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POBlock layout pass programmatically?
 

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  1. POBlock layout pass programmatically?
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    <p>This is my View Hierarchy:</p> <p>-RelativeLayout [rootView] (root)</p> <ul> <li><p>LinearLayout [menu_holder] (menu fragment layout)</p></li> <li><p>RelativeLayout [app_holder] (app content layout)</p> <ul> <li><p>Action Bar (custom view to implement ActionBar &lt; 2.1</p></li> <li><p>FrameLayout [content_fragment] (layout to load content fragment)</p></li> <li><p>FloatingMenu (custom LinearLayout to show a floating widget)</p></li> </ul></li> </ul> <pre><code>&lt;com.example.app.views.widgets.RootLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drag_layout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/white" &gt; &lt;LinearLayout android:id="@+id/menu_holder" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/red" android:orientation="vertical" /&gt; &lt;com.example.app.views.widgets.AppHolder android:id="@+id/app_holder" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="@color/gray" &gt; &lt;com.example.app.widgets.ActionBar android:id="@+id/action_bar" android:layout_width="fill_parent" android:layout_height="wrap_content" /&gt; &lt;FrameLayout android:id="@+id/content_holder" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_below="@+id/action_bar" android:background="@drawable/backrepeat" &gt; &lt;/FrameLayout&gt; &lt;com.example.app.widgets.FloatingMenu android:id="@+id/floating_menu" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_alignParentRight="true" android:padding="15dp" android:visibility="gone" /&gt; &lt;/com.example.app.views.widgets.AppHolder&gt; &lt;/com.example.app.views.widgets.RootLayout&gt; </code></pre> <p>Now I load both menu_holder &amp; app_holder into the rootView, such that app_holder stays on top. Now when the user presses MENU button, app_holder slides towards right to show the underlying menu fragment on the left, like in the picture below:</p> <p><img src="https://i.stack.imgur.com/1esP6.png" alt="enter image description here"></p> <p>I have used a <a href="http://developer.android.com/reference/android/widget/Scroller.html" rel="nofollow noreferrer">scroller</a> inside a runnable to slide app_holder towards right. I also call invalidate() every 16ms on the rootView after offsetting my app_holder. </p> <p>Its working fine, but problem comes when any content gets loaded in the content_fragment (visibility set or loaded from web), when the menu fragment is visible. The invalidated view (out of bounds) calls requestLayout() and the following layout call resets the app_holder to its initial position. I have implemented lazy loading listviews on my content_fragment, so any update on the listview (notifyDataSetChanged etc.) initiates a relayout call. </p> <p>How to stop this from occurring ? </p> <p>Overriding and commenting requestLayout() on all dynamically loaded views on the right will fix the issue, but is there any other proper way ? </p>
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    1. UShimanshurb
    1. UShimanshurb
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      1. USChirag Raval
 

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