Attr Custom Properties in Android

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     Xmlns:wen=http://schemas.android.com/apk/res/com.iteye.googlers    android:orientation ="vertical" android:layout_width="fill_parent"     android:layout_height="wrap_content">

The second line is a custom label. Format as above, where the "Xmlns:wen" Colon is followed by a label name, when used below (only available for the current file)

 <textview Wen: property name/> "Com.iteye.googlers" is your project package name. 

1. Reference: Refer to a resource ID.     (1) attribute definitions:            <declare-styleable name = "Name" >                   <attr name = "Background" format = "Reference"/>    &NBSP ;       </declare-styleable>    (2) properties using:            <imagev iew                     android:layout_width = "42dip"                      android:layout_height = "42dip"                      android:background = "@drawable/image ID"           &N Bsp         &NBSP;/&GT;&NBSP;2. Color: Colour value.     (1) attribute definitions:            <declare-styleable name = "Name" >                   <attr NamE = "TextColor" format = "color"/>            </declare-styleable>    (2 ) Properties using:            <TextView                     android:layout_width = "42dip"                      an Droid:layout_height = "42dip"                      android:textcolor = "#00FF00"                      />  3. Boolean: Boolean value.     (1) attribute definitions:            <declare-styleable name = "Name" >                <attr name = "focusable" format = "boolean"/>            </declare-styleable>    (2) properties using:            <Button                   android:layout_width = "42dip"                   and Nbsp;android:layout_height = "42dip"                   &NBSP;ANDROID:FOCUSABL E = "true"                    /> 4. Dimension: Dimension value.       (1) attribute definitions:             <declare-styleable name = "Name" >  &N Bsp                <attr name = "layout_width" format = "Dimension"/>  &NB Sp         </declare-styleable>    (2) properties using:            < button                   android:layout_width = "42dip"     &NB Sp              android:layout_height = ' 42dip '             & nbsp    />&Nbsp; 5. float: floating-point value.     (1) attribute definitions:            <declare-styleable name = "Alphaanimation" >  &n Bsp                <attr name = "Fromalpha" format = "float"/>    &NB Sp              <attr name = "Toalpha" format = "float"/>      &NBSP ;     </declare-styleable>    (2) attribute use:            <alpha  nbsp                android:fromalpha = "1.0"                    android:toalpha = ' 0.7 '                   &NBSP;/&G T; 6. Integer: Integer value.     (1) attribute definitions:            <declare-styleable name = "Animatedrotatedrawable" >                   &NBSP;&LT;ATTR name = "Visible"/>                   <attr name = "Frameduration" forma t= "integer"/>                   <attr name = "Framescount" format = "integer"/>                   <attr name = "Pivotx"/>                   <attr name = "Pivoty"/>        &N Bsp          <attr name = "drawable"/>            &LT;/DECLARE-S tyleable>    (2) properties using:            <animated-rotate      &NBSP ;            xmlns:android = "Http://schemas.android.com/apk/res/android"                     android:drawable = "@drawable/image ID"      &NBS P       &nbsp      android:pivotx = "50%"                    &NBSP;ANDR Oid:pivoty = "50%"                     android:framescount = "12" & nbsp;                   android:frameduration = "+"     &NBSP ;              /> 7. String: Strings.     (1) attribute definitions:            <declare-styleable name = "Mapview" >    &N Bsp              <attr name = "ApiKey" format = "string"/>      &NBSP ;     </declare-styleable>    (2) properties using:            < com.google.android.maps.mapview                    Android:layout_ width = "Fill_parent"                 &nbsp   Android:layout_height = "fill_parent"                     Android: ApiKey = "0jokq80od1jl9c6haja99ugxcris2cgjko_bc_g"                    /& Gt; 8. Fraction: percentage.       (1) attribute definitions:            <declare-styleable name= "rotatedrawable" >& nbsp                  <attr name = "visible"/>        & nbsp          <attr name = "fromdegrees" format = "float"/>          & nbsp        <attr name = "todegrees" format = "float"/>            &NB Sp      <attr name = "Pivotx" format = "fraction"/>              &NB Sp    <attr name = "Pivoty" format = "fraction"/>        &NBsp          <attr name = "drawable"/>            &LT;/DECLARE-S tyleable>     (2) properties using:            <rotate        &N Bsp        xmlns:android = "http://schemas.android.com/apk/res/android"         &NBS P     Android:interpolator = "@anim/animation ID"                 &NBSP;ANDROID:FRO Mdegrees = "0"               android:todegrees = "Up"         &NBS P        android:pivotx = ' 200% '                 &NBSP;ANDROID:PI Voty = "300%"               android:duration = "we"         &NBSP ;        android:repeatmode = ' restart '                  and Roid:rePeatcount = "Infinite"                /> 9. Enum: enumeration value.     (1) attribute definitions:            <declare-styleable name= "name" >      &N Bsp            <attr name= "orientation" >              and nbsp           <enum name= "horizontal" value= "0"/>            &NB Sp             <enum name= "vertical" value= "1"/>          &NBSP ;        </attr>                      &NBSP ; </declare-styleable>    (2) properties using:            <LinearLayout                    xmlns:android = "Http://schemas.android.com/apk/res/android" & nbsp                   android:orientation = "vertical"               &NBSP ;     Android:layout_width = "fill_parent"                     (AN) Droid:layout_height = "Fill_parent"                     >            &LT;/LINEARLAYOUT&GT;&NBSP;10. Flag: Bit or operation.       (1) attribute definitions:             <declare-styleable name= "name" >  & nbsp                 <attr name= "Windowsoftinputmode" >                            <flag name = "Stateunspecified" value = "0"/&gt ;                            <flag name = "Stateu Nchanged "value =" 1 "/>            &NBsp               <flag name = "Statehidden" value = "2"/>      &NBSP ;                     <flag name = "Statealwayshidden" value = "3"/&gt ;                            <flag name = "Statev Isible "value =" 4 "/>                            <flag name = "Statealwaysvisible" value = "5"/>                  &NBS P         <flag name = "Adjustunspecified" value = "0x00"/>          &NB Sp                 <flag name = "Adjustresize" value = "0x10"/>    & nbsp                       <flag name = "Adjustpan" value = "0x20"/& gt;&nbsp                           <flag name = "Adjustnothing" Value = "0x30"/>                     </attr>   &NBS P                  </declare-styleable> (2) Properties using:

<Activity Android:name=". Styleandthemeactivity"Android:label="@string/app_name"Android:windowsoftinputmode="stateunspecified | stateunchanged | Statehidden"> <intent-filter> <action android:name ="Android.intent.action.MAIN"/> <category android:name ="Android.intent.category.LAUNCHER"/> </intent-filter> </activity>

Note: You can specify multiple types of values when you define a property. (1) Property Definition: <declare-styleable name = "name" > <attr name = "Background" format = "Referen Ce|color "/> </declare-styleable> (2) Property usage: <imageview android:la Yout_width = "42dip" android:layout_height = "42dip" Android:background = "@drawab le/picture id| #00FF00 "/>

Attr Custom Properties in Android