/* * Copyright (C) 2011 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; import static android.net.ConnectivityManager.TYPE_ETHERNET; import static android.net.ConnectivityManager.TYPE_MOBILE; import static android.net.ConnectivityManager.TYPE_WIMAX; import static android.net.NetworkPolicy.LIMIT_DISABLED; import static android.net.NetworkPolicyManager.ACTION_DATA_USAGE_LIMIT; import static android.net.NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE; import static android.net.NetworkPolicyManager.POLICY_NONE; import static android.net.NetworkPolicyManager.POLICY_REJECT_METERED_BACKGROUND; import static android.net.NetworkPolicyManager.computeLastCycleBoundary; import static android.net.NetworkPolicyManager.computeNextCycleBoundary; import static android.net.NetworkTemplate.MATCH_MOBILE_3G_LOWER; import static android.net.NetworkTemplate.MATCH_MOBILE_4G; import static android.net.NetworkTemplate.MATCH_MOBILE_ALL; import static android.net.NetworkTemplate.MATCH_WIFI; import static android.net.NetworkTemplate.buildTemplateEthernet; import static android.net.NetworkTemplate.buildTemplateMobile3gLower; import static android.net.NetworkTemplate.buildTemplateMobile4g; import static android.net.NetworkTemplate.buildTemplateMobileAll; import static android.net.NetworkTemplate.buildTemplateWifi; import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT; import android.animation.LayoutTransition; import android.app.AlertDialog; import android.app.Dialog; import android.app.DialogFragment; import android.app.Fragment; import android.app.FragmentTransaction; import android.app.LoaderManager.LoaderCallbacks; import android.content.ContentResolver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.Loader; import android.content.SharedPreferences; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.res.Resources; import android.net.ConnectivityManager; import android.net.INetworkPolicyManager; import android.net.INetworkStatsService; import android.net.NetworkPolicy; import android.net.NetworkPolicyManager; import android.net.NetworkStats; import android.net.NetworkStatsHistory; import android.net.NetworkTemplate; import android.net.TrafficStats; import android.os.AsyncTask; import android.os.Bundle; import android.os.RemoteException; import android.os.ServiceManager; import android.os.SystemProperties; import android.preference.Preference; import android.provider.Settings; import android.telephony.TelephonyManager; import android.text.TextUtils; import android.text.format.DateUtils; import android.text.format.Formatter; import android.text.format.Time; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.view.ViewTreeObserver.OnGlobalLayoutListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.NumberPicker; import android.widget.ProgressBar; import android.widget.Spinner; import android.widget.Switch; import android.widget.TabHost; import android.widget.TabHost.OnTabChangeListener; import android.widget.TabHost.TabContentFactory; import android.widget.TabHost.TabSpec; import android.widget.TabWidget; import android.widget.TextView; import com.android.internal.telephony.Phone; import com.android.settings.net.NetworkPolicyEditor; import com.android.settings.net.SummaryForAllUidLoader; import com.android.settings.widget.DataUsageChartView; import com.android.settings.widget.DataUsageChartView.DataUsageChartListener; import com.google.android.collect.Lists; import java.util.ArrayList; import java.util.Collections; import java.util.Locale; import libcore.util.Objects; /** * Panel show data usage history across various networks, including options to * inspect based on usage cycle and control through {@link NetworkPolicy}. */ public class DataUsageSummary extends Fragment { private static final String TAG = "DataUsage"; private static final boolean LOGD = true; // TODO: remove this testing code private static final boolean TEST_RADIOS = false; private static final String TEST_RADIOS_PROP = "test.radios"; private static final String TAB_3G = "3g"; private static final String TAB_4G = "4g"; private static final String TAB_MOBILE = "mobile"; private static final String TAB_WIFI = "wifi"; private static final String TAB_ETHERNET = "ethernet"; private static final String TAG_CONFIRM_ROAMING = "confirmRoaming"; private static final String TAG_CONFIRM_LIMIT = "confirmLimit"; private static final String TAG_CYCLE_EDITOR = "cycleEditor"; private static final String TAG_POLICY_LIMIT = "policyLimit"; private static final String TAG_CONFIRM_RESTRICT = "confirmRestrict"; private static final String TAG_CONFIRM_APP_RESTRICT = "confirmAppRestrict"; private static final String TAG_APP_DETAILS = "appDetails"; private static final int LOADER_SUMMARY = 2; private static final long KB_IN_BYTES = 1024; private static final long MB_IN_BYTES = KB_IN_BYTES * 1024; private static final long GB_IN_BYTES = MB_IN_BYTES * 1024; private INetworkStatsService mStatsService; private INetworkPolicyManager mPolicyService; private ConnectivityManager mConnService; private static final String PREF_FILE = "data_usage"; private static final String PREF_SHOW_WIFI = "show_wifi"; private static final String PREF_SHOW_ETHERNET = "show_ethernet"; private SharedPreferences mPrefs; private TabHost mTabHost; private ViewGroup mTabsContainer; private TabWidget mTabWidget; private ListView mListView; private DataUsageAdapter mAdapter; private ViewGroup mHeader; private ViewGroup mNetworkSwitchesContainer; private LinearLayout mNetworkSwitches; private Switch mDataEnabled; private View mDataEnabledView; private CheckBox mDisableAtLimit; private View mDisableAtLimitView; private Spinner mCycleSpinner; private CycleAdapter mCycleAdapter; private DataUsageChartView mChart; private View mAppDetail; private TextView mAppTitle; private TextView mAppSubtitle; private Button mAppSettings; private LinearLayout mAppSwitches; private CheckBox mAppRestrict; private View mAppRestrictView; private boolean mShowWifi = false; private boolean mShowEthernet = false; private NetworkTemplate mTemplate = null; private static final int UID_NONE = -1; private int mUid = UID_NONE; private Intent mAppSettingsIntent; private NetworkPolicyEditor mPolicyEditor; private NetworkStatsHistory mHistory; private NetworkStatsHistory mDetailHistory; private String mCurrentTab = null; private String mIntentTab = null; private MenuItem mMenuDataRoaming; private MenuItem mMenuRestrictBackground; /** Flag used to ignore listeners during binding. */ private boolean mBinding; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mStatsService = INetworkStatsService.Stub.asInterface( ServiceManager.getService(Context.NETWORK_STATS_SERVICE)); mPolicyService = INetworkPolicyManager.Stub.asInterface( ServiceManager.getService(Context.NETWORK_POLICY_SERVICE)); mConnService = (ConnectivityManager) getActivity().getSystemService( Context.CONNECTIVITY_SERVICE); mPrefs = getActivity().getSharedPreferences(PREF_FILE, Context.MODE_PRIVATE); mPolicyEditor = new NetworkPolicyEditor(mPolicyService); mPolicyEditor.read(); mShowWifi = mPrefs.getBoolean(PREF_SHOW_WIFI, false); mShowEthernet = mPrefs.getBoolean(PREF_SHOW_ETHERNET, false); setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final Context context = inflater.getContext(); final View view = inflater.inflate(R.layout.data_usage_summary, container, false); mTabHost = (TabHost) view.findViewById(android.R.id.tabhost); mTabsContainer = (ViewGroup) view.findViewById(R.id.tabs_container); mTabWidget = (TabWidget) view.findViewById(android.R.id.tabs); mListView = (ListView) view.findViewById(android.R.id.list); mTabHost.setup(); mTabHost.setOnTabChangedListener(mTabListener); mHeader = (ViewGroup) inflater.inflate(R.layout.data_usage_header, mListView, false); mListView.addHeaderView(mHeader, null, false); { // bind network switches mNetworkSwitchesContainer = (ViewGroup) mHeader.findViewById( R.id.network_switches_container); mNetworkSwitches = (LinearLayout) mHeader.findViewById(R.id.network_switches); mDataEnabled = new Switch(inflater.getContext()); mDataEnabledView = inflatePreference(inflater, mNetworkSwitches, mDataEnabled); mDataEnabled.setOnCheckedChangeListener(mDataEnabledListener); mNetworkSwitches.addView(mDataEnabledView); mDisableAtLimit = new CheckBox(inflater.getContext()); mDisableAtLimit.setClickable(false); mDisableAtLimitView = inflatePreference(inflater, mNetworkSwitches, mDisableAtLimit); mDisableAtLimitView.setOnClickListener(mDisableAtLimitListener); mNetworkSwitches.addView(mDisableAtLimitView); } // bind cycle dropdown mCycleSpinner = (Spinner) mHeader.findViewById(R.id.cycles); mCycleAdapter = new CycleAdapter(context); mCycleSpinner.setAdapter(mCycleAdapter); mCycleSpinner.setOnItemSelectedListener(mCycleListener); mChart = (DataUsageChartView) mHeader.findViewById(R.id.chart); mChart.setListener(mChartListener); { // bind app detail controls mAppDetail = view.findViewById(R.id.app_detail); mAppTitle = (TextView) view.findViewById(R.id.app_title); mAppSubtitle = (TextView) view.findViewById(R.id.app_subtitle); mAppSwitches = (LinearLayout) view.findViewById(R.id.app_switches); mAppSettings = (Button) view.findViewById(R.id.app_settings); mAppSettings.setOnClickListener(mAppSettingsListener); mAppRestrict = new CheckBox(inflater.getContext()); mAppRestrict.setClickable(false); mAppRestrictView = inflatePreference(inflater, mAppSwitches, mAppRestrict); setPreferenceTitle(mAppRestrictView, R.string.data_usage_app_restrict_background); setPreferenceSummary( mAppRestrictView, R.string.data_usage_app_restrict_background_summary); mAppRestrictView.setOnClickListener(mAppRestrictListener); mAppSwitches.addView(mAppRestrictView); } // only assign layout transitions once first layout is finished mHeader.getViewTreeObserver().addOnGlobalLayoutListener(mFirstLayoutListener); mAdapter = new DataUsageAdapter(); mListView.setOnItemClickListener(mListListener); mListView.setAdapter(mAdapter); return view; } @Override public void onResume() { super.onResume(); // pick default tab based on incoming intent final Intent intent = getActivity().getIntent(); mIntentTab = computeTabFromIntent(intent); // this kicks off chain reaction which creates tabs, binds the body to // selected network, and binds chart, cycles and detail list. updateTabs(); // template and tab has been selected; show dialog if limit passed final String action = intent.getAction(); if (ACTION_DATA_USAGE_LIMIT.equals(action)) { PolicyLimitFragment.show(this); } // kick off background task to update stats new AsyncTask() { @Override protected Void doInBackground(Void... params) { try { mStatsService.forceUpdate(); } catch (RemoteException e) { } return null; } @Override protected void onPostExecute(Void result) { if (isAdded()) { updateBody(); } } }.execute(); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.data_usage, menu); } @Override public void onPrepareOptionsMenu(Menu menu) { final Context context = getActivity(); mMenuDataRoaming = menu.findItem(R.id.data_usage_menu_roaming); mMenuDataRoaming.setVisible(hasMobileRadio(context)); mMenuDataRoaming.setChecked(getDataRoaming()); mMenuRestrictBackground = menu.findItem(R.id.data_usage_menu_restrict_background); mMenuRestrictBackground.setChecked(getRestrictBackground()); final MenuItem split4g = menu.findItem(R.id.data_usage_menu_split_4g); split4g.setVisible(hasMobile4gRadio(context)); split4g.setChecked(isMobilePolicySplit()); final MenuItem showWifi = menu.findItem(R.id.data_usage_menu_show_wifi); if (hasWifiRadio(context) && hasMobileRadio(context)) { showWifi.setVisible(true); showWifi.setChecked(mShowWifi); } else { showWifi.setVisible(false); mShowWifi = true; } final MenuItem showEthernet = menu.findItem(R.id.data_usage_menu_show_ethernet); if (hasEthernet(context) && hasMobileRadio(context)) { showEthernet.setVisible(true); showEthernet.setChecked(mShowEthernet); } else { showEthernet.setVisible(false); mShowEthernet = true; } } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.data_usage_menu_roaming: { final boolean dataRoaming = !item.isChecked(); if (dataRoaming) { ConfirmDataRoamingFragment.show(this); } else { // no confirmation to disable roaming setDataRoaming(false); } return true; } case R.id.data_usage_menu_restrict_background: { final boolean restrictBackground = !item.isChecked(); if (restrictBackground) { ConfirmRestrictFragment.show(this); } else { // no confirmation to drop restriction setRestrictBackground(false); } return true; } case R.id.data_usage_menu_split_4g: { final boolean mobileSplit = !item.isChecked(); setMobilePolicySplit(mobileSplit); item.setChecked(isMobilePolicySplit()); updateTabs(); return true; } case R.id.data_usage_menu_show_wifi: { mShowWifi = !item.isChecked(); mPrefs.edit().putBoolean(PREF_SHOW_WIFI, mShowWifi).apply(); item.setChecked(mShowWifi); updateTabs(); return true; } case R.id.data_usage_menu_show_ethernet: { mShowEthernet = !item.isChecked(); mPrefs.edit().putBoolean(PREF_SHOW_ETHERNET, mShowEthernet).apply(); item.setChecked(mShowEthernet); updateTabs(); return true; } } return false; } @Override public void onDestroyView() { super.onDestroyView(); mDataEnabledView = null; mDisableAtLimitView = null; } /** * Listener to setup {@link LayoutTransition} after first layout pass. */ private OnGlobalLayoutListener mFirstLayoutListener = new OnGlobalLayoutListener() { /** {@inheritDoc} */ public void onGlobalLayout() { mHeader.getViewTreeObserver().removeGlobalOnLayoutListener(mFirstLayoutListener); mTabsContainer.setLayoutTransition(new LayoutTransition()); mHeader.setLayoutTransition(new LayoutTransition()); mNetworkSwitchesContainer.setLayoutTransition(new LayoutTransition()); final LayoutTransition chartTransition = new LayoutTransition(); chartTransition.setStartDelay(LayoutTransition.APPEARING, 0); chartTransition.setStartDelay(LayoutTransition.DISAPPEARING, 0); mChart.setLayoutTransition(chartTransition); } }; /** * Rebuild all tabs based on {@link NetworkPolicyEditor} and * {@link #mShowWifi}, hiding the tabs entirely when applicable. Selects * first tab, and kicks off a full rebind of body contents. */ private void updateTabs() { final Context context = getActivity(); mTabHost.clearAllTabs(); final boolean mobileSplit = isMobilePolicySplit(); if (mobileSplit && hasMobile4gRadio(context)) { mTabHost.addTab(buildTabSpec(TAB_3G, R.string.data_usage_tab_3g)); mTabHost.addTab(buildTabSpec(TAB_4G, R.string.data_usage_tab_4g)); } else if (hasMobileRadio(context)) { mTabHost.addTab(buildTabSpec(TAB_MOBILE, R.string.data_usage_tab_mobile)); } if (mShowWifi && hasWifiRadio(context)) { mTabHost.addTab(buildTabSpec(TAB_WIFI, R.string.data_usage_tab_wifi)); } if (mShowEthernet && hasEthernet(context)) { mTabHost.addTab(buildTabSpec(TAB_ETHERNET, R.string.data_usage_tab_ethernet)); } final boolean multipleTabs = mTabWidget.getTabCount() > 1; mTabWidget.setVisibility(multipleTabs ? View.VISIBLE : View.GONE); if (mIntentTab != null) { if (Objects.equal(mIntentTab, mTabHost.getCurrentTabTag())) { updateBody(); } else { mTabHost.setCurrentTabByTag(mIntentTab); } mIntentTab = null; } else { if (mTabHost.getCurrentTab() == 0) { updateBody(); } else { mTabHost.setCurrentTab(0); } } } /** * Factory that provide empty {@link View} to make {@link TabHost} happy. */ private TabContentFactory mEmptyTabContent = new TabContentFactory() { /** {@inheritDoc} */ public View createTabContent(String tag) { return new View(mTabHost.getContext()); } }; /** * Build {@link TabSpec} with thin indicator, and empty content. */ private TabSpec buildTabSpec(String tag, int titleRes) { final LayoutInflater inflater = LayoutInflater.from(mTabWidget.getContext()); final View indicator = inflater.inflate( R.layout.tab_indicator_thin_holo, mTabWidget, false); final TextView title = (TextView) indicator.findViewById(android.R.id.title); title.setText(titleRes); return mTabHost.newTabSpec(tag).setIndicator(indicator).setContent(mEmptyTabContent); } private OnTabChangeListener mTabListener = new OnTabChangeListener() { /** {@inheritDoc} */ public void onTabChanged(String tabId) { // user changed tab; update body updateBody(); } }; /** * Update body content based on current tab. Loads * {@link NetworkStatsHistory} and {@link NetworkPolicy} from system, and * binds them to visible controls. */ private void updateBody() { mBinding = true; final Context context = getActivity(); final String currentTab = mTabHost.getCurrentTabTag(); if (currentTab == null) { Log.w(TAG, "no tab selected; hiding body"); mListView.setVisibility(View.GONE); return; } else { mListView.setVisibility(View.VISIBLE); } final boolean tabChanged = !currentTab.equals(mCurrentTab); mCurrentTab = currentTab; if (LOGD) Log.d(TAG, "updateBody() with currentTab=" + currentTab); if (TAB_WIFI.equals(currentTab)) { // wifi doesn't have any controls mDataEnabledView.setVisibility(View.GONE); mDisableAtLimitView.setVisibility(View.GONE); mTemplate = buildTemplateWifi(); } else if (TAB_ETHERNET.equals(currentTab)) { // ethernet doesn't have any controls mDataEnabledView.setVisibility(View.GONE); mDisableAtLimitView.setVisibility(View.GONE); mTemplate = buildTemplateEthernet(); } else { mDataEnabledView.setVisibility(View.VISIBLE); mDisableAtLimitView.setVisibility(View.VISIBLE); } if (TAB_MOBILE.equals(currentTab)) { setPreferenceTitle(mDataEnabledView, R.string.data_usage_enable_mobile); setPreferenceTitle(mDisableAtLimitView, R.string.data_usage_disable_mobile_limit); mDataEnabled.setChecked(mConnService.getMobileDataEnabled()); mTemplate = buildTemplateMobileAll(getActiveSubscriberId(context)); } else if (TAB_3G.equals(currentTab)) { setPreferenceTitle(mDataEnabledView, R.string.data_usage_enable_3g); setPreferenceTitle(mDisableAtLimitView, R.string.data_usage_disable_3g_limit); // TODO: bind mDataEnabled to 3G radio state mTemplate = buildTemplateMobile3gLower(getActiveSubscriberId(context)); } else if (TAB_4G.equals(currentTab)) { setPreferenceTitle(mDataEnabledView, R.string.data_usage_enable_4g); setPreferenceTitle(mDisableAtLimitView, R.string.data_usage_disable_4g_limit); // TODO: bind mDataEnabled to 4G radio state mTemplate = buildTemplateMobile4g(getActiveSubscriberId(context)); } try { // load stats for current template mHistory = mStatsService.getHistoryForNetwork(mTemplate); } catch (RemoteException e) { // since we can't do much without policy or history, and we don't // want to leave with half-baked UI, we bail hard. throw new RuntimeException("problem reading network policy or stats", e); } // bind chart to historical stats mChart.bindNetworkStats(mHistory); // only update policy when switching tabs updatePolicy(tabChanged); updateAppDetail(); // force scroll to top of body mListView.smoothScrollToPosition(0); mBinding = false; } private boolean isAppDetailMode() { return mUid != UID_NONE; } /** * Update UID details panels to match {@link #mUid}, showing or hiding them * depending on {@link #isAppDetailMode()}. */ private void updateAppDetail() { if (isAppDetailMode()) { mAppDetail.setVisibility(View.VISIBLE); mCycleAdapter.setChangeVisible(false); } else { mAppDetail.setVisibility(View.GONE); mCycleAdapter.setChangeVisible(true); // hide detail stats when not in detail mode mChart.bindDetailNetworkStats(null); return; } // remove warning/limit sweeps while in detail mode mChart.bindNetworkPolicy(null); final PackageManager pm = getActivity().getPackageManager(); mAppTitle.setText(pm.getNameForUid(mUid)); // enable settings button when package provides it // TODO: target torwards entire UID instead of just first package final String[] packageNames = pm.getPackagesForUid(mUid); if (packageNames != null && packageNames.length > 0) { mAppSettingsIntent = new Intent(Intent.ACTION_MANAGE_NETWORK_USAGE); mAppSettingsIntent.setPackage(packageNames[0]); mAppSettingsIntent.addCategory(Intent.CATEGORY_DEFAULT); final boolean matchFound = pm.resolveActivity(mAppSettingsIntent, 0) != null; mAppSettings.setEnabled(matchFound); } else { mAppSettingsIntent = null; mAppSettings.setEnabled(false); } try { // load stats for current uid and template // TODO: read template from extras mDetailHistory = mStatsService.getHistoryForUid(mTemplate, mUid, NetworkStats.TAG_NONE); } catch (RemoteException e) { // since we can't do much without history, and we don't want to // leave with half-baked UI, we bail hard. throw new RuntimeException("problem reading network stats", e); } // bind chart to historical stats mChart.bindDetailNetworkStats(mDetailHistory); updateDetailData(); final Context context = getActivity(); if (NetworkPolicyManager.isUidValidForPolicy(context, mUid)) { mAppRestrictView.setVisibility(View.VISIBLE); mAppRestrict.setChecked(getAppRestrictBackground()); } else { mAppRestrictView.setVisibility(View.GONE); } } private void setPolicyCycleDay(int cycleDay) { if (LOGD) Log.d(TAG, "setPolicyCycleDay()"); mPolicyEditor.setPolicyCycleDay(mTemplate, cycleDay); updatePolicy(true); } private void setPolicyWarningBytes(long warningBytes) { if (LOGD) Log.d(TAG, "setPolicyWarningBytes()"); mPolicyEditor.setPolicyWarningBytes(mTemplate, warningBytes); updatePolicy(false); } private void setPolicyLimitBytes(long limitBytes) { if (LOGD) Log.d(TAG, "setPolicyLimitBytes()"); mPolicyEditor.setPolicyLimitBytes(mTemplate, limitBytes); updatePolicy(false); } private boolean getDataRoaming() { final ContentResolver resolver = getActivity().getContentResolver(); return Settings.Secure.getInt(resolver, Settings.Secure.DATA_ROAMING, 0) != 0; } private void setDataRoaming(boolean enabled) { // TODO: teach telephony DataConnectionTracker to watch and apply // updates when changed. final ContentResolver resolver = getActivity().getContentResolver(); Settings.Secure.putInt(resolver, Settings.Secure.DATA_ROAMING, enabled ? 1 : 0); mMenuDataRoaming.setChecked(enabled); } private boolean getRestrictBackground() { return !mConnService.getBackgroundDataSetting(); } private void setRestrictBackground(boolean restrictBackground) { if (LOGD) Log.d(TAG, "setRestrictBackground()"); mConnService.setBackgroundDataSetting(!restrictBackground); mMenuRestrictBackground.setChecked(restrictBackground); } private boolean getAppRestrictBackground() { final int uidPolicy; try { uidPolicy = mPolicyService.getUidPolicy(mUid); } catch (RemoteException e) { // since we can't do much without policy, we bail hard. throw new RuntimeException("problem reading network policy", e); } return (uidPolicy & POLICY_REJECT_METERED_BACKGROUND) != 0; } private void setAppRestrictBackground(boolean restrictBackground) { if (LOGD) Log.d(TAG, "setRestrictBackground()"); try { mPolicyService.setUidPolicy( mUid, restrictBackground ? POLICY_REJECT_METERED_BACKGROUND : POLICY_NONE); } catch (RemoteException e) { throw new RuntimeException("unable to save policy", e); } mAppRestrict.setChecked(restrictBackground); } /** * Update chart sweeps and cycle list to reflect {@link NetworkPolicy} for * current {@link #mTemplate}. */ private void updatePolicy(boolean refreshCycle) { if (isAppDetailMode()) { mNetworkSwitches.setVisibility(View.GONE); // we fall through to update cycle list for detail mode } else { mNetworkSwitches.setVisibility(View.VISIBLE); // when heading back to summary without cycle refresh, kick details // update to repopulate list. if (!refreshCycle) { updateDetailData(); } } final NetworkPolicy policy = mPolicyEditor.getPolicy(mTemplate); // reflect policy limit in checkbox mDisableAtLimit.setChecked(policy != null && policy.limitBytes != LIMIT_DISABLED); mChart.bindNetworkPolicy(policy); if (refreshCycle) { // generate cycle list based on policy and available history updateCycleList(policy); } } /** * Rebuild {@link #mCycleAdapter} based on {@link NetworkPolicy#cycleDay} * and available {@link NetworkStatsHistory} data. Always selects the newest * item, updating the inspection range on {@link #mChart}. */ private void updateCycleList(NetworkPolicy policy) { mCycleAdapter.clear(); final Context context = mCycleSpinner.getContext(); long historyStart = mHistory.getStart(); long historyEnd = mHistory.getEnd(); if (historyStart == Long.MAX_VALUE || historyEnd == Long.MIN_VALUE) { historyStart = System.currentTimeMillis(); historyEnd = System.currentTimeMillis(); } boolean hasCycles = false; if (policy != null) { // find the next cycle boundary long cycleEnd = computeNextCycleBoundary(historyEnd, policy); int guardCount = 0; // walk backwards, generating all valid cycle ranges while (cycleEnd > historyStart) { final long cycleStart = computeLastCycleBoundary(cycleEnd, policy); Log.d(TAG, "generating cs=" + cycleStart + " to ce=" + cycleEnd + " waiting for hs=" + historyStart); mCycleAdapter.add(new CycleItem(context, cycleStart, cycleEnd)); cycleEnd = cycleStart; hasCycles = true; // TODO: remove this guard once we have better testing if (guardCount++ > 50) { Log.wtf(TAG, "stuck generating ranges for historyStart=" + historyStart + ", historyEnd=" + historyEnd + " and policy=" + policy); } } // one last cycle entry to modify policy cycle day mCycleAdapter.setChangePossible(true); } if (!hasCycles) { // no valid cycles; show all data // TODO: offer simple ranges like "last week" etc mCycleAdapter.add(new CycleItem(context, historyStart, historyEnd)); mCycleAdapter.setChangePossible(false); } // force pick the current cycle (first item) mCycleSpinner.setSelection(0); mCycleListener.onItemSelected(mCycleSpinner, null, 0, 0); } private OnCheckedChangeListener mDataEnabledListener = new OnCheckedChangeListener() { /** {@inheritDoc} */ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { if (mBinding) return; final boolean dataEnabled = isChecked; mDataEnabled.setChecked(dataEnabled); final String currentTab = mCurrentTab; if (TAB_MOBILE.equals(currentTab)) { mConnService.setMobileDataEnabled(dataEnabled); } } }; private View.OnClickListener mDisableAtLimitListener = new View.OnClickListener() { /** {@inheritDoc} */ public void onClick(View v) { final boolean disableAtLimit = !mDisableAtLimit.isChecked(); if (disableAtLimit) { // enabling limit; show confirmation dialog which eventually // calls setPolicyLimitBytes() once user confirms. ConfirmLimitFragment.show(DataUsageSummary.this); } else { setPolicyLimitBytes(LIMIT_DISABLED); } } }; private View.OnClickListener mAppRestrictListener = new View.OnClickListener() { /** {@inheritDoc} */ public void onClick(View v) { final boolean restrictBackground = !mAppRestrict.isChecked(); if (restrictBackground) { // enabling restriction; show confirmation dialog which // eventually calls setRestrictBackground() once user confirms. ConfirmAppRestrictFragment.show(DataUsageSummary.this); } else { setAppRestrictBackground(false); } } }; private OnClickListener mAppSettingsListener = new OnClickListener() { /** {@inheritDoc} */ public void onClick(View v) { // TODO: target torwards entire UID instead of just first package startActivity(mAppSettingsIntent); } }; private OnItemClickListener mListListener = new OnItemClickListener() { /** {@inheritDoc} */ public void onItemClick(AdapterView parent, View view, int position, long id) { final AppUsageItem app = (AppUsageItem) parent.getItemAtPosition(position); AppDetailsFragment.show(DataUsageSummary.this, app.uid); } }; private OnItemSelectedListener mCycleListener = new OnItemSelectedListener() { /** {@inheritDoc} */ public void onItemSelected(AdapterView parent, View view, int position, long id) { final CycleItem cycle = (CycleItem) parent.getItemAtPosition(position); if (cycle instanceof CycleChangeItem) { // show cycle editor; will eventually call setPolicyCycleDay() // when user finishes editing. CycleEditorFragment.show(DataUsageSummary.this); // reset spinner to something other than "change cycle..." mCycleSpinner.setSelection(0); } else { if (LOGD) { Log.d(TAG, "showing cycle " + cycle + ", start=" + cycle.start + ", end=" + cycle.end + "]"); } // update chart to show selected cycle, and update detail data // to match updated sweep bounds. mChart.setVisibleRange(cycle.start, cycle.end, mHistory.getEnd()); updateDetailData(); } } /** {@inheritDoc} */ public void onNothingSelected(AdapterView parent) { // ignored } }; /** * Update details based on {@link #mChart} inspection range depending on * current mode. In network mode, updates {@link #mAdapter} with sorted list * of applications data usage, and when {@link #isAppDetailMode()} update * app details. */ private void updateDetailData() { if (LOGD) Log.d(TAG, "updateDetailData()"); final long start = mChart.getInspectStart(); final long end = mChart.getInspectEnd(); if (isAppDetailMode()) { if (mDetailHistory != null) { final Context context = mChart.getContext(); final long now = System.currentTimeMillis(); final NetworkStatsHistory.Entry entry = mDetailHistory.getValues( start, end, now, null); mAppSubtitle.setText( getString(R.string.data_usage_received_sent, Formatter.formatFileSize(context, entry.rxBytes), Formatter.formatFileSize(context, entry.txBytes))); } getLoaderManager().destroyLoader(LOADER_SUMMARY); } else { // kick off loader for detailed stats getLoaderManager().restartLoader(LOADER_SUMMARY, SummaryForAllUidLoader.buildArgs(mTemplate, start, end), mSummaryForAllUid); } } private final LoaderCallbacks mSummaryForAllUid = new LoaderCallbacks< NetworkStats>() { /** {@inheritDoc} */ public Loader onCreateLoader(int id, Bundle args) { return new SummaryForAllUidLoader(getActivity(), mStatsService, args); } /** {@inheritDoc} */ public void onLoadFinished(Loader loader, NetworkStats data) { mAdapter.bindStats(data); } /** {@inheritDoc} */ public void onLoaderReset(Loader loader) { mAdapter.bindStats(null); } }; private boolean isMobilePolicySplit() { final Context context = getActivity(); if (hasMobileRadio(context)) { final String subscriberId = getActiveSubscriberId(context); return mPolicyEditor.isMobilePolicySplit(subscriberId); } else { return false; } } private void setMobilePolicySplit(boolean split) { final String subscriberId = getActiveSubscriberId(getActivity()); mPolicyEditor.setMobilePolicySplit(subscriberId, split); } private static String getActiveSubscriberId(Context context) { final TelephonyManager telephony = (TelephonyManager) context.getSystemService( Context.TELEPHONY_SERVICE); return telephony.getSubscriberId(); } private DataUsageChartListener mChartListener = new DataUsageChartListener() { /** {@inheritDoc} */ public void onInspectRangeChanged() { if (LOGD) Log.d(TAG, "onInspectRangeChanged()"); updateDetailData(); } /** {@inheritDoc} */ public void onWarningChanged() { setPolicyWarningBytes(mChart.getWarningBytes()); } /** {@inheritDoc} */ public void onLimitChanged() { setPolicyLimitBytes(mChart.getLimitBytes()); } }; /** * List item that reflects a specific data usage cycle. */ public static class CycleItem { public CharSequence label; public long start; public long end; private static final StringBuilder sBuilder = new StringBuilder(50); private static final java.util.Formatter sFormatter = new java.util.Formatter( sBuilder, Locale.getDefault()); CycleItem(CharSequence label) { this.label = label; } public CycleItem(Context context, long start, long end) { this.label = formatDateRangeUtc(context, start, end); this.start = start; this.end = end; } private static String formatDateRangeUtc(Context context, long start, long end) { synchronized (sBuilder) { sBuilder.setLength(0); return DateUtils.formatDateRange(context, sFormatter, start, end, DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_MONTH, Time.TIMEZONE_UTC).toString(); } } @Override public String toString() { return label.toString(); } } /** * Special-case data usage cycle that triggers dialog to change * {@link NetworkPolicy#cycleDay}. */ public static class CycleChangeItem extends CycleItem { public CycleChangeItem(Context context) { super(context.getString(R.string.data_usage_change_cycle)); } } public static class CycleAdapter extends ArrayAdapter { private boolean mChangePossible = false; private boolean mChangeVisible = false; private final CycleChangeItem mChangeItem; public CycleAdapter(Context context) { super(context, android.R.layout.simple_spinner_item); setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mChangeItem = new CycleChangeItem(context); } public void setChangePossible(boolean possible) { mChangePossible = possible; updateChange(); } public void setChangeVisible(boolean visible) { mChangeVisible = visible; updateChange(); } private void updateChange() { remove(mChangeItem); if (mChangePossible && mChangeVisible) { add(mChangeItem); } } } private static class AppUsageItem implements Comparable { public int uid; public long total; /** {@inheritDoc} */ public int compareTo(AppUsageItem another) { return Long.compare(another.total, total); } } /** * Adapter of applications, sorted by total usage descending. */ public static class DataUsageAdapter extends BaseAdapter { private ArrayList mItems = Lists.newArrayList(); private long mLargest; /** * Bind the given {@link NetworkStats}, or {@code null} to clear list. */ public void bindStats(NetworkStats stats) { mItems.clear(); if (stats != null) { final AppUsageItem systemItem = new AppUsageItem(); systemItem.uid = android.os.Process.SYSTEM_UID; NetworkStats.Entry entry = null; for (int i = 0; i < stats.size(); i++) { entry = stats.getValues(i, entry); final boolean isApp = entry.uid >= android.os.Process.FIRST_APPLICATION_UID && entry.uid <= android.os.Process.LAST_APPLICATION_UID; if (isApp || entry.uid == TrafficStats.UID_REMOVED) { final AppUsageItem item = new AppUsageItem(); item.uid = entry.uid; item.total = entry.rxBytes + entry.txBytes; mItems.add(item); } else { systemItem.total += entry.rxBytes + entry.txBytes; } } if (systemItem.total > 0) { mItems.add(systemItem); } } Collections.sort(mItems); mLargest = (mItems.size() > 0) ? mItems.get(0).total : 0; notifyDataSetChanged(); } @Override public int getCount() { return mItems.size(); } @Override public Object getItem(int position) { return mItems.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = LayoutInflater.from(parent.getContext()).inflate( R.layout.data_usage_item, parent, false); } final Context context = parent.getContext(); final TextView title = (TextView) convertView.findViewById(android.R.id.title); final TextView summary = (TextView) convertView.findViewById(android.R.id.summary); final ProgressBar progress = (ProgressBar) convertView.findViewById( android.R.id.progress); final AppUsageItem item = mItems.get(position); title.setText(resolveLabelForUid(context, item.uid)); summary.setText(Formatter.formatFileSize(context, item.total)); final int percentTotal = mLargest != 0 ? (int) (item.total * 100 / mLargest) : 0; progress.setProgress(percentTotal); return convertView; } } /** * Empty {@link Fragment} that controls display of UID details in * {@link DataUsageSummary}. */ public static class AppDetailsFragment extends Fragment { private static final String EXTRA_UID = "uid"; public static void show(DataUsageSummary parent, int uid) { final Bundle args = new Bundle(); args.putInt(EXTRA_UID, uid); final AppDetailsFragment fragment = new AppDetailsFragment(); fragment.setArguments(args); fragment.setTargetFragment(parent, 0); final FragmentTransaction ft = parent.getFragmentManager().beginTransaction(); ft.add(fragment, TAG_APP_DETAILS); ft.addToBackStack(TAG_APP_DETAILS); ft.commit(); } @Override public void onStart() { super.onStart(); final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); target.mUid = getArguments().getInt(EXTRA_UID); target.updateBody(); } @Override public void onStop() { super.onStop(); final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); target.mUid = UID_NONE; target.updateBody(); } } /** * Dialog to request user confirmation before setting * {@link NetworkPolicy#limitBytes}. */ public static class ConfirmLimitFragment extends DialogFragment { private static final String EXTRA_MESSAGE_ID = "messageId"; private static final String EXTRA_LIMIT_BYTES = "limitBytes"; public static void show(DataUsageSummary parent) { final Bundle args = new Bundle(); // TODO: customize default limits based on network template final String currentTab = parent.mCurrentTab; if (TAB_3G.equals(currentTab)) { args.putInt(EXTRA_MESSAGE_ID, R.string.data_usage_limit_dialog_3g); args.putLong(EXTRA_LIMIT_BYTES, 5 * GB_IN_BYTES); } else if (TAB_4G.equals(currentTab)) { args.putInt(EXTRA_MESSAGE_ID, R.string.data_usage_limit_dialog_4g); args.putLong(EXTRA_LIMIT_BYTES, 5 * GB_IN_BYTES); } else if (TAB_MOBILE.equals(currentTab)) { args.putInt(EXTRA_MESSAGE_ID, R.string.data_usage_limit_dialog_mobile); args.putLong(EXTRA_LIMIT_BYTES, 5 * GB_IN_BYTES); } final ConfirmLimitFragment dialog = new ConfirmLimitFragment(); dialog.setArguments(args); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_CONFIRM_LIMIT); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final int messageId = getArguments().getInt(EXTRA_MESSAGE_ID); final long limitBytes = getArguments().getLong(EXTRA_LIMIT_BYTES); final AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(R.string.data_usage_limit_dialog_title); builder.setMessage(messageId); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { target.setPolicyLimitBytes(limitBytes); } } }); return builder.create(); } } /** * Dialog to edit {@link NetworkPolicy#cycleDay}. */ public static class CycleEditorFragment extends DialogFragment { private static final String EXTRA_CYCLE_DAY = "cycleDay"; public static void show(DataUsageSummary parent) { final NetworkPolicy policy = parent.mPolicyEditor.getPolicy(parent.mTemplate); final Bundle args = new Bundle(); args.putInt(CycleEditorFragment.EXTRA_CYCLE_DAY, policy.cycleDay); final CycleEditorFragment dialog = new CycleEditorFragment(); dialog.setArguments(args); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_CYCLE_EDITOR); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final AlertDialog.Builder builder = new AlertDialog.Builder(context); final LayoutInflater dialogInflater = LayoutInflater.from(builder.getContext()); final View view = dialogInflater.inflate(R.layout.data_usage_cycle_editor, null, false); final NumberPicker cycleDayPicker = (NumberPicker) view.findViewById(R.id.cycle_day); final int oldCycleDay = getArguments().getInt(EXTRA_CYCLE_DAY, 1); cycleDayPicker.setMinValue(1); cycleDayPicker.setMaxValue(31); cycleDayPicker.setValue(oldCycleDay); cycleDayPicker.setWrapSelectorWheel(true); builder.setTitle(R.string.data_usage_cycle_editor_title); builder.setView(view); builder.setPositiveButton(R.string.data_usage_cycle_editor_positive, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final int cycleDay = cycleDayPicker.getValue(); final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { target.setPolicyCycleDay(cycleDay); } } }); return builder.create(); } } /** * Dialog explaining that {@link NetworkPolicy#limitBytes} has been passed, * and giving the user an option to bypass. */ public static class PolicyLimitFragment extends DialogFragment { private static final String EXTRA_TITLE_ID = "titleId"; public static void show(DataUsageSummary parent) { final Bundle args = new Bundle(); final String currentTab = parent.mCurrentTab; if (TAB_3G.equals(currentTab)) { args.putInt(EXTRA_TITLE_ID, R.string.data_usage_disabled_dialog_3g_title); } else if (TAB_4G.equals(currentTab)) { args.putInt(EXTRA_TITLE_ID, R.string.data_usage_disabled_dialog_4g_title); } else if (TAB_MOBILE.equals(currentTab)) { args.putInt(EXTRA_TITLE_ID, R.string.data_usage_disabled_dialog_mobile_title); } final PolicyLimitFragment dialog = new PolicyLimitFragment(); dialog.setArguments(args); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_POLICY_LIMIT); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final int titleId = getArguments().getInt(EXTRA_TITLE_ID); final AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(titleId); builder.setMessage(R.string.data_usage_disabled_dialog); builder.setPositiveButton(android.R.string.ok, null); builder.setNegativeButton(R.string.data_usage_disabled_dialog_enable, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { // TODO: consider "allow 100mb more data", or // only bypass limit for current cycle. target.setPolicyLimitBytes(LIMIT_DISABLED); } } }); return builder.create(); } } /** * Dialog to request user confirmation before setting * {@link Settings.Secure#DATA_ROAMING}. */ public static class ConfirmDataRoamingFragment extends DialogFragment { public static void show(DataUsageSummary parent) { final Bundle args = new Bundle(); final ConfirmDataRoamingFragment dialog = new ConfirmDataRoamingFragment(); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_CONFIRM_ROAMING); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(R.string.roaming_reenable_title); builder.setMessage(R.string.roaming_warning); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { target.setDataRoaming(true); } } }); builder.setNegativeButton(android.R.string.cancel, null); return builder.create(); } } /** * Dialog to request user confirmation before setting * {@link ConnectivityManager#setBackgroundDataSetting(boolean)}. */ public static class ConfirmRestrictFragment extends DialogFragment { public static void show(DataUsageSummary parent) { final Bundle args = new Bundle(); final ConfirmRestrictFragment dialog = new ConfirmRestrictFragment(); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_CONFIRM_RESTRICT); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(R.string.data_usage_restrict_background_title); builder.setMessage(R.string.data_usage_restrict_background); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { target.setRestrictBackground(true); } } }); builder.setNegativeButton(android.R.string.cancel, null); return builder.create(); } } /** * Dialog to request user confirmation before setting * {@link #POLICY_REJECT_METERED_BACKGROUND}. */ public static class ConfirmAppRestrictFragment extends DialogFragment { public static void show(DataUsageSummary parent) { final ConfirmAppRestrictFragment dialog = new ConfirmAppRestrictFragment(); dialog.setTargetFragment(parent, 0); dialog.show(parent.getFragmentManager(), TAG_CONFIRM_APP_RESTRICT); } @Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Context context = getActivity(); final AlertDialog.Builder builder = new AlertDialog.Builder(context); builder.setTitle(R.string.data_usage_app_restrict_dialog_title); builder.setMessage(R.string.data_usage_app_restrict_dialog); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { final DataUsageSummary target = (DataUsageSummary) getTargetFragment(); if (target != null) { target.setAppRestrictBackground(true); } } }); builder.setNegativeButton(android.R.string.cancel, null); return builder.create(); } } /** * Compute default tab that should be selected, based on * {@link NetworkPolicyManager#EXTRA_NETWORK_TEMPLATE} extra. */ private static String computeTabFromIntent(Intent intent) { final int networkTemplate = intent.getIntExtra(EXTRA_NETWORK_TEMPLATE, MATCH_MOBILE_ALL); switch (networkTemplate) { case MATCH_MOBILE_3G_LOWER: return TAB_3G; case MATCH_MOBILE_4G: return TAB_4G; case MATCH_MOBILE_ALL: return TAB_MOBILE; case MATCH_WIFI: return TAB_WIFI; default: return null; } } /** * Resolve best descriptive label for the given UID. */ public static CharSequence resolveLabelForUid(Context context, int uid) { final Resources res = context.getResources(); final PackageManager pm = context.getPackageManager(); // handle special case labels switch (uid) { case android.os.Process.SYSTEM_UID: return res.getText(R.string.process_kernel_label); case TrafficStats.UID_REMOVED: return res.getText(R.string.data_usage_uninstalled_apps); } // otherwise fall back to using packagemanager labels final String[] packageNames = pm.getPackagesForUid(uid); final int length = packageNames != null ? packageNames.length : 0; CharSequence label = pm.getNameForUid(uid); try { if (length == 1) { final ApplicationInfo info = pm.getApplicationInfo(packageNames[0], 0); label = info.loadLabel(pm); } else if (length > 1) { for (String packageName : packageNames) { final PackageInfo info = pm.getPackageInfo(packageName, 0); if (info.sharedUserLabel != 0) { label = pm.getText(packageName, info.sharedUserLabel, info.applicationInfo); if (!TextUtils.isEmpty(label)) { break; } } } } } catch (NameNotFoundException e) { } if (TextUtils.isEmpty(label)) { label = Integer.toString(uid); } return label; } /** * Test if device has a mobile data radio. */ private static boolean hasMobileRadio(Context context) { if (TEST_RADIOS) { return SystemProperties.get(TEST_RADIOS_PROP).contains("mobile"); } final ConnectivityManager conn = (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE); // mobile devices should have MOBILE network tracker regardless of // connection status. return conn.getNetworkInfo(TYPE_MOBILE) != null; } /** * Test if device has a mobile 4G data radio. */ private static boolean hasMobile4gRadio(Context context) { if (TEST_RADIOS) { return SystemProperties.get(TEST_RADIOS_PROP).contains("4g"); } final ConnectivityManager conn = (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE); final TelephonyManager telephony = (TelephonyManager) context.getSystemService( Context.TELEPHONY_SERVICE); // WiMAX devices should have WiMAX network tracker regardless of // connection status. final boolean hasWimax = conn.getNetworkInfo(TYPE_WIMAX) != null; final boolean hasLte = telephony.getLteOnCdmaMode() == Phone.LTE_ON_CDMA_TRUE; return hasWimax || hasLte; } /** * Test if device has a Wi-Fi data radio. */ private static boolean hasWifiRadio(Context context) { if (TEST_RADIOS) { return SystemProperties.get(TEST_RADIOS_PROP).contains("wifi"); } return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI); } /** * Test if device has an ethernet network connection. */ private static boolean hasEthernet(Context context) { if (TEST_RADIOS) { return SystemProperties.get(TEST_RADIOS_PROP).contains("ethernet"); } final ConnectivityManager conn = (ConnectivityManager) context.getSystemService( Context.CONNECTIVITY_SERVICE); return conn.getNetworkInfo(TYPE_ETHERNET) != null; } /** * Inflate a {@link Preference} style layout, adding the given {@link View} * widget into {@link android.R.id#widget_frame}. */ private static View inflatePreference(LayoutInflater inflater, ViewGroup root, View widget) { final View view = inflater.inflate(R.layout.preference, root, false); final LinearLayout widgetFrame = (LinearLayout) view.findViewById( android.R.id.widget_frame); widgetFrame.addView(widget, new LinearLayout.LayoutParams(WRAP_CONTENT, WRAP_CONTENT)); return view; } /** * Set {@link android.R.id#title} for a preference view inflated with * {@link #inflatePreference(LayoutInflater, ViewGroup, View)}. */ private static void setPreferenceTitle(View parent, int resId) { final TextView title = (TextView) parent.findViewById(android.R.id.title); title.setText(resId); } /** * Set {@link android.R.id#summary} for a preference view inflated with * {@link #inflatePreference(LayoutInflater, ViewGroup, View)}. */ private static void setPreferenceSummary(View parent, int resId) { final TextView summary = (TextView) parent.findViewById(android.R.id.summary); summary.setVisibility(View.VISIBLE); summary.setText(resId); } }