Android 极速获取局域网在线设备信息

Android 单线程获取局域网在线设备，极速刷新arp文件并读取内容 从4分30s 优化到 0.150s

package com.area.device.activity;

import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.area.device.R;
import com.area.device.adapter.AreaDeviceAdapter;
import com.area.device.base.baseActivity;
import com.area.device.bean.AreaDeviceBean;
import com.area.device.iview.IAreaDeviceView;
import com.area.device.present.AreaDevicePresent;


/**
 * Created by user on 2017/5/9.
 */

public class AreaNetDeviceActivity extends baseActivity implements IAreaDeviceView {
    private TextView mNumTv;
    private ImageView mLocalIv;
    private TextView mLocalNameTv;
    private TextView mLocalIpTv;
    private TextView mLocalMacTv;
    private ListView mListView;
    private AreaDeviceAdapter mAdapter;
    private AreaDevicePresent mPresent;

    @Override
    public void setContentView（） {
        setContentView（R.layout.activity_area_device）;
    }

    @Override
    public void findView（） {
        mNumTv = （TextView） findViewById（R.id.activity_area_device_conn_num）;

        mLocalIv = （ImageView） findViewById（R.id.item_area_device_iv）;
        mLocalNameTv = （TextView） findViewById（R.id.item_area_device_name）;
        mLocalIpTv = （TextView） findViewById（R.id.item_area_device_ip）;
        mLocalMacTv = （TextView） findViewById（R.id.item_area_device_mac）;

        mListView = （ListView） findViewById（R.id.activity_area_device_list）;
    }

    @Override
    public void initView（） {

    }


    @Override
    public void initData（） {
        mPresent = new AreaDevicePresent（this mContext）;
        mAdapter = new AreaDeviceAdapter（mContext mPresent.getData（））;
        mListView.setAdapter（mAdapter）;
    }

    @Override
    public void initListener（） {

    }

    @Override
    public void upLocalData（AreaDeviceBean localBean） {
        mLocalIv.setImageResource（localBean.getResId（））;
        mLocalNameTv.setText（localBean.getName（））;
        mLocalIpTv.setText（localBean.getIp（））;
        mLocalMacTv.setText（localBean.getMac（））;
    }

    @Override
    public void upListData（boolean isChange int numDevice） {
        mNumTv.setText（String.valueOf（numDevice））;
        if （isChange && mAdapter != null） {//避免异常
            mAdapter.notifyDataSetChanged（）;
        }
    }

    @Override
    protected void onDestroy（） {
        super.onDestroy（）;
        mPresent.onDestroy（）;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-05-11 12:12  areaDevice\
     文件         127  2017-05-11 08:58  areaDevice\.gitignore
     目录           0  2017-05-11 08:58  areaDevice\.gradle\
     目录           0  2017-05-11 09:24  areaDevice\.gradle\2.14.1\
     目录           0  2017-05-11 08:58  areaDevice\.gradle\2.14.1\taskArtifacts\
     文件          31  2017-05-11 08:58  areaDevice\.gradle\2.14.1\taskArtifacts\cache.properties
     文件          17  2017-05-11 09:31  areaDevice\.gradle\2.14.1\taskArtifacts\cache.properties.lock
     文件       25744  2017-05-11 09:31  areaDevice\.gradle\2.14.1\taskArtifacts\fileHashes.bin
     文件      121544  2017-05-11 09:31  areaDevice\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin
     文件       23894  2017-05-11 09:31  areaDevice\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin
     文件       89884  2017-05-11 09:31  areaDevice\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin
     目录           0  2017-05-11 09:24  areaDevice\.gradle\2.14.1\tasks\
     目录           0  2017-05-11 09:24  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\
     目录           0  2017-05-11 09:24  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\
     文件       26292  2017-05-11 09:29  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
     文件          17  2017-05-11 09:29  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
     目录           0  2017-05-11 09:24  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\
     文件       18820  2017-05-11 09:29  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
     文件          17  2017-05-11 09:29  areaDevice\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
     目录           0  2017-05-11 09:37  areaDevice\.idea\
     文件         686  2017-05-11 08:58  areaDevice\.idea\compiler.xml
     目录           0  2017-05-11 08:58  areaDevice\.idea\copyright\
     文件          76  2017-05-11 08:58  areaDevice\.idea\copyright\profiles_settings.xml
     目录           0  2017-05-11 08:59  areaDevice\.idea\dictionaries\
     文件          85  2017-05-11 08:59  areaDevice\.idea\dictionaries\user.xml
     文件         159  2017-05-11 08:58  areaDevice\.idea\encodings.xml
     文件         626  2017-05-11 08:58  areaDevice\.idea\gradle.xml
     目录           0  2017-05-11 09:22  areaDevice\.idea\libraries\
     文件         589  2017-05-11 09:22  areaDevice\.idea\libraries\rxandroid_1_2_1.xml
     文件         501  2017-05-11 09:22  areaDevice\.idea\libraries\rxjava_1_1_6.xml
     文件        4801  2017-05-11 09:22  areaDevice\.idea\misc.xml
............此处省略52个文件信息