android - java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v4/graphics/ColorUtils; -


java.lang.noclassdeffounderror in android 5.1.1 got running on 6.0.1

here class have error:

public class duelstextview extends appcompattextview {      int fonttype;      public duelstextview(context context) {         super(context);         init(null);     }      public duelstextview(context context, attributeset attrs) {         super(context, attrs);         init(attrs);     }      public duelstextview(context context, attributeset attrs, int defstyle) {         super(context, attrs, defstyle);         init(attrs);     }      public void init(attributeset attrs) {          if (attrs != null) {             typedarray = getcontext().obtainstyledattributes(attrs, r.styleable.duelstextview);             fonttype = a.getinteger(r.styleable.duelstextview_font_type, 0);         }          try {              typeface mytypeface = null;              if (fonttype == 0) {                 mytypeface = typeface.createfromasset(getcontext().getassets(), "fonts/breeserif-regular.ttf");             } else if (fonttype == 1) {                 mytypeface = typeface.createfromasset(getcontext().getassets(), "fonts/markoone-regular.ttf");             }              this.settypeface(mytypeface);         } catch (exception e) {             e.printstacktrace();         }     } }

here gradle file:

apply plugin: 'com.android.application'  android {      compilesdkversion 25     buildtoolsversion '25.0.0'      defaultconfig {         applicationid "com.adamvarhegyi.duelsofcodrer"         minsdkversion 17         targetsdkversion 25         versioncode 1         versionname "1.0"         vectordrawables.usesupportlibrary = true      }     buildtypes {         release {             minifyenabled false             proguardfiles getdefaultproguardfile('proguard-android.txt'), 'proguard-rules.pro'         }     } }   repositories {     mavencentral() }  dependencies {     compile filetree(include: ['*.jar'], dir: 'libs')      compile('com.android.support:appcompat-v7:25.0.1') {         exclude module: 'support-v4'     }     compile('com.android.support:recyclerview-v7:25.0.1')      compile('com.makeramen:roundedimageview:2.2.1')     compile('org.apache.commons:commons-lang3:3.4')     compile('de.hdodenhof:circleimageview:2.1.0') }

if change extending simple textview it's working fine, android studio suggests me have use appcompattextview custom views.

why happening? should modify?

change these dependencies

compile('com.android.support:appcompat-v7:25.0.1') {         exclude module: 'support-v4'     }     compile('com.android.support:recyclerview-v7:25.0.1')

to

compile('com.android.support:appcompat-v7:25.0.0')   compile('com.android.support:recyclerview-v7:25.0.0')

don't know why exclude v4, if it's not reason keep it.

don't know why happening, happened me , fix match buildtoolsversion support libraries version.


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