android - Implementating GridLayout v7 for API 8, -


i have problem layout uses gridlayout widget android support library v7 android.support.v7.widget.gridlayout.

have added external jar path:

<sdk_folder>\extras\android\support\v7\gridlayout

to project properties: project->properties->java build path->libraries tab.
, also, in same properties window in "order , export" tab, marked box of imported jar on list.


when use widget in layout, gives me next errors in gridlayout:

-error: no resource identifier found attribute 'columncount' in package 'com.mwm.internews'
-error: no resource identifier found attribute 'rowcount' in package 'com.mwm.internews'

also getting same errors each 1 of child views contained in gridlayout (i have three textviews inside gridlayout throwing same errors)

my project package name com.mwm.internews. here xml file issue , have put 1 of 3 textviews metioned above reference:

element_page_2.xml:

<?xml version="1.0" encoding="utf-8"?> <relativelayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:background="@color/white"    android:gravity="center_vertical" >      <ratingbar         android:id="@+id/rba_rating_element_page_2"         android:layout_width="wrap_content"         android:layout_height="26dp"         android:layout_centerhorizontal="true"         android:layout_marginbottom="5dp"         android:numstars="10"         android:progressdrawable="@drawable/element_ratingbar"         android:rating="5.0"         android:stepsize="1.0" />      <relativelayout         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:layout_below="@id/rba_rating_element_page_2"         android:gravity="center_horizontal" >          <android.support.v7.widget.gridlayout             xmlns:grid="http://schemas.android.com/apk/res-auto"             xmlns:android="http://schemas.android.com/apk/res/android"             android:id="@+id/glo_content_rating_element_page_2"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_marginleft="10dp"             android:layout_torightof="@+id/imv_image_element_page_2"             grid:columncount="2"             grid:rowcount="2" >              <textview                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"                 grid:layout_column="0"                 grid:layout_gravity="center_vertical|left"                 grid:layout_row="0"                 android:background="@color/transparent"                 android:text="@string/txt_text_rating_element_page_2"                 android:textcolor="@color/darkgray"                 android:textsize="24sp"                 android:textstyle="normal" />              <textview                 ... />              <textview                 ... />         </android.support.v7.widget.gridlayout>

here errors first textview repeated on next 2 textviews:

-error: no resource identifier found attribute 'layout_column' in package 'com.mwm.internews'
-error: no resource identifier found attribute 'layout_gravity' in package 'com.mwm.internews'
-error: no resource identifier found attribute 'layout_row' in package 'com.mwm.internews'

i been searching on many questions , followed solution steps posted each one.... no success. doing wrong??? missing on xml file???


in advance helping me problem....

i have added external jar path:

\extras\android\support\v7\gridlayout

to project properties: project->properties->java build path->libraries tab. , also, in same properties window in "order , export" tab, marked box of imported jar on list.

none of correct.

first, never add jar way in eclipse android project, jar. jars copied libs/ on eclipse.

however, gridlayout-v7 android library project, not jar. there separate set of instructions adding android library project application project.


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