Updated: Wi-Fi p2p initial UI implementation

Change-Id: If60f42f76fa07a868d2e11b012b4697252c69f5f

AndroidManifest.xml

@@ -270,6 +270,24 @@
                 android:value="com.android.settings.Settings$WirelessSettingsActivity" />
         </activity-alias>
 
+        <activity android:name="Settings$WifiP2pSettingsActivity"
+                android:clearTaskOnLaunch="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.VOICE_LAUNCH" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                android:value="com.android.settings.WifiP2pSettings" />
+            <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
+                android:resource="@id/wireless_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/wireless_networks_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$WirelessSettingsActivity" />
+        </activity>
+
+
         <activity android:name="Settings$VpnSettingsActivity"
                 android:label="@string/vpn_settings_title"
                 android:clearTaskOnLaunch="true">

res/layout/wifi_p2p_dialog.xml

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+         android:layout_width="300sp"
+         android:layout_height="wrap_content">
+
+    <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="8dip"
+            android:orientation="vertical">
+
+        <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical" />
+
+            <TextView
+                    style="?android:attr/textAppearanceSmall"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dip"
+                    android:text="@string/wifi_p2p_device_info" />
+
+            <TextView android:id="@+id/device_name"
+                    style="?android:attr/textAppearanceMedium"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dip" />
+
+            <TextView android:id="@+id/device_address"
+                    style="?android:attr/textAppearanceMedium"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dip" />
+
+            <TextView
+                    style="?android:attr/textAppearanceSmall"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="8dip"
+                    android:text="@string/wifi_p2p_wps_setup" />
+
+            <Spinner android:id="@+id/wps_setup"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:prompt="@string/wifi_p2p_wps_setup"
+                    android:entries="@array/wifi_p2p_wps_setup" />
+
+           <LinearLayout android:id="@+id/wps_pin_entry"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:visibility="gone">
+
+                <TextView
+                    style="@style/wifi_item_label"
+                    android:text="@string/wifi_p2p_wps_pin" />
+
+                <EditText android:id="@+id/wps_pin"
+                    style="@style/wifi_item_content"
+                    android:singleLine="true"
+                    android:inputType="textPassword" />
+            </LinearLayout>
+
+
+            <CheckBox android:id="@+id/persist_network"
+                    style="?android:attr/textAppearanceSmall"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:text="@string/wifi_p2p_persist_network" />
+
+   </LinearLayout>
+</ScrollView>

res/values/arrays.xml

@@ -324,6 +324,28 @@
         <item>TTLS</item>
     </string-array>
 
+   <!-- Wi-Fi WPS setup for p2p connections.  -->
+   <!-- Note that adding/removing/moving the items will need wifi settings code change. -->
+    <string-array name="wifi_p2p_wps_setup">
+        <!-- Push button based configuration involves pushing a button on two connecting devices [CHAR LIMIT=30]-->
+        <item>Push button</item>
+        <!-- This involves entering a pin obtained from a peer device [CHAR LIMIT=30] -->
+        <item>Pin from peer device</item>
+        <!-- This involves generating a pin from this device [CHAR LIMIT=20] -->
+        <item>Pin from this device</item>
+    </string-array>
+
+    <!-- Match this with the order of WifiP2pDevice.Status -->
+    <!-- Wi-Fi p2p settings device status message -->
+    <string-array name="wifi_p2p_status">
+        <item>Connected</item>
+        <item>Invited</item>
+        <item>Failed</item>
+        <item>Available</item>
+        <item>Out of range</item>
+   </string-array>
+
+
     <!-- Bluetooth Settings -->
 
     <!-- Discoverable mode timeout options -->

res/values/strings.xml

@@ -1272,6 +1272,23 @@
     <!-- Hint text for network prefix length -->
     <string name="wifi_network_prefix_length_hint" translatable="false">24</string>
 
+
+    <!-- Wi-Fi p2p / Wi-Fi Direct settings -->
+    <!-- Used in the 1st-level settings screen to launch Wi-fi Direct settings [CHAR LIMIT=25] -->
+    <string name="wifi_p2p_settings_title">Wi-Fi Direct</string>
+    <!-- Summary for Wi-fi Direct settings item in the 1st-level settings screen [CHAR LIMIT=50]-->
+    <string name="wifi_p2p_settings_summary">Setup peer-to-peer connectivity</string>
+    <string name="wifi_p2p_device_info">Device Information</string>
+    <string name="wifi_p2p_wps_setup">Wi-Fi Protected Setup</string>
+    <string name="wifi_p2p_wps_pin">Enter pin</string>
+    <string name="wifi_p2p_persist_network">Remember this connection</string>
+    <!-- Menu option to discover peers-->
+    <string name="wifi_p2p_menu_search">Search</string>
+    <!-- Menu option to create a group-->
+    <string name="wifi_p2p_menu_create_group">Create group</string>
+    <!-- Menu option to Wi-Fi p2p advanced settings -->
+    <string name="wifi_p2p_menu_advanced">Advanced</string>
+
     <!-- Wifi AP settings-->
     <!-- Label for wifi tether checkbox. Toggles Access Point on/off -->
     <string name="wifi_tether_checkbox_text">Portable Wi-Fi hotspot</string>

res/xml/wifi_p2p_settings.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+
+</PreferenceScreen>

res/xml/wireless_settings.xml

@@ -45,6 +45,12 @@
         android:summary="@string/zeroclick_settings_summary" >
     </PreferenceScreen>
 
+    <PreferenceScreen
+        android:fragment="com.android.settings.WifiP2pSettings"
+        android:key="wifi_p2p_settings"
+        android:title="@string/wifi_p2p_settings_title"
+        android:summary="@string/wifi_p2p_settings_summary">
+    </PreferenceScreen>
 
     <PreferenceScreen
         android:key="mobile_network_settings"

src/com/android/settings/Settings.java

@@ -559,6 +559,7 @@ public class Settings extends PreferenceActivity implements ButtonBarHandler {
     public static class DateTimeSettingsActivity extends Settings { /* empty */ }
     public static class StorageSettingsActivity extends Settings { /* empty */ }
     public static class WifiSettingsActivity extends Settings { /* empty */ }
+    public static class WifiP2pSettingsActivity extends Settings { /* empty */ }
     public static class InputMethodAndLanguageSettingsActivity extends Settings { /* empty */ }
     public static class InputMethodAndSubtypeEnablerActivity extends Settings { /* empty */ }
     public static class LocalePickerActivity extends Settings { /* empty */ }

src/com/android/settings/WirelessSettings.java

@@ -21,6 +21,7 @@ import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.content.Intent;
 import android.net.ConnectivityManager;
+import android.net.wifi.p2p.WifiP2pManager;
 import android.nfc.NfcAdapter;
 import android.os.Bundle;
 import android.os.SystemProperties;
@@ -28,6 +29,9 @@ import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Switch;
 
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.telephony.TelephonyProperties;
@@ -39,6 +43,7 @@ public class WirelessSettings extends SettingsPreferenceFragment {
     private static final String KEY_TOGGLE_NFC = "toggle_nfc";
     private static final String KEY_ZEROCLICK_SETTINGS = "zeroclick_settings";
     private static final String KEY_VPN_SETTINGS = "vpn_settings";
+    private static final String KEY_WIFI_P2P_SETTINGS = "wifi_p2p_settings";
     private static final String KEY_TETHER_SETTINGS = "tether_settings";
     private static final String KEY_PROXY_SETTINGS = "proxy_settings";
     private static final String KEY_MOBILE_NETWORK_SETTINGS = "mobile_network_settings";
@@ -118,6 +123,11 @@ public class WirelessSettings extends SettingsPreferenceFragment {
             getPreferenceScreen().removePreference(findPreference(KEY_MOBILE_NETWORK_SETTINGS));
         }
 
+        WifiP2pManager wifiP2p = (WifiP2pManager) getSystemService(Context.WIFI_P2P_SERVICE);
+        if (!wifiP2p.isP2pSupported()) {
+            getPreferenceScreen().removePreference(findPreference(KEY_WIFI_P2P_SETTINGS));
+        }
+
         // Enable Proxy selector settings if allowed.
         Preference mGlobalProxy = findPreference(KEY_PROXY_SETTINGS);
         DevicePolicyManager mDPM = (DevicePolicyManager)

src/com/android/settings/wifi/WifiConfigController.java

@@ -90,8 +90,8 @@ public class WifiConfigController implements TextWatcher,
     /* These values come from "wifi_network_setup" resource array */
     public static final int MANUAL = 0;
     public static final int WPS_PBC = 1;
-    public static final int WPS_PIN_FROM_ACCESS_POINT = 2;
+    public static final int WPS_KEYPAD = 2;
-    public static final int WPS_PIN_FROM_DEVICE = 3;
+    public static final int WPS_DISPLAY = 3;
 
     /* These values come from "wifi_proxy_settings" resource array */
     public static final int PROXY_NONE = 0;
@@ -473,11 +473,11 @@ public class WifiConfigController implements TextWatcher,
             case WPS_PBC:
                 config.setup = Setup.PBC;
                 break;
-            case WPS_PIN_FROM_ACCESS_POINT:
+            case WPS_KEYPAD:
-                config.setup = Setup.PIN_FROM_ACCESS_POINT;
+                config.setup = Setup.KEYPAD;
                 break;
-            case WPS_PIN_FROM_DEVICE:
+            case WPS_DISPLAY:
-                config.setup = Setup.PIN_FROM_DEVICE;
+                config.setup = Setup.DISPLAY;
                 break;
             default:
                 config.setup = Setup.INVALID;
@@ -559,14 +559,14 @@ public class WifiConfigController implements TextWatcher,
         int pos = mNetworkSetupSpinner.getSelectedItemPosition();
 
         /* Show pin text input if needed */
-        if (pos == WPS_PIN_FROM_ACCESS_POINT) {
+        if (pos == WPS_DISPLAY) {
             mView.findViewById(R.id.wps_fields).setVisibility(View.VISIBLE);
         } else {
             mView.findViewById(R.id.wps_fields).setVisibility(View.GONE);
         }
 
         /* show/hide manual security fields appropriately */
-        if ((pos == WPS_PIN_FROM_ACCESS_POINT) || (pos == WPS_PIN_FROM_DEVICE)
+        if ((pos == WPS_DISPLAY) || (pos == WPS_KEYPAD)
                 || (pos == WPS_PBC)) {
             mView.findViewById(R.id.security_fields).setVisibility(View.GONE);
         } else {

src/com/android/settings/wifi/WifiSettings.java

@@ -683,8 +683,8 @@ public class WifiSettings extends SettingsPreferenceFragment
         int networkSetup = configController.chosenNetworkSetupMethod();
         switch(networkSetup) {
             case WifiConfigController.WPS_PBC:
-            case WifiConfigController.WPS_PIN_FROM_ACCESS_POINT:
+            case WifiConfigController.WPS_DISPLAY:
-            case WifiConfigController.WPS_PIN_FROM_DEVICE:
+            case WifiConfigController.WPS_KEYPAD:
                 mWifiManager.startWps(configController.getWpsConfig());
                 break;
             case WifiConfigController.MANUAL:

src/com/android/settings/wifi/p2p/WifiP2pDialog.java

@@ -0,0 +1,137 @@
+/*
+ * 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.wifi.p2p;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.net.wifi.WpsConfiguration;
+import android.net.wifi.WpsConfiguration.Setup;
+import android.net.wifi.p2p.WifiP2pConfig;
+import android.net.wifi.p2p.WifiP2pDevice;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.CheckBox;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import com.android.settings.R;
+
+/**
+ * Dialog to setup a p2p connection
+ */
+public class WifiP2pDialog extends AlertDialog implements AdapterView.OnItemSelectedListener {
+
+    static final int BUTTON_SUBMIT = DialogInterface.BUTTON_POSITIVE;
+
+    private final DialogInterface.OnClickListener mListener;
+
+    private View mView;
+    private TextView mDeviceName;
+    private TextView mDeviceAddress;
+
+    /* These values come from "wifi_p2p_wps_setup" resource array */
+    private static final int WPS_PBC = 0;
+    private static final int WPS_KEYPAD = 1;
+    private static final int WPS_DISPLAY = 2;
+
+    private int mWpsSetupIndex = WPS_PBC; //default is pbc
+
+    WifiP2pDevice mDevice;
+
+    public WifiP2pDialog(Context context, DialogInterface.OnClickListener listener,
+            WifiP2pDevice device) {
+        super(context);
+        mListener = listener;
+        mDevice = device;
+    }
+
+    public WifiP2pConfig getConfig() {
+        WifiP2pConfig config = new WifiP2pConfig();
+        config.deviceAddress = mDeviceAddress.getText().toString();
+        config.deviceName = mDeviceName.getText().toString();
+        config.wpsConfig = new WpsConfiguration();
+        switch (mWpsSetupIndex) {
+            case WPS_PBC:
+                config.wpsConfig.setup = Setup.PBC;
+                break;
+            case WPS_KEYPAD:
+                config.wpsConfig.setup = Setup.KEYPAD;
+                config.wpsConfig.pin = ((TextView) mView.findViewById(R.id.wps_pin)).
+                        getText().toString();
+                break;
+            case WPS_DISPLAY:
+                config.wpsConfig.setup = Setup.DISPLAY;
+                break;
+            default:
+                config.wpsConfig.setup = Setup.PBC;
+                break;
+        }
+        if (mDevice.isGroupOwner()) {
+            config.joinExistingGroup = true;
+        }
+        return config;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+
+        mView = getLayoutInflater().inflate(R.layout.wifi_p2p_dialog, null);
+        Spinner mWpsSetup = ((Spinner) mView.findViewById(R.id.wps_setup));
+
+        setView(mView);
+        setInverseBackgroundForced(true);
+
+        Context context = getContext();
+
+        setTitle(R.string.wifi_p2p_settings_title);
+        mDeviceName = (TextView) mView.findViewById(R.id.device_name);
+        mDeviceAddress = (TextView) mView.findViewById(R.id.device_address);
+
+        setButton(BUTTON_SUBMIT, context.getString(R.string.wifi_connect), mListener);
+        setButton(DialogInterface.BUTTON_NEGATIVE,
+                    context.getString(R.string.wifi_cancel), mListener);
+
+        if (mDevice != null) {
+            mDeviceName.setText(mDevice.deviceName);
+            mDeviceAddress.setText(mDevice.deviceAddress);
+            mWpsSetup.setSelection(mWpsSetupIndex); //keep pbc as default
+       }
+
+        mWpsSetup.setOnItemSelectedListener(this);
+
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+        mWpsSetupIndex = position;
+
+        if (mWpsSetupIndex == WPS_KEYPAD) {
+            mView.findViewById(R.id.wps_pin_entry).setVisibility(View.VISIBLE);
+        } else {
+            mView.findViewById(R.id.wps_pin_entry).setVisibility(View.GONE);
+        }
+        return;
+    }
+
+    @Override
+    public void onNothingSelected(AdapterView<?> parent) {
+    }
+
+}

src/com/android/settings/wifi/p2p/WifiP2pEnabler.java

@@ -0,0 +1,144 @@
+/*
+ * 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.wifi.p2p;
+
+import com.android.settings.R;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.wifi.p2p.WifiP2pManager;
+import android.os.Handler;
+import android.os.Message;
+import android.preference.Preference;
+import android.provider.Settings;
+import android.util.Log;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+
+/**
+ * WifiP2pEnabler is a helper to manage the Wifi p2p on/off
+ */
+public class WifiP2pEnabler implements CompoundButton.OnCheckedChangeListener {
+    private static final String TAG = "WifiP2pEnabler";
+
+    private final Context mContext;
+    private Switch mSwitch;
+    private int mWifiP2pState;
+    private final IntentFilter mIntentFilter;
+    private final Handler mHandler = new WifiP2pHandler();
+    private WifiP2pManager mWifiP2pManager;
+
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+
+            if (WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION.equals(action)) {
+                handleP2pStateChanged(intent.getIntExtra(
+                        WifiP2pManager.EXTRA_WIFI_STATE, WifiP2pManager.WIFI_P2P_STATE_DISABLED));
+            }
+        }
+    };
+
+    public WifiP2pEnabler(Context context, Switch switch_) {
+        mContext = context;
+        mSwitch = switch_;
+
+        mWifiP2pManager = (WifiP2pManager) context.getSystemService(Context.WIFI_P2P_SERVICE);
+        if (!mWifiP2pManager.connectHandler(mContext, mHandler)) {
+            //Failure to set up connection
+            Log.e(TAG, "Failed to set up connection with wifi p2p service");
+            mWifiP2pManager = null;
+            mSwitch.setEnabled(false);
+        }
+        mIntentFilter = new IntentFilter(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
+
+    }
+
+    public void resume() {
+        if (mWifiP2pManager == null) return;
+        mContext.registerReceiver(mReceiver, mIntentFilter);
+        mSwitch.setOnCheckedChangeListener(this);
+    }
+
+    public void pause() {
+        if (mWifiP2pManager == null) return;
+        mContext.unregisterReceiver(mReceiver);
+        mSwitch.setOnCheckedChangeListener(null);
+    }
+
+    public void setSwitch(Switch switch_) {
+        if (mSwitch == switch_) return;
+        mSwitch.setOnCheckedChangeListener(null);
+        mSwitch = switch_;
+        mSwitch.setOnCheckedChangeListener(this);
+
+        mSwitch.setChecked(mWifiP2pState == WifiP2pManager.WIFI_P2P_STATE_ENABLED);
+    }
+
+    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+
+        if (mWifiP2pManager == null) return;
+
+        if (isChecked) {
+            mWifiP2pManager.enableP2p();
+        } else {
+            mWifiP2pManager.disableP2p();
+        }
+    }
+
+    private void handleP2pStateChanged(int state) {
+        mSwitch.setEnabled(true);
+        switch (state) {
+            case WifiP2pManager.WIFI_P2P_STATE_ENABLED:
+                mWifiP2pState = WifiP2pManager.WIFI_P2P_STATE_ENABLED;
+                mSwitch.setChecked(true);
+                break;
+            case WifiP2pManager.WIFI_P2P_STATE_DISABLED:
+                mWifiP2pState = WifiP2pManager.WIFI_P2P_STATE_DISABLED;
+                mSwitch.setChecked(false);
+                break;
+            default:
+                mWifiP2pState = WifiP2pManager.WIFI_P2P_STATE_DISABLED;
+                Log.e(TAG,"Unhandled wifi state " + state);
+                break;
+        }
+    }
+
+    private class WifiP2pHandler extends Handler {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case WifiP2pManager.HANDLER_DISCONNECTION:
+                    //Failure to set up connection
+                    Log.e(TAG, "Lost connection with wifi p2p service");
+                    mWifiP2pManager = null;
+                    mSwitch.setEnabled(false);
+                    break;
+                case WifiP2pManager.ENABLE_P2P_FAILED:
+                    mSwitch.setEnabled(true);
+                    break;
+                default:
+                    //Ignore
+                    break;
+            }
+        }
+    }
+
+}

src/com/android/settings/wifi/p2p/WifiP2pPeer.java

@@ -0,0 +1,104 @@
+/*
+ * 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.wifi.p2p;
+
+import com.android.settings.R;
+
+import android.content.Context;
+import android.net.wifi.WifiManager;
+import android.net.wifi.p2p.WifiP2pManager;
+import android.net.wifi.p2p.WifiP2pDevice;
+import android.net.wifi.p2p.WifiP2pDevice.Status;
+import android.preference.Preference;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.ImageView;
+
+import java.util.Comparator;
+
+public class WifiP2pPeer extends Preference {
+
+    private static final int[] STATE_SECURED = {R.attr.state_encrypted};
+    public WifiP2pDevice device;
+
+    private int mRssi;
+    private ImageView mSignal;
+
+    private static final int SIGNAL_LEVELS = 4;
+
+    public WifiP2pPeer(Context context, WifiP2pDevice dev) {
+        super(context);
+        device = dev;
+        setWidgetLayoutResource(R.layout.preference_widget_wifi_signal);
+        mRssi = 60; //TODO: fix
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        if (TextUtils.isEmpty(device.deviceName)) {
+            setTitle(device.deviceAddress);
+        } else {
+            setTitle(device.deviceName);
+        }
+        mSignal = (ImageView) view.findViewById(R.id.signal);
+        if (mRssi == Integer.MAX_VALUE) {
+            mSignal.setImageDrawable(null);
+        } else {
+            mSignal.setImageResource(R.drawable.wifi_signal);
+            mSignal.setImageState(STATE_SECURED,  true);
+        }
+        refresh();
+        super.onBindView(view);
+    }
+
+    @Override
+    public int compareTo(Preference preference) {
+        if (!(preference instanceof WifiP2pPeer)) {
+            return 1;
+        }
+        WifiP2pPeer other = (WifiP2pPeer) preference;
+
+        // devices go in the order of the status
+        if (device.status != other.device.status) {
+            return device.status.ordinal() < other.device.status.ordinal() ? -1 : 1;
+        }
+
+        // Sort by name/address
+        if (device.deviceName != null) {
+            return device.deviceName.compareToIgnoreCase(other.device.deviceName);
+        }
+
+        return device.deviceAddress.compareToIgnoreCase(other.device.deviceAddress);
+    }
+
+    int getLevel() {
+        if (mRssi == Integer.MAX_VALUE) {
+            return -1;
+        }
+        return WifiManager.calculateSignalLevel(mRssi, SIGNAL_LEVELS);
+    }
+
+    private void refresh() {
+        if (mSignal == null) {
+            return;
+        }
+        Context context = getContext();
+        mSignal.setImageLevel(getLevel());
+        String[] statusArray = context.getResources().getStringArray(R.array.wifi_p2p_status);
+        setSummary(statusArray[device.status.ordinal()]);
+    }
+}

src/com/android/settings/wifi/p2p/WifiP2pSettings.java

@@ -0,0 +1,257 @@
+/*
+ * 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 android.app.ActionBar;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.net.wifi.p2p.WifiP2pConfig;
+import android.net.wifi.p2p.WifiP2pDevice;
+import android.net.wifi.p2p.WifiP2pDeviceList;
+import android.net.wifi.p2p.WifiP2pManager;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceScreen;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.Switch;
+
+import com.android.settings.wifi.p2p.WifiP2pDialog;
+import com.android.settings.wifi.p2p.WifiP2pEnabler;
+import com.android.settings.wifi.p2p.WifiP2pPeer;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Collection;
+
+/*
+ * Displays Wi-fi p2p settings UI
+ */
+public class WifiP2pSettings extends SettingsPreferenceFragment {
+
+    private static final String TAG = "WifiP2pSettings";
+    private static final int MENU_ID_SEARCH = Menu.FIRST;
+    private static final int MENU_ID_CREATE_GROUP = Menu.FIRST + 1;
+    private static final int MENU_ID_ADVANCED = Menu.FIRST +2;
+
+
+    private final IntentFilter mIntentFilter = new IntentFilter();
+    private final Handler mHandler = new WifiP2pHandler();
+    private WifiP2pManager mWifiP2pManager;
+    private WifiP2pEnabler mWifiP2pEnabler;
+    private WifiP2pDialog mConnectDialog;
+    private OnClickListener mConnectListener;
+    private OnClickListener mDisconnectListener;
+    private WifiP2pPeer mSelectedWifiPeer;
+
+    private static final int DIALOG_CONNECT     = 1;
+    private static final int DIALOG_DISCONNECT  = 2;
+
+    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+
+            if (WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION.equals(action)) {
+                //TODO: nothing right now
+            } else if (WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION.equals(action)) {
+                if (mWifiP2pManager != null) mWifiP2pManager.requestPeers();
+            }
+        }
+    };
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        addPreferencesFromResource(R.xml.wifi_p2p_settings);
+
+        mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION);
+        mIntentFilter.addAction(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION);
+
+        final Activity activity = getActivity();
+        mWifiP2pManager = (WifiP2pManager) getSystemService(Context.WIFI_P2P_SERVICE);
+        if (!mWifiP2pManager.connectHandler(activity, mHandler)) {
+            //Failure to set up connection
+            Log.e(TAG, "Failed to set up connection with wifi p2p service");
+            mWifiP2pManager = null;
+        }
+
+        Switch actionBarSwitch = new Switch(activity);
+
+        if (activity instanceof PreferenceActivity) {
+            PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
+            if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
+                final int padding = activity.getResources().getDimensionPixelSize(
+                        R.dimen.action_bar_switch_padding);
+                actionBarSwitch.setPadding(0, 0, padding, 0);
+                activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
+                        ActionBar.DISPLAY_SHOW_CUSTOM);
+                activity.getActionBar().setCustomView(actionBarSwitch, new ActionBar.LayoutParams(
+                            ActionBar.LayoutParams.WRAP_CONTENT,
+                            ActionBar.LayoutParams.WRAP_CONTENT,
+                            Gravity.CENTER_VERTICAL | Gravity.RIGHT));
+            }
+        }
+
+        mWifiP2pEnabler = new WifiP2pEnabler(activity, actionBarSwitch);
+
+        //connect dialog listener
+        mConnectListener = new OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                if (which == DialogInterface.BUTTON_POSITIVE) {
+                    WifiP2pConfig config = mConnectDialog.getConfig();
+                    if (mWifiP2pManager != null) {
+                        mWifiP2pManager.connect(config);
+                    }
+                }
+            }
+        };
+
+        //disconnect dialog listener
+        mDisconnectListener = new OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                if (which == DialogInterface.BUTTON_POSITIVE) {
+                    if (mWifiP2pManager != null) {
+                        mWifiP2pManager.disconnect();
+                    }
+                }
+            }
+        };
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        getActivity().registerReceiver(mReceiver, mIntentFilter);
+        if (mWifiP2pEnabler != null) {
+            mWifiP2pEnabler.resume();
+        }
+        if (mWifiP2pManager != null) mWifiP2pManager.discoverPeers();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (mWifiP2pEnabler != null) {
+            mWifiP2pEnabler.pause();
+        }
+        getActivity().unregisterReceiver(mReceiver);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        menu.add(Menu.NONE, MENU_ID_SEARCH, 0, R.string.wifi_p2p_menu_search)
+            .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+        menu.add(Menu.NONE, MENU_ID_CREATE_GROUP, 0, R.string.wifi_p2p_menu_create_group)
+            .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+        menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_p2p_menu_advanced)
+            .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case MENU_ID_SEARCH:
+                mWifiP2pManager.discoverPeers();
+                return true;
+            case MENU_ID_CREATE_GROUP:
+                mWifiP2pManager.createGroup();
+                return true;
+            case MENU_ID_ADVANCED:
+                //TODO: add advanced settings for p2p
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
+        if (preference instanceof WifiP2pPeer) {
+            mSelectedWifiPeer = (WifiP2pPeer) preference;
+            if (mSelectedWifiPeer.device.status == WifiP2pDevice.Status.CONNECTED) {
+                showDialog(DIALOG_DISCONNECT);
+            } else {
+                showDialog(DIALOG_CONNECT);
+            }
+        }
+        return super.onPreferenceTreeClick(screen, preference);
+    }
+
+    @Override
+    public Dialog onCreateDialog(int id) {
+        if (id == DIALOG_CONNECT) {
+            mConnectDialog = new WifiP2pDialog(getActivity(), mConnectListener,
+                mSelectedWifiPeer.device);
+            return mConnectDialog;
+        } else if (id == DIALOG_DISCONNECT) {
+            AlertDialog dialog = new AlertDialog.Builder(getActivity())
+                .setTitle("Disconnect ?")
+                .setMessage("Do you want to disconnect ?")
+                .setPositiveButton(getActivity().getString(R.string.dlg_ok), mDisconnectListener)
+                .setNegativeButton(getActivity().getString(R.string.dlg_cancel), null)
+                .create();
+            return dialog;
+        }
+        return null;
+    }
+
+    private void updatePeers(WifiP2pDeviceList peers) {
+        final PreferenceScreen preferenceScreen = getPreferenceScreen();
+        preferenceScreen.removeAll();
+
+        for (WifiP2pDevice peer: peers.getDeviceList()) {
+            preferenceScreen.addPreference(new WifiP2pPeer(getActivity(), peer));
+        }
+    }
+
+    private class WifiP2pHandler extends Handler {
+        @Override
+        public void handleMessage(Message message) {
+            switch (message.what) {
+                case WifiP2pManager.HANDLER_DISCONNECTION:
+                    //Failure to set up connection
+                    Log.e(TAG, "Lost connection with wifi p2p service");
+                    mWifiP2pManager = null;
+                    break;
+                case WifiP2pManager.RESPONSE_PEERS:
+                    updatePeers(mWifiP2pManager.peersInResponse(message));
+                    break;
+                default:
+                    //Ignore
+                    break;
+            }
+        }
+    }
+
+}