MainActivity
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends AppCompatActivity implements View.OnClickListener{
EditText etNombre;
Button btnEnviar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
etNombre=(EditText)findViewById(R.id.etNombre);
btnEnviar=(Button)findViewById(R.id.btnEnviar);
btnEnviar.setOnClickListener(this);
}
@Override
public void onClick(View v) {
Intent intent = new Intent(this,Activity2.class);
intent.putExtra("nombre",etNombre.getText().toString());
startActivity(intent);
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?><android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="ticoticotaa.es.pasardatosactivity.MainActivity">
<TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/tvNombre" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintHorizontal_bias="0.051" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" app:layout_constraintVertical_bias="0.067" />
<EditText android:id="@+id/etNombre" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginStart="132dp" android:layout_marginTop="24dp" android:ems="10" android:hint="@string/etNombre" android:inputType="textPersonName" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />
<Button android:id="@+id/btnEnviar" android:layout_width="92dp" android:layout_height="wrap_content" android:layout_marginStart="132dp" android:layout_marginTop="164dp" android:text="@string/btnEnviar" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
Activity2
package ticoticotaa.es.pasardatosactivity; import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class Activity2 extends AppCompatActivity { TextView tvSaludo; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_2); tvSaludo=(TextView)findViewById(R.id.tvSaludo); Intent intent = getIntent(); Bundle extras = intent.getExtras(); if(extras!=null){ String Nombre = (String)extras.get("nombre"); tvSaludo.setText("Hola "+Nombre); } } }
activity_2.xml
<?xml version="1.0" encoding="utf-8"?><android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="ticoticotaa.es.pasardatosactivity.Activity2"> <TextView android:id="@+id/tvSaludo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="" tools:layout_editor_absoluteX="163dp" tools:layout_editor_absoluteY="177dp" /> </android.support.constraint.ConstraintLayout>
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