Prof_Carvalho

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Nov 17th, 2019
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Java 0.80 KB | None | 0 0
  1. package com.example.murilo.exercicio_erro_inicializacao_java_ecm251;
  2. import android.app.Activity;
  3. import android.os.Bundle;
  4. import android.view.View;
  5. import android.widget.EditText;
  6. import android.widget.TextView;
  7. import com.example.murilo.exercicio_erro_inicializacao_java_ecm251.R;
  8.  
  9. public class MainActivity extends Activity {
  10.     @Override
  11.     protected void onCreate(Bundle savedInstanceState) {
  12.         super.onCreate(savedInstanceState);
  13.         setContentView(R.layout.activity_main);
  14.         TextView tv;
  15.         tv.setText("Ola Mundo!");
  16.     }
  17.     public void clicado(View view) {
  18.         EditText etNome = (EditText) findViewById(R.id.etNome);
  19.         TextView tvDados = (TextView) findViewById(R.id.tvTexto);
  20.         tvDados.setText(etNome.getText().toString() + " bem vindo!");
  21.     }
  22. }
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