In your XML:
<EditText
android:id="@+id/username"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_centerHorizontal="true"
android:hint="Fetch the Value"
/>
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/username"
android:layout_centerHorizontal="true"
android:textStyle="bold"
android:text="Click" />
(@+id/username)This is the id of the text box. Read this fully to declare id in XML layout.
In your Activity:
//To declare your EditText
EditText fetch;
String fetchValue;
Button clickBtn;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.your_layout);
//binding editbox id with your activity
fetch=(EditText)findViewById(R.id.username);
//to get the value from the textbox
fetchValue=fetch.getText().toString();
clickBtn=(Button)findViewById(R.id.button1);
clickBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(getApplicationContext(),fetchValue, Toast.LENGTH_LONG).show();
}
});
}
Read more about Toast.
