Android – Set text to TextView

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In your layout XML:

<TextView
        android:id="@+id/myAwesomeTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:text="Escriba el mensaje y luego clickee el canal a ser enviado"
        android:textSize="20sp" />

Then, in your activity class:

// globally 
TextView myAwesomeTextView = (TextView)findViewById(R.id.myAwesomeTextView);

//in your OnCreate() method
myAwesomeTextView.setText("My Awesome Text");

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