Phonegap-plugin-barcodescanner: App crashes with Error inflating class error

[ishanjain2801]

App is crashing when ever i am trying to open the camera. it says Unable to start activity.

2019-09-24 12:20:25.346 10619-10619/com.myapp.demo E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.myapp.demo, PID: 10619
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp.demo/com.google.zxing.client.android.CaptureActivity}: android.view.InflateException: Binary XML file line #98: Error inflating class com.google.zxing.client.android.pref.BSPlusPreference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2665)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726)
at android.app.ActivityThread.-wrap12(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
Caused by: android.view.InflateException: Binary XML file line #98: Error inflating class com.google.zxing.client.android.pref.BSPlusPreference
at android.preference.GenericInflater.createItemFromTag(GenericInflater.java:443)
at android.preference.GenericInflater.rInflate(GenericInflater.java:483)
at android.preference.GenericInflater.rInflate(GenericInflater.java:495)
at android.preference.GenericInflater.inflate(GenericInflater.java:327)
at android.preference.GenericInflater.inflate(GenericInflater.java:264)
at android.preference.PreferenceManager.inflateFromResource(PreferenceManager.java:280)
at android.preference.PreferenceManager.setDefaultValues(PreferenceManager.java:609)
at android.preference.PreferenceManager.setDefaultValues(PreferenceManager.java:568)
at com.google.zxing.client.android.CaptureActivity.onCreate(CaptureActivity.java:158)
at android.app.Activity.performCreate(Activity.java:6679)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2618)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2726) 
at android.app.ActivityThread.-wrap12(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1477) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:154) 
at android.app.ActivityThread.main(ActivityThread.java:6119) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) 
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.zxing.client.android.pref.BSPlusPreference" on path: DexPathList[[zip file "/data/app/com.myapp.demo-1/base.apk"],nativeLibraryDirectories=[/data/app/com.myapp.demo-1/lib/x86, /data/app/com.myapp.demo-1/base.apk!/lib/x86, /system/lib, /vendor/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:380)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)

[viking2917]

I think this is a duplicate of https://github.com/phonegap/phonegap-plugin-barcodescanner/issues/777. That issue has some workarounds mentioned. Looks like for some reason the plugin sometimes does not propagate the required activity/intent-filter to AndroidManifest.xml.

In my case, adding this to my config.xml fixed the crash.

 <config-file parent="/manifest/application" target="AndroidManifest.xml">
      <activity android:clearTaskOnLaunch="true" android:configChanges="orientation|keyboardHidden|screenSize" android:exported="false" android:name="com.google.zxing.client.android.CaptureActivity" android:theme="@android:style/Theme.NoTitleBar.Fullscreen" android:windowSoftInputMode="stateAlwaysHidden">
        <intent-filter>
          <action android:name="com.phonegap.plugins.barcodescanner.SCAN" />
          <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
      </activity>
    </config-file>

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