CodePudding user response:

CodePudding user response:

This is not very simple? Well, I am writing to you, you may be just starting,

 
Final TextView TextView=the findViewById (R.i which extView); 
The EditText EditText=the findViewById (R.i d.e ditText); 
The Button Button=the findViewById (R.i db utton); 

Final String edContent=editText. GetText (). The toString (). The trim (); 
Button. SetOnClickListener (new View. An OnClickListener () {
@ Override 
Public void onClick (View v) {
TextView. SetText (edContent); 
} 
});