Android Studio - rendering of support library issue -


i've got problem rendering of layout preview in android studio, while using classes google support libraries (appcompat-v7, support-v4).

example (same goes every other element support libraries):

the following classes not found: - android.support.v7.widget.toolbar (fix build path, edit xml, create class)

the libraries added dependencies list of build.gradle:

dependencies {     compile filetree(dir: 'libs', include: ['*.jar'])     compile 'com.android.support:appcompat-v7:22.1.1'     compile 'com.android.support:support-v4:22.1.1' }

the thing is, when change class name in xml <toolbar> instead of <android.support.v7.widget.toolbar>, rendered perfectly, won't run on older api versions. changing rendering api version not fix it, neither changing app theme or building / cleaning project.

the application runs on older , new apis without problems - it's rendering annoys me, i've tried i've found on stack overflow regarding such issues, , still not fix it. seems me, android studio layout renderer not see classes added in dependency list.

below code custom application toolbar:

<android.support.v7.widget.toolbar xmlns:android="http://schemas.android.com/apk/res/android"                                    xmlns:app="http://schemas.android.com/apk/res-auto"                                    android:paddingtop="@dimen/padding_top"                                    android:layout_width="match_parent"                                    android:layout_height="wrap_content"                                    android:background="@color/primarycolor"                                    app:theme="@style/customtoolbartheme"     />

have @ answer nadir williams here. said

isnt theme attribute supposed android:theme instead of app:theme?

does help?


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