RadioButton mShowAllButton;
private RadioButton mRedactSensitiveButton;
private RadioButton mHideAllButton;
@Override
protected int getMetricsCategory() {
@@ -73,13 +99,19 @@ public class RedactionInterstitial extends SettingsActivity {
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mRadioGroup = (RadioGroup) view.findViewById(R.id.radio_group);
mShowAllButton = (RadioButton) view.findViewById(R.id.show_all);
mRedactSensitiveButton = (RadioButton) view.findViewById(R.id.redact_sensitive);
mHideAllButton = (RadioButton) view.findViewById(R.id.hide_all);
mShowAllButton.setOnClickListener(this);
mRedactSensitiveButton.setOnClickListener(this);
mHideAllButton.setOnClickListener(this);
mRadioGroup.setOnCheckedChangeListener(this);
// Disable buttons according to policy.
if (isSecureNotificationsDisabled(getActivity())) {
mShowAllButton.setEnabled(false);
mRedactSensitiveButton.setEnabled(false);
} else if (isUnredactedNotificationsDisabled(getActivity())) {
mShowAllButton.setEnabled(false);
}
}
@Override
@@ -93,15 +125,23 @@ public class RedactionInterstitial extends SettingsActivity {
Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, 0) != 0;
final boolean show = Settings.Secure.getInt(getContentResolver(),
Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, 1) != 0;
mShowAllButton.setChecked(enabled && show);
mRedactSensitiveButton.setChecked(enabled && !show);
mHideAllButton.setChecked(!enabled);
int checkedButtonId = R.id.hide_all;
if (enabled) {
if (show && mShowAllButton.isEnabled()) {
checkedButtonId = R.id.show_all;
} else if (mRedactSensitiveButton.isEnabled()) {
checkedButtonId = R.id.redact_sensitive;
}
}
mRadioGroup.check(checkedButtonId);
}
@Override
public void onClick(View v) {
final boolean show = (v == mShowAllButton);
final boolean enabled = (v != mHideAllButton);
public void onCheckedChanged(RadioGroup group, int checkedId) {
final boolean show = (checkedId == R.id.show_all);
final boolean enabled = (checkedId != R.id.hide_all);
Settings.Secure.putInt(getContentResolver(),
Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, show ? 1 : 0);