MainActivity.java

package id.indrasudirman.bahanujicoba;

import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.Gravity;
import android.view.View;
import android.widget.EditText;
import android.widget.ScrollView;


import java.util.ArrayList;




import io.github.douglasjunior.androidSimpleTooltip.SimpleTooltip;

public class MainActivity extends AppCompatActivity {

    private Rot13 rot13;

    final String answerQuestion1 = "ngr";
    final String answerQuestion2 = "ivfvgrq";
    final String answerQuestion3 = "yvirq";


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

        assert getSupportActionBar() != null;
        getSupportActionBar().setTitle("Simple Past Tense, Test 1");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        ScrollView scrollable_contents = findViewById(R.id.scrollableContents);
        getLayoutInflater().inflate(R.layout.activity_main, scrollable_contents);

    }

    public void toolTips(final View view) {
        if (view.getId() == R.id.tooltip_simple_past_test1) {
            new SimpleTooltip.Builder(this)
                    .anchorView(view)
                    .text("Bentuk Irregular verbs")
                    .gravity(Gravity.BOTTOM)
                    .animated(true)
                    .build()
                    .show();
        } else if (view.getId() == R.id.tooltip_simple_past_test2) {
            new SimpleTooltip.Builder(this)
                    .anchorView(view)
                    .text("Bentuk Regular verbs")
                    .gravity(Gravity.BOTTOM)
                    .animated(true)
                    .build()
                    .show();
        } else if (view.getId() == R.id.tooltip_simple_past_test3) {
            new SimpleTooltip.Builder(this)
                    .anchorView(view)
                    .text("Bentuk Regular verbs")
                    .gravity(Gravity.BOTTOM)
                    .animated(true)
                    .build()
                    .show();
        }
    }


    public void checkAnswer(View view) {
        ArrayList<String> incorrectAnswerList = new ArrayList<String>();

        int numberOfQuestionCorrect = 0;

        if (checkQuestion1()) {
            numberOfQuestionCorrect++;
        } else {
            incorrectAnswerList.add("Soal No 1");
        }

        if (checkQuestion2()) {
            numberOfQuestionCorrect++;
        } else {
            incorrectAnswerList.add("Soal No 2");
        }

        if (checkQuestion3()) {
            numberOfQuestionCorrect++;
        } else {
            incorrectAnswerList.add("Soal No 3");
        }

        if (numberOfQuestionCorrect == 3) {
            AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);
            alertDialogBuilder
                    .setTitle("Selamat!")
                    .setMessage("Anda berhasil, nilai Anda : " + numberOfQuestionCorrect + " Sempurna. Anda dapat melanjutkan ke pelajaran berikutnya.")
                    .setCancelable(false)
                    .setPositiveButton("Simple Past Tense 2",
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialogInterface, int i) {
                                    startActivity(new Intent(getApplicationContext(), MainActivity.class));
                                    finish();

                                }
                            });

            AlertDialog alertDialog = alertDialogBuilder.create();
            alertDialog.show();
        } else {
            AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(MainActivity.this);
            alertDialogBuilder
                    .setTitle("Gagal!")
                    .setMessage("Anda gagal, Nilai Anda adalah : " + numberOfQuestionCorrect + " Anda belum dapat melanjutkan pelajaran berikutnya.")
                    .setCancelable(false)
                    .setPositiveButton("Mulai test lagi",
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialogInterface, int i) {
                                    startActivity(new Intent(getApplicationContext(), MainActivity.class));
                                    finish();

                                }
                            })

                    .setNegativeButton("Keluar aplikasi",
                            new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialogInterface, int i) {
                                    moveTaskToBack(true);
                                    finish();

                                }
                            });

            AlertDialog alertDialog = alertDialogBuilder.create();
            alertDialog.show();
        }
    }


    private boolean checkQuestion1() {
        EditText editTextQuestion1 = findViewById(R.id.answer_simple_past_test1);

        return editTextQuestion1.getText().toString().equalsIgnoreCase(answerQuestion1);
    }

    private boolean checkQuestion2() {
        EditText editTextQuestion2 = findViewById(R.id.answer_simple_past_test2);

        return editTextQuestion2.getText().toString().equalsIgnoreCase(answerQuestion2);
    }

    private boolean checkQuestion3() {
        EditText editTextQuestion3 = findViewById(R.id.answer_simple_past_test3);

        return editTextQuestion3.getText().toString().equalsIgnoreCase(answerQuestion3);
    }



}