public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Button button1 = (Button) findViewById(R.id.pairing);
button1.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
Toasttest TT = new Toasttest(getApplicationContext());
}
});
}
class Toasttest {
public void Toasttest(Context CT){
Toast.makeText(CT,"출력",Toast.LENGTH_LONG).show();
}
}
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