Java tutorial
/* //device/apps/Settings/src/com/android/settings/Keyguard.java ** ** Copyright 2006, 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.development; import android.app.Activity; import android.app.ActivityManagerNative; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.pm.PackageManager.NameNotFoundException; import android.net.ConnectivityManager; import android.net.LinkAddress; import android.net.NetworkUtils; import android.net.RouteInfo; import android.net.wifi.ScanResult; import android.net.wifi.WifiManager; import android.os.RemoteException; import android.os.Handler; import android.os.Message; import android.os.IBinder; import android.os.INetworkManagementService; import android.os.Parcel; import android.os.PowerManager; import android.os.PowerManager.WakeLock; import android.os.ServiceManager; import android.os.ServiceManagerNative; import android.os.SystemClock; import android.provider.Settings; import android.os.Bundle; import android.util.Log; import android.view.IWindowManager; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.EditText; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemSelectedListener; import com.android.internal.telephony.Phone; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.PrintWriter; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.Socket; import java.util.ArrayList; import java.util.Enumeration; import java.util.List; import java.util.Map; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.conn.params.ConnRouteParams; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpParams; import org.apache.http.HttpResponse; import org.apache.http.impl.client.DefaultHttpClient; public class Connectivity extends Activity { private static final String TAG = "DevTools - Connectivity"; private static final String GET_SCAN_RES = "Get Results"; private static final String START_SCAN = "Start Scan"; private static final String PROGRESS_SCAN = "In Progress"; private static final long SCAN_CYCLES = 15; private static final int EVENT_TOGGLE_WIFI = 1; private static final int EVENT_TOGGLE_SCREEN = 2; private EditText mDCOnDurationEdit; private EditText mDCOffDurationEdit; private TextView mDCCycleCountView; private long mDCOnDuration = 120000; private long mDCOffDuration = 120000; private int mDCCycleCount = 0; private EditText mSCOnDurationEdit; private EditText mSCOffDurationEdit; private TextView mSCCycleCountView; private long mSCOnDuration = 120000; private long mSCOffDuration = 12000; private int mSCCycleCount = 0; private boolean mDelayedCycleStarted = false; private Button mScanButton; private TextView mScanResults; private EditText mScanCyclesEdit; private CheckBox mScanDisconnect; private long mScanCycles = SCAN_CYCLES; private long mScanCur = -1; private long mStartTime = -1; private long mStopTime; private long mTotalScanTime = 0; private long mTotalScanCount = 0; private String mTdlsAddr = null; private WifiManager mWm; private PowerManager mPm; private ConnectivityManager mCm; private INetworkManagementService mNetd; private WifiScanReceiver mScanRecv; IntentFilter mIntentFilter; private WakeLock mWakeLock = null; private WakeLock mScreenonWakeLock = null; private boolean mScreenOffToggleRunning = false; private boolean mScreenOff = false; private static final String CONNECTIVITY_TEST_ALARM = "com.android.development.CONNECTIVITY_TEST_ALARM"; private static final String TEST_ALARM_EXTRA = "CONNECTIVITY_TEST_EXTRA"; private static final String TEST_ALARM_ON_EXTRA = "CONNECTIVITY_TEST_ON_EXTRA"; private static final String TEST_ALARM_OFF_EXTRA = "CONNECTIVITY_TEST_OFF_EXTRA"; private static final String TEST_ALARM_CYCLE_EXTRA = "CONNECTIVITY_TEST_CYCLE_EXTRA"; private static final String SCREEN_ON = "SCREEN_ON"; private static final String SCREEN_OFF = "SCREEN_OFF"; public BroadcastReceiver mReceiver = new BroadcastReceiver() { public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(CONNECTIVITY_TEST_ALARM)) { String extra = (String) intent.getExtra(TEST_ALARM_EXTRA); PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); Long on = new Long(120000); Long off = new Long(120000); int cycle = 0; try { on = Long.parseLong((String) intent.getExtra(TEST_ALARM_ON_EXTRA)); off = Long.parseLong((String) intent.getExtra(TEST_ALARM_OFF_EXTRA)); cycle = Integer.parseInt((String) intent.getExtra(TEST_ALARM_CYCLE_EXTRA)); } catch (Exception e) { } if (extra.equals(SCREEN_ON)) { mScreenonWakeLock = mPm.newWakeLock( PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "ConnectivityTest"); mScreenonWakeLock.acquire(); mSCCycleCount = cycle + 1; mSCOnDuration = on; mSCOffDuration = off; mSCCycleCountView.setText(Integer.toString(mSCCycleCount)); scheduleAlarm(mSCOnDuration, SCREEN_OFF); } else if (extra.equals(SCREEN_OFF)) { mSCCycleCount = cycle; mSCOnDuration = on; mSCOffDuration = off; mScreenonWakeLock.release(); mScreenonWakeLock = null; scheduleAlarm(mSCOffDuration, SCREEN_ON); pm.goToSleep(SystemClock.uptimeMillis()); } } } }; public Handler mHandler2 = new Handler() { public void handleMessage(Message msg) { switch (msg.what) { case EVENT_TOGGLE_WIFI: Log.e(TAG, "EVENT_TOGGLE_WIFI"); if (mDelayedCycleStarted && mWm != null) { long delay; switch (mWm.getWifiState()) { case WifiManager.WIFI_STATE_ENABLED: case WifiManager.WIFI_STATE_ENABLING: mWm.setWifiEnabled(false); delay = mDCOffDuration; break; default: mWm.setWifiEnabled(true); delay = mDCOnDuration; mDCCycleCount++; mDCCycleCountView.setText(Integer.toString(mDCCycleCount)); } sendMessageDelayed(obtainMessage(EVENT_TOGGLE_WIFI), delay); } break; } } }; /** * Wifi Scan Listener */ private class WifiScanReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (action.equals(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)) { mStopTime = SystemClock.elapsedRealtime(); if (mStartTime != -1) { mTotalScanTime += (mStopTime - mStartTime); mStartTime = -1; } Log.d(TAG, "Scan: READY " + mScanCur); mScanResults.setVisibility(View.INVISIBLE); List<ScanResult> wifiScanResults = mWm.getScanResults(); if (wifiScanResults != null) { mTotalScanCount += wifiScanResults.size(); mScanResults.setText("Current scan = " + Long.toString(wifiScanResults.size())); mScanResults.setVisibility(View.VISIBLE); Log.d(TAG, "Scan: Results = " + wifiScanResults.size()); } mScanCur--; mScanCyclesEdit.setText(Long.toString(mScanCur)); if (mScanCur == 0) { unregisterReceiver(mScanRecv); mScanButton.setText(GET_SCAN_RES); mScanResults.setVisibility(View.INVISIBLE); } else { Log.d(TAG, "Scan: START " + mScanCur); mStartTime = SystemClock.elapsedRealtime(); mWm.startScan(); } } } } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.connectivity); mWm = (WifiManager) getSystemService(Context.WIFI_SERVICE); mPm = (PowerManager) getSystemService(Context.POWER_SERVICE); mCm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE); mNetd = INetworkManagementService.Stub.asInterface(b); findViewById(R.id.enableWifi).setOnClickListener(mClickListener); findViewById(R.id.disableWifi).setOnClickListener(mClickListener); findViewById(R.id.startDelayedCycle).setOnClickListener(mClickListener); findViewById(R.id.stopDelayedCycle).setOnClickListener(mClickListener); mDCOnDurationEdit = (EditText) findViewById(R.id.dc_wifi_on_duration); mDCOnDurationEdit.setText(Long.toString(mDCOnDuration)); mDCOffDurationEdit = (EditText) findViewById(R.id.dc_wifi_off_duration); mDCOffDurationEdit.setText(Long.toString(mDCOffDuration)); mDCCycleCountView = (TextView) findViewById(R.id.dc_wifi_cycles_done); mDCCycleCountView.setText(Integer.toString(mDCCycleCount)); findViewById(R.id.startScreenCycle).setOnClickListener(mClickListener); findViewById(R.id.stopScreenCycle).setOnClickListener(mClickListener); mSCOnDurationEdit = (EditText) findViewById(R.id.sc_wifi_on_duration); mSCOnDurationEdit.setText(Long.toString(mSCOnDuration)); mSCOffDurationEdit = (EditText) findViewById(R.id.sc_wifi_off_duration); mSCOffDurationEdit.setText(Long.toString(mSCOffDuration)); mSCCycleCountView = (TextView) findViewById(R.id.sc_wifi_cycles_done); mSCCycleCountView.setText(Integer.toString(mSCCycleCount)); mScanButton = (Button) findViewById(R.id.startScan); mScanButton.setOnClickListener(mClickListener); mScanCyclesEdit = (EditText) findViewById(R.id.sc_scan_cycles); mScanCyclesEdit.setText(Long.toString(mScanCycles)); mScanDisconnect = (CheckBox) findViewById(R.id.scanDisconnect); mScanDisconnect.setChecked(true); mScanResults = (TextView) findViewById(R.id.sc_scan_results); mScanResults.setVisibility(View.INVISIBLE); mScanRecv = new WifiScanReceiver(); mIntentFilter = new IntentFilter(); mIntentFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); findViewById(R.id.startTdls).setOnClickListener(mClickListener); findViewById(R.id.stopTdls).setOnClickListener(mClickListener); findViewById(R.id.start_mms).setOnClickListener(mClickListener); findViewById(R.id.stop_mms).setOnClickListener(mClickListener); findViewById(R.id.start_hipri).setOnClickListener(mClickListener); findViewById(R.id.stop_hipri).setOnClickListener(mClickListener); findViewById(R.id.crash).setOnClickListener(mClickListener); findViewById(R.id.add_default_route).setOnClickListener(mClickListener); findViewById(R.id.remove_default_route).setOnClickListener(mClickListener); findViewById(R.id.bound_http_request).setOnClickListener(mClickListener); findViewById(R.id.bound_socket_request).setOnClickListener(mClickListener); findViewById(R.id.routed_http_request).setOnClickListener(mClickListener); findViewById(R.id.routed_socket_request).setOnClickListener(mClickListener); findViewById(R.id.default_request).setOnClickListener(mClickListener); findViewById(R.id.default_socket).setOnClickListener(mClickListener); registerReceiver(mReceiver, new IntentFilter(CONNECTIVITY_TEST_ALARM)); } @Override public void onResume() { super.onResume(); findViewById(R.id.connectivity_layout).requestFocus(); } private View.OnClickListener mClickListener = new View.OnClickListener() { public void onClick(View v) { switch (v.getId()) { case R.id.enableWifi: mWm.setWifiEnabled(true); break; case R.id.disableWifi: mWm.setWifiEnabled(false); break; case R.id.startDelayedCycle: onStartDelayedCycle(); break; case R.id.stopDelayedCycle: onStopDelayedCycle(); break; case R.id.startScreenCycle: onStartScreenCycle(); break; case R.id.stopScreenCycle: onStopScreenCycle(); break; case R.id.startScan: onStartScanCycle(); break; case R.id.startTdls: onStartTdls(); break; case R.id.stopTdls: onStopTdls(); break; case R.id.start_mms: mCm.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, Phone.FEATURE_ENABLE_MMS); break; case R.id.stop_mms: mCm.stopUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, Phone.FEATURE_ENABLE_MMS); break; case R.id.default_socket: onDefaultSocket(); break; case R.id.default_request: onDefaultRequest(); break; case R.id.routed_socket_request: onRoutedSocketRequest(); break; case R.id.routed_http_request: onRoutedHttpRequest(); break; case R.id.bound_socket_request: onBoundSocketRequest(); break; case R.id.bound_http_request: onBoundHttpRequest(); break; case R.id.remove_default_route: onRemoveDefaultRoute(); break; case R.id.add_default_route: onAddDefaultRoute(); break; case R.id.crash: onCrash(); break; case R.id.start_hipri: mCm.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, Phone.FEATURE_ENABLE_HIPRI); break; case R.id.stop_hipri: mCm.stopUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, Phone.FEATURE_ENABLE_HIPRI); break; } } }; private void onStartDelayedCycle() { if (!mDelayedCycleStarted) { mDelayedCycleStarted = true; try { mDCOnDuration = Long.parseLong(mDCOnDurationEdit.getText().toString()); mDCOffDuration = Long.parseLong(mDCOffDurationEdit.getText().toString()); } catch (Exception e) { } ; mDCCycleCount = 0; mWakeLock = mPm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "ConnectivityTest"); mWakeLock.acquire(); mHandler2.sendMessage(mHandler2.obtainMessage(EVENT_TOGGLE_WIFI)); } } private void onStopDelayedCycle() { if (mDelayedCycleStarted) { mDelayedCycleStarted = false; mWakeLock.release(); mWakeLock = null; if (mHandler2.hasMessages(EVENT_TOGGLE_WIFI)) { mHandler2.removeMessages(EVENT_TOGGLE_WIFI); } } } private void onStartScreenCycle() { try { mSCOnDuration = Long.parseLong(mSCOnDurationEdit.getText().toString()); mSCOffDuration = Long.parseLong(mSCOffDurationEdit.getText().toString()); } catch (Exception e) { } ; mSCCycleCount = 0; mScreenonWakeLock = mPm.newWakeLock(PowerManager.FULL_WAKE_LOCK, "ConnectivityTest"); mScreenonWakeLock.acquire(); scheduleAlarm(10, SCREEN_OFF); } private void scheduleAlarm(long delayMs, String eventType) { AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE); Intent i = new Intent(CONNECTIVITY_TEST_ALARM); i.putExtra(TEST_ALARM_EXTRA, eventType); i.putExtra(TEST_ALARM_ON_EXTRA, Long.toString(mSCOnDuration)); i.putExtra(TEST_ALARM_OFF_EXTRA, Long.toString(mSCOffDuration)); i.putExtra(TEST_ALARM_CYCLE_EXTRA, Integer.toString(mSCCycleCount)); PendingIntent p = PendingIntent.getBroadcast(this, 0, i, PendingIntent.FLAG_UPDATE_CURRENT); am.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + delayMs, p); } private void onStopScreenCycle() { } private void onCrash() { ConnectivityManager foo = null; foo.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, Phone.FEATURE_ENABLE_MMS); } private void onStartScanCycle() { if (mScanCur == -1) { try { mScanCur = Long.parseLong(mScanCyclesEdit.getText().toString()); mScanCycles = mScanCur; } catch (Exception e) { } ; if (mScanCur <= 0) { mScanCur = -1; mScanCycles = SCAN_CYCLES; return; } } if (mScanCur > 0) { registerReceiver(mScanRecv, mIntentFilter); mScanButton.setText(PROGRESS_SCAN); mScanResults.setVisibility(View.INVISIBLE); if (mScanDisconnect.isChecked()) mWm.disconnect(); mTotalScanTime = 0; mTotalScanCount = 0; Log.d(TAG, "Scan: START " + mScanCur); mStartTime = SystemClock.elapsedRealtime(); mWm.startScan(); } else { // Show results mScanResults.setText("Average Scan Time = " + Long.toString(mTotalScanTime / mScanCycles) + " ms ; Average Scan Amount = " + Long.toString(mTotalScanCount / mScanCycles)); mScanResults.setVisibility(View.VISIBLE); mScanButton.setText(START_SCAN); mScanCur = -1; mScanCyclesEdit.setText(Long.toString(mScanCycles)); if (mScanDisconnect.isChecked()) mWm.reassociate(); } } private void onStartTdls() { mTdlsAddr = ((EditText) findViewById(R.id.sc_ip_mac)).getText().toString(); Log.d(TAG, "TDLS: START " + mTdlsAddr); InetAddress inetAddress = null; try { inetAddress = InetAddress.getByName(mTdlsAddr); mWm.setTdlsEnabled(inetAddress, true); } catch (Exception e) { mWm.setTdlsEnabledWithMacAddress(mTdlsAddr, true); } } private void onStopTdls() { if (mTdlsAddr == null) return; Log.d(TAG, "TDLS: STOP " + mTdlsAddr); InetAddress inetAddress = null; try { inetAddress = InetAddress.getByName(mTdlsAddr); mWm.setTdlsEnabled(inetAddress, false); } catch (Exception e) { mWm.setTdlsEnabledWithMacAddress(mTdlsAddr, false); } } private void onAddDefaultRoute() { try { int netId = Integer.valueOf(((TextView) findViewById(R.id.netid)).getText().toString()); mNetd.addRoute(netId, new RouteInfo((LinkAddress) null, NetworkUtils.numericToInetAddress("8.8.8.8"))); } catch (Exception e) { Log.e(TAG, "onAddDefaultRoute got exception: " + e.toString()); } } private void onRemoveDefaultRoute() { try { int netId = Integer.valueOf(((TextView) findViewById(R.id.netid)).getText().toString()); mNetd.removeRoute(netId, new RouteInfo((LinkAddress) null, NetworkUtils.numericToInetAddress("8.8.8.8"))); } catch (Exception e) { Log.e(TAG, "onRemoveDefaultRoute got exception: " + e.toString()); } } private void onRoutedHttpRequest() { onRoutedRequest(HTTP); } private void onRoutedSocketRequest() { onRoutedRequest(SOCKET); } private final static int SOCKET = 1; private final static int HTTP = 2; private void onRoutedRequest(int type) { String url = "www.google.com"; InetAddress inetAddress = null; try { inetAddress = InetAddress.getByName(url); } catch (Exception e) { Log.e(TAG, "error fetching address for " + url); return; } mCm.requestRouteToHostAddress(ConnectivityManager.TYPE_MOBILE_HIPRI, inetAddress); switch (type) { case SOCKET: onBoundSocketRequest(); break; case HTTP: HttpGet get = new HttpGet("http://" + url); HttpClient client = new DefaultHttpClient(); try { HttpResponse httpResponse = client.execute(get); Log.d(TAG, "routed http request gives " + httpResponse.getStatusLine()); } catch (Exception e) { Log.e(TAG, "routed http request exception = " + e); } } } private void onBoundHttpRequest() { NetworkInterface networkInterface = null; try { networkInterface = NetworkInterface.getByName("rmnet0"); Log.d(TAG, "networkInterface is " + networkInterface); } catch (Exception e) { Log.e(TAG, " exception getByName: " + e); return; } if (networkInterface != null) { Enumeration inetAddressess = networkInterface.getInetAddresses(); while (inetAddressess.hasMoreElements()) { Log.d(TAG, " inetAddress:" + ((InetAddress) inetAddressess.nextElement())); } } HttpParams httpParams = new BasicHttpParams(); if (networkInterface != null) { ConnRouteParams.setLocalAddress(httpParams, networkInterface.getInetAddresses().nextElement()); } HttpGet get = new HttpGet("http://www.bbc.com"); HttpClient client = new DefaultHttpClient(httpParams); try { HttpResponse response = client.execute(get); Log.d(TAG, "response code = " + response.getStatusLine()); } catch (Exception e) { Log.e(TAG, "Exception = " + e); } } private void onBoundSocketRequest() { NetworkInterface networkInterface = null; try { networkInterface = NetworkInterface.getByName("rmnet0"); } catch (Exception e) { Log.e(TAG, "exception getByName: " + e); return; } if (networkInterface == null) { try { Log.d(TAG, "getting any networkInterface"); networkInterface = NetworkInterface.getNetworkInterfaces().nextElement(); } catch (Exception e) { Log.e(TAG, "exception getting any networkInterface: " + e); return; } } if (networkInterface == null) { Log.e(TAG, "couldn't find a local interface"); return; } Enumeration inetAddressess = networkInterface.getInetAddresses(); while (inetAddressess.hasMoreElements()) { Log.d(TAG, " addr:" + ((InetAddress) inetAddressess.nextElement())); } InetAddress local = null; InetAddress remote = null; try { local = networkInterface.getInetAddresses().nextElement(); } catch (Exception e) { Log.e(TAG, "exception getting local InetAddress: " + e); return; } try { remote = InetAddress.getByName("www.flickr.com"); } catch (Exception e) { Log.e(TAG, "exception getting remote InetAddress: " + e); return; } Log.d(TAG, "remote addr =" + remote); Log.d(TAG, "local addr =" + local); Socket socket = null; try { socket = new Socket(remote, 80, local, 6000); } catch (Exception e) { Log.e(TAG, "Exception creating socket: " + e); return; } try { PrintWriter out = new PrintWriter(socket.getOutputStream(), true); out.println("Hi flickr"); } catch (Exception e) { Log.e(TAG, "Exception writing to socket: " + e); return; } } private void onDefaultRequest() { HttpParams params = new BasicHttpParams(); HttpGet get = new HttpGet("http://www.cnn.com"); HttpClient client = new DefaultHttpClient(params); try { HttpResponse response = client.execute(get); Log.e(TAG, "response code = " + response.getStatusLine()); } catch (Exception e) { Log.e(TAG, "Exception = " + e); } } private void onDefaultSocket() { InetAddress remote = null; try { remote = InetAddress.getByName("www.flickr.com"); } catch (Exception e) { Log.e(TAG, "exception getting remote InetAddress: " + e); return; } Log.e(TAG, "remote addr =" + remote); Socket socket = null; try { socket = new Socket(remote, 80); } catch (Exception e) { Log.e(TAG, "Exception creating socket: " + e); return; } try { PrintWriter out = new PrintWriter(socket.getOutputStream(), true); out.println("Hi flickr"); Log.e(TAG, "written"); } catch (Exception e) { Log.e(TAG, "Exception writing to socket: " + e); return; } } }