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doc_React_Native
doc_React_Native


PixelRatio.get()

static get() Returns the device pixel density. Some examples: PixelRatio.get() === 1mdpi Android devices (160 dpi) PixelRatio.get() === 1.5hdpi Android devices (240 dpi) PixelRatio.get() === 2iPhone 4, 4S iPhone 5, 5c, 5s iPhone 6 xhdpi Android devices (320 dpi) PixelRatio.get() === 3iPhone 6 plus xxhdpi Android devices (480 dpi) PixelRatio.get() === 3.5Nexus 6

PickerIOS#selectedValue

selectedValue any

PickerIOS#onValueChange

onValueChange function

PickerIOS#itemStyle

itemStyle itemStylePropType

Picker#testID

testID string Used to locate this view in end-to-end tests.

Picker#style

style pickerStyleType

Picker#selectedValue

selectedValue any Value matching value of one of the items. Can be a string or an integer.

Picker#prompt

androidprompt string Prompt string for this picker, used on Android in dialog mode as the title of the dialog.

Picker#onValueChange

onValueChange function Callback for when an item is selected. This is called with the following parameters: - itemValue: the value prop of the item that was selected - itemPosition: the index of the selected item in this picker

Picker#mode

androidmode enum('dialog', 'dropdown') On Android, specifies how to display the selection items when the user taps on the picker: 'dialog': Show a modal dialog. This is the default. 'dropdown': Shows a dropdown anchored to the picker view

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