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huangzhuanghua
195
app/src/main/java/com/gh/common/util/TrafficUtils.java
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195
app/src/main/java/com/gh/common/util/TrafficUtils.java
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package com.gh.common.util;
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import java.util.Calendar;
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import java.util.List;
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import android.content.Context;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.net.TrafficStats;
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public class TrafficUtils {
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static TrafficUtils instance;
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DB db;
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Context context;
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public static TrafficUtils getInstance(Context context) {
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return getInstance(context, false);
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}
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public static TrafficUtils getInstance(Context context, boolean update) {
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if (instance == null) {
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synchronized (TrafficUtils.class) {
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if (instance == null) {
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instance = new TrafficUtils(context);
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if (update)
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instance.update();
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return instance;
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}
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}
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}
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if (update)
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instance.update();
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return instance;
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}
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private TrafficUtils(Context context) {
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this.context = context.getApplicationContext();
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db = new DB(this.context);
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}
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public void update() {
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// 获取所有的安装在手机上的应用软件的信息，并且获取这些软件里面的权限信息
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PackageManager pm = context.getPackageManager();// 获取系统应用包管理
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// 获取每个包内的androidmanifest.xml信息，它的权限等等
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List<PackageInfo> pinfos = pm
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.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES
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| PackageManager.GET_PERMISSIONS);
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// 遍历每个应用包信息
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for (PackageInfo info : pinfos) {
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// 请求每个程序包对应的androidManifest.xml里面的权限
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String[] premissions = info.requestedPermissions;
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if (premissions != null && premissions.length > 0) {
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// 找出需要网络服务的应用程序
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for (String premission : premissions) {
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if ("android.permission.INTERNET".equals(premission)) {
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// 获取每个应用程序在操作系统内的进程id
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int uId = info.applicationInfo.uid;
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// 如果返回-1，代表不支持使用该方法，注意必须是2.2以上的
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long rx = TrafficStats.getUidRxBytes(uId);
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// 如果返回-1，代表不支持使用该方法，注意必须是2.2以上的
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long tx = TrafficStats.getUidTxBytes(uId);
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if (rx < 0 || tx < 0) {
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continue;
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} else {
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db.update(info.packageName, rx + tx);
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}
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}
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}
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}
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}
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db.clean(Calendar.getInstance().getTimeInMillis() - 3600 * 24 * 30);
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}
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public long getTraffic(List<String> packageNameList) {
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return this.getTraffic(packageNameList, Calendar.getInstance()
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.getTimeInMillis() - 3600 * 24 * 7);
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}
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public long getTraffic(List<String> packageNameList, long from) {
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return this.getTraffic(packageNameList, from, Calendar.getInstance()
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.getTimeInMillis());
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}
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public long getTraffic(List<String> packageNameList, long from, long to) {
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long traffic = 0;
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for (String packageName : packageNameList) {
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traffic += db.getTraffic(packageName, from, to);
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}
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return traffic;
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}
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public long getTraffice(String packageName){
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return db.getTraffic(packageName, Calendar.getInstance()
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.getTimeInMillis() - 3600 * 24 * 7);
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}
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public long getTraffice(String packageName, long from){
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return db.getTraffic(packageName, from);
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}
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class DB extends SQLiteOpenHelper {
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static final String name = "gh_traffic.db";
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static final int version = 1;
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public DB(Context context) {
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super(context, name, null, version);
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}
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String traffic = "CREATE TABLE traffic(" + "package text,"
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+ "traffic integer not null," + "time integer not null" + ");";
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL(traffic);
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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}
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public void update(String packageName, long traffic) {
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String sql = "INSERT INTO traffic (package, traffic, time) VALUES (?, ?, ?)";
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Object[] bindArgs = new Object[] { packageName, traffic,
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Calendar.getInstance().getTimeInMillis() };
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this.getWritableDatabase().execSQL(sql, bindArgs);
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}
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public void clean(long time) {
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String sql = "DELETE FROM traffic WHERE time < ? ";
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Object[] bindArgs = new Object[] { time };
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this.getWritableDatabase().execSQL(sql, bindArgs);
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}
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public long getTraffic(String packageName, long from) {
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return getTraffic(packageName, from, Calendar.getInstance()
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.getTimeInMillis());
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}
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public long getTraffic(String packageName, long from, long to) {
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long traffic = 0;
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String sql = "SELECT * FROM traffic WHERE package = ? AND time >= ? AND time <= ? ORDER BY time DESC";
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String selectionArgs[] = new String[] { packageName,
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String.valueOf(from), String.valueOf(to) };
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Cursor cursor = this.getReadableDatabase().rawQuery(sql,
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selectionArgs);
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if (cursor.getCount() > 1) {
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cursor.moveToFirst();
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long traffic1 = cursor
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.getLong(cursor.getColumnIndex("traffic"));
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// long time1 = cursor.getLong(cursor.getColumnIndex("time"));
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cursor.moveToLast();
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long traffic2 = cursor
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.getLong(cursor.getColumnIndex("traffic"));
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// long time2 = cursor.getLong(cursor.getColumnIndex("time"));
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traffic = traffic1 - traffic2;
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// long cha = traffic1 - traffic2;
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// if(cha > 0){
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// traffic = cha / (time2 - time1);
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// }
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} else if (cursor.getCount() == 1) {
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sql = "SELECT * FROM traffic WHERE package = ? AND time < ? ORDER BY time DESC";
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selectionArgs = new String[] { packageName,
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String.valueOf(from) };
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Cursor cursor2 = this.getReadableDatabase().rawQuery(sql,
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selectionArgs);
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if (cursor2.moveToNext()) {
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cursor.moveToFirst();
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long traffic1 = cursor.getLong(cursor
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.getColumnIndex("traffic"));
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// long time1 =
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// cursor.getLong(cursor.getColumnIndex("time"));
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long traffic2 = cursor2.getLong(cursor
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.getColumnIndex("traffic"));
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// long time2 =
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// cursor2.getLong(cursor.getColumnIndex("time"));
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traffic = traffic1 - traffic2;
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// long cha = traffic1 - traffic2;
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// if(cha > 0){
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// traffic = cha / (time2 - time1);
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// }
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}
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cursor2.close();
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}
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cursor.close();
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return traffic;
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}
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}
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}
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