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- package de.tudarmstadt.informatik.hostage.sync.wifi_direct.ui;
- import android.app.Activity;
- import android.app.AlertDialog;
- import android.app.ProgressDialog;
- import android.content.Context;
- import android.content.DialogInterface;
- import android.content.Intent;
- import android.net.wifi.p2p.WifiP2pDevice;
- import android.net.wifi.p2p.WifiP2pInfo;
- import android.os.Bundle;
- import android.provider.Settings;
- import android.util.Log;
- import android.view.LayoutInflater;
- import android.view.MenuItem;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.AdapterView;
- import android.widget.ArrayAdapter;
- import android.widget.ListView;
- import android.widget.RelativeLayout;
- import android.widget.TextView;
- import android.widget.Toast;
- import android.widget.ViewAnimator;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Timer;
- import java.util.TimerTask;
- import de.tudarmstadt.informatik.hostage.R;
- import de.tudarmstadt.informatik.hostage.sync.wifi_direct.BackgroundTask;
- import de.tudarmstadt.informatik.hostage.sync.wifi_direct.WiFiP2pEventHandler;
- import de.tudarmstadt.informatik.hostage.sync.wifi_direct.sync_tasks.SyncClientTask;
- import de.tudarmstadt.informatik.hostage.sync.wifi_direct.sync_tasks.SyncHostTask;
- import de.tudarmstadt.informatik.hostage.ui.activity.MainActivity;
- /**
- * Created by Julien on 14.01.2015.
- */
- public class WiFiP2pSyncActivity extends Activity implements AdapterView.OnItemClickListener {
- public static String CONNECTION_LOST_MESSAGE = MainActivity.getContext().getString(R.string.CONNECTION_LOST_MESSAGE);// "Connection lost permanently, please enable wifi direct.";
- public static String COULD_NOT_CONNECT_MESSAGE =MainActivity.getContext().getString(R.string.COULD_NOT_CONNECT_MESSAGE);// "Could not connect to device. Retry.";
- public static String SYNCHRONIZATION_COMPLETE_MESSAGE =MainActivity.getContext().getString(R.string.SYNCHRONIZATION_COMPLETE_MESSAGE);// "Synchronization complete.";
- public static String SYNCHRONIZATION_FAILED_MESSAGE =MainActivity.getContext().getString(R.string.SYNCHRONIZATION_FAILED_MESSAGE);// "Could not synchronize devices. Retry";
- public static String PERFORMING_TASK_AS_HOST =MainActivity.getContext().getString(R.string.PERFORMING_TASK_AS_HOST);// "Acting as Host.";
- public static String PERFORMING_TASK_AS_CLIENT = MainActivity.getContext().getString(R.string.PERFORMING_TASK_AS_CLIENT);//"Acting as Client.";
- public static String ACTIONBAR_TITLE =MainActivity.getContext().getString(R.string.ACTIONBAR_TITLE);// "WifiDirect Synchronization";
- public static String PROGRESS_MESSAGE_LOADING =MainActivity.getContext().getString(R.string.PROGRESS_TITLE_LOADING);// "Loading...";
- public static String PROGRESS_MESSAGE_CONNECTING = MainActivity.getContext().getString(R.string.PROGRESS_TITLE_CONNECTING);//"Connecting...";
- public static String PROGRESS_TITLE_SYNC = MainActivity.getContext().getString(R.string.PROGRESS_TITLE_SYNC);//"Connecting...";
- public static String DEVICE_STATUS_AVAILABLE =MainActivity.getContext().getString(R.string.DEVICE_STATUS_AVAILABLE);// "Available";
- public static String DEVICE_STATUS_INVITED =MainActivity.getContext().getString(R.string.DEVICE_STATUS_INVITED);// "Invited";
- public static String DEVICE_STATUS_CONNECTED = MainActivity.getContext().getString(R.string.DEVICE_STATUS_CONNECTED);//"Connected";
- public static String DEVICE_STATUS_FAILED =MainActivity.getContext().getString(R.string.DEVICE_STATUS_FAILED);// "Failed";
- public static String DEVICE_STATUS_UNAVAILABLE =MainActivity.getContext().getString(R.string.DEVICE_STATUS_UNAVAILABLE);// "Unavailable";
- public static String DEVICE_STATUS_UNKNOWN =MainActivity.getContext().getString(R.string.DEVICE_STATUS_UNKNOWN);// "Unknown";
- public static String WIFI_STATUS_DISABLED_MESSAGE =MainActivity.getContext().getString(R.string.WIFI_STATUS_DISABLED_MESSAGE);// "WiFi Direct down, please enable WiFi Direct";
- public static String WIFI_STATUS_ENABLE_BUTTON = MainActivity.getContext().getString(R.string.WIFI_STATUS_ENABLE_BUTTON);//"Enable WiFi Direct";
- public static String CANCEL_BUTTON_TITLE =MainActivity.getContext().getString(R.string.CANCEL_BUTTON_TITLE);// "Cancel";
- private SyncClientTask clientTask;
- private SyncHostTask hostTask;
- private BackgroundTask executingTask;
- private boolean isHost;
- private WiFiP2pEventHandler _wifiEventHandler = null;
- private WiFiP2pEventHandler.WiFiP2pEventListener _p2pEventListener = null;
- private BackgroundTask.BackgroundTaskCompletionListener _syncCompletionListener = null;
- private TextView mTxtP2PDeviceName;
- private TextView mTxtP2PDeviceStatus;
- private ViewAnimator mViewAnimator;
- private RelativeLayout mDevicesContainer;
- private TextView mTxtP2PSearchProgress;
- private ListView mLstP2PDevices;
- private RelativeLayout mWelcomeContainer;
- private TextView mTxtP2PNotAvailable;
- private TextView mTxtP2PChangeDeviceName;
- private WifiP2pDevice ownDevice;
- private WifiP2pDevice mOtherDevice;
- private ArrayList<WifiP2pDevice> discoveredDevices = new ArrayList<WifiP2pDevice>();
- private ProgressDialog progressDialog;
- public boolean isHost() {
- return isHost;
- }
- public void setHost(boolean isHost) {
- this.isHost = isHost;
- }
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- this.wifiEventHandler();
- this.progressDialog = new ProgressDialog(this);
- this.progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
- this.progressDialog.setIndeterminate(true);
- this.progressDialog.setTitle(PROGRESS_TITLE_SYNC);
- setContentView(R.layout.activity_p2_psync);
- assert getActionBar() != null;
- getActionBar().setTitle(ACTIONBAR_TITLE);
- getActionBar().setDisplayHomeAsUpEnabled(true);
- this.extractFromView();
- this.registerListeners();
- this.wifiEventHandler().startService();
- int seconds = 25;
- new Timer().scheduleAtFixedRate(new TimerTask() {
- @Override
- public void run() {
- runOnUiThread(new Runnable() {
- @Override
- public void run() {
- searchForDevices();
- }
- });
- }
- }, 1000, seconds * 1000); // search for devices every few seconds
- }
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- if (item.getItemId() == android.R.id.home) {
- finish();
- }
- return super.onOptionsItemSelected(item);
- }
- @Override
- public void onResume() {
- super.onResume();
- this.wifiEventHandler().startService();
- }
- @Override
- public void onPause() {
- if (this.clientTask != null) this.clientTask.interrupt(true);
- if (this.hostTask != null) this.hostTask.interrupt(true);
- this.wifiEventHandler().disconnect();
- this.wifiEventHandler().stopService();
- super.onPause();
- }
- @Override
- protected void onStart()
- {
- super.onStart();
- this.wifiEventHandler().startService();
- }
- @Override
- protected void onStop()
- {
- if (this.clientTask != null) this.clientTask.interrupt(true);
- if (this.hostTask != null) this.hostTask.interrupt(true);
- this.wifiEventHandler().disconnect();
- this.wifiEventHandler().stopService();
- super.onStop();
- }
- @Override
- protected void onDestroy(){
- if (this.clientTask != null) this.clientTask.interrupt(true);
- if (this.hostTask != null) this.hostTask.interrupt(true);
- this.wifiEventHandler().stopService();
- super.onDestroy();
- }
- /**
- * Returns a instance of the wifi event handler listener object. If no private instance was initiated it creates a new one.
- * This object handles all gui changes.
- * @return WiFiP2pEventHandler.WiFiP2pEventListener
- */
- private WiFiP2pEventHandler.WiFiP2pEventListener eventListener(){
- if (_p2pEventListener == null){
- _p2pEventListener = new WiFiP2pEventHandler.WiFiP2pEventListener() {
- WiFiP2pSyncActivity activity = null;
- public WiFiP2pEventHandler.WiFiP2pEventListener init(WiFiP2pSyncActivity act){
- this.activity = act;
- return this;
- }
- @Override
- public void discoveredDevices(List<WifiP2pDevice> peers) {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Actualise devices list");
- this.activity.updateDeviceListView(peers);
- }
- @Override
- public void wifiP2pIsEnabled(boolean enabled) {
- String tmp = enabled? "enabled" : "disabled";
- Log.d("DEBUG_WiFiP2pSyncActivity", "Peer to peer is " + tmp + ".");
- this.activity.setWifiDirectAvailable(enabled);
- }
- @Override
- public void didConnect(boolean isHost, WifiP2pInfo connectionInfo) {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Did connect");
- this.activity.progressDialog.setMessage(PROGRESS_MESSAGE_LOADING);
- if (!this.activity.progressDialog.isShowing()){
- this.activity.progressDialog.show();
- }
- this.activity.setHost(isHost);
- if (isHost){
- Log.d("DEBUG_WiFiP2pSyncActivity", "Connected as HOST");
- this.activity.startHost();
- } else {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Connected as Client");
- this.activity.startClient(connectionInfo);
- }
- }
- @Override
- public void failedToConnect() {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Failed to connect");
- Toast.makeText(this.activity, COULD_NOT_CONNECT_MESSAGE , Toast.LENGTH_LONG).show();
- if (this.activity.progressDialog != null){
- this.activity.progressDialog.dismiss();
- }
- }
- @Override
- public void didDisconnect() {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Did disconnect");
- if (this.activity.progressDialog != null){
- this.activity.progressDialog.dismiss();
- }
- }
- @Override
- public void failedToDisconnect() {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Failed to disconnect");
- //Toast.makeText(this.activity, "Could not disconnect with device. Retry.", Toast.LENGTH_LONG).show();
- // Other device did disconnect a while before.
- if (this.activity.progressDialog != null &&
- ((this.activity.hostTask == null && this.activity.clientTask == null) ||
- (this.activity.clientTask != null && this.activity.clientTask.isInterrupted()) ||
- (this.activity.hostTask != null && this.activity.hostTask.isInterrupted()) ||
- (this.activity.ownDevice == null && this.activity.ownDevice.status != WifiP2pDevice.CONNECTED)
- )){
- this.activity.progressDialog.dismiss();
- }
- }
- @Override
- public void ownDeviceInformationIsUpdated(WifiP2pDevice device) {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Updated device " + device.deviceName + " " + device.deviceAddress + ".");
- this.activity.updateOwnDeviceInformation(device);
- this.activity.searchForDevices();
- }
- @Override
- public void onConnectionLost() {
- Toast.makeText(this.activity, CONNECTION_LOST_MESSAGE , Toast.LENGTH_LONG).show();
- if (this.activity.progressDialog != null && this.activity.progressDialog.isShowing()){
- this.activity.progressDialog.dismiss();
- }
- }
- }.init(this);
- }
- return _p2pEventListener;
- }
- /**
- * Returns a instance of the wifi event handler. If no private instance was initiated it creates a new one.
- * @return WiFiP2pEventHandler
- */
- private WiFiP2pEventHandler wifiEventHandler(){
- if (this._wifiEventHandler == null){
- this._wifiEventHandler = new WiFiP2pEventHandler(this, this.eventListener());
- }
- return this._wifiEventHandler;
- }
- /**
- * Returns a sync completion listener. If no listener was initiated it creates a new on.
- * @return BackgroundTaskCompletionListener
- */
- private BackgroundTask.BackgroundTaskCompletionListener syncCompletionListener(){
- if (_syncCompletionListener == null){
- _syncCompletionListener = new BackgroundTask.BackgroundTaskCompletionListener() {
- WiFiP2pSyncActivity activity = null;
- public BackgroundTask.BackgroundTaskCompletionListener init(WiFiP2pSyncActivity act){
- this.activity = act;
- return this;
- }
- @Override
- public void didSucceed() {
- Toast.makeText(this.activity, SYNCHRONIZATION_COMPLETE_MESSAGE , Toast.LENGTH_SHORT).show();
- this.activity.wifiEventHandler().disconnect();
- if (this.activity.hostTask != null){
- this.activity.hostTask.setInterrupted(true);
- this.activity.hostTask = null;
- }
- //this.activity.clientTask = null;
- }
- @Override
- public void didFail(String e) {
- boolean hasMessage = ((e != null) && (e.length() > 0));
- String message = hasMessage ? e : SYNCHRONIZATION_FAILED_MESSAGE;
- Toast.makeText(this.activity, message, Toast.LENGTH_LONG).show();
- this.activity.wifiEventHandler().disconnect();
- if (this.activity.hostTask != null){
- this.activity.hostTask.setInterrupted(true);
- this.activity.hostTask = null;
- }
- }
- }.init(this);
- }
- return _syncCompletionListener;
- }
- /**
- * Updates the device list on the ui thread.
- * @param peers
- */
- private void updateDeviceListView(List<WifiP2pDevice> peers)
- {
- mTxtP2PSearchProgress.setVisibility(View.GONE);
- this.discoveredDevices = new ArrayList<WifiP2pDevice>();
- this.discoveredDevices.addAll(peers);
- WiFiPeerListAdapter listAdapter = (WiFiPeerListAdapter) this.mLstP2PDevices.getAdapter();
- listAdapter.addItems(peers);
- // Run the update process on the gui thread, otherwise the list wont be updated.
- this.runOnUiThread(new Runnable() {
- private ListView listView;
- @Override
- public void run() {
- WiFiPeerListAdapter adapter = (WiFiPeerListAdapter) this.listView.getAdapter();
- this.listView.setAdapter(null);
- adapter.notifyDataSetChanged();
- this.listView.setAdapter(adapter);
- }
- public Runnable init(ListView listview) {
- this.listView = listview;
- return this;
- }
- }.init(this.mLstP2PDevices));
- Log.d("DEBUG_WiFiP2pSyncActivity", " Discovered "+peers.size()+" devices.");
- if (peers.size() == 0){
- this.searchForDevices();
- }
- }
- /**
- * Starts the Host task. Informs the user by a little toast.
- */
- private void startHost()
- {
- //if (this.hostTask == null || this.hostTask.isInterrupted()){
- Log.d("DEBUG_WiFiP2pSyncActivity", "Starting HOST Task");
- //Toast.makeText(this, PERFORMING_TASK_AS_HOST , Toast.LENGTH_SHORT).show();
- this.hostTask = new SyncHostTask(this.ownDevice, this.syncCompletionListener(), getApplicationContext());
- this.executingTask = this.hostTask;
- this.hostTask.execute();
- //} else {
- // Log.d("DEBUG_WiFiP2pSyncActivity", "Preventing third device for any syncing.");
- //}
- }
- /**
- * Starts the wifi direct client task. Informs the user by a little toast.
- * @param info the WifiP2pInfo contains the groupOwnerAddress which is needed for the client task.
- */
- private void startClient(WifiP2pInfo info)
- {
- Log.d("DEBUG_WiFiP2pSyncActivity", "Starting CLIENT Task");
- this.clientTask = new SyncClientTask( info.groupOwnerAddress.getHostAddress(),this.ownDevice, this.syncCompletionListener(), getApplicationContext() );
- this.executingTask = this.clientTask;
- this.clientTask.execute();
- }
- /**
- * Try to connect to the given device and shows a simple progress dialog.
- * @param device
- */
- private void connectTo(WifiP2pDevice device){
- if (device != null){
- this.progressDialog.setMessage(PROGRESS_MESSAGE_CONNECTING);
- this.progressDialog.show();
- mOtherDevice = device;
- this.wifiEventHandler().connect(device);
- }
- }
- /**
- * Returns a localized device status string.
- * @param deviceStatus the status to convert.
- * @return status string
- */
- private static String getDeviceStatus(int deviceStatus) {
- switch (deviceStatus) {
- case WifiP2pDevice.AVAILABLE:
- return DEVICE_STATUS_AVAILABLE;
- case WifiP2pDevice.INVITED:
- return DEVICE_STATUS_INVITED;
- case WifiP2pDevice.CONNECTED:
- return DEVICE_STATUS_CONNECTED;
- case WifiP2pDevice.FAILED:
- return DEVICE_STATUS_FAILED;
- case WifiP2pDevice.UNAVAILABLE:
- return DEVICE_STATUS_UNAVAILABLE;
- default:
- return DEVICE_STATUS_UNKNOWN;
- }
- }
- /**
- * Updates / displays own device information.
- * @param device
- */
- private void updateOwnDeviceInformation(WifiP2pDevice device)
- {
- mTxtP2PDeviceName.setText(device.deviceName);
- mTxtP2PDeviceStatus.setText(getDeviceStatus(device.status));
- ownDevice = device;
- }
- /**
- * Method to search for new devices.
- */
- private void searchForDevices(){
- mTxtP2PSearchProgress.setVisibility(View.VISIBLE);
- this.wifiEventHandler().discoverDevices();
- }
- /********************** UI ************************/
- /**
- * Informs the user about a changed wifi state.
- * enabled = true - mTxtP2PNotAvailable is gone
- * enabled = false - mTxtP2PNotAvailable stays and a alert box is displayed for a quick navigation to the wifi settings.
- * @param enabled
- */
- public void setWifiDirectAvailable(boolean enabled){
- if (enabled){
- mTxtP2PNotAvailable.setVisibility(View.GONE);
- } else {
- mTxtP2PNotAvailable.setVisibility(View.VISIBLE);
- ((WiFiPeerListAdapter) mLstP2PDevices.getAdapter()).notifyDataSetChanged();
- ownDevice = null;
- this.updateDeviceListView(new ArrayList<WifiP2pDevice>());
- this.showWifiDisabledDialog();
- //Toast.makeText(this, "WiFi Direct P2P is disabled.", Toast.LENGTH_LONG).show();
- }
- }
- /**
- * Displays a AlertDialog that informs the User about the disabled Wifi state and can navigate the user directly to the wifi settings.
- */
- private void showWifiDisabledDialog(){
- AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setMessage(WIFI_STATUS_DISABLED_MESSAGE)
- .setCancelable(true)
- .setPositiveButton(WIFI_STATUS_ENABLE_BUTTON, new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialog, int id) {
- startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
- }
- })
- .setNegativeButton(CANCEL_BUTTON_TITLE, new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialog, int id) {
- finish();
- }
- });
- AlertDialog info = builder.create();
- info.show();
- }
- /**
- * Extracts all subview initially from the view hierarchy.
- */
- private void extractFromView(){
- this.mTxtP2PDeviceName = (TextView) findViewById(R.id.txt_p2p_device_name);
- this.mTxtP2PDeviceStatus = (TextView) findViewById(R.id.txt_p2p_device_status);
- this.mTxtP2PChangeDeviceName = (TextView) findViewById(R.id.txtP2PChangeDeviceName);
- this.mViewAnimator = (ViewAnimator) findViewById(R.id.viewAnimator);
- this.mDevicesContainer = (RelativeLayout) findViewById(R.id.devicesContainer);
- this.mWelcomeContainer = (RelativeLayout) findViewById(R.id.welcomeContainer);
- this.mTxtP2PSearchProgress = (TextView) findViewById(R.id.txtP2PSearchProgress);
- this.mLstP2PDevices = (ListView) findViewById(R.id.lstP2PDevices);
- this.mTxtP2PNotAvailable = (TextView) findViewById(R.id.txtP2PNotAvailable);
- }
- /**
- * Registers all the gui listeners.
- */
- public void registerListeners(){
- if (this.mLstP2PDevices.getOnItemClickListener() != this)
- this.mLstP2PDevices.setOnItemClickListener(this);
- if (this.mLstP2PDevices.getAdapter() == null){
- this.discoveredDevices = new ArrayList();
- WiFiPeerListAdapter listAdapter = new WiFiPeerListAdapter(this, R.layout.row_devices, this.discoveredDevices);
- this.mLstP2PDevices.setAdapter(listAdapter);
- }
- }
- @Override
- public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
- final WifiP2pDevice device = (WifiP2pDevice) this.mLstP2PDevices.getAdapter().getItem(position);
- this.connectTo(device);
- }
- /**
- * Array adapter for ListFragment that maintains WifiP2pDevice list.
- */
- private class WiFiPeerListAdapter extends ArrayAdapter<WifiP2pDevice> {
- private List<WifiP2pDevice> items;
- /**
- * @param context
- * @param textViewResourceId
- * @param objects
- */
- public WiFiPeerListAdapter(Context context, int textViewResourceId,
- List<WifiP2pDevice> objects) {
- super(context, textViewResourceId, objects);
- items = objects;
- }
- @Override
- public int getCount() {
- return items.size();
- }
- public void addItems(List<WifiP2pDevice> devicesToAdd){
- items.clear();
- items.addAll(devicesToAdd);
- }
- @Override
- public View getView(int position, View convertView, ViewGroup parent) {
- View v = convertView;
- if (v == null) {
- LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- v = vi.inflate(R.layout.row_devices, null);
- }
- WifiP2pDevice device = items.get(position);
- if (device != null) {
- TextView top = (TextView) v.findViewById(R.id.device_name);
- TextView bottom = (TextView) v.findViewById(R.id.device_details);
- if (top != null) {
- top.setText(device.deviceName);
- }
- if (bottom != null) {
- bottom.setText(getDeviceStatus(device.status));
- }
- }
- return v;
- }
- }
- }
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