Simple Android Login Page
The blog post guides Android developers on creating a straightforward login page for their applications. It covers the essential components and layout structure required to design a login screen. The tutorial explains the usage of key XML elements such as ScrollView, LinearLayout, ImageView, TextInputLayout, EditText, Button, and TextView. Additionally, the post introduces the ButterKnife library, which simplifies the process of view binding in Android development. By following this tutorial, developers can learn how to create an aesthetically pleasing and functional login page while gaining insights into best practices for user interface design and view binding in Android applications.
The ScrollView is a layout container that allows scrolling when the content inside exceeds the screen height. In this case, it wraps around the entire layout and defines the background color as #b2ebf2 (light blue).
The LinearLayout is a vertical container that holds the login form elements. It has a width of match_parent, which means it will occupy the entire width of the screen. The paddingLeft, paddingTop, and paddingRight attributes add spacing around the elements inside.
🎯 ImageView and TextInput
The ImageView displays an image at the center of the layout. It has a height of 150dp and uses the ic_launcher image as the source. The layout_gravity attribute centers the image horizontally, and layout_marginBottom adds a margin at the bottom.
The rest of the XML code defines the email and password input fields, login button, and signup link. To explain each element in detail would be repetitive, as they follow a similar structure. However, it's worth mentioning that the TextInputLayout is used to wrap the EditText fields, providing additional features like the floating label effect and error handling.
🎯 Full Source for Login XML
This code snippet declares an activity called "Login" in the manifest file. The android:name attribute specifies the class name for the activity, which is .Login. The android:label attribute assigns a string resource to be used as the activity's label. The android:parentActivityName attribute defines the parent activity for this activity, which is .MainActivity. The android:theme attribute sets the theme for this activity to "AppTheme.NoActionBar," indicating that it does not have an action bar.
🎯 Bind to Java
To read values