| /* |
| * Copyright (C) 2008 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 com.android.settings.wifi.WifiApEnabler; |
| import com.android.settings.wifi.WifiApDialog; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothPan; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.res.AssetManager; |
| import android.hardware.usb.UsbManager; |
| import android.net.ConnectivityManager; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiManager; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.SystemProperties; |
| import android.preference.CheckBoxPreference; |
| import android.preference.Preference; |
| import android.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| import android.view.ViewGroup; |
| import android.view.ViewParent; |
| import android.webkit.WebView; |
| |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.Locale; |
| |
| /* |
| * Displays preferences for Tethering. |
| */ |
| public class TetherSettings extends SettingsPreferenceFragment |
| implements DialogInterface.OnClickListener, Preference.OnPreferenceChangeListener { |
| private static final String TAG = "TetherSettings"; |
| |
| private static final String USB_TETHER_SETTINGS = "usb_tether_settings"; |
| private static final String ENABLE_WIFI_AP = "enable_wifi_ap"; |
| private static final String ENABLE_BLUETOOTH_TETHERING = "enable_bluetooth_tethering"; |
| |
| private static final int DIALOG_AP_SETTINGS = 1; |
| |
| private WebView mView; |
| private CheckBoxPreference mUsbTether; |
| |
| private WifiApEnabler mWifiApEnabler; |
| private CheckBoxPreference mEnableWifiAp; |
| |
| private CheckBoxPreference mBluetoothTether; |
| |
| private BroadcastReceiver mTetherChangeReceiver; |
| |
| private String[] mUsbRegexs; |
| |
| private String[] mWifiRegexs; |
| |
| private String[] mBluetoothRegexs; |
| private AtomicReference<BluetoothPan> mBluetoothPan = new AtomicReference<BluetoothPan>(); |
| |
| private static final String WIFI_AP_SSID_AND_SECURITY = "wifi_ap_ssid_and_security"; |
| private static final int CONFIG_SUBTEXT = R.string.wifi_tether_configure_subtext; |
| |
| private String[] mSecurityType; |
| private Preference mCreateNetwork; |
| |
| private WifiApDialog mDialog; |
| private WifiManager mWifiManager; |
| private WifiConfiguration mWifiConfig = null; |
| |
| private boolean mUsbConnected; |
| private boolean mMassStorageActive; |
| |
| private boolean mBluetoothEnableForTether; |
| |
| private static final int INVALID = -1; |
| private static final int WIFI_TETHERING = 0; |
| private static final int USB_TETHERING = 1; |
| private static final int BLUETOOTH_TETHERING = 2; |
| |
| /* One of INVALID, WIFI_TETHERING, USB_TETHERING or BLUETOOTH_TETHERING */ |
| private int mTetherChoice = INVALID; |
| |
| /* Stores the package name and the class name of the provisioning app */ |
| private String[] mProvisionApp; |
| private static final int PROVISION_REQUEST = 0; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| addPreferencesFromResource(R.xml.tether_prefs); |
| |
| final Activity activity = getActivity(); |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter != null) { |
| adapter.getProfileProxy(activity.getApplicationContext(), mProfileServiceListener, |
| BluetoothProfile.PAN); |
| } |
| |
| mEnableWifiAp = |
| (CheckBoxPreference) findPreference(ENABLE_WIFI_AP); |
| Preference wifiApSettings = findPreference(WIFI_AP_SSID_AND_SECURITY); |
| mUsbTether = (CheckBoxPreference) findPreference(USB_TETHER_SETTINGS); |
| mBluetoothTether = (CheckBoxPreference) findPreference(ENABLE_BLUETOOTH_TETHERING); |
| |
| ConnectivityManager cm = |
| (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| |
| mUsbRegexs = cm.getTetherableUsbRegexs(); |
| mWifiRegexs = cm.getTetherableWifiRegexs(); |
| mBluetoothRegexs = cm.getTetherableBluetoothRegexs(); |
| |
| final boolean usbAvailable = mUsbRegexs.length != 0; |
| final boolean wifiAvailable = mWifiRegexs.length != 0; |
| final boolean bluetoothAvailable = mBluetoothRegexs.length != 0; |
| |
| if (!usbAvailable || Utils.isMonkeyRunning()) { |
| getPreferenceScreen().removePreference(mUsbTether); |
| } |
| |
| if (wifiAvailable && !Utils.isMonkeyRunning()) { |
| mWifiApEnabler = new WifiApEnabler(activity, mEnableWifiAp); |
| initWifiTethering(); |
| } else { |
| getPreferenceScreen().removePreference(mEnableWifiAp); |
| getPreferenceScreen().removePreference(wifiApSettings); |
| } |
| |
| if (!bluetoothAvailable) { |
| getPreferenceScreen().removePreference(mBluetoothTether); |
| } else { |
| BluetoothPan pan = mBluetoothPan.get(); |
| if (pan != null && pan.isTetheringOn()) { |
| mBluetoothTether.setChecked(true); |
| } else { |
| mBluetoothTether.setChecked(false); |
| } |
| } |
| |
| mProvisionApp = getResources().getStringArray( |
| com.android.internal.R.array.config_mobile_hotspot_provision_app); |
| |
| mView = new WebView(activity); |
| } |
| |
| private void initWifiTethering() { |
| final Activity activity = getActivity(); |
| mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); |
| mWifiConfig = mWifiManager.getWifiApConfiguration(); |
| mSecurityType = getResources().getStringArray(R.array.wifi_ap_security); |
| |
| mCreateNetwork = findPreference(WIFI_AP_SSID_AND_SECURITY); |
| |
| if (mWifiConfig == null) { |
| final String s = activity.getString( |
| com.android.internal.R.string.wifi_tether_configure_ssid_default); |
| mCreateNetwork.setSummary(String.format(activity.getString(CONFIG_SUBTEXT), |
| s, mSecurityType[WifiApDialog.OPEN_INDEX])); |
| } else { |
| int index = WifiApDialog.getSecurityTypeIndex(mWifiConfig); |
| mCreateNetwork.setSummary(String.format(activity.getString(CONFIG_SUBTEXT), |
| mWifiConfig.SSID, |
| mSecurityType[index])); |
| } |
| } |
| |
| private BluetoothProfile.ServiceListener mProfileServiceListener = |
| new BluetoothProfile.ServiceListener() { |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| mBluetoothPan.set((BluetoothPan) proxy); |
| } |
| public void onServiceDisconnected(int profile) { |
| mBluetoothPan.set(null); |
| } |
| }; |
| |
| @Override |
| public Dialog onCreateDialog(int id) { |
| if (id == DIALOG_AP_SETTINGS) { |
| final Activity activity = getActivity(); |
| mDialog = new WifiApDialog(activity, this, mWifiConfig); |
| return mDialog; |
| } |
| |
| return null; |
| } |
| |
| private class TetherChangeReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context content, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(ConnectivityManager.ACTION_TETHER_STATE_CHANGED)) { |
| // TODO - this should understand the interface types |
| ArrayList<String> available = intent.getStringArrayListExtra( |
| ConnectivityManager.EXTRA_AVAILABLE_TETHER); |
| ArrayList<String> active = intent.getStringArrayListExtra( |
| ConnectivityManager.EXTRA_ACTIVE_TETHER); |
| ArrayList<String> errored = intent.getStringArrayListExtra( |
| ConnectivityManager.EXTRA_ERRORED_TETHER); |
| updateState(available.toArray(new String[available.size()]), |
| active.toArray(new String[active.size()]), |
| errored.toArray(new String[errored.size()])); |
| } else if (action.equals(Intent.ACTION_MEDIA_SHARED)) { |
| mMassStorageActive = true; |
| updateState(); |
| } else if (action.equals(Intent.ACTION_MEDIA_UNSHARED)) { |
| mMassStorageActive = false; |
| updateState(); |
| } else if (action.equals(UsbManager.ACTION_USB_STATE)) { |
| mUsbConnected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false); |
| updateState(); |
| } else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { |
| if (mBluetoothEnableForTether) { |
| switch (intent |
| .getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR)) { |
| case BluetoothAdapter.STATE_ON: |
| BluetoothPan bluetoothPan = mBluetoothPan.get(); |
| if (bluetoothPan != null) { |
| bluetoothPan.setBluetoothTethering(true); |
| mBluetoothEnableForTether = false; |
| } |
| break; |
| |
| case BluetoothAdapter.STATE_OFF: |
| case BluetoothAdapter.ERROR: |
| mBluetoothEnableForTether = false; |
| break; |
| |
| default: |
| // ignore transition states |
| } |
| } |
| updateState(); |
| } |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| |
| final Activity activity = getActivity(); |
| |
| mMassStorageActive = Environment.MEDIA_SHARED.equals(Environment.getExternalStorageState()); |
| mTetherChangeReceiver = new TetherChangeReceiver(); |
| IntentFilter filter = new IntentFilter(ConnectivityManager.ACTION_TETHER_STATE_CHANGED); |
| Intent intent = activity.registerReceiver(mTetherChangeReceiver, filter); |
| |
| filter = new IntentFilter(); |
| filter.addAction(UsbManager.ACTION_USB_STATE); |
| activity.registerReceiver(mTetherChangeReceiver, filter); |
| |
| filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_MEDIA_SHARED); |
| filter.addAction(Intent.ACTION_MEDIA_UNSHARED); |
| filter.addDataScheme("file"); |
| activity.registerReceiver(mTetherChangeReceiver, filter); |
| |
| filter = new IntentFilter(); |
| filter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); |
| activity.registerReceiver(mTetherChangeReceiver, filter); |
| |
| if (intent != null) mTetherChangeReceiver.onReceive(activity, intent); |
| if (mWifiApEnabler != null) { |
| mEnableWifiAp.setOnPreferenceChangeListener(this); |
| mWifiApEnabler.resume(); |
| } |
| |
| updateState(); |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| getActivity().unregisterReceiver(mTetherChangeReceiver); |
| mTetherChangeReceiver = null; |
| if (mWifiApEnabler != null) { |
| mEnableWifiAp.setOnPreferenceChangeListener(null); |
| mWifiApEnabler.pause(); |
| } |
| } |
| |
| private void updateState() { |
| ConnectivityManager cm = |
| (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| |
| String[] available = cm.getTetherableIfaces(); |
| String[] tethered = cm.getTetheredIfaces(); |
| String[] errored = cm.getTetheringErroredIfaces(); |
| updateState(available, tethered, errored); |
| } |
| |
| private void updateState(String[] available, String[] tethered, |
| String[] errored) { |
| updateUsbState(available, tethered, errored); |
| updateBluetoothState(available, tethered, errored); |
| } |
| |
| |
| private void updateUsbState(String[] available, String[] tethered, |
| String[] errored) { |
| ConnectivityManager cm = |
| (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| boolean usbAvailable = mUsbConnected && !mMassStorageActive; |
| int usbError = ConnectivityManager.TETHER_ERROR_NO_ERROR; |
| for (String s : available) { |
| for (String regex : mUsbRegexs) { |
| if (s.matches(regex)) { |
| if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| usbError = cm.getLastTetherError(s); |
| } |
| } |
| } |
| } |
| boolean usbTethered = false; |
| for (String s : tethered) { |
| for (String regex : mUsbRegexs) { |
| if (s.matches(regex)) usbTethered = true; |
| } |
| } |
| boolean usbErrored = false; |
| for (String s: errored) { |
| for (String regex : mUsbRegexs) { |
| if (s.matches(regex)) usbErrored = true; |
| } |
| } |
| |
| if (usbTethered) { |
| mUsbTether.setSummary(R.string.usb_tethering_active_subtext); |
| mUsbTether.setEnabled(true); |
| mUsbTether.setChecked(true); |
| } else if (usbAvailable) { |
| if (usbError == ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| mUsbTether.setSummary(R.string.usb_tethering_available_subtext); |
| } else { |
| mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| } |
| mUsbTether.setEnabled(true); |
| mUsbTether.setChecked(false); |
| } else if (usbErrored) { |
| mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| mUsbTether.setEnabled(false); |
| mUsbTether.setChecked(false); |
| } else if (mMassStorageActive) { |
| mUsbTether.setSummary(R.string.usb_tethering_storage_active_subtext); |
| mUsbTether.setEnabled(false); |
| mUsbTether.setChecked(false); |
| } else { |
| mUsbTether.setSummary(R.string.usb_tethering_unavailable_subtext); |
| mUsbTether.setEnabled(false); |
| mUsbTether.setChecked(false); |
| } |
| } |
| |
| private void updateBluetoothState(String[] available, String[] tethered, |
| String[] errored) { |
| boolean bluetoothErrored = false; |
| for (String s: errored) { |
| for (String regex : mBluetoothRegexs) { |
| if (s.matches(regex)) bluetoothErrored = true; |
| } |
| } |
| |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| int btState = adapter.getState(); |
| if (btState == BluetoothAdapter.STATE_TURNING_OFF) { |
| mBluetoothTether.setEnabled(false); |
| mBluetoothTether.setSummary(R.string.wifi_stopping); |
| } else if (btState == BluetoothAdapter.STATE_TURNING_ON) { |
| mBluetoothTether.setEnabled(false); |
| mBluetoothTether.setSummary(R.string.bluetooth_turning_on); |
| } else { |
| BluetoothPan bluetoothPan = mBluetoothPan.get(); |
| if (btState == BluetoothAdapter.STATE_ON && bluetoothPan != null && |
| bluetoothPan.isTetheringOn()) { |
| mBluetoothTether.setChecked(true); |
| mBluetoothTether.setEnabled(true); |
| int bluetoothTethered = bluetoothPan.getConnectedDevices().size(); |
| if (bluetoothTethered > 1) { |
| String summary = getString( |
| R.string.bluetooth_tethering_devices_connected_subtext, |
| bluetoothTethered); |
| mBluetoothTether.setSummary(summary); |
| } else if (bluetoothTethered == 1) { |
| mBluetoothTether.setSummary( |
| R.string.bluetooth_tethering_device_connected_subtext); |
| } else if (bluetoothErrored) { |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_errored_subtext); |
| } else { |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_available_subtext); |
| } |
| } else { |
| mBluetoothTether.setEnabled(true); |
| mBluetoothTether.setChecked(false); |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_off_subtext); |
| } |
| } |
| } |
| |
| public boolean onPreferenceChange(Preference preference, Object value) { |
| boolean enable = (Boolean) value; |
| |
| if (enable) { |
| startProvisioningIfNecessary(WIFI_TETHERING); |
| } else { |
| mWifiApEnabler.setSoftapEnabled(false); |
| } |
| return false; |
| } |
| |
| boolean isProvisioningNeeded() { |
| if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)) { |
| return false; |
| } |
| return mProvisionApp.length == 2; |
| } |
| |
| private void startProvisioningIfNecessary(int choice) { |
| mTetherChoice = choice; |
| if (isProvisioningNeeded()) { |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setClassName(mProvisionApp[0], mProvisionApp[1]); |
| startActivityForResult(intent, PROVISION_REQUEST); |
| } else { |
| startTethering(); |
| } |
| } |
| |
| public void onActivityResult(int requestCode, int resultCode, Intent intent) { |
| super.onActivityResult(requestCode, resultCode, intent); |
| if (requestCode == PROVISION_REQUEST) { |
| if (resultCode == Activity.RESULT_OK) { |
| startTethering(); |
| } else { |
| //BT and USB need checkbox turned off on failure |
| //Wifi tethering is never turned on until afterwards |
| switch (mTetherChoice) { |
| case BLUETOOTH_TETHERING: |
| mBluetoothTether.setChecked(false); |
| break; |
| case USB_TETHERING: |
| mUsbTether.setChecked(false); |
| break; |
| } |
| mTetherChoice = INVALID; |
| } |
| } |
| } |
| |
| private void startTethering() { |
| switch (mTetherChoice) { |
| case WIFI_TETHERING: |
| mWifiApEnabler.setSoftapEnabled(true); |
| break; |
| case BLUETOOTH_TETHERING: |
| // turn on Bluetooth first |
| BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); |
| if (adapter.getState() == BluetoothAdapter.STATE_OFF) { |
| mBluetoothEnableForTether = true; |
| adapter.enable(); |
| mBluetoothTether.setSummary(R.string.bluetooth_turning_on); |
| mBluetoothTether.setEnabled(false); |
| } else { |
| BluetoothPan bluetoothPan = mBluetoothPan.get(); |
| if (bluetoothPan != null) bluetoothPan.setBluetoothTethering(true); |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_available_subtext); |
| } |
| break; |
| case USB_TETHERING: |
| setUsbTethering(true); |
| break; |
| default: |
| //should not happen |
| break; |
| } |
| } |
| |
| private void setUsbTethering(boolean enabled) { |
| ConnectivityManager cm = |
| (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| mUsbTether.setChecked(false); |
| if (cm.setUsbTethering(enabled) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| mUsbTether.setSummary(R.string.usb_tethering_errored_subtext); |
| return; |
| } |
| mUsbTether.setSummary(""); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) { |
| ConnectivityManager cm = |
| (ConnectivityManager)getSystemService(Context.CONNECTIVITY_SERVICE); |
| |
| if (preference == mUsbTether) { |
| boolean newState = mUsbTether.isChecked(); |
| |
| if (newState) { |
| startProvisioningIfNecessary(USB_TETHERING); |
| } else { |
| setUsbTethering(newState); |
| } |
| } else if (preference == mBluetoothTether) { |
| boolean bluetoothTetherState = mBluetoothTether.isChecked(); |
| |
| if (bluetoothTetherState) { |
| startProvisioningIfNecessary(BLUETOOTH_TETHERING); |
| } else { |
| boolean errored = false; |
| |
| String [] tethered = cm.getTetheredIfaces(); |
| String bluetoothIface = findIface(tethered, mBluetoothRegexs); |
| if (bluetoothIface != null && |
| cm.untether(bluetoothIface) != ConnectivityManager.TETHER_ERROR_NO_ERROR) { |
| errored = true; |
| } |
| |
| BluetoothPan bluetoothPan = mBluetoothPan.get(); |
| if (bluetoothPan != null) bluetoothPan.setBluetoothTethering(false); |
| if (errored) { |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_errored_subtext); |
| } else { |
| mBluetoothTether.setSummary(R.string.bluetooth_tethering_off_subtext); |
| } |
| } |
| } else if (preference == mCreateNetwork) { |
| showDialog(DIALOG_AP_SETTINGS); |
| } |
| |
| return super.onPreferenceTreeClick(screen, preference); |
| } |
| |
| private static String findIface(String[] ifaces, String[] regexes) { |
| for (String iface : ifaces) { |
| for (String regex : regexes) { |
| if (iface.matches(regex)) { |
| return iface; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public void onClick(DialogInterface dialogInterface, int button) { |
| if (button == DialogInterface.BUTTON_POSITIVE) { |
| mWifiConfig = mDialog.getConfig(); |
| if (mWifiConfig != null) { |
| /** |
| * if soft AP is stopped, bring up |
| * else restart with new config |
| * TODO: update config on a running access point when framework support is added |
| */ |
| if (mWifiManager.getWifiApState() == WifiManager.WIFI_AP_STATE_ENABLED) { |
| mWifiManager.setWifiApEnabled(null, false); |
| mWifiManager.setWifiApEnabled(mWifiConfig, true); |
| } else { |
| mWifiManager.setWifiApConfiguration(mWifiConfig); |
| } |
| int index = WifiApDialog.getSecurityTypeIndex(mWifiConfig); |
| mCreateNetwork.setSummary(String.format(getActivity().getString(CONFIG_SUBTEXT), |
| mWifiConfig.SSID, |
| mSecurityType[index])); |
| } |
| } |
| } |
| |
| @Override |
| public int getHelpResource() { |
| return R.string.help_url_tether; |
| } |
| } |
