获取手机信息的常用方法

MainActivity.java代码如下，布局文件就几个button，就不贴了

import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.net.InetAddress;import java.net.NetworkInterface;import java.net.SocketException;import java.util.Enumeration;import android.app.Activity;import android.app.ActivityManager;import android.app.ActivityManager.MemoryInfo;import android.content.Context;import android.location.Criteria;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.net.ConnectivityManager;import android.net.DhcpInfo;import android.net.NetworkInfo;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Bundle;import android.os.Environment;import android.os.StatFs;import android.telephony.TelephonyManager;import android.text.format.Formatter;import android.util.DisplayMetrics;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();}private void initView() {findViewById(R.id.button1).setOnClickListener(this);findViewById(R.id.button2).setOnClickListener(this);findViewById(R.id.button3).setOnClickListener(this);findViewById(R.id.button4).setOnClickListener(this);findViewById(R.id.button5).setOnClickListener(this);findViewById(R.id.button6).setOnClickListener(this);findViewById(R.id.button7).setOnClickListener(this);findViewById(R.id.button8).setOnClickListener(this);findViewById(R.id.button9).setOnClickListener(this);}@Overridepublic void onClick(View v) {switch (v.getId()) {// 手机定位case R.id.button1:setCriteria();break;// IP和MAC地址case R.id.button2:Toast.makeText(MainActivity.this,"hostIP:" + getLocalIpAddress2() + "  macAddr:"+ getLocalMacAddress(), Toast.LENGTH_LONG).show();break;// SD卡存储信息case R.id.button3:getSDCardInfo();break;// 手机分辨率case R.id.button4:getDisplayMetrics();break;// 网络是否连接case R.id.button5:isNetConnecting();break;// 手机内存case R.id.button6:getSystemMemory();break;// 手机CUPcase R.id.button7:getCpuInfo();break;// 手机IMEIcase R.id.button8:getImei();break;// 使用WifiManager获取IP地址case R.id.button9:getIpByWifiManager();break;default:break;}}/** * 手机定位start */private void setCriteria() {LocationManager locationManager;String serviceName = Context.LOCATION_SERVICE;locationManager = (LocationManager) getSystemService(serviceName);Criteria criteria = new Criteria();// 设置定位的精度criteria.setAccuracy(Criteria.ACCURACY_COARSE);// 获取大体的位置criteria.setAltitudeRequired(false);// 海拔信息criteria.setBearingRequired(false);// 海拔信息criteria.setCostAllowed(true);// 允许产生费用criteria.setPowerRequirement(Criteria.POWER_LOW);// 低功耗String provider = locationManager.getBestProvider(criteria, true);// 获取一个最符合查询条件的位置提供者Location location = locationManager.getLastKnownLocation(provider);updateWithNewLocation(location);locationManager.requestLocationUpdates(provider, 2000, 10,locationListener);// 注册 位置改变的监听器}private final LocationListener locationListener = new LocationListener() {// 用户位置改变的时候 的回调方法public void onLocationChanged(Location location) {updateWithNewLocation(location);}// 关闭public void onProviderDisabled(String provider) {updateWithNewLocation(null);}// gps ,打开public void onProviderEnabled(String provider) {}// 状态改变public void onStatusChanged(String provider, int status, Bundle extras) {}};private void updateWithNewLocation(Location location) {String latLongString;// 获取到用户的纬度if (location != null) {double lat = location.getLatitude();double lng = location.getLongitude();latLongString = "纬度:" + lat + "\n" + "经度:" + lng;} else {latLongString = "无法获取地理信息";}Toast.makeText(MainActivity.this, latLongString, Toast.LENGTH_LONG).show();}/** * 获取手机ip start */public String getLocalIpAddress() {try {for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {NetworkInterface intf = en.nextElement();for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {InetAddress inetAddress = enumIpAddr.nextElement();if (!inetAddress.isLoopbackAddress()) {return inetAddress.getHostAddress().toString();}}}} catch (SocketException ex) {ex.printStackTrace();// Log.e("ifo", ex.toString());}return "";}/** * 获取手机ip start */public void getIpByWifiManager() {WifiManager wifi_service = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);DhcpInfo dhcpInfo = wifi_service.getDhcpInfo();WifiInfo wifiinfo = wifi_service.getConnectionInfo();System.out.println("Wifi info----->" + wifiinfo.getIpAddress());System.out.println("DHCP info gateway----->"+ Formatter.formatIpAddress(dhcpInfo.gateway));System.out.println("DHCP info netmask----->"+ Formatter.formatIpAddress(dhcpInfo.netmask));// DhcpInfo中的ipAddress是一个int型的变量，通过Formatter将其转化为字符串IP地址Toast.makeText(this, Formatter.formatIpAddress(dhcpInfo.ipAddress),Toast.LENGTH_SHORT).show();}// 获取手机ip method-2public String getLocalIpAddress2() {// 获取wifi服务WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);// 判断wifi是否开启if (!wifiManager.isWifiEnabled()) {wifiManager.setWifiEnabled(true);}WifiInfo wifiInfo = wifiManager.getConnectionInfo();int ipAddress = wifiInfo.getIpAddress();String ip = intToIp(ipAddress);return ip;}private String intToIp(int i) {// Toast.makeText(this, String.valueOf(i), Toast.LENGTH_SHORT).show();return (i & 0xFF) + "." + ((i >> 8) & 0xFF) + "." + ((i >> 16) & 0xFF)+ "." + (i >> 24 & 0xFF);}/** * mac地址 start */public String getLocalMacAddress() {WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);WifiInfo info = wifi.getConnectionInfo();return info.getMacAddress();}/** * 获取Android手机中SD卡存储信息 获取剩余空间 */public void getSDCardInfo() {// 需要判断手机上面SD卡是否插好，如果有SD卡的情况下，我们才可以访问得到并获取到它的相关信息，当然以下这个语句需要用if做判断if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {// 取得sdcard文件路径File path = Environment.getExternalStorageDirectory();StatFs statfs = new StatFs(path.getPath());// 获取block的SIZElong blocSize = statfs.getBlockSize();// 获取BLOCK数量long totalBlocks = statfs.getBlockCount();// 空闲的Block的数量long availaBlock = statfs.getAvailableBlocks();// 计算总空间大小和空闲的空间大小// 存储空间大小跟空闲的存储空间大小就被计算出来了。long availableSize = blocSize * availaBlock;// (availableBlocks * blockSize)/1024 KIB 单位// (availableBlocks * blockSize)/1024 /1024 MIB单位long allSize = blocSize * totalBlocks;Toast.makeText(MainActivity.this,"可用：" + availableSize / 1024 / 1024 / 1024 + "GB" + "  总共："+ allSize / 1024 / 1024 / 1024 + "GB",Toast.LENGTH_LONG).show();} else {Toast.makeText(MainActivity.this, "SD卡不可用", Toast.LENGTH_LONG).show();}}public void getDisplayMetrics() {DisplayMetrics displayMetrics = new DisplayMetrics();getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);Toast.makeText(MainActivity.this,"分辨率：" + displayMetrics.widthPixels + "x"+ displayMetrics.heightPixels, Toast.LENGTH_LONG).show();}/** * 当前网络是否连接 *  */public void isNetConnecting() {ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();if (networkInfo == null || !networkInfo.isConnected()) {// info.setConnected(false);Toast.makeText(MainActivity.this, "当前无网络", Toast.LENGTH_LONG).show();} else {// info.setConnected(true);Toast.makeText(MainActivity.this, "当前网络正常", Toast.LENGTH_LONG).show();}}/** * 获取手机可用内存和总内存 *  */private void getSystemMemory() {String availMemory = getAvailMemory();String totalMemory = getTotalMemory();Toast.makeText(MainActivity.this,"可用内存:" + availMemory + "\n" + "总内存:" + totalMemory,Toast.LENGTH_LONG).show();}// 手机的内存信息主要在/proc/meminfo文件中，其中第一行是总内存，而剩余内存可通过ActivityManager.MemoryInfo得到。private String getAvailMemory() {// 获取android当前可用内存大小ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);MemoryInfo mi = new MemoryInfo();am.getMemoryInfo(mi);// mi.availMem; 当前系统的可用内存return Formatter.formatFileSize(getBaseContext(), mi.availMem);// 将获取的内存大小规格化}private String getTotalMemory() {String str1 = "/proc/meminfo";// 系统内存信息文件String str2;String[] arrayOfString;long initial_memory = 0;try {FileReader localFileReader = new FileReader(str1);BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);str2 = localBufferedReader.readLine();// 读取meminfo第一行，系统总内存大小arrayOfString = str2.split("\\s+");for (String num : arrayOfString) {Log.i(str2, num + "\t");}initial_memory = Integer.valueOf(arrayOfString[1]).intValue() * 1024;// 获得系统总内存，单位是KB，乘以1024转换为BytelocalBufferedReader.close();} catch (IOException e) {}return Formatter.formatFileSize(getBaseContext(), initial_memory);// Byte转换为KB或者MB，内存大小规格化}/** * 获取手机CPU信息 */private void getCpuInfo() {String str1 = "/proc/cpuinfo";String str2 = "";String[] cpuInfo = { "", "" }; // 1-cpu型号 //2-cpu频率String[] arrayOfString;try {FileReader fr = new FileReader(str1);BufferedReader localBufferedReader = new BufferedReader(fr, 8192);str2 = localBufferedReader.readLine();arrayOfString = str2.split("\\s+");for (int i = 2; i < arrayOfString.length; i++) {cpuInfo[0] = cpuInfo[0] + arrayOfString[i] + " ";}str2 = localBufferedReader.readLine();arrayOfString = str2.split("\\s+");cpuInfo[1] += arrayOfString[2];localBufferedReader.close();} catch (IOException e) {}Toast.makeText(MainActivity.this,"cpu型号:" + cpuInfo[0] + "\n" + "cpu频率:" + cpuInfo[1],Toast.LENGTH_LONG).show();}/** * 手机IMEI */private void getImei() {TelephonyManager mTelephonyMgr = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);String imei = mTelephonyMgr.getDeviceId();Toast.makeText(MainActivity.this, "imei:" + imei, Toast.LENGTH_SHORT).show();}}