Android 獲取應(yīng)用流量的使用情況有兩種方法

TrafficStats

NetworkStatsManager 是Android 6.0(API23)中新增加的類

這次我們使用的是第二種方法，記錄一下實現(xiàn)過程

首先說明NetworkStatsManager能提供哪些功能

區(qū)分 Wifi 和手機網(wǎng)絡(luò)的流量使用

查詢指定應(yīng)用的流量使用

查詢指定時間段的流量使用(當(dāng)天/當(dāng)月/總共)

區(qū)分接收和發(fā)送的流量使用

看下方法使用代碼

/**

* 本機使用的 wifi 總流量

*/

public long getAllBytesWifi() {

NetworkStats.Bucket bucket;

try {

bucket = networkStatsManager.querySummaryForDevice(ConnectivityManager.TYPE_WIFI,

"",

0,

System.currentTimeMillis());

} catch (RemoteException e) {

return -1;

}

//這里可以區(qū)分發(fā)送和接收

return bucket.getTxBytes() +bucket.getRxBytes() ;

}

/**

* 本機使用的 mobile 總流量

*/

public long getAllBytesMobile() {

NetworkStats.Bucket bucket;

try {

bucket = networkStatsManager.querySummaryForDevice(ConnectivityManager.TYPE_MOBILE,

getSubscriberId(context, ConnectivityManager.TYPE_MOBILE),

0,

System.currentTimeMillis());

} catch (RemoteException e) {

return -1;

}

//這里可以區(qū)分發(fā)送和接收

return bucket.getTxBytes() +bucket.getRxBytes() ;

}

private String getSubscriberId(Context context, int networkType) {

if (ConnectivityManager.TYPE_MOBILE == networkType) {

TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

return tm.getSubscriberId();

}

return "";

}

/**

* 獲取指定應(yīng)用 wifi 發(fā)送的當(dāng)天總流量

* @param packageUid 應(yīng)用的uid

* @return

*/

public long getPackageTxDayBytesWifi(int packageUid) {

NetworkStats networkStats = null;

try {

networkStats = networkStatsManager.queryDetailsForUid(

ConnectivityManager.TYPE_WIFI,

"",

getTimesmorning(),

System.currentTimeMillis(),

packageUid);

} catch (RemoteException e) {

return -1;

}

NetworkStats.Bucket bucket = new NetworkStats.Bucket();

networkStats.getNextBucket(bucket);

return bucket.getTxBytes();

}

/**

* 獲取當(dāng)天的零點時間

*

* @return

*/

public static long getTimesmorning() {

Calendar cal = Calendar.getInstance();

cal.set(Calendar.HOUR_OF_DAY, 0);

cal.set(Calendar.SECOND, 0);

cal.set(Calendar.MINUTE, 0);

cal.set(Calendar.MILLISECOND, 0);

return (cal.getTimeInMillis());

}

//獲得本月第一天0點時間

public static int getTimesMonthmorning() {

Calendar cal = Calendar.getInstance();

cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);

cal.set(Calendar.DAY_OF_MONTH, cal.getActualMinimum(Calendar.DAY_OF_MONTH));

return (int) (cal.getTimeInMillis());

}

/**

* 根據(jù)包名獲取uid

* @param context 上下文

* @param packageName 包名

*/

public static int getUidByPackageName(Context context, String packageName) {

int uid = -1;

PackageManager packageManager = context.getPackageManager();

try {

PackageInfo packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_META_DATA);

uid = packageInfo.applicationInfo.uid;

} catch (PackageManager.NameNotFoundException e) {

e.printStackTrace();

}

return uid;

}

調(diào)用過程

//以上的方法封裝在了NetworkStatsHelper類里

public class NetworkStatsHelper {

NetworkStatsManager networkStatsManager;

int packageUid;

public NetworkStatsHelper(NetworkStatsManager networkStatsManager) {

this.networkStatsManager = networkStatsManager;

}

}

//初始化這個工具類

NetworkStatsManager networkStatsManager = (NetworkStatsManager) getSystemService(NETWORK_STATS_SERVICE);

helper = new NetworkStatsHelper(networkStatsManager);

循環(huán)遍歷應(yīng)用

PackageManager packageManager = getPackageManager();

final List applicationInfoList = packageManager.getInstalledPackages(0);

for (PackageInfo info : applicationInfoList) {

try {

PackageInfo pack = packageManager.getPackageInfo(info.packageName,PackageManager.GET_PERMISSIONS);

String[] requestedPermissions = pack.requestedPermissions;

if (requestedPermissions == null)

continue;

if (info.applicationInfo.uid == 1000)

continue;

for (String str : requestedPermissions) {

if (str.equals("android.permission.INTERNET")) {

long mobileTodayRx = helper.getPackageDayRxBytesMobile(mContext, uid);

//...添加自己的代碼

break;

}

}

} catch (PackageManager.NameNotFoundException exception) {

exception.printStackTrace();

}

}

這里說明下為什么要過濾掉info.applicationInfo.uid == 1000

因為沒有獲取uid == 1000的進程的流量權(quán)限

好了現(xiàn)在說到權(quán)限，下面就是需要配置的權(quán)限

其中tools:ignore 就是忽略這個錯誤的意思，不然它會報紅

僅僅在manifest里配置權(quán)限還是不夠的，還要動態(tài)申請

private boolean hasPermissionToReadNetworkStats() {

int permissionCheck = ContextCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE);

if (permissionCheck != PackageManager.PERMISSION_GRANTED) {

ActivityCompat.requestPermissions(this,

new String[]{Manifest.permission.READ_PHONE_STATE}, REQUEST_READ_PHONE_STATE);

} else {

}

if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {

return true;

}

final AppOpsManager appOps = (AppOpsManager) getSystemService(Context.APP_OPS_SERVICE);

int mode = appOps.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS,

android.os.Process.myUid(), getPackageName());

if (mode == AppOpsManager.MODE_ALLOWED) {

return true;

}

requestReadNetworkStats();

return false;

}

// 打開“有權(quán)查看使用情況的應(yīng)用”頁面

private void requestReadNetworkStats() {

Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);

startActivity(intent);

}

OK，到此就應(yīng)該能成功獲取流量統(tǒng)計信息了

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