The value that the format option can take when Android custom properties

1. Reference: Refer to a resource ID.

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr format= "Reference" name= "background"/>
3. </declare-styleable>

(2) attribute use:

1. <imageview
2. Android:layout_width= "42dip"
3. android:layout_height= "42dip"
4. android:background= "@drawable/Picture id"/>

2. Color: Colour value.

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr format= "Color" name= "TextColor"/>
3. </declare-styleable>

(2) attribute use:

1. <textview
2. Android:layout_width= "42dip"
3. android:layout_height= "42dip"
4. Android:textcolor= "#00FF00"/>

3. Boolean: Boolean value.

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr format= "boolean" name= "Focusable"/>
3. </declare-styleable>

(2) attribute use:

1. <button
2. Android:layout_width= "42dip"
3. android:layout_height= "42dip"
4. Android:focusable= "true"/>

4. Dimension: Dimension value.

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr format= "Dimension" Name= "Layout_width"/>
3. </declare-styleable>

(2) attribute use:

1. <button
2. Android:layout_width= "42dip"
3. android:layout_height= "42dip"/>

5. Float: floating-point value.

(1) Attribute definition:

1. <declare-styleable name= "Alphaanimation" >
2. <attr format= "float" name= "Fromalpha"/>
3. <attr format= "float" name= "Toalpha"/>
4. </declare-styleable>

(2) attribute use:

1. <alpha
2. Android:fromalpha= "1.0"
3. Android:toalpha= "0.7"/>

6. Integer: Integer value.

(1) Attribute definition:

1. <declare-styleable name= "Animatedrotatedrawable" >
2. <attr format= "integer" name= "Frameduration"/>
3. <attr format= "integer" name= "Framescount"/>
4. </declare-styleable>

(2) attribute use:

1. <animated-rotate
2. android:frameduration= "100"
3. Android:framescount= "12"
4. />

7. String: Strings.

(1) Attribute definition:

1. <declare-styleable name= "Mapview" >
2. <attr format= "string" name= "ApiKey"/>
3. </declare-styleable>

(2) attribute use:

1. <com.google.android.maps.mapview
2. Android:layout_width= "Fill_parent"
3. android:layout_height= "Fill_parent"
4. android:apikey= "0jokq80od1jl9c6haja99ugxcris2cgjko_bc_g"/>

8. Fraction: percentage.

(1) Attribute definition:

1. <declare-styleable name= "Rotatedrawable" >
2. <attr format= "fraction" name= "Pivotx"/>
3. <attr format= "fraction" name= "Pivoty"/>
4. </declare-styleable>

(2) attribute use:

1. <rotate
2. android:pivotx= "200%"
3. Android:pivoty= "300%"
4. />

9. Enum: enumeration value.

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr name= "Orientation" >
3. <enum name= "Horizontal" value= "0"/>
4. <enum name= "Vertical" value= "1"/>
5. </attr>
6. </declare-styleable>

(2) attribute use:

1. <linearlayout
2. android:orientation= "Vertical" >
3. </LinearLayout>

Flag: Bit or operation.

(1) Attribute definition:

2. <declare-styleable name= "Name" >
4. <attr name= "Windowsoftinputmode" >
6. <flag name= "stateunspecified" value= "0"/>
8. <flag name= "stateunchanged" value= "1"/>
10. <flag name= "Statehidden" value= "2"/>
12. <flag name= "Statealwayshidden" value= "3"/>
14. <flag name= "statevisible" value= "4"/>
16. <flag name= "statealwaysvisible" value= "5"/>
18. <flag name= "adjustunspecified" value= "0x00"/>
20. <flag name= "adjustresize" value= "0x10"/>
22. <flag name= "Adjustpan" value= "0x20"/>
24. <flag name= "adjustnothing" value= "0x30"/>
26. </attr>
28. </declare-styleable>

(2) attribute use:

1. <activity
2. Android:windowsoftinputmode= "Stateunspecified |　stateunchanged | Statehidden ">
3. </activity>

Note: You can specify multiple types of values when you define a property:

(1) Attribute definition:

1. <declare-styleable name= "Name" >
2. <attr format= "Reference|color" name= "Background"/>
3. </declare-styleable>

(2) attribute use:

1. <imageview
2. Android:layout_width= "42dip"
3. android:layout_height= "42dip"
4. android:background= "@drawable/Picture id| #00FF00"/>

The value that the format option can take when Android custom properties