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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.applications;
import android.app.AlertDialog;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AppSecurityPermissions;
import android.widget.ArrayAdapter;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TextView;
import com.android.internal.telephony.ISms;
import com.android.internal.telephony.SmsUsageMonitor;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.applications.ApplicationsState.AppEntry;
import java.util.ArrayList;
public class AppPermissionSettings extends AppInfoWithHeader {
private ISms mSmsManager;
private View mRootView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mSmsManager = ISms.Stub.asInterface(ServiceManager.getService("isms"));
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.permission_settings, container, false);
final ViewGroup allDetails = (ViewGroup) view.findViewById(R.id.all_details);
Utils.forceCustomPadding(allDetails, true /* additive padding */);
mRootView = view;
return view;
}
@Override
protected boolean refreshUi() {
retrieveAppEntry();
// Security permissions section
LinearLayout permsView = (LinearLayout) mRootView.findViewById(R.id.permissions_section);
AppSecurityPermissions asp = new AppSecurityPermissions(getActivity(), mPackageName);
int premiumSmsPermission = getPremiumSmsPermission(mPackageName);
// Premium SMS permission implies the app also has SEND_SMS permission, so the original
// application permissions list doesn't have to be shown/hidden separately. The premium
// SMS subsection should only be visible if the app has tried to send to a premium SMS.
if (asp.getPermissionCount() > 0
|| premiumSmsPermission != SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) {
permsView.setVisibility(View.VISIBLE);
} else {
permsView.setVisibility(View.GONE);
}
// Premium SMS permission subsection
TextView securityBillingDesc = (TextView) permsView.findViewById(
R.id.security_settings_billing_desc);
LinearLayout securityBillingList = (LinearLayout) permsView.findViewById(
R.id.security_settings_billing_list);
if (premiumSmsPermission != SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN) {
// Show the premium SMS permission selector
securityBillingDesc.setVisibility(View.VISIBLE);
securityBillingList.setVisibility(View.VISIBLE);
Spinner spinner = (Spinner) permsView.findViewById(
R.id.security_settings_premium_sms_list);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(getActivity(),
R.array.security_settings_premium_sms_values,
android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
// List items are in the same order as SmsUsageMonitor constants, offset by 1.
spinner.setSelection(premiumSmsPermission - 1);
spinner.setOnItemSelectedListener(new PremiumSmsSelectionListener(
mPackageName, mSmsManager));
} else {
// Hide the premium SMS permission selector
securityBillingDesc.setVisibility(View.GONE);
securityBillingList.setVisibility(View.GONE);
}
// App permissions subsection
if (asp.getPermissionCount() > 0) {
// Make the security sections header visible
LinearLayout securityList = (LinearLayout) permsView.findViewById(
R.id.security_settings_list);
securityList.removeAllViews();
securityList.addView(asp.getPermissionsViewWithRevokeButtons());
// If this app is running under a shared user ID with other apps,
// update the description to explain this.
String[] packages = mPm.getPackagesForUid(mPackageInfo.applicationInfo.uid);
if (packages != null && packages.length > 1) {
ArrayList<CharSequence> pnames = new ArrayList<CharSequence>();
for (int i=0; i<packages.length; i++) {
String pkg = packages[i];
if (mPackageInfo.packageName.equals(pkg)) {
continue;
}
try {
ApplicationInfo ainfo = mPm.getApplicationInfo(pkg, 0);
pnames.add(ainfo.loadLabel(mPm));
} catch (PackageManager.NameNotFoundException e) {
}
}
final int N = pnames.size();
if (N > 0) {
final Resources res = getActivity().getResources();
String appListStr;
if (N == 1) {
appListStr = pnames.get(0).toString();
} else if (N == 2) {
appListStr = res.getString(R.string.join_two_items, pnames.get(0),
pnames.get(1));
} else {
appListStr = pnames.get(N-2).toString();
for (int i=N-3; i>=0; i--) {
appListStr = res.getString(i == 0 ? R.string.join_many_items_first
: R.string.join_many_items_middle, pnames.get(i), appListStr);
}
appListStr = res.getString(R.string.join_many_items_last,
appListStr, pnames.get(N-1));
}
TextView descr = (TextView) mRootView.findViewById(
R.id.security_settings_desc);
descr.setText(res.getString(R.string.security_settings_desc_multi,
mPackageInfo.applicationInfo.loadLabel(mPm), appListStr));
}
}
}
return true;
}
private int getPremiumSmsPermission(String packageName) {
try {
if (mSmsManager != null) {
return mSmsManager.getPremiumSmsPermission(packageName);
}
} catch (RemoteException ex) {
// ignored
}
return SmsUsageMonitor.PREMIUM_SMS_PERMISSION_UNKNOWN;
}
@Override
protected AlertDialog createDialog(int id, int errorCode) {
// No dialogs for Permissions screen.
return null;
}
public static CharSequence getSummary(AppEntry appEntry, Context context) {
AppSecurityPermissions asp = new AppSecurityPermissions(context,
appEntry.info.packageName);
int count = asp.getPermissionCount();
return context.getResources().getQuantityString(R.plurals.permissions_summary,
count, count);
}
private static class PremiumSmsSelectionListener implements AdapterView.OnItemSelectedListener {
private final String mPackageName;
private final ISms mSmsManager;
PremiumSmsSelectionListener(String packageName, ISms smsManager) {
mPackageName = packageName;
mSmsManager = smsManager;
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position,
long id) {
if (position >= 0 && position < 3) {
if (localLOGV) Log.d(TAG, "Selected premium SMS policy " + position);
setPremiumSmsPermission(mPackageName, (position + 1));
} else {
Log.e(TAG, "Error: unknown premium SMS policy " + position);
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// Ignored
}
private void setPremiumSmsPermission(String packageName, int permission) {
try {
if (mSmsManager != null) {
mSmsManager.setPremiumSmsPermission(packageName, permission);
}
} catch (RemoteException ex) {
// ignored
}
}
}
}
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