Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.length()' on a null object reference about android-otpview-pinview HOT 11 CLOSED

@altaf2892 May I ask why you need to exclude app:otp="1234"? The documentation says to keep it included.

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it shows otpview filled with 1234 to user for the first time .so

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@altaf2892 are you using the latest version of the lib? the example app seems to be working fine

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yes mukesh, i m using latest version ... currently i have managed by above code implementation but.. i think it should be works with blanks from xml implementation or also should be worked if i ignore this codeline in xml..

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just to make sure the your using the version 1.1.0 right? I'm unable to reproduce the issue can you try again and let me know

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@altaf2892 any update?

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i am using this. implementation 'com.github.mukeshsolanki:android-otpview-pinview:1.0.6'

and code implementation is
otpView.setListener(new OtpListener() { @Override public void onOtpEntered(String s) { if (otpView.hasValidOTP()) { verifyOtp(s); } } });
and xml implementation
`<com.mukesh.OtpView
android:id="@+id/otp_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="@dimen/margin_30dp"
android:inputType="number"
android:textColor="@color/login"
app:length="4"
app:otp=" "
android:background="@color/white">

        </com.mukesh.OtpView>`

in xml margin top and color are from string that's why showing Quotes here

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That bug was fixed in 1.1.0 can you please update and test @altaf2892

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Otp Size is different from the OtpView size at com.mukesh.OtpView.setOTP(OtpView.java:98) at
same error

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pharma.app/com.pharma.app.activities.OtpVerification}: android.view.InflateException: Binary XML file line #66: Binary XML file line #66: Error inflating class com.mukesh.OtpView at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2760) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2821) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1541) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:181) at android.app.ActivityThread.main(ActivityThread.java:6295) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:793) Caused by: android.view.InflateException: Binary XML file line #66: Binary XML file line #66: Error inflating class com.mukesh.OtpView Caused by: android.view.InflateException: Binary XML file line #66: Error inflating class com.mukesh.OtpView Caused by: java.lang.reflect.InvocationTargetException at java.lang.reflect.Constructor.newInstance0(Native Method) at java.lang.reflect.Constructor.newInstance(Constructor.java:430) at android.view.LayoutInflater.createView(LayoutInflater.java:654) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:832) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:772) at android.view.LayoutInflater.rInflate(LayoutInflater.java:903) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866) at android.view.LayoutInflater.rInflate(LayoutInflater.java:906) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866) at android.view.LayoutInflater.rInflate(LayoutInflater.java:906) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866) at android.view.LayoutInflater.inflate(LayoutInflater.java:524) at android.view.LayoutInflater.inflate(LayoutInflater.java:432) at android.view.LayoutInflater.inflate(LayoutInflater.java:383) at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139) at com.pharma.app.activities.OtpVerification.onCreate(OtpVerification.java:52) at android.app.Activity.performCreate(Activity.java:6862) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1125) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2713) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2821) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1541) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:181) at android.app.ActivityThread.main(ActivityThread.java:6295) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:793) Caused by: java.lang.IllegalArgumentException: Otp Size is different from the OtpView size at com.mukesh.OtpView.setOTP(OtpView.java:98) at com.mukesh.OtpView.generateViews(OtpView.java:166) at com.mukesh.OtpView.styleEditTexts(OtpView.java:111) at com.mukesh.OtpView.init(OtpView.java:50) at com.mukesh.OtpView.<init>(OtpView.java:40) at java.lang.reflect.Constructor.newInstance0(Native Method)  at java.lang.reflect.Constructor.newInstance(Constructor.java:430)  at android.view.LayoutInflater.createView(LayoutInflater.java:654)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:832)  at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:772)  at android.view.LayoutInflater.rInflate(LayoutInflater.java:903)  at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866)  at android.view.LayoutInflater.rInflate(LayoutInflater.java:906)  at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866)  at android.view.LayoutInflater.rInflate(LayoutInflater.java:906)  at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:866)  at android.view.LayoutInflater.inflate(LayoutInflater.java:524)  at android.view.LayoutInflater.inflate(LayoutInflater.java:432)  at android.view.LayoutInflater.inflate(LayoutInflater.java:383)  at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:287)  at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)  at com.pharma.app.activities.OtpVerification.onCreate(OtpVerification.java:52)  at android.app.Activity.performCreate(Activity.java:6862)  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1125)  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2713)  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2821)  at android.app.ActivityThread.-wrap12(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1541)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:181)  at android.app.ActivityThread.main(ActivityThread.java:6295)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:793) 

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the issue is app:length="4" app:otp=" "

you are assigning a length of 4 and setting the text to "" which is wrong. Please refer the example app for correct implementation

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@altaf2892 any update on this?

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