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Android android app just says network connection error

I have created a registration and registration system, when ever I try to login, register, change password or reset password, the application just says "Network connection error".

I am using a strong internet connection, can you please advise how I tried to use WI-FI and 4G, however it still says the same error.

Please view the logcat errors

06-25 14:23:44.625  16888-16888/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: samsung sensitivity: NULL, cateogry: NULL
06-25 14:23:44.705  16888-16903/? E/SPPClientService﹕ ============PushLog. commonIsShipBuild. stop!
06-25 14:23:44.705  16888-16903/? E/SPPClientService﹕ [PushClientApplication] Push log off : This is Ship build version
06-25 14:23:44.735  16906-16906/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:44.735  16906-16906/? E/Zygote﹕ v2
06-25 14:23:44.755  16906-16906/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:23:44.825  16922-16922/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:44.825  16922-16922/? E/Zygote﹕ v2
06-25 14:23:44.845  16922-16922/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:44.995  16949-16949/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:44.995  16949-16949/? E/Zygote﹕ v2
06-25 14:23:45.055  16949-16949/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:45.495  16976-16976/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:45.495  16976-16976/? E/Zygote﹕ v2
06-25 14:23:45.545  16976-16976/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:45.695  16976-16976/? E/PhotosPlugin﹕ Loading PhotosPlugin
06-25 14:23:46.095  17021-17021/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:46.095  17021-17021/? E/Zygote﹕ v2
06-25 14:23:46.135  17021-17021/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: samsung sensitivity: NULL, cateogry: NULL
06-25 14:23:46.495  17060-17060/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:46.495  17060-17060/? E/Zygote﹕ v2
06-25 14:23:46.535  17060-17060/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:23:46.655    3216-3216/? E/PackageReceiver﹕ this package will be replased, skip this package
06-25 14:23:46.655    3216-3216/? E/PackageReceiver﹕ This package will be replaced = com.brad.visor
06-25 14:24:18.665     930-1106/? E/MotionRecognitionService﹕ handler : SCREEN_ON end
06-25 14:23:46.745  17105-17105/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:46.745  17105-17105/? E/Zygote﹕ v2
06-25 14:23:46.785  17105-17105/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:23:46.915  17124-17124/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:46.915  17124-17124/? E/Zygote﹕ v2
06-25 14:23:46.925      292-292/? E/installd﹕ system dir 0 : /system/app/
06-25 14:23:46.925      292-292/? E/installd﹕ system dir 1 : /system/priv-app/
06-25 14:23:46.925      292-292/? E/installd﹕ system dir 2 : /vendor/app/
06-25 14:23:46.925      292-292/? E/installd﹕ system dir 3 : /oem/app/
06-25 14:23:46.955  17124-17124/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:23:47.115  17148-17148/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:47.115  17148-17148/? E/Zygote﹕ v2
06-25 14:23:47.155  17148-17148/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:47.385  16669-17170/? E/FilterInstaller﹕ There is no requred permission
06-25 14:23:47.465      281-281/? E/SMD﹕ DCD ON
06-25 14:23:47.515  17183-17183/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:47.515  17183-17183/? E/Zygote﹕ v2
06-25 14:23:47.535  17183-17183/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:23:47.545  17199-17199/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:47.545  17199-17199/? E/Zygote﹕ v2
06-25 14:23:47.565  17199-17199/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:47.815  17223-17223/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:47.815  17223-17223/? E/Zygote﹕ v2
06-25 14:23:47.855  17223-17223/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: samsung sensitivity: NULL, cateogry: NULL
06-25 14:23:48.065  17249-17249/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:48.065  17249-17249/? E/Zygote﹕ v2
06-25 14:23:48.115  17249-17249/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: default sensitivity: NULL, cateogry: NULL
06-25 14:23:48.205    3216-3216/? E/PackageReceiver﹕ this package will be replased, skip this package
06-25 14:23:48.205    3216-3216/? E/PackageReceiver﹕ This package will be replaced = com.brad.visor
06-25 14:23:48.475    1700-1700/? E/NetworkScheduler.SchedulerReceiver﹕ Invalid parameter app
06-25 14:23:48.475    1700-1700/? E/NetworkScheduler.SchedulerReceiver﹕ Invalid package name : Perhaps you didn't include a PendingIntent in the extras?
06-25 14:23:48.525  17270-17270/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:23:48.525  17270-17270/? E/Zygote﹕ v2
06-25 14:23:48.555  17270-17270/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: untrusted sensitivity: NULL, cateogry: NULL
06-25 14:23:49.035  17270-17270/? E/SysUtils﹕ ApplicationContext is null in ApplicationStatus
06-25 14:23:49.225  17270-17328/? E/File﹕ fail readDirectory() errno=2
06-25 14:23:49.325    1669-7212/? E/MDM﹕ [181] b.run: Couldn't connect to Google API client: ConnectionResult{statusCode=API_UNAVAILABLE, resolution=null}
06-25 14:23:50.465      281-281/? E/SMD﹕ DCD ON
06-25 14:23:53.475      281-281/? E/SMD﹕ DCD ON
06-25 14:23:56.475      281-281/? E/SMD﹕ DCD ON
06-25 14:23:57.315  17021-17102/? E/SQLiteLog﹕ (284) automatic index on LOCAL_DUPS(local_dup_id)
06-25 14:23:57.925  17021-17102/? E/SQLiteLog﹕ (284) automatic index on LOCAL_DUPS(local_dup_id)
06-25 14:23:58.095  17021-17102/? E/SQLiteLog﹕ (284) automatic index on LOCAL_DUPS(local_dup_id)
06-25 14:23:58.155  17021-17102/? E/SQLiteLog﹕ (284) automatic index on LOCAL_DUPS(local_dup_id)
06-25 14:23:59.465      281-281/? E/SMD﹕ DCD ON
06-25 14:24:02.465      281-281/? E/SMD﹕ DCD ON
06-25 14:24:02.605     930-1128/? E/WifiStateMachine﹕ WifiStateMachine CMD_START_SCAN source 10014 txSuccessRate=94.24 rxSuccessRate=74.75 targetRoamBSSID=c4:04:15:c1:13:70 RSSI=-40
06-25 14:24:02.615     930-1128/? E/WifiStateMachine﹕ [1,435,238,642,625 ms] noteScanStartWorkSource{10014} uid 10014
06-25 14:24:05.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:06.525     930-1128/? E/WifiStateMachine﹕ [1,435,238,646,538 ms] noteScanEnd WorkSource{10014}
06-25 14:24:06.545     930-1128/? E/WifiStateMachine﹕ wifi setScanResults statecom.android.server.wifi.WifiStateMachine$ConnectedState@550587e sup_state=COMPLETED debouncing=false
06-25 14:24:06.745      930-930/? E/LocSvc_flp﹕ I/===> int flp_inject_location(FlpLocation*) line 222
06-25 14:24:06.745     930-1419/? E/LocSvc_ApiV02﹕ I/<--- void globalRespCb(locClientHandleType, uint32_t, locClientRespIndUnionType, void*) line 125 QMI_LOC_INJECT_POSITION_REQ_V02
06-25 14:24:08.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:11.465      281-281/? E/SMD﹕ DCD ON
06-25 14:24:14.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:17.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:18.545      251-251/? E/qdexternal﹕ writeHPDOption: file write failed '/sys/devices/virtual/graphics/fb1/hpd'
06-25 14:24:18.675     930-1128/? E/WifiStateMachine﹕ handleScreenStateChanged Exit: true
06-25 14:24:18.695     930-1128/? E/WifiStateMachine﹕ setSuspendOptimizationsNative: 4 false -want true stack:setSuspendOptimizationsNative - access$16800 - processMessage - processMsg
06-25 14:24:18.695     930-1128/? E/native﹕ do suspend false
06-25 14:24:18.885    1315-1315/? E/daemonapp﹕ [MSC_Daemon]>>> WU:1606 [0:0] [NameNotFoundException] !!
06-25 14:24:18.925    4622-4819/? E/BtGatt.ScanManager﹕ default value of curScanSetting 0 is choosen
06-25 14:24:19.905     930-1816/? E/PersonaManagerService﹕ inState():  stateMachine is null !!
06-25 14:24:20.485      281-281/? E/SMD﹕ DCD ON
06-25 14:24:21.125     930-1423/? E/ClipboardUIManager﹕ Failed to get ClipboardService
06-25 14:24:21.155   2258-17537/? E/SamsungIME﹕ lang.getLanguageCode():en, lang.getCountryCode():GB
06-25 14:24:21.155   2258-17538/? E/SamsungIME﹕ lang.getLanguageCode():en, lang.getCountryCode():GB
06-25 14:24:21.685    2258-2258/? E/SamsungIME﹕ SwiftKey guide popup condition 2 : true false false true true true true true true true
06-25 14:24:22.585     930-1128/? E/WifiStateMachine﹕ [1,435,238,662,601 ms] noteScanEnd no scan source
06-25 14:24:22.595     930-1128/? E/WifiStateMachine﹕ wifi setScanResults statecom.android.server.wifi.WifiStateMachine$ConnectedState@550587e sup_state=COMPLETED debouncing=false
06-25 14:24:23.265   1172-17483/? E/SViewCoverBase﹕ requestDumpUpload : MC is not installed
06-25 14:24:23.295     930-1232/? E/ClipboardUIManager﹕ Failed to get ClipboardService
06-25 14:24:23.325   2258-17571/? E/SamsungIME﹕ lang.getLanguageCode():en, lang.getCountryCode():GB
06-25 14:24:23.415   2258-17582/? E/SamsungIME﹕ lang.getLanguageCode():en, lang.getCountryCode():GB
06-25 14:24:23.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:23.925    2258-2258/? E/SamsungIME﹕ SwiftKey guide popup condition 2 : true false false true true true true true true true
06-25 14:24:25.475     930-1423/? E/ClipboardUIManager﹕ Failed to get ClipboardService
06-25 14:24:25.485  16752-16752/com.brad.visor E/ViewRootImpl﹕ sendUserActionEvent() mView == null
06-25 14:24:25.775     930-1336/? E/Watchdog﹕ !@Sync 167
06-25 14:24:26.485      281-281/? E/SMD﹕ DCD ON
06-25 14:24:27.355     930-1712/? E/ClipboardUIManager﹕ Failed to get ClipboardService
06-25 14:24:27.615      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.615      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.615      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.615      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.625  17614-17614/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:24:27.625  17614-17614/? E/Zygote﹕ v2
06-25 14:24:27.645  17614-17614/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:24:27.855     930-1077/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.855     930-1077/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.855     930-1077/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.855     930-1077/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.865  17632-17632/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:24:27.865  17632-17632/? E/Zygote﹕ v2
06-25 14:24:27.895  17632-17632/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: shared sensitivity: NULL, cateogry: NULL
06-25 14:24:27.975      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.975      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.975      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.975      930-947/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:27.985  17648-17648/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:24:27.985  17648-17648/? E/Zygote﹕ v2
06-25 14:24:28.005  17648-17648/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:24:28.075     930-1423/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:28.075     930-1423/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:28.075     930-1423/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:28.075     930-1423/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:28.085  17664-17664/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:24:28.085  17664-17664/? E/Zygote﹕ v2
06-25 14:24:28.115  17664-17664/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: platform sensitivity: NULL, cateogry: NULL
06-25 14:24:28.765     930-1050/? E/PowerManagerService﹕ handleSandman : startDreaming, but isDreaming false
06-25 14:24:28.905     930-1128/? E/WifiStateMachine﹕ WifiStateMachine CMD_START_SCAN source 10014 txSuccessRate=33.91 rxSuccessRate=24.84 targetRoamBSSID=c4:04:15:c1:13:70 RSSI=-41
06-25 14:24:28.905     930-1128/? E/WifiStateMachine﹕ [1,435,238,668,921 ms] noteScanstart no scan source
06-25 14:24:28.905      930-930/? E/LightSensor﹕ Light old sensor_state 0, new sensor_state : 512 en : 1
06-25 14:24:28.965     930-1106/? E/MotionRecognitionService﹕ handler : SCREEN_OFF end
06-25 14:24:28.965     930-1128/? E/WifiStateMachine﹕ handleScreenStateChanged Exit: false
06-25 14:24:28.975    286-17705/? E/AudioPlayer﹕ >>> setAudioEffect Error mAudioFormat : 1, event : 168430090, value : 151652874
06-25 14:24:28.985     930-1128/? E/WifiStateMachine﹕ setSuspendOptimizationsNative: 4 true -want true stack:setSuspendOptimizationsNative - access$16800 - processMessage - processMsg
06-25 14:24:28.985     930-1128/? E/WifiStateMachine﹕ setSuspendOptimizationsNative do it 4 true stack:setSuspendOptimizationsNative - access$16800 - processMessage - processMsg
06-25 14:24:28.985     930-1128/? E/native﹕ do suspend true
06-25 14:24:29.025    286-17709/? E/AudioPlayer﹕ >>> setAudioEffect Error mAudioFormat : 1, event : 4587583, value : 4390976
06-25 14:24:29.075    286-17713/? E/AudioPlayer﹕ >>> setAudioEffect Error mAudioFormat : 1, event : 4587583, value : 4390976
06-25 14:24:29.275     930-1014/? E/LightSensor﹕ RED : 0, GREEN : 0, BLUE : 0, CLEAR : 0, CALCULATED LUX : 0.000000, CCT : 1596.000000, REAL LUX : 0.000000 a_time = 238, gain = 64, ir=0, rp1=1, gp1=0, bp1=0, cp1=0, cpl=3202560
06-25 14:24:29.275     930-1076/? E/LightSensor﹕ Light old sensor_state 512, new sensor_state : 0 en : 0
06-25 14:24:29.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:29.555      930-930/? E/MotionRecognitionService﹕ mReceiver.onReceive : ACTION_USER_PRESENT  :: UNLOCK SCREEN
06-25 14:24:29.555      930-930/? E/LightSensor﹕ Light old sensor_state 0, new sensor_state : 512 en : 1
06-25 14:24:29.595     930-1581/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:29.595     930-1581/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:29.595     930-1581/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:29.595     930-1581/? E/ActivityManager﹕ checkUser: useridlist=null, currentuser=0
06-25 14:24:29.605  17723-17723/? E/Zygote﹕ MountEmulatedStorage()
06-25 14:24:29.605  17723-17723/? E/Zygote﹕ v2
06-25 14:24:29.655  17723-17723/? E/SELinux﹕ [DEBUG] get_category: variable seinfo: default sensitivity: NULL, cateogry: NULL
06-25 14:24:29.695    1172-1172/? E/StatusBar﹕ onReceive : Intent.ACTION_SCREEN_OFF
06-25 14:24:29.935     930-1014/? E/LightSensor﹕ RED : 0, GREEN : 0, BLUE : 0, CLEAR : 0, CALCULATED LUX : 0.000000, CCT : 1596.000000, REAL LUX : 0.000000 a_time = 238, gain = 64, ir=0, rp1=1, gp1=0, bp1=0, cp1=0, cpl=3202560
06-25 14:24:29.935     930-1076/? E/LightSensor﹕ Light old sensor_state 512, new sensor_state : 0 en : 0
06-25 14:24:29.995    4622-4819/? E/BtGatt.ScanManager﹕ default value of curScanSetting 0 is choosen
06-25 14:24:30.075  17723-17723/? E/SysUtils﹕ ApplicationContext is null in ApplicationStatus
06-25 14:24:32.475      281-281/? E/SMD﹕ DCD ON
06-25 14:24:32.785     930-1128/? E/WifiStateMachine﹕ [1,435,238,672,797 ms] noteScanEnd WorkSource{10014}
06-25 14:24:32.795     930-1128/? E/WifiStateMachine﹕ wifi setScanResults statecom.android.server.wifi.WifiStateMachine$ConnectedState@550587e sup_state=COMPLETED debouncing=false
06-25 14:24:35.485      281-281/? E/SMD﹕ DCD ON
06-25 14:24:38.485      281-281/? E/SMD﹕ DCD ON
06-25 14:24:41.485      281-281/? E/SMD﹕ DCD ON

manifest file

  <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.brad.visor" >


    <application


        android:icon="@mipmap/logo"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name=".Login">
        </activity>
        <activity
            android:name=".Register">
        </activity>
        <activity
            android:name=".Registered">
        </activity>
        <activity
            android:name=".Main">
        </activity>
        <activity
            android:name=".PasswordReset">
        </activity>
        <activity
            android:name=".ChangePassword">
        </activity>

    </application>

    <!-- Allow to connect with internet and to know the current network state-->
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />


</manifest>
+3


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4 answers


In your manifest file add



<uses-permission android:name="android.permission.INTERNET" />
0


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I am not 100% if this is your problem because you didn’t publish the manifest file, but I ran into this problem before and fixed it by adding permission to your manifest file.



More info here: http://developer.android.com/training/basics/network-ops/connecting.html

0


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  1. test the app on different devices

  2. check the connection with the following method

    public static boolean isNetworkConnected(Context context) {
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
    return networkInfo != null && networkInfo.isConnected();
}
0


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I had a similar problem. Make sure your mobile device is connected to the Internet. This was a problem for me. No internet connection on mobile device.

-1


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