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We can adjust the length of the text view. Step 4) Now to add these numbers and to display the message, we can display a message by these plain text views or any other text views from here. Whatever text you write here will be provided as a hint. The hints we assign will appear on our text boxes but it will not appear as a text, it will appear as a hint. So there's a property called hint and here we can provide the hint to the user that what he’s expected to enter here. Step 3) Now to show this number text or edit we can provide the hint to this text box so for that you just select this edit text and go to the property called a hint. For example, this Edit Text id 1 is the id of the first number text and Edit Text id 2 is the id of the second added text. Id is the unique id which differentiates one phone from another. Step 2) You can double-click the text box and add the text to this text field but right now text field is not required because we are not going to display any text on these text boxes but you the id is important.
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Step 1) First, go to the text field here and select the number fields for adding two numbers. Please follow the steps below for creating an Android app to add two numbers: In order to develop an Android App for adding two numbers first, the thing we have to do is take two inputs numbers from the user and by clicking SUM buttons which will add these two numbers. Basic Android Application to Calculate the Sum of Two Numbers