Android获取Build跟内存，分辨率等信息

package com.zms.getdeviceinfo;import android.app.ActivityManager;import android.content.Context;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Build;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.telephony.TelephonyManager;import android.text.format.Formatter;import android.util.DisplayMetrics;import android.view.Menu;import android.view.MenuItem;import android.widget.TextView;import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.util.TimeZone;public class Main extends ActionBarActivity {    private TextView tvInfo;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        tvInfo = (TextView) findViewById(R.id.tvInfo);        tvInfo.setText(getBuildInfo(0) + getDisplayInfo(0) + getTelephonyState(0) + getTimeZoneInfo()                + getHardwareInfo(0));    }    /**     * @param type 0-All,1-Model,2-VersionRelease,Other-Error.     * @return String     */    private String getBuildInfo(int type) {        String model = Build.MODEL; // 型号        String versionRelease = Build.VERSION.RELEASE;        String versionSDK = Build.VERSION.SDK;        String versionIncremental = Build.VERSION.INCREMENTAL;        String brand = Build.BRAND;        String id = Build.ID;        String manufacturer = Build.MANUFACTURER;        String hardware = Build.HARDWARE;        String product = Build.PRODUCT;        String cpuABI = Build.CPU_ABI;        String cpuABI2 = Build.CPU_ABI2;        String fingerPrint = Build.FINGERPRINT;        String board = Build.BOARD;        String serial = Build.SERIAL;        String user = Build.USER;        if (type == 0) {            return "Model:" + model + "\nVersionRelease:" + versionRelease + "\nVersionSDK:" +                    versionSDK + "\nVersionIncremental:" + versionIncremental + "\nBrand:" + brand                    + "\nID:" + id + "\nManufacturer:" + manufacturer + "\nHardware:" + hardware                    + "\nProduct:" + product + "\nCpuABI:" + cpuABI + "\nCpuABI2:" + cpuABI2 +                    "\nFingerPrint:" + fingerPrint + "\nBoard:" + board + "\nSerial:" + serial +                    "\nUser:" + user + "\n";        } else if (type == 1) {            return "Model" + model + "\n";        } else if (type == 2) {            return "VersionRelease:" + versionRelease + "\n";        } else {            return "[getBuildInfo Err]";        }    }    private String getHardwareInfo(int type) {        WifiManager wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);        WifiInfo wifiInfo = wifiManager.getConnectionInfo();        String macAddress = wifiInfo.getMacAddress();        String strCPU = "";        String[] cpuInfo = {"", ""};  //1-cpu型号  //2-cpu频率        String[] arrayOfStringCPU;        try {            FileReader fileReader = new FileReader("/proc/cpuinfo");            BufferedReader localBufferedReader = new BufferedReader(fileReader, 8192);            strCPU = localBufferedReader.readLine();            arrayOfStringCPU = strCPU.split("\\s+");            for (int i = 2; i < arrayOfStringCPU.length; i++) {                cpuInfo[0] = cpuInfo[0] + arrayOfStringCPU[i] + " ";            }            strCPU = localBufferedReader.readLine();            arrayOfStringCPU = strCPU.split("\\s+");            cpuInfo[1] += arrayOfStringCPU[2];            localBufferedReader.close();        } catch (IOException e) {            e.printStackTrace();        }        // adb shell;cat /proc/meminfo        ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();        ActivityManager activityManager = (ActivityManager) this.getSystemService(                Context.ACTIVITY_SERVICE);        activityManager.getMemoryInfo(memoryInfo);        long mTotalMem = memoryInfo.totalMem;//0;        long mAvailMem = memoryInfo.availMem;        /*        String strMemory;        String[] arrayOfStringMemory;        try {            FileReader localFileReader = new FileReader("/proc/meminfo");            BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);            strMemory = localBufferedReader.readLine();            arrayOfStringMemory = strMemory.split("\\s+");            mTotalMem = Integer.valueOf(arrayOfStringMemory[1]).intValue() * 1024;            localBufferedReader.close();        } catch (IOException e) {            e.printStackTrace();        }        */        String totalMemory = Formatter.formatFileSize(this, mTotalMem);        String availMemory = Formatter.formatFileSize(this, mAvailMem);        if (type == 0) {            return "MacAddress:" + macAddress + "\nCpuModel:" + cpuInfo[0] + "\nCpuClock:" +                    cpuInfo[1] + "\nTotalMemory:" + totalMemory + "\nAvailableMemory:" + availMemory                    + "\n";        } else {            return "";        }    }    /**     * @param type 0-All,1-DeviceId,2-SubscriberId,3-PhoneNumber,Other-Error.     * @return String     */    private String getTelephonyState(int type) {        TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);        String deviceId = telephonyManager.getDeviceId();        String subscriberId = telephonyManager.getSubscriberId();        String phoneNumber = telephonyManager.getLine1Number();        if (type == 0) {            return "DeviceId:" + deviceId + "\nSubscriberId:" + subscriberId + "\nPhoneNumber:" + phoneNumber + "\n";        } else if (type == 1) {            return "DeviceId:" + deviceId + "\n";        } else if (type == 2) {            return "SubscriberId" + subscriberId + "\n";        } else if (type == 3) {            return "PhoneNumber:" + phoneNumber + "\n";        } else {            return "[getTelephonyState Err]";        }    }    /**     * @param type 0-All,1-ScreenHeight,2-ScreenWidth,Other-Error.     * @return String     */    private String getDisplayInfo(int type) {        DisplayMetrics displayMetrics = new DisplayMetrics();        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);        int screenHeight = displayMetrics.heightPixels;        int screenWidth = displayMetrics.widthPixels;        if (type == 0) {            return "ScreenHeight:" + screenHeight + "\nScreenWidth:" + screenWidth + "\n";        } else if (type == 1) {            return "ScreenHeight:" + screenHeight + "\n";        } else if (type == 2) {            return "ScreenWidth:" + screenWidth + "\n";        } else {            return "[getTelephonyState Err]";        }    }    private String getTimeZoneInfo() {        TimeZone timeZone = TimeZone.getDefault();        return "TimeZone:" + timeZone.toString() + "\n";    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}