1. Accessing Widget
By
Durai. S
duraisy2k@gmail.com

2. XML File

3. Generated File

4. JAVA File
● Map a Widget in Java:
Class ob=(Class)findViewById(id name in xml);
ex: Button btn=(Button)findViewById(R.id.btn);
● Toast:
Notify some information to User
Syntax:
Toast.makeText(Context(), Text, duration).show();
Context() --> current class
Text --> Message to display
Duration --> duration to display
LENGTH_LONG,LENGTH_SHORT

5. JAVA File

6. Output

7. Create a EditText

8. Set data in EditText

9. Output