Designing Android Application Calculate the ideal weight for height This application has 3 interfaces (activities) The First interface for Welcome has: 1- 2 Button 2- Button 1 go to the second interface application. 3- Button 2 go to the third interface about programmer. The second interface for Application has: Radio Button – To Choose Male or Female. Text views – To display final result. Edit texts – To get the input values for height in cm and weight KG. Button – To get the result when it’s clicked. To get the ideal weight Result for Male =height -100 To get the ideal weight Result for Female =height -110 If result = weight print normal If result > weight print Overweight If result < weight print underweight Hint: 1- All Action inside Button not inside Button Group 2- Use if Statement to Know what selected in Radio Button 3- Use this Statement Int selectedId =radioGroup.getCheckedRadioButtonId(); //save in selectedId the id of selected Radio button radioButton = findViewById(selectedId); if (selectedId == R.id.maleid) { } //use it to compare between selected and male Radiobutton if (selectedId == R.id.femaleid) { } //use it to compare between selected and female Radiobutton maleid and femaleid id of RadioButton you able to naming them as you like The Third interface for Application has: Text views – To display information about programmer (student).