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VectorDrawable throws a NumberFormatException

I use brand new and cool vector illustrations for Android Lollipop. But with some SVG files, I always get a NumberFormatException at runtime when this drawable is used.

Here is my stack:

android.view.InflateException: Binary XML file line #60: Error inflating class android.widget.ImageButton at android.view.LayoutInflater.createView(LayoutInflater.java:633) at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) at android.view.LayoutInflater.rInflate(LayoutInflater.java:806) at android.view.LayoutInflater.inflate(LayoutInflater.java:504) at android.view.LayoutInflater.inflate(LayoutInflater.java:414) at censored at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489) at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486) at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) at android.support.v4.view.ViewPager.populate(ViewPager.java:1073) at android.support.v4.view.ViewPager.populate(ViewPager.java:919) at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.support.v7.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:453) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436) at android.widget.LinearLayout.measureVertical(LinearLayout.java:722) at android.widget.LinearLayout.onMeasure(LinearLayout.java:613) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560) at android.view.View.measure(View.java:17430) at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001) at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) at android.view.Choreographer.doCallbacks(Choreographer.java:580) at android.view.Choreographer.doFrame(Choreographer.java:550) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:288) at android.view.LayoutInflater.createView(LayoutInflater.java:607) ... 53 more Caused by: android.content.res.Resources$NotFoundException: File res/drawable-v21/example.xml from drawable resource ID #0x7f02008f at android.content.res.Resources.loadDrawableForCookie(Resources.java:2428) at android.content.res.Resources.loadDrawable(Resources.java:2330) at android.content.res.TypedArray.getDrawable(TypedArray.java:749) at android.widget.ImageView.<init>(ImageView.java:146) at android.widget.ImageButton.<init>(ImageButton.java:86) at android.widget.ImageButton.<init>(ImageButton.java:82) at android.widget.ImageButton.<init>(ImageButton.java:78) ... 56 more Caused by: java.lang.NumberFormatException: Invalid float: ".4.6" at java.lang.StringToReal.invalidReal(StringToReal.java:63) at java.lang.StringToReal.initialParse(StringToReal.java:160) at java.lang.StringToReal.parseFloat(StringToReal.java:323) at java.lang.Float.parseFloat(Float.java:306) at android.util.PathParser.getFloats(PathParser.java:178) at android.util.PathParser.createNodesFromPathData(PathParser.java:59) at android.graphics.drawable.VectorDrawable$VFullPath.updateStateFromTypedArray(VectorDrawable.java:1439) at android.graphics.drawable.VectorDrawable$VFullPath.inflate(VectorDrawable.java:1421) at android.graphics.drawable.VectorDrawable.inflateInternal(VectorDrawable.java:542) at android.graphics.drawable.VectorDrawable.inflate(VectorDrawable.java:458) at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:1095) at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1017) at android.content.res.Resources.loadDrawableForCookie(Resources.java:2418) ... 62 more java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:288) at android.view.LayoutInflater.createView(LayoutInflater.java:607) at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) at android.view.LayoutInflater.rInflate(LayoutInflater.java:806) at android.view.LayoutInflater.inflate(LayoutInflater.java:504) at android.view.LayoutInflater.inflate(LayoutInflater.java:414) at censored at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489) at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486) at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) at android.support.v4.view.ViewPager.populate(ViewPager.java:1073) at android.support.v4.view.ViewPager.populate(ViewPager.java:919) at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.support.v7.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:453) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436) at android.widget.LinearLayout.measureVertical(LinearLayout.java:722) at android.widget.LinearLayout.onMeasure(LinearLayout.java:613) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560) at android.view.View.measure(View.java:17430) at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001) at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) at android.view.Choreographer.doCallbacks(Choreographer.java:580) at android.view.Choreographer.doFrame(Choreographer.java:550) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) Caused by: android.content.res.Resources$NotFoundException: File res/drawable-v21/example.xml from drawable resource ID #0x7f02008f at android.content.res.Resources.loadDrawableForCookie(Resources.java:2428) at android.content.res.Resources.loadDrawable(Resources.java:2330) at android.content.res.TypedArray.getDrawable(TypedArray.java:749) at android.widget.ImageView.<init>(ImageView.java:146) at android.widget.ImageButton.<init>(ImageButton.java:86) at android.widget.ImageButton.<init>(ImageButton.java:82) at android.widget.ImageButton.<init>(ImageButton.java:78) ... 56 more Caused by: java.lang.NumberFormatException: Invalid float: ".4.6" at java.lang.StringToReal.invalidReal(StringToReal.java:63) at java.lang.StringToReal.initialParse(StringToReal.java:160) at java.lang.StringToReal.parseFloat(StringToReal.java:323) at java.lang.Float.parseFloat(Float.java:306) at android.util.PathParser.getFloats(PathParser.java:178) at android.util.PathParser.createNodesFromPathData(PathParser.java:59) at android.graphics.drawable.VectorDrawable$VFullPath.updateStateFromTypedArray(VectorDrawable.java:1439) at android.graphics.drawable.VectorDrawable$VFullPath.inflate(VectorDrawable.java:1421) at android.graphics.drawable.VectorDrawable.inflateInternal(VectorDrawable.java:542) at android.graphics.drawable.VectorDrawable.inflate(VectorDrawable.java:458) at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:1095) at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1017) at android.content.res.Resources.loadDrawableForCookie(Resources.java:2418) ... 62 more android.content.res.Resources$NotFoundException: File res/drawable-v21/example.xml from drawable resource ID #0x7f02008f at android.content.res.Resources.loadDrawableForCookie(Resources.java:2428) at android.content.res.Resources.loadDrawable(Resources.java:2330) at android.content.res.TypedArray.getDrawable(TypedArray.java:749) at android.widget.ImageView.<init>(ImageView.java:146) at android.widget.ImageButton.<init>(ImageButton.java:86) at android.widget.ImageButton.<init>(ImageButton.java:82) at android.widget.ImageButton.<init>(ImageButton.java:78) at java.lang.reflect.Constructor.newInstance(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:288) at android.view.LayoutInflater.createView(LayoutInflater.java:607) at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) at android.view.LayoutInflater.rInflate(LayoutInflater.java:806) at android.view.LayoutInflater.inflate(LayoutInflater.java:504) at android.view.LayoutInflater.inflate(LayoutInflater.java:414) at censored at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489) at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486) at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) at android.support.v4.view.ViewPager.populate(ViewPager.java:1073) at android.support.v4.view.ViewPager.populate(ViewPager.java:919) at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.support.v7.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:453) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436) at android.widget.LinearLayout.measureVertical(LinearLayout.java:722) at android.widget.LinearLayout.onMeasure(LinearLayout.java:613) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560) at android.view.View.measure(View.java:17430) at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001) at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) at android.view.Choreographer.doCallbacks(Choreographer.java:580) at android.view.Choreographer.doFrame(Choreographer.java:550) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) Caused by: java.lang.NumberFormatException: Invalid float: ".4.6" at java.lang.StringToReal.invalidReal(StringToReal.java:63) at java.lang.StringToReal.initialParse(StringToReal.java:160) at java.lang.StringToReal.parseFloat(StringToReal.java:323) at java.lang.Float.parseFloat(Float.java:306) at android.util.PathParser.getFloats(PathParser.java:178) at android.util.PathParser.createNodesFromPathData(PathParser.java:59) at android.graphics.drawable.VectorDrawable$VFullPath.updateStateFromTypedArray(VectorDrawable.java:1439) at android.graphics.drawable.VectorDrawable$VFullPath.inflate(VectorDrawable.java:1421) at android.graphics.drawable.VectorDrawable.inflateInternal(VectorDrawable.java:542) at android.graphics.drawable.VectorDrawable.inflate(VectorDrawable.java:458) at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:1095) at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1017) at android.content.res.Resources.loadDrawableForCookie(Resources.java:2418) ... 62 more java.lang.NumberFormatException: Invalid float: ".4.6" at java.lang.StringToReal.invalidReal(StringToReal.java:63) at java.lang.StringToReal.initialParse(StringToReal.java:160) at java.lang.StringToReal.parseFloat(StringToReal.java:323) at java.lang.Float.parseFloat(Float.java:306) at android.util.PathParser.getFloats(PathParser.java:178) at android.util.PathParser.createNodesFromPathData(PathParser.java:59) at android.graphics.drawable.VectorDrawable$VFullPath.updateStateFromTypedArray(VectorDrawable.java:1439) at android.graphics.drawable.VectorDrawable$VFullPath.inflate(VectorDrawable.java:1421) at android.graphics.drawable.VectorDrawable.inflateInternal(VectorDrawable.java:542) at android.graphics.drawable.VectorDrawable.inflate(VectorDrawable.java:458) at android.graphics.drawable.Drawable.createFromXmlInner(Drawable.java:1095) at android.graphics.drawable.Drawable.createFromXml(Drawable.java:1017) at android.content.res.Resources.loadDrawableForCookie(Resources.java:2418) at android.content.res.Resources.loadDrawable(Resources.java:2330) at android.content.res.TypedArray.getDrawable(TypedArray.java:749) at android.widget.ImageView.<init>(ImageView.java:146) at android.widget.ImageButton.<init>(ImageButton.java:86) at android.widget.ImageButton.<init>(ImageButton.java:82) at android.widget.ImageButton.<init>(ImageButton.java:78) at java.lang.reflect.Constructor.newInstance(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:288) at android.view.LayoutInflater.createView(LayoutInflater.java:607) at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741) at android.view.LayoutInflater.rInflate(LayoutInflater.java:806) at android.view.LayoutInflater.inflate(LayoutInflater.java:504) at android.view.LayoutInflater.inflate(LayoutInflater.java:414) at censored at android.support.v4.app.Fragment.performCreateView(Fragment.java:1786) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:947) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489) at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:486) at android.support.v4.app.FragmentStatePagerAdapter.finishUpdate(FragmentStatePagerAdapter.java:163) at android.support.v4.view.ViewPager.populate(ViewPager.java:1073) at android.support.v4.view.ViewPager.populate(ViewPager.java:919) at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1441) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.support.v7.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:453) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436) at android.widget.LinearLayout.measureVertical(LinearLayout.java:722) at android.widget.LinearLayout.onMeasure(LinearLayout.java:613) at android.view.View.measure(View.java:17430) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463) at android.widget.FrameLayout.onMeasure(FrameLayout.java:430) at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560) at android.view.View.measure(View.java:17430) at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001) at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) at android.view.Choreographer.doCallbacks(Choreographer.java:580) at android.view.Choreographer.doFrame(Choreographer.java:550) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) 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:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
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1 answer

The reason for this is not entirely clear to me, but here is what I know: The svg standard allows you to omit leading zeros for optimization. This is the main reason, because it seems that it is also allowed to concatenate them as often as you like, 0.1 0.2 0.3 can be written as .1.2.3 the Android analyzer cannot handle this. All SVG display tools that I know have no problems. Therefore, you just need to add a few spaces to your path. I wrote this regular expression, which may have to be run several times until there are no more hits.

Just replace in Android Studio (which has the Regex checkbox selected):

 (\.\d+)(\.\d)

by

 $1 $2

This will solve your problem.

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Source: https://habr.com/ru/post/1209517/

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