Attempt to invoke virtual method 'java.lang.String java.lang.String.toUpperCase()' on a null object reference

Question

The app stopped during getting the location from Gps.

PrayerTimes Class

The app stopped during getting the location from Gps.

in these two lines

    public static Mazhab getDefaultMazhab(String countryCode) {
        countryCode = countryCode.toUpperCase();

        if("AF, AL, EG".contains (countryCode)) return Mazhab.PTC_MAZHAB_SHAFEI;

        return Mazhab.PTC_MAZHAB_HANAFI;
    }

    public static Way getDefaultWay(String countryCode) {
        countryCode = countryCode.toUpperCase();

        if("CM, CF, CD, CG, CI, EG, GH, IQ, KE, LY, MY, ML, SN, SO, SD, TN".indexOf(countryCode)>=0) return Way.PTC_WAY_EGYPT;

        if("AF, AL, BD, IN, PK, WF".indexOf(countryCode)>=0) return Way.PTC_WAY_KARACHI;

        if("CA, US".indexOf(countryCode)>=0) return Way.PTC_WAY_ISNA;

        if("BH, KW, OM, QA, SA, AE, YE".indexOf(countryCode)>=0) return Way.PTC_WAY_UMQURA;

        return Way.PTC_WAY_MWL;
    }
}

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from LogCat

Attempt to invoke virtual method 'java.lang.String java.lang.String.toUpperCase()' on a null object reference

at

at mindtrack.muslimorganizer.calculator.prayer.PrayerTimes.getDefaultMazhab(PrayerTimes.java:282)
        at mindtrack.muslimorganizer.ui.activity.MainActivity.onLocationChanged(MainActivity.java:324)

Which line is 282 in `PrayerTimes.java`? – Omid.N May 16 '20 at 09:17 — Omid.N, May 16 '20 at 09:17

score 1 · Accepted Answer · answered May 16 '20 at 09:17

1

countryCode in getDefaultMazhab is null. Put if(countryCode!=null) before that line

answered May 16 '20 at 09:17

MMG

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Or don't call it with null values. – user207421 May 18 '20 at 09:53

Attempt to invoke virtual method 'java.lang.String java.lang.String.toUpperCase()' on a null object reference

PrayerTimes Class

LogCat

1 Answers1