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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

Solutions on the web

via Appcelerator JIRA by Suraj Datta, 1 year ago
Unable to start activity ComponentInfo{com.packagename.android/org.appcelerator.titanium.TiActivity}: java.lang.NumberFormatException: Invalid int: "NONE"
via Appcelerator JIRA by Suraj Datta, 1 year ago
Unable to start activity ComponentInfo{com.packagename.android/org.appcelerator.titanium.TiActivity}: java.lang.NumberFormatException: Invalid int: "NONE"
via Stack Overflow by James Meade
, 2 years ago
Unable to start activity ComponentInfo{com.example.mobileapplicationretry/com.example.mobileapplicationretry.MainActivity}: java.lang.NumberFormatException: Invalid int: ""
via Stack Overflow by Archit
, 2 years ago
Unable to start activity ComponentInfo{com.example.citylife/com.example.citylife.ExpenseCalculator}: java.lang.NumberFormatException: Invalid int: ""
via Stack Overflow by MML Professional
, 9 months ago
Unable to start activity ComponentInfo{Expert.MML/Expert.MML.MainActivity}: java.lang.NumberFormatException: Invalid int: ""
via blogspot.it by Unknown author, 2 years ago
Unable to start activity ComponentInfo{com.example.mobileapplicationretry/com.example.mobileapplicationretry.MainActivity}: java.lang.NumberFormatException: Invalid int: ""
java.lang.NumberFormatException: Invalid int: "NONE"	at java.lang.Integer.invalidInt(Integer.java:138)	at java.lang.Integer.parse(Integer.java:375)	at java.lang.Integer.parseInt(Integer.java:366)	at java.lang.Integer.parseInt(Integer.java:332)	at org.appcelerator.titanium.util.TiConvert.toInt(TiConvert.java:409)	at ti.modules.titanium.ui.widget.tableview.TiTableView.(TiTableView.java:356)	at ti.modules.titanium.ui.widget.TiUITableView.processProperties(TiUITableView.java:111)	at org.appcelerator.kroll.KrollProxy.setModelListener(KrollProxy.java:1219)	at org.appcelerator.titanium.proxy.TiViewProxy.realizeViews(TiViewProxy.java:509)	at org.appcelerator.titanium.proxy.TiViewProxy.handleGetView(TiViewProxy.java:500)	at org.appcelerator.titanium.proxy.TiViewProxy.getOrCreateView(TiViewProxy.java:478)	at org.appcelerator.titanium.proxy.TiViewProxy.realizeViews(TiViewProxy.java:516)	at org.appcelerator.titanium.proxy.TiViewProxy.handleGetView(TiViewProxy.java:500)	at org.appcelerator.titanium.proxy.TiViewProxy.getOrCreateView(TiViewProxy.java:478)	at org.appcelerator.titanium.proxy.TiViewProxy.realizeViews(TiViewProxy.java:516)	at org.appcelerator.titanium.proxy.TiViewProxy.handleGetView(TiViewProxy.java:500)	at org.appcelerator.titanium.proxy.TiViewProxy.getOrCreateView(TiViewProxy.java:478)	at com.tripvi.drawerlayout.Drawer.getNativeView(Drawer.java:592)	at com.tripvi.drawerlayout.Drawer.processProperties(Drawer.java:419)	at org.appcelerator.kroll.KrollProxy.setModelListener(KrollProxy.java:1219)	at org.appcelerator.titanium.proxy.TiViewProxy.realizeViews(TiViewProxy.java:509)	at org.appcelerator.titanium.proxy.TiViewProxy.handleGetView(TiViewProxy.java:500)	at org.appcelerator.titanium.proxy.TiViewProxy.getOrCreateView(TiViewProxy.java:478)