Java tutorial
/* * 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.github.peejweej.androidsideloading.fragments; import android.annotation.TargetApi; import android.app.ProgressDialog; import android.content.Intent; import android.net.Uri; import android.net.wifi.WpsInfo; import android.net.wifi.p2p.WifiP2pConfig; import android.net.wifi.p2p.WifiP2pDevice; import android.net.wifi.p2p.WifiP2pInfo; import android.net.wifi.p2p.WifiP2pManager.ConnectionInfoListener; import android.os.Build; import android.os.Bundle; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import com.github.peejweej.androidsideloading.R; import com.github.peejweej.androidsideloading.fragments.wifi.FileServerAsyncTask; import com.github.peejweej.androidsideloading.fragments.wifi.FileTransferService; import com.github.peejweej.androidsideloading.activities.WiFiDirectActivity; /** * A fragment that manages a particular peer and allows interaction with device * i.e. setting up network connection and transferring data. */ @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) public class DeviceDetailFragment extends Fragment implements ConnectionInfoListener { protected static final int CHOOSE_FILE_RESULT_CODE = 20; private View mContentView = null; private WifiP2pDevice device; private WifiP2pInfo info; private ProgressDialog progressDialog = null; private Button findDevicesButton; private Button activateWifiButton; private Button connectButton; private Button disconnectButton; private Button startTransferButton; private TextView statusTextView; private TextView deviceInfoTextView; public DeviceDetailFragment() { } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mContentView = inflater.inflate(R.layout.device_detail, null); setupViews(); manageButtons(); return mContentView; } @Override public void onResume() { super.onResume(); manageButtons(); } private void setupViews() { findDevicesButton = (Button) mContentView.findViewById(R.id.btn_find_devices); findDevicesButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { findDevices(); } }); activateWifiButton = (Button) mContentView.findViewById(R.id.btn_activate_wifi); activateWifiButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { openWifi(); } }); statusTextView = (TextView) mContentView.findViewById(R.id.status_text); deviceInfoTextView = (TextView) mContentView.findViewById(R.id.device_info); connectButton = (Button) mContentView.findViewById(R.id.btn_connect); connectButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { connect(); } }); disconnectButton = (Button) mContentView.findViewById(R.id.btn_disconnect); disconnectButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { disconnect(); } }); startTransferButton = (Button) mContentView.findViewById(R.id.btn_start_client); startTransferButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { startTransfer(); } }); } private void findDevices() { ((WiFiDirectActivity) getActivity()).startDiscovery(); } private void openWifi() { ((WiFiDirectActivity) getActivity()).openWifiPreferences(); } private void startTransfer() { ((WiFiDirectActivity) getActivity()).transferFile(); } private void disconnect() { ((DevicesListFragment.DeviceActionListener) getActivity()).disconnect(); } public void manageButtons() { boolean hasDevice = device != null; boolean hasConnected = info != null; findDevicesButton.setVisibility((!hasDevice && !hasConnected && wifiIsOn()) ? View.VISIBLE : View.GONE); activateWifiButton.setVisibility((!wifiIsOn()) ? View.VISIBLE : View.GONE); connectButton.setVisibility((hasDevice && !hasConnected) ? View.VISIBLE : View.GONE); disconnectButton.setVisibility((hasDevice && hasConnected) ? View.VISIBLE : View.GONE); startTransferButton.setVisibility((hasDevice && hasConnected) ? View.VISIBLE : View.GONE); } private void connect() { WifiP2pConfig config = new WifiP2pConfig(); config.deviceAddress = device.deviceAddress; config.wps.setup = WpsInfo.PBC; if (progressDialog != null && progressDialog.isShowing()) { progressDialog.dismiss(); } progressDialog = ProgressDialog.show(getActivity(), "Press back to cancel", "Connecting to :" + device.deviceAddress, true, true // new DialogInterface.OnCancelListener() { // // @Override // public void onCancel(DialogInterface dialog) { // ((DeviceActionListener) getActivity()).cancelDisconnect(); // } // } ); ((DevicesListFragment.DeviceActionListener) getActivity()).connect(config); } public void transferFile(Uri uri) { TextView statusText = (TextView) mContentView.findViewById(R.id.status_text); statusText.setText("Sending: " + uri); Log.d(WiFiDirectActivity.TAG, "Intent----------- " + uri); Intent serviceIntent = new Intent(getActivity(), FileTransferService.class); serviceIntent.setAction(FileTransferService.ACTION_SEND_FILE); serviceIntent.putExtra(FileTransferService.EXTRAS_FILE_PATH, uri.toString()); serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_ADDRESS, info.groupOwnerAddress.getHostAddress()); serviceIntent.putExtra(FileTransferService.EXTRAS_GROUP_OWNER_PORT, 8988); getActivity().startService(serviceIntent); } public void onConnectionInfoAvailable(final WifiP2pInfo info) { if (progressDialog != null && progressDialog.isShowing()) { progressDialog.dismiss(); } this.info = info; // The owner IP is now known. // TextView view = (TextView) mContentView.findViewById(R.id.group_owner); // view.setText(getResources().getString(R.string.group_owner_text) // + ((info.isGroupOwner == true) ? getResources().getString(R.string.yes) // : getResources().getString(R.string.no))); // InetAddress from WifiP2pInfo struct. deviceInfoTextView.setText("Group Owner IP - " + info.groupOwnerAddress.getHostAddress()); // After the group negotiation, we assign the group owner as the file // server. The file server is single threaded, single connection server // socket. if (info.groupFormed && info.isGroupOwner) { new FileServerAsyncTask(getActivity(), statusTextView).execute(); } else if (info.groupFormed) { // The other device acts as the client. In this case, we enable the // get file button. startTransferButton.setVisibility(View.VISIBLE); statusTextView.setText(getResources().getString(R.string.client_text)); } // hide the connect button manageButtons(); } /** * Updates the UI with device data * * @param device the device to be displayed */ public void showDetails(WifiP2pDevice device) { this.device = device; // TextView view = (TextView) mContentView.findViewById(R.id.device_address); // view.setText(device.deviceAddress); deviceInfoTextView.setText(device.toString()); manageButtons(); } /** * Clears the UI fields after a disconnect or direct mode disable operation. */ public void resetViews() { // mContentView.findViewById(R.id.btn_connect).setVisibility(View.VISIBLE); // TextView view = (TextView) mContentView.findViewById(R.id.device_address); // view.setText(R.string.empty); deviceInfoTextView.setText(""); // view = (TextView) mContentView.findViewById(R.id.group_owner); // view.setText(R.string.empty); statusTextView.setText(""); // mContentView.findViewById(R.id.btn_start_client).setVisibility(View.GONE); // this.getView().setVisibility(View.GONE); manageButtons(); } public void resetData() { device = null; info = null; } private boolean wifiIsOn() { return ((WiFiDirectActivity) getActivity()).isWifiP2pEnabled(); } }