4 Write an Android phone program such that three instances of EditText with respective texts "Input the first positive integer", "Input the second positive integer", and "Input the third positive integer", one instances of Button with text "Right Triangle?" and one instance of TextView are displayed vertically on the AVD. The users of your program will be asked to input a positive integer in the first instance of EditText, a positive integer in the second instance of EditText, and a positive integer in the third instance of EditText. When the users click the button instance, the answer (either "yes" or "no) for the question that the three input integers can the lengths of three edges of a right triangle will be displayed in the instance of TextView. In addition, if the answer is "yes", the area of the right triangle should also be displayed. oey are displayed vertically on The beginning of the program run is as follows. 115 Input the first positive integer Input the second positive integer Input the third positive integer Right Triangde? The answer is