Develop Reference

Spinner opens from top and not from bottom

[You can perfectly see the problem here, the drop downlist opens from the top of the spinner and not from the bottom and I don't know what to do, couldn't find any solution on google either, please help me] sorry for external image link, for some reason it wont load the picture here..
here is my spinner code:
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#id/rgGender"
android:entries="#array/months_array"
android:textAlignment="center"
android:id="#+id/spMonth"
style="#style/Base.Widget.AppCompat.Spinner.Underlined"/>

This would happen if the item which inflates the spinner is close to the bottom of the screen.
Since the spinner would not have enough room (or just barely enough room) if inflated downward, it is inflated upward instead. Try putting the spinner higher (vertically) in the layout.
It depends on Screen size, If you test it on other device it will show at down/up.
I suggest you to test it on different devices.
you can use custome adapter if you want
<Spinner
...
android:overlapAnchor="false" />
Please check this answer and this answer

Android Appcompat v21 - use old spinner style

I am using appcompat v21 in a project, but I do not like the new spinner it comes with by default. This new spinner comes only with a small downward-facing arrow that indicates it presence. I would prefer the old spinner used in 4.x versions of android which come with an EditText-like feature underlining the widget's content and an arrow in the bottom right corner.
How can I achieve this spinner style while still using appcompat v21?
The udesired spinner style:
photo of undesired spinner:
photo of desired spinner:

You can simply set the Style of the Spinner to Widget.Holo.Light.Spinner
Example
<Spinner
android:id="#+id/spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
style="#android:style/Widget.Holo.Light.Spinner" />
This will give you the old Spinner-Style back though there are two drawbacks:
This solution only works with API-Level 14 and up (no that big of a deal)
The appearance of the DropDown Popup-Window is managed by the "framework" - this means on pre Lollipop devices the Popup-Window will appear below the Spinner. Starting with Lollipop it'll be above the Spinner (afaik there's no way to change this). With regard to this see the following comparison (on the left pre Lollipop)
If you wish to customize the rows of the DropDown you can do so by calling setDropDownViewResource(int) on the adapter of the Spinner with the reference to your own layout.

<Spinner
android:id="#+id/spinner_nav"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:spinnerMode="dropdown"
android:overlapAnchor="false"
style="#style/Platform.Widget.AppCompat.Spinner"/>

Different layout in android

I don't know whether this question has been asked or not but I cannot find the answer so here I ask it.
In my android app, I want to create a spinner. But the spinner in my layout is terribly ugly.
This image is my layout. Note the yellow part marks the spinner layout in my layout.
And this one is the layout of an online spinner example
I want my spinner style look like in the second image. I tried to copy all the code in xml file. but there is no changes in the style of the spinner.
Anyone know how to have spinner style look the same as in the second image?
UPDATE: when I click on the spinner in the second layout, it shows me a list like this(note the points on the right side of the list)
while my spinner can only show a normal list (have no points on the right side)
I want my spinner can shows the same as that.

if you just want to have the spinner to be "holofied" you can do this:
<Spinner
android:id="#+id/spinnermap"
style="#style/MySpinnerStyle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true" />
values/styles.xml:
<style name="MySpinnerStyle" parent="android:Widget.Spinner">
</style>

set below attr for your spinner
android:spinnerMode="dropdown"
but it work for newer android version for older you can use support library or using IcsSpinner

Long text goes to next line on ICS, but not on GB and below

The first time I noticed this was with AlertDialogs putting the entire message on the first line, even when I specified a new line("\n"). On ICS it displays the correct way, but for the life of me, I couldn't get it to work on GB.
Recently I've run into it again. I don't see any reason for it working fine on ICS but not GB and below.
EXAMPLE Project
Heres an example project with a textview, alertdialog, and two standard textviews.
https://github.com/T3hh4xx0r/Text-Example
EDIT
Heres the original question I asked. Seems the problem is more than I originally noticed though.
Android AlertDialog not displaying entire setMessage on certain devices
/EDIT
Here are visual examples of what I mean.
Even specifically setting multiple lines for the textView, the text is still one line, but with extra blank lines below.

Here is the layout that the alertdialog is using to create your view:
<!--
This layout file is used by the AlertDialog when displaying a list of items.
This layout file is inflated and used as the TextView to display individual
items.
-->
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#android:id/text1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:minHeight="?android:attr/listPreferredItemHeight"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#android:color/primary_text_light_disable_only"
android:gravity="center_vertical"
android:paddingLeft="14dip"
android:paddingRight="15dip"
android:ellipsize="marquee"
/>
As you can see the ellipsize is set to marquee, so I don't believe it was ever written with the intention to allow multilines.
There is a bug open at the moment that ellipse dots are never shown: http://code.google.com/p/android/issues/detail?id=10554
Therefore it is acting correctly.
If you want it to go onto multiple lines, create your own layout file and pass that to your dialog, that way you have more control anyway.

Using NumberPicker in Android 3

I'm trying to use the NumberPicker widget in Android 3.1. I figure it is now a standard widget, part of a public API, and not an internal widget anymore.
However, it doesn't work. I can see a textEdit with "0" in it, but there are no buttons, I can't scroll it, and I can't enter a new number with keyboard, either.
Update:
Here's the xml I used for testing:
<NumberPicker
android:id="#+id/numberPicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
By saying doesn't work I mean this: it doesn't have arrows displayed (see the screenshot), and on emulator the keyboard doesn't show up. On a real device it does, but I can't type in the text, I can only erase it.
Any suggestions? I really hate to write my own widget when there is a standard one.

Try to set the values that are possible in the NumberPicker via
setMaxValue setMinValue or setDisplayedValues
maybe the NumberPicker is not working if it doesn't know which values to display.