Android流量监控
jopen
12年前
1、TrafficStats类的使用
以下结论,是自己真机实测的结果,与自己在网上看到的不同,大家可自测验证。
(1)getMobile...方法,获取Gprs/3G流量
(2)getTotal...方法,获取Gprs/3G+Wifi的流量
以上两类方法统计的都是,从打开网络开始,到关闭网络,这一段时间内使用的流量。例如:10点打开,11点关闭,那么getMobileRxBytes方法,回返的是这段时间内Gprs/3G接受到的字节数。
(3)getUid...方法,获取某个网络UID的流量。这类方法,返回的是,从开机到关机,某个网络UID(我理解就是某个应用,如果不对,请在评论中指正)使用的Gprs/3G+Wifi的流量
2、getUid...方法的使用
List<PackageInfo> packinfos = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES | PackageManager.GET_PERMISSIONS); for (PackageInfo info : packinfos) { String[] premissions = info.requestedPermissions; if (premissions != null && premissions.length > 0) { for (String premission : premissions) { if ("android.permission.INTERNET".equals(premission)) { // System.out.println(info.packageName+"访问网络"); int uid = info.applicationInfo.uid; long rx = TrafficStats.getUidRxBytes(uid); long tx = TrafficStats.getUidTxBytes(uid); if (rx < 0 || tx < 0) { System.out.println(info.packageName + "没有产生流量"); } else { System.out.println(info.packageName + "的流量信息:"); System.out.println("下载的流量" + Formatter.formatFileSize(this, rx)); System.out.println("上传的流量" + Formatter.formatFileSize(this, tx)); } } } System.out.println("---------"); } }3、获取流量信息的Service类
(1)因为两个广播都需要动态注册,所以写成了Service
(2)getMobile...和getTotal...方法获取的都是从打开网络开始,到关闭网络,这一段时间内使用的流量。
因此要在网络正在关闭时获取的就是这段时间的流量,WifiManager.WIFI_STATE_DISABLING表示的就是这个状态
(3)Gprs/3G貌似没有类似的状态,可以被监控到,只有,State.CONNECTED和State.DISCONNECTED。但是处于State.DISCONNECTED这个状态时,getMobile...方法获取到的值就都是0了
所有,我不得不在State.CONNECTED这个状态开始时,开启线程用于获取Gprs/3G的流量,直到我获取的到数据为0时,保存上一次的数据。
package forrest.forassist.service; import android.app.Service; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.NetworkInfo.State; import android.net.TrafficStats; import android.net.wifi.WifiManager; import android.os.IBinder; import android.text.format.Formatter; import android.util.Log; import forrest.forassist.db.MySQLiteDatabase; import forrest.forassist.utils.Util; public class TrafficService extends Service { private TrafficReceiver tReceiver; private WifiManager wifiManager; private ConnectivityManager cManager; public IBinder onBind(Intent intent) { return null; } public void onCreate() { // WifiManager,ConnectivityManager wifiManager = (WifiManager) this.getSystemService(Context.WIFI_SERVICE); cManager = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); // 注册TrafficReceiver tReceiver = new TrafficReceiver(); IntentFilter filter = new IntentFilter(); filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); registerReceiver(tReceiver, filter); super.onCreate(); } public int onStartCommand(Intent intent, int flags, int startId) { return super.onStartCommand(intent, flags, startId); } private class TrafficReceiver extends BroadcastReceiver { private String action = ""; private static final String TAG = "TrafficReceiver"; long mobileRx; long mobileTx; public void onReceive(Context context, Intent intent) { action = intent.getAction(); if (action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION)) { if (wifiManager.getWifiState() == WifiManager.WIFI_STATE_DISABLING) { Log.i(TAG, "WIFI_STATE_DISABLING"); long wifiDown = TrafficStats.getTotalRxBytes() - TrafficStats.getMobileRxBytes(); long wifiUp = TrafficStats.getTotalTxBytes() - TrafficStats.getMobileTxBytes(); MySQLiteDatabase sqLite = new MySQLiteDatabase(context); // 打开数据库 sqLite.insertWifi(Util.todayDate, wifiDown, wifiUp); sqLite.closeDB(); Log.i(TAG, "wifi下载流量" + Formatter.formatFileSize(context, wifiDown)); Log.i(TAG, "wifi上传流量" + Formatter.formatFileSize(context, wifiUp)); } } else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) { Log.i(TAG, "CONNECTIVITY_ACTION"); NetworkInfo networkInfo = cManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); State state = networkInfo.getState(); if (state == State.CONNECTED) { Log.i(TAG, "State.CONNECTED"); // 开始不断获取最近的流量信息,值为0时,跳过 new Thread() { public void run() { long mobileRxType = TrafficStats.getMobileRxBytes(); long mobileTxType = TrafficStats.getMobileTxBytes(); if (mobileRxType + mobileTxType != 0) { try { mobileRx = mobileRxType; mobileTx = mobileTxType; Log.i(TAG, "mobileRx:" + mobileRx); Log.i(TAG, "mobileTx:" + mobileTx); Thread.sleep(1000); run(); } catch (InterruptedException e) { e.printStackTrace(); } } else { // 写入数据库 Log.i(TAG, "写入数据库"); MySQLiteDatabase sqLite = new MySQLiteDatabase(TrafficService.this); sqLite.insertGprs(Util.todayDate, mobileRx, mobileTx); sqLite.closeDB(); } }; }.start(); } } } } public void onDestroy() { unregisterReceiver(tReceiver); super.onDestroy(); } }