com.google.appinventor.components.runtime.util

Class TimerInternal

java.lang.Object

com.google.appinventor.components.runtime.util.TimerInternal

All Implemented Interfaces:

java.lang.Runnable

public final class TimerInternal
extends java.lang.Object
implements java.lang.Runnable

Helper class for components containing timers, such as Timer and Sprite.

Constructor Summary

Constructors

Constructor and Description
TimerInternal(AlarmHandler component, boolean enabled, int interval) Timer constructor
TimerInternal(AlarmHandler component, boolean enabled, int interval, android.os.Handler handler) Timer constructor allowing injection of a mock Handler for test purposes

Method Summary

Methods

Modifier and Type	Method and Description
boolean	Enabled() Enabled property getter method.
void	Enabled(boolean enabled) Enabled property setter method: starts or stops the timer.
int	Interval() Interval getter.
void	Interval(int interval) Interval property setter method: sets the interval between timer events.
void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimerInternal

public TimerInternal(AlarmHandler component,
             boolean enabled,
             int interval)

Timer constructor

Parameters:

component - the component whose AlarmHandler.alarm() method should be called on timer intervals

enabled - whether it is initially enabled

interval - time in ms

TimerInternal

public TimerInternal(AlarmHandler component,
             boolean enabled,
             int interval,
             android.os.Handler handler)

Timer constructor allowing injection of a mock Handler for test purposes

Parameters:

component - the component whose AlarmHandler.alarm() method should be called on timer intervals

enabled - whether it is initially enabled

interval - time in ms

handler - the handler whose Handler.postDelayed(Runnable, long) method is called to request calls of this after the delay specified via Interval(int)

Method Detail

Interval

public int Interval()

Interval getter.

Returns:

timer interval in ms

Interval

public void Interval(int interval)

Interval property setter method: sets the interval between timer events.

Parameters:

interval - timer interval in ms

Enabled

public boolean Enabled()

Enabled property getter method.

Returns:

true indicates a running timer, false a stopped timer

Enabled

public void Enabled(boolean enabled)

Enabled property setter method: starts or stops the timer.

Parameters:

enabled - true starts the timer, false stops it

run

public void run()

Specified by:

run in interface java.lang.Runnable