GlobalState.java

package com.cfap.cfadevicemanager;

import android.app.Application;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.BatteryManager;
import android.os.Build;
import android.telephony.TelephonyManager;
import android.widget.EditText;

/**
 * Created by Shreya on 27/07/15.
 */

/**
 * Variables of this class are global to the entire application classes and can be accessed from anywhere using get and set
 * methods.
 */
public class GlobalState extends Application{

    private String jStr = "";
    private String connStatus="";


    public void setJStr(String js){
        jStr = js;
    }
    public String getjStr(){
        return jStr;
    }

    public void setConnStatus(String s){
        connStatus = s;
    }
    public String getConnStatus(){
        return connStatus;
    }

    public String getDeviceModel(){
        String manufacturer = Build.MANUFACTURER;
        String model = Build.MODEL;
        if (model.startsWith(manufacturer)) {
            return capitalize(model);
        } else {
            return capitalize(manufacturer) + " " + model;
        }
    }

    private String capitalize(String s) {
        if (s == null || s.length() == 0) {
            return "";
        }
        char first = s.charAt(0);
        if (Character.isUpperCase(first)) {
            return s;
        } else {
            return Character.toUpperCase(first) + s.substring(1);
        }
    }

    public String getAndroidVersion() {
        String release = Build.VERSION.RELEASE;
        int sdkVersion = Build.VERSION.SDK_INT;
        return "Android SDK: " + sdkVersion + " (" + release +")";
    }

    public String getDeviceImei(){
        TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
        return telephonyManager.getDeviceId().toString();
    }

    public String getBatteryStatus(){
        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent batteryStatus = this.registerReceiver(null, ifilter);

        // are we charging?
        int status = batteryStatus.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
        boolean isCharging = status == BatteryManager.BATTERY_STATUS_CHARGING ||
                status == BatteryManager.BATTERY_STATUS_FULL;

        // How are we charging?
        int chargePlug = batteryStatus.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
        boolean usbCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_USB;
        boolean acCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_AC;

        int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = batteryStatus.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        float batteryPct = (level / (float)scale)*100;
        return String.valueOf(batteryPct)+"% charging?: "+isCharging+" AC Charging?: "+acCharge+" USB Charging?: "+usbCharge;
    }

}