App Inventor You are going to use App Inventor to make an application for your phone Smart Phone ‘s can hold many entertaining apps due to the amount of sensors built into the phone

App Inventor

Disadvantage of using it Name of sensor What it is used for Advantage of using it Disadvantage of using it Touch screen Means you can control the screen with your finger or pen type instrument Intuitive to use. Quicker to access information when using this type of device Need a conductive and resistive layer under the screen which means only 75% of the screen light will get through TYPE_AMBIENT_TEMPERATURE Means you can measure the temperature of the room Can tell you to when to turn the heating up or down. Can prevent hypothermia It may give you alerts when you don’t want them. TYPE_GYROSCOPE Means you can tilt your screen. It does it automatically You don’t have to turn around manually, it does it on its own It can get annoying when you don’t it to turn round and it does TYPE_PROXIMITY Means the phone can tell whether you are holding it to your ear. It can increase or decrease the sound, depending on the phones position It may not be as accurate as you want TYPE_TEMPERATURE A sort of better version of the type ambient temperature TYPE_ACCELEROMETER It can detect whether the phone is being tilted or shaked It can measure the force you’re applying to the phone It may measure the force when you don’t want it to TYPE_LIGHT It measures the light or brightness on the screen depending on where you are Allows you to control the screen brightness May automatically reduce the brightness when you don’t want it to

Disadvantages of using it Type of relative humidity Type orientation Name of Sensor What it is used for Advantages of using it Disadvantages of using it Type of relative humidity It measures the average humidity in the room Allows you to monitor the humidity in the room It can be too weak and not always accurate Type orientation Allows you to move your screen around It can help you flick your screen around It may do it when you don’t want it to Type pressure It measures ambient pressure in a place It monitors air pressure changes It is quite unnecessary