我今天将我的 Android 应用程序上传到市场,我收到了 4 个关于NumberFormatException,Double.parseDouble
和的错误Double.valueOf
。
这是我在开发者控制台中看到的 Logcat:
java.lang.RuntimeException: Unable to start activity ComponentInfo{can.you.drive/can.you.drive.do_drive}: java.lang.NumberFormatException
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1816)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1837)
at android.app.ActivityThread.access$1500(ActivityThread.java:132)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1033)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:143)
at android.app.ActivityThread.main(ActivityThread.java:4196)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NumberFormatException
at org.apache.harmony.luni.util.FloatingPointParser.parseDblImpl(Native Method)
at org.apache.harmony.luni.util.FloatingPointParser.parseDouble(FloatingPointParser.java:283)
at java.lang.Double.parseDouble(Double.java:318)
at java.lang.Double.valueOf(Double.java:356)
at can.you.drive.dont_drive.roundTwoDecimals(dont_drive.java:132)
at can.you.drive.do_drive.onCreate(do_drive.java:125)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1093)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1780)
这是发生错误的函数(根据日志)-
public static double roundTwoDecimals(double d) {
DecimalFormat twoDForm = new DecimalFormat("#.###");
return Double.valueOf(twoDForm.format(d));
}
我知道那d
是双倍的。
此外,这在我的手机上运行良好(Nexus S 运行 2.3.4)。我从其他用户那里得到错误。这就是为什么我无法真正调试它。
我真的不知道我在某些手机上出现这种情况的原因是什么。