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I use volley for android requests. but when I release app and request for first time with volley, this error occur and app crash. But, when i disable proguard it's OK.

The log from the app is:

    java.lang.IncompatibleClassChangeError: Class 'org.apache.http.message.BasicHeader' does not implement interface 'org.apache.http.NameValuePair' in call to 'java.lang.String org.apache.http.NameValuePair.getName()' (declaration of 'com.android.volley.a.a' appears in base.apk)
        at com.android.volley.a.a.a(BasicNetwork.java:65)
        at com.android.volley.a.a.a(BasicNetwork.java:8)
        at com.android.volley.h.run(NetworkDispatcher.java:8)

I am building for API 28, running on API 28 and using uses-library as suggested:

        <uses-library android:name="org.apache.http.legacy" android:required="false" />
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  • could u log/show what error you tought? Commented Jun 14, 2019 at 22:00
  • java.lang.IncompatibleClassChangeError: Class 'org.apache.http.message.BasicHeader' does not implement interface 'org.apache.http.NameValuePair' in call to 'java.lang.String org.apache.http.NameValuePair.getName()' (declaration of 'com.android.volley.toolbox.BasicNetwork' appears in /data/app/ir.snayab.snaagrin-581o2YfpqDhdf8MGF9IysQ==/base.apk!classes2.dex) at com.android.volley.toolbox.BasicNetwork.convertHeaders(:278) at com.android.volley.toolbox.BasicNetwork.performRequest(:101) at com.android.volley.NetworkDispatcher.run(:114) Commented Jun 15, 2019 at 12:13
  • Possible duplicate of java.lang.IncompatibleClassChangeError: Class 'org.apache.http.message.BasicHeader' does not implement interface 'org.apache.http.NameValuePair' Commented Jun 27, 2019 at 15:47
  • Have you found a solution to this? Commented Jul 29, 2019 at 9:31
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