获取手机运行内存SD卡等数据
import android.app.ActivityManager;
import android.content.Context;
import android.os.Environment;
import android.os.StatFs;
import android.telephony.TelephonyManager;
import android.util.Log;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.DecimalFormat;
/**
* Created by apple on 2017/9/30.
*/
public class HardwareUtils {
/**
* SD卡是否存在
*/
public static boolean externalMemoryAvailable() {
return android.os.Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
}
/**
* 获取手机内部剩余存储空间
*
* @return b
*/
public static long getAvailableInternalMemorySize() {
File path = Environment.getDataDirectory();
StatFs stat =new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
return availableBlocks * blockSize;
}
/**
* 获取手机内部总的存储空间
*
* @return b
*/
public static long getTotalInternalMemorySize() {
File path = Environment.getDataDirectory();
StatFs stat =new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
return totalBlocks * blockSize;
}
private static final int ERROR = -1;//
/**
* 获取卡剩余存储空间
*
* @return
*/
public static long getAvailableExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat =new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long availableBlocks = stat.getAvailableBlocks();
return availableBlocks * blockSize;
}else {
return ERROR;
}
}
/**
* 获取SD卡总的存储空间
*
* @return
*/
public static long getTotalExternalMemorySize() {
if (externalMemoryAvailable()) {
File path = Environment.getExternalStorageDirectory();
StatFs stat =new StatFs(path.getPath());
long blockSize = stat.getBlockSize();
long totalBlocks = stat.getBlockCount();
return totalBlocks * blockSize;
}else {
return ERROR;
}
}
/**
* 获取系统总内存
*
* @param context 可传入应用程序上下文。
* @return 总内存大单位为B。
*/
public static long getTotalMemorySize(Context context) {
String dir ="/proc/meminfo";
try {
FileReader fr =new FileReader(dir);
BufferedReader br =new BufferedReader(fr, 2048);
String memoryLine = br.readLine();
String subMemoryLine = memoryLine.substring(memoryLine.indexOf("MemTotal:"));
br.close();
return Integer.parseInt(subMemoryLine.replaceAll("\\D+", "")) *1024l;
}catch (IOException e) {
e.printStackTrace();
}
return 0;
}
/**
* 获取当前系统可用内存，返回数据以字节为单位。
*
* @param context 可传入应用程序上下文。
* @return 当前可用内存单位为B。
*/
public static long getAvailableMemory(Context context) {
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
ActivityManager.MemoryInfo memoryInfo =new ActivityManager.MemoryInfo();
am.getMemoryInfo(memoryInfo);
return memoryInfo.availMem;
}
private static DecimalFormatfileIntegerFormat =new DecimalFormat("#0");
private static DecimalFormatfileDecimalFormat =new DecimalFormat("#0.#");
/**
* 单位换算
*
* @param size 单位为B
* @param isInteger 是否返回取整的单位
* @return 转换后的单位
*/
public static StringformatFileSize(long size, boolean isInteger) {
DecimalFormat df = isInteger ?fileIntegerFormat :fileDecimalFormat;
String fileSizeString ="0M";
if (size <1024 && size >0) {
fileSizeString = df.format((double) size) +"B";
}else if (size <1024 *1024) {
fileSizeString = df.format((double) size /1024) +"K";
}else if (size <1024 *1024 *1024) {
fileSizeString = df.format((double) size / (1024 *1024)) +"M";
}else {
fileSizeString = df.format((double) size / (1024 *1024 *1024)) +"G";
}
return fileSizeString;
}
/////////////////////////////////////////////////////////
/**
* 获取dnsIp
* @return
*/
public static StringgetLocalDNS() {
Process cmdProcess =null;
BufferedReader reader =null;
String dnsIP ="";
try {
cmdProcess = Runtime.getRuntime().exec("getprop net.dns1");
reader =new BufferedReader(new InputStreamReader(cmdProcess.getInputStream()));
dnsIP = reader.readLine();
return dnsIP;
}catch (IOException e) {
return null;
}finally {
try {
reader.close();
}catch (IOException e) {
}
cmdProcess.destroy();
}
}
////////////////////////////////
/**
* 判断是否是模拟器
*
*
* @return
*/
public static boolean CheckEmulatorBuild() {
String BOARD = android.os.Build.BOARD;
String BOOTLOADER = android.os.Build.BOOTLOADER;
String BRAND = android.os.Build.BRAND;
String DEVICE = android.os.Build.DEVICE;
String HARDWARE = android.os.Build.HARDWARE;
String MODEL = android.os.Build.MODEL;
String PRODUCT = android.os.Build.PRODUCT;
String SERIAL = android.os.Build.SERIAL;
/*if (BOARD == "unknown" || BOOTLOADER == "unknown"
|| BRAND == "generic" || DEVICE == "generic"
|| MODEL == "sdk" || PRODUCT == "sdk"
|| HARDWARE == "goldfish" || SERIAL.equals("unknown")
|| BRAND.toLowerCase().equals("android")
|| MODEL.toLowerCase().contains("sdk")) {
Log.v("Result:", "Find Emulator by EmulatorBuild!");
return true;
}*/
if (BRAND.toLowerCase().equals("android") || MODEL.toLowerCase().contains("sdk")) {
Log.v("Result:", "Find Emulator by EmulatorBuild!");
return true;
}
Log.v("Result:", "Not Find Emulator by EmulatorBuild!");
return false;
}
///////////////////////////////////////////////////////
/**
* 获取手机运营商
*
* @param context
* @return
*/
public static StringgetProvidersName(Context context) {
TelephonyManager telephonyManager = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
String ProvidersName =null;
// 返回唯一的用户ID;就是这张卡的编号神马的
String IMSI = telephonyManager.getSubscriberId();
// IMSI号前面3位460是国家，紧接着后面2位00 02是中国移动，01是中国联通，03是中国电信。
// if (IMSI == null || "".equals(IMSI)) {
// ProvidersName = "获取手机号码失败";
// } else if (IMSI.startsWith("46000") || IMSI.startsWith("46002")) {
// ProvidersName = "中国移动";
// } else if (IMSI.startsWith("46001")) {
// ProvidersName = "中国联通";
// } else if (IMSI.startsWith("46003")) {
// ProvidersName = "中国电信";
// }
return IMSI;
}
