Android GridLayout fit for all size -


i'm porting ios app on android can't fit simple layout sizes:

the problem imagebuttons don't scale. layout fit glove nexus 4

i put images in drawable-mdpi

gridlayout must table webview span 3 columns on top , 3x3 button images

<?xml version="1.0" encoding="utf-8"?> <gridlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" android:scaletype="center" android:usedefaultmargins="true" >  <webview     android:id="@+id/userwebview"      android:layout_height="120dp"     android:layout_column="1"     android:layout_columnspan="3"     android:layout_gravity="fill_horizontal"     android:layout_row="0" />  <imagebutton     android:id="@+id/btn1"     android:layout_column="0"     android:layout_columnspan="2"     android:layout_row="1"     android:background="@drawable/box_1"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn2"     android:layout_column="2"     android:layout_row="1"     android:background="@drawable/box_2"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn3"     android:layout_width="wrap_content"     android:layout_column="3"     android:layout_row="1"     android:background="@drawable/box_3"     android:scaletype="center" />  <imagebutton     android:id="@+id/btn4"     android:layout_column="0"     android:layout_columnspan="2"     android:layout_row="3"     android:layout_rowspan="2"     android:background="@drawable/box_4"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn5"     android:layout_column="2"     android:layout_row="4"     android:background="@drawable/box_5"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn6"     android:layout_width="wrap_content"     android:layout_column="3"     android:layout_row="4"     android:background="@drawable/box_6"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn7"     android:layout_column="0"     android:layout_columnspan="2"     android:layout_row="6"     android:layout_rowspan="2"     android:background="@drawable/box_7"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn8"     android:layout_column="2"     android:layout_gravity="left|bottom"     android:layout_row="7"     android:background="@drawable/box_8"     android:scaletype="fitcenter" />  <imagebutton     android:id="@+id/btn9"     android:layout_column="3"     android:layout_row="7"     android:background="@drawable/box_9"     android:scaletype="fitcenter" />  </gridlayout>

don't put images in drawable-mdpi, put convenient ones other co-drawable folders drawable-hdpi, drawable-xhdpi etc. or create new folder named drawable, no prefix or suffix, , put images it


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