ESA2GJK1DH1K Basics: Android encapsulated packet instructions MQTT

 

 

 

 

Explanation

　　To avoid duplicate content in this section use on a project as this section of the project

　　Said the current project that is behind the project in this section.

Open on a project, a project of this section

　　

 

 

Basics first open test of APP inside source inside the project

　　

 

copy

 

　　First, copy the first test of APP inside source inside MyMqttClient to the current project

　　　　

 

　　　　

 

 

 

 

　　　　

 

 

 

 

　　Second, the phone's IMEI source which is used as a ClientID MQTT, and get a copy of the source code inside the IMEI

 

　　Code into the current project

　　

public  static String TelephonyIMEI = "" ; // get phone IMEI

 

= GetTelephonyIMEI TelephonyIMEI (getApplicationContext ()); // get phone IMEI

/*获取手机IMEI号*/
    private String getTelephonyIMEI(Context context) {
        String id = "IMEI";
        TelephonyManager mTelephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        if (ContextCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {
            if (mTelephony.getDeviceId() != null) {
                id = mTelephony.getDeviceId();
            }
        }
        else {
            id = Settings.Secure.getString(context.getApplicationContext().getContentResolver(), Settings.Secure.ANDROID_ID);
        }
        return id;
    }

 

 

 

 

　　　　

 

 

 

 

三,添加权限

 

 

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