java.lang.NumberFormatException: Invalid float: ""

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java.lang.NumberFormatException: Invalid float: ""
at java.lang.StringToReal.invalidReal(StringToReal.java:63)
at java.lang.StringToReal.parseFloat(StringToReal.java:308)
at java.lang.Float.parseFloat(Float.java:306)
at jp.tkgktyk.xposed.forcetouchdetector.FTD$Settings.(FTD.java:239)
at jp.tkgktyk.xposed.forcetouchdetector.XposedModule.newSettings(XposedModule.java:31)
at jp.tkgktyk.xposed.forcetouchdetector.ModActivity$1.afterHookedMethod(ModActivity.java:70)
at com.android.internal.policy.impl.PhoneWindow$DecorView.(Unknown Source)
at com.android.internal.policy.impl.PhoneWindow.generateDecor(PhoneWindow.java:3584)
at com.android.internal.policy.impl.PhoneWindow.installDecor(PhoneWindow.java:3937)
at android.app.Activity.setContentView(Activity.java:2145)
at org.jtb.alogcat.LogActivity.onCreate(LogActivity.java:131)
at android.app.Activity.performCreate(Activity.java:5990)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2314)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2423)
at android.app.ActivityThread.access$900(ActivityThread.java:154)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1326)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5343)
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:911)
at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:117)

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