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Summary: Methods | Inherited Methods

FractionPrecision

public abstract class FractionPrecision
extends Precision

java.lang.Object
↳	android.icu.number.Precision
	↳	android.icu.number.FractionPrecision

A class that defines a rounding strategy based on a number of fraction places and optionally significant digits to be used when formatting numbers in NumberFormatter.

To create a FractionPrecision, use one of the factory methods on Precision.

See also:

NumberFormatter

Summary

Public methods
`Precision`	`withMaxDigits(int maxSignificantDigits)` Ensure that no more than this number of significant digits are retained when rounding according to fraction rules.
`Precision`	`withMinDigits(int minSignificantDigits)` Ensure that no less than this number of significant digits are retained when rounding according to fraction rules.

Inherited methods

From class


        
          android.icu.number.Precision

`static CurrencyPrecision`	`currency(Currency.CurrencyUsage currencyUsage)` Show numbers rounded and padded according to the rules for the currency unit.
`static FractionPrecision`	`fixedFraction(int minMaxFractionPlaces)` Show numbers rounded if necessary to a certain number of fraction places (numerals after the decimal separator).
`static Precision`	`fixedSignificantDigits(int minMaxSignificantDigits)` Show numbers rounded if necessary to a certain number of significant digits or significant figures.
`static Precision`	`increment(BigDecimal roundingIncrement)` Show numbers rounded if necessary to the closest multiple of a certain rounding increment.
`static FractionPrecision`	`integer()` Show numbers rounded if necessary to the nearest integer.
`static FractionPrecision`	`maxFraction(int maxFractionPlaces)` Show numbers rounded if necessary to a certain number of fraction places (numerals after the decimal separator).
`static Precision`	`maxSignificantDigits(int maxSignificantDigits)` Show numbers rounded if necessary to a certain number of significant digits/figures.
`static FractionPrecision`	`minFraction(int minFractionPlaces)` Always show at least a certain number of fraction places after the decimal separator, padding with zeros if necessary.
`static FractionPrecision`	`minMaxFraction(int minFractionPlaces, int maxFractionPlaces)` Show numbers rounded if necessary to a certain number of fraction places (numerals after the decimal separator); in addition, always show at least a certain number of places after the decimal separator, padding with zeros if necessary.
`static Precision`	`minMaxSignificantDigits(int minSignificantDigits, int maxSignificantDigits)` Show numbers rounded if necessary to a certain number of significant digits/figures; in addition, always show at least a certain number of significant digits, padding with zeros if necessary.
`static Precision`	`minSignificantDigits(int minSignificantDigits)` Always show at least a certain number of significant digits/figures, padding with zeros if necessary.
`static Precision`	`unlimited()` Show all available digits to full precision.

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Public methods

withMaxDigits

public Precision withMaxDigits (int maxSignificantDigits)

Ensure that no more than this number of significant digits are retained when rounding according to fraction rules.

For example, with integer rounding, the number 123.4 becomes "123". However, with maximum figures set to 2, 123.4 becomes "120" instead.

This setting does not affect the number of trailing zeros. For example, with fixed fraction of 2, 123.4 would become "120.00".

Parameters
`maxSignificantDigits`	`int`: Round the number to no more than this number of significant figures.

Returns
`Precision`	A Precision for chaining or passing to the NumberFormatter rounding() setter.

Throws
`IllegalArgumentException`	if the input number is too big or smaller than 1.

See also:

NumberFormatter

withMinDigits

public Precision withMinDigits (int minSignificantDigits)

Ensure that no less than this number of significant digits are retained when rounding according to fraction rules.

For example, with integer rounding, the number 3.141 becomes "3". However, with minimum figures set to 2, 3.141 becomes "3.1" instead.

This setting does not affect the number of trailing zeros. For example, 3.01 would print as "3", not "3.0".

Parameters
`minSignificantDigits`	`int`: The number of significant figures to guarantee.

Returns
`Precision`	A Precision for chaining or passing to the NumberFormatter rounding() setter.

Throws
`IllegalArgumentException`	if the input number is too big or smaller than 1.

See also:

NumberFormatter

Classes

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FractionPrecision

Summary

Public methods

Inherited methods

Public methods

withMaxDigits

withMinDigits