我在三星手機上開發了Google Map相關應用程序,並在Play商店中發佈,其中顯示了大約7000個支持的設備。當我在三星手機上下載應用程序時,它工作正常,但不適用於Moto和索尼手機。奇怪的應用程序無法在不同的手機上工作
當我嘗試用摩托移動進行調試它顯示「關閉VM」
06-20 00:17:25.276 457-457/com.mycompany.mypackage D/AndroidRuntime﹕ Shutting down VM
06-20 00:17:25.281 457-457/com.mycompany.mypackage E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.mycompany.mypackage, PID: 457
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.mycompany.mypackage/com.mycompany.mypackage.MapsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getPackageName()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2225)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2388)
at android.app.ActivityThread.access$800(ActivityThread.java:148)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1292)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5312)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:901)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.Context.getPackageName()' on a null object reference
at android.content.ContextWrapper.getPackageName(ContextWrapper.java:131)
at android.location.GeocoderParams.<init>(GeocoderParams.java:50)
at android.location.Geocoder.<init>(Geocoder.java:83)
at com.mycompany.mypackage.MapsActivity.<init>(MapsActivity.java:96)
at java.lang.reflect.Constructor.newInstance(Native Method)
at java.lang.Class.newInstance(Class.java:1572)
at android.app.Instrumentation.newActivity(Instrumentation.java:1088)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2215)
沒什麼做什麼設備的運行它,你有一個空指針錯誤代碼,建議您發佈您的代碼 – smoggers
Smoggers,但其對三星工作手機 –
是啊,這很奇怪,雖然再看看堆棧跟蹤錯誤指向地圖/地理編碼,所以很可能其他設備不支持應用程序使用的地圖功能? – smoggers