java - Calling Methods of Pattern Library into Activity -

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i using android pattern lock library from: https://code.google.com/p/android-lockpattern/source/browse/

after import library not able call single function of library, whenever run app,getting force close inflate exception.please solve problem. sorry bad english

 package com.example.otpdemo;     import group.pals.android.lib.ui.lockpattern.lockpatternactivity;   import android.os.bundle;   import android.app.activity;   import android.content.intent;   import android.widget.button;    public class mainactivity extends activity {    char[] savedpattern;   private static final int req_create_pattern = 1;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);    intent intent = new intent(lockpatternactivity.action_create_pattern, null,   mainactivity.this,lockpatternactivity.class);     startactivityforresult(intent, req_create_pattern); }  @override protected void onactivityresult(int requestcode, int resultcode,intent data) {     switch (requestcode) {     case req_create_pattern: {         if (resultcode == result_ok) {             char[] pattern = data.getchararrayextra(lockpatternactivity.extra_pattern);          }         break;     }     } }

logcat error:

11-13 12:40:53.690: e/androidruntime(1389): java.lang.runtimeexception: unable start activity componentinfo{com.example.otpdemo/group.pals.android.lib.ui.lockpattern.lockpatternactivity}: android.view.inflateexception: binary xml file line #18: error inflating class group.pals.android.lib.ui.lockpattern.widget.lockpatternview_v14

11-13 12:40:53.690: e/androidruntime(1389): @ group.pals.android.lib.ui.lockpattern.lockpatternactivity.initcontentview(lockpatternactivity.java:7)

are eclipse user? how importing library? should download library project, unpack , import (folder code inside zip), right click on -> properties -> android section , there check "is library". in app same, left "is library" unchecked , press "add" button , add lib


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