Android--获取使用的总流量和每个App的上传、下载的流量

获得每个App的上传、下载的流量。

思路就是获取到我们手机上的所有app，再获得app里面使用的权限，如果app有网络权限，就显示出来。

代码很简单，代码里面也有比较详细的注释，下面直接上代码

布局文件:

 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
     android:paddingBottom="@dimen/activity_vertical_margin"
     tools:context="com.example.fanlei.mycontentproviderdemo.TrafficActivity">

     <TextView
         android:id="@+id/show_liuliang"
         android:text="@string/hello_world"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content" />

     <Button
         android:id="@+id/btn_scan"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="获取App流量"/>

     <ListView
         android:id="@+id/listView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content">

     </ListView>
 </LinearLayout>

主函数:

 package com.example.fanlei.mycontentproviderdemo;

 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.net.TrafficStats;
 import android.os.Bundle;
 import android.support.v7.app.ActionBarActivity;
 import android.view.View;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
 import android.widget.TextView;

 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 public class TrafficActivity extends ActionBarActivity {

     private TextView show_liuliang;//显示流量
     private Button   btn_scan;
     private ListView listView;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_traffic_activity);

         show_liuliang = (TextView) findViewById(R.id.show_liuliang);
         listView      = (ListView) findViewById(R.id.listView);
         btn_scan      = (Button) findViewById(R.id.btn_scan);

         long mrb = TrafficStats.getMobileRxBytes();   //手机接收的字节数,非WiFi状态

         long mtb = TrafficStats.getMobileTxBytes();   //手机发送的字节数，非WiFi状态

         long tMrb = TrafficStats.getTotalRxBytes();   //全部接收的字节数

         long tMtb = TrafficStats.getTotalTxBytes();   //全部发送的字节数

         StringBuilder sb = new StringBuilder();
         sb.append("非WiFi总接受:").append(byteToMB(mrb));
         sb.append("非WiFi总发送:").append(byteToMB(mtb));
         sb.append("全部接收:").append(byteToMB(tMrb));
         sb.append("全部发送:").append(byteToMB(tMtb));

         show_liuliang.setText(sb.toString());//显示

         btn_scan.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 PackageManager pm = getPackageManager();             //拿到包管理者
                 //拿到包的信息  PackageInfo是系统的一个类
                 List<PackageInfo> info = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES
                                                                  |PackageManager.GET_PERMISSIONS);
                 List<Map<String,String>> appInfo = new ArrayList<>();//用于存放App的名称，上传和下载的字节
                 /**
                  * 通过看它有没有网络权限权限
                  */
                 for (PackageInfo temp:info){
                     String permissions[] = temp.requestedPermissions;    //拿到该包的权限
                     if (permissions!= null && permissions.length > 0){   //如果有权限
                         for (String p : permissions){
                             if (p.equals("android.permission.INTERNET")){//是否有网络权限
                                 String appName = temp.applicationInfo.loadLabel(pm).toString();       //App名称
                                 long appMrb    = TrafficStats.getUidRxBytes(temp.applicationInfo.uid);//App接收的字节
                                 long appMtb    = TrafficStats.getUidTxBytes(temp.applicationInfo.uid);//App发送的字节
                                 String str = appName + "下载："+byteToMB(appMrb)+"上传:"+byteToMB(appMtb);
                                 Map<String,String> map = new HashMap<>();
                                 map.put("info",str);
                                 appInfo.add(map);
                             }
                         }
                     }
                 }

                 SimpleAdapter simpleAdapter = new SimpleAdapter(getBaseContext(),
                         appInfo,
                         android.R.layout.simple_list_item_1,
                         new String[]{"info"},
                         new int[]{android.R.id.text1});

                 listView.setAdapter(simpleAdapter);//设置Adapter
             }
         });
     }
     //将字节数转化为MB
     private String byteToMB(long size){
         long kb = 1024;
         long mb = kb*1024;
         long gb = mb*1024;
         if (size >= gb){
             return String.format("%.1f GB",(float)size/gb);
         }else if (size >= mb){
             float f = (float) size/mb;
             return String.format(f > 100 ?"%.0f MB":"%.1f MB",f);
         }else if (size > kb){
             float f = (float) size / kb;
             return String.format(f>100?"%.0f KB":"%.1f KB",f);
         }else {
             return String.format("%d B",size);
         }
     }

 }

虚拟机效果图，由于我的虚拟机不能上网，故没有流量的使用