Android--获取使用的总流量和每个App的上传、下载的流量

<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>

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);
}
} }