// ReadFromFile Example
// Source code file: ActivityMain.java
// Read lines from the mnemonic.txt file and
// display them in the txtDisplay TextView object.

package it372.readfromfile;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import java.io.InputStream;
import java.util.Scanner;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        String output = "";

        // Obtain TextView object
        TextView txtDisplay = (TextView)
                findViewById(R.id.txt_display);

        // Input file mnemonic.txt is located in the app/src/main/res/raw folder.
        InputStream is = getResources( ).openRawResource(R.raw.mnemonic);
        Scanner scanner = new Scanner(is);
        while(scanner.hasNextLine( )) {
            output += scanner.nextLine( ) + "\n";
        }

        // Display output
        txtDisplay.setText(output);
    }
}