Develop Reference

Android-Last item of the ListView is not visible

I have added the ListView inside ViewPager, as soon as the page is loaded the first tab is selected and the last item of the list does not show up for the first time, its becoming visible when I go to next tab and come back. I would like to see all the items of the listview when its loaded for the first time. Please help me to fix this problem.
This is the xml for the listview -
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="#+id/listview_categories"
android:layout_width="fill_parent"
android:divider="#color/light_gray_a1"
android:dividerHeight="0.667dp"
android:background="#color/white"
android:layout_height="fill_parent" />
</RelativeLayout>

add bottom padding like this and change fill_parent to match_parent
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ListView
android:id="#+id/listview_categories"
android:layout_width="match_parent"
android:divider="#color/light_gray_a1"
android:dividerHeight="0.667dp"
android:paddingBottom="40dp"
android:background="#color/white"
android:layout_height="match_parent" />
</RelativeLayout>

I had this issue. Just now I solved it. Look for android:layout_weight in all the Layouts you used and if it is set some non zero values like android:layout_weight="1" or android:layout_weight="0.91", then set them to zero like this,
android:layout_weight="0"

Changing size of layout from gmariotti cards lib

I am trying to set the card size smaller in my activity but not sure how because how it references it(card:card_layout_resourceID="#layout/card_thumbnail_layout").
So my question is how do I use this library but change the height of the below card?
Here is a card
<it.gmariotti.cardslib.library.view.CardView
android:id="#+id/carddemo"
android:layout_width="match_parent"
android:layout_height="wrap_content"
card:card_layout_resourceID="#layout/card_thumbnail_layout"
android:layout_below="#+id/currentTerm"
/>
#layout/card_thumbnail_layout:(cant edit this because its in the build folder)
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card="http://schemas.android.com/apk/res-auto"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<!-- Card visible layout -->
<LinearLayout
android:id="#+id/card_main_layout"
style="#style/card.main_layout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<!-- Compound view for Header Card
If you want to customize this element use attr card:card_header_layout_resourceID
You can also use your CardHeader subclass-->
<it.gmariotti.cardslib.library.view.component.CardHeaderView
style="#style/card.header_outer_layout"
android:id="#+id/card_header_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<LinearLayout
android:id="#+id/card_thumb_and_content_layout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<it.gmariotti.cardslib.library.view.component.CardThumbnailView
style="#style/card_thumbnail_outer_layout"
android:id="#+id/card_thumbnail_layout"
android:layout_width="wrap_content"
android:layout_height="match_parent"/>
<!-- Main Content View -->
<FrameLayout
android:id="#+id/card_main_content_layout"
style="#style/card.content_outer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
</LinearLayout>
<!-- Compound view for Shadow
If you want to customize this element use attr card:card_shadow_layout_resourceID -->
<it.gmariotti.cardslib.library.view.component.CardShadowView
style="#style/card.shadow_outer_layout"
android:id="#+id/card_shadow_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<!-- Expand layout. You can customize this element with your CardExpand class -->
<FrameLayout
android:id="#+id/card_content_expand_layout"
style="#style/card.main_contentExpand"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
</FrameLayout>
</LinearLayout>

The default card has a minimum height, as specified in the documentation.
Therefore you need to add:
<item name="android:minHeight">your_value_in_dp</item>
in
style name="card.content_outer_layout"
This approach ends in setting the minHeight of all cards. However, if you want to set a height to a specific card you could first build a custom card-layout and set android:adjustViewBounds="true" in your ImageView. For more details and other solutions, see this question.

Adding buttons below GraphView, all inside a Fragment

I have been trying to add Button's below a GraphView, and all these elements are part of a Fragment. Tried many approaches but none of them worked properly.
This is the layout file for the Fragment (fragment_graph.xml).
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.nma.util.sdcardtrac.GraphFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/graph_fragment_layout"
android:orientation="vertical"
/>
</FrameLayout>
And this is the Java code dynamically adding a graph and button, placed in the Fragment's onViewCreated (View view, Bundle savedInstanceState).
storageGraph = new LineGraphView(getActivity(), graphLabel);
storageGraph.addSeries(graphSeries); // More config calls follow
...
LinearLayout view = (LinearLayout)getView().findViewById(R.id.graph_fragment_layout);
Button button = new Button(getActivity());
button.setText("Test");
view.addView(storageGraph);
view.addView(button);
The Button is not visible though I have set orientation to vertical for the LinearLayout containing it.
EDIT - solved!
I found that nesting the graph under its own LinearLayout and the buttons under another LinearLayout, and both of these wrapped in a LinearLayout fixed the problem! The LinearLayout containing the graph must be weighted (I chose a weight of 0.8).
Layout file looks like:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.nma.util.sdcardtrac.GraphFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/graph_fragment_wrap"
android:orientation="vertical"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="0.8"
android:id="#+id/graph_fragment_layout"
android:orientation="vertical" />
<LinearLayout
android:id="#+id/graph_buttons"
android:orientation="horizontal"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_gravity="center_horizontal"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:src="#drawable/ic_navigation_previous_item"/>
<ImageButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/ic_navigation_next_item"/>
</LinearLayout>
</LinearLayout>
</FrameLayout>

I've just tried it and it works. Perhaps your graph is taking all the available space, so added button is below the screen? Try to wrap your LinearLayout into a ScrollView and see if there is a button in the bottom.

SlidingPaneLayout - faded views have strange background

I have problem with SlidingPaneLayout.
When I open menu (made with spl), all views (textviews, imageviews, etc.) look like these textviews on screenshot (they have strange color around text, 25th is ok - this one is green when visible):
How to fix this issue?

You just have to add the following line to your code:
mSlidingPane.setSliderFadeColor(getResources().getColor(android.R.color.transparent));
For more info see the docs

In addition to 'reVerse' answer:
set your custom color:
mSlidingPane.setSliderFadeColor(getResources().getColor(R.color.mycolor));
Important: Make sure that your slided layout has a background color (any color is okey).
This works:
<android.support.v4.widget.SlidingPaneLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/tools"
android:id="#+id/SlidingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="left">
<ScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingRight="10dp"
android:id = "#+id/drawerContainer"
android:orientation="vertical">
</LinearLayout>
</ScrollView>
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_gravity="right"
android:layout_height="match_parent"
android:background="#color/grey_light">
<!--- your content here -->
</RelativeLayout>
</android.support.v4.widget.SlidingPaneLayout>
To mimic the general grey background you can use:
<color name="grey_light">#fffafafa</color>

HorizontalScrollView and RTL

I am trying to use horizontalscrollview from Right to Left.
My targetSDK is 17.
I have inside the manifest
<application android:supportsRtl="true">
My layout is
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#id/lay_main_firma_outer"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1.0"
android:background="#color/bg_firma" >
<HorizontalScrollView
android:id="#id/lay_main_firma_hscroll"
android:fillViewport="true"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1.0" >
<LinearLayout
android:id="#id/lay_main_firma_objekti"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:orientation="horizontal"/>
</HorizontalScrollView>
I add objects at runtime to the linearlayout. At runtime I also set RTL with
private void rightToLeft_post17(HorizontalScrollView hscv){
hscv.setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
LinearLayout lay=(LinearLayout) hscv.findViewById(R.id.lay_main_firma_objekti);
if(lay!=null){
lay.setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
}
}
but it is not working.
Any idea what might be wrong?
Thanks

Try to invalidate your layout:
if(lay!=null){
lay.setLayoutDirection(View.LAYOUT_DIRECTION_RTL);
lay.invalidate();
}

First, hide your parent layout of horizontalscrollview before loading the items in horizontalscrollview.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#id/lay_main_firma_outer"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1.0"
android:setVisibility="gone"
android:background="#color/bg_firma" >
When the uploading gets done,then programatically make your linearlayout visible like this:
findViewById(R.id.lay_main_firma_outer).setVisibility(View.VISIBLE);