1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.phone; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.net.NetworkTemplate; 23 import android.preference.Preference; 24 import android.provider.Settings; 25 import android.telephony.TelephonyManager; 26 import android.text.format.Formatter; 27 import android.util.AttributeSet; 28 29 import com.android.settingslib.drawer.SettingsDrawerActivity; 30 import com.android.settingslib.net.DataUsageController; 31 32 /** 33 * The preference that shows mobile data usage summary and 34 * leads to mobile data usage list page. 35 */ 36 public class DataUsagePreference extends Preference { 37 38 private NetworkTemplate mTemplate; 39 private int mSubId; 40 DataUsagePreference(Context context, AttributeSet attrs)41 public DataUsagePreference(Context context, AttributeSet attrs) { 42 super(context, attrs); 43 } 44 45 /** 46 * After creating this preference, this functions needs to be called to 47 * initialize which subID it connects to. 48 */ initialize(int subId)49 public void initialize(int subId) { 50 Activity activity = (Activity) getContext(); 51 52 mSubId = subId; 53 mTemplate = getNetworkTemplate(activity, subId); 54 55 DataUsageController controller = new DataUsageController(activity); 56 57 DataUsageController.DataUsageInfo usageInfo = controller.getDataUsageInfo(mTemplate); 58 setSummary(activity.getString(R.string.data_usage_template, 59 Formatter.formatFileSize(activity, usageInfo.usageLevel), usageInfo.period)); 60 setIntent(getIntent()); 61 } 62 63 @Override getIntent()64 public Intent getIntent() { 65 Intent intent = new Intent(Settings.ACTION_MOBILE_DATA_USAGE); 66 intent.putExtra(SettingsDrawerActivity.EXTRA_SHOW_MENU, true); 67 68 intent.putExtra(Settings.EXTRA_NETWORK_TEMPLATE, mTemplate); 69 intent.putExtra(Settings.EXTRA_SUB_ID, mSubId); 70 71 return intent; 72 } 73 getNetworkTemplate(Activity activity, int subId)74 private NetworkTemplate getNetworkTemplate(Activity activity, int subId) { 75 TelephonyManager tm = (TelephonyManager) activity 76 .getSystemService(Context.TELEPHONY_SERVICE); 77 NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll( 78 tm.getSubscriberId(subId)); 79 return NetworkTemplate.normalize(mobileAll, 80 tm.getMergedSubscriberIds()); 81 } 82 } 83