CODEWITHSUNDEEP
javaequals
Jane Doe
Jane Doe

Reputation: 13

Why does `equals` not compare string and string array?

I'm comparing the input from a TextEdit with a answer from the "answerList". Now I'm wondering: Why does the .equals() not compare the "uinput" String? Could someone explain this to me and put it in use in the code?

Thanks in advance and have a good day!

package ...

import android.graphics.Color;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

public TextView view1;
public String uinput;
public EditText edit1;
public TextView score_view;
public int score = 0;

public String[] questionList = {
        "lux, luces",
        "munus, munera",
        "neglere",
};

public String[] answerList = {
        "(dag)licht, dag",
        "taak",
        "verwaarlozen",
};

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

    this.edit1 = findViewById(R.id.edit1);
    this.view1 = findViewById(R.id.view1);
    this.score_view = findViewById(R.id.score_view);
    this.uinput = edit1.getText().toString();
    view1.setText(questionList[0]);
}

    public void check(View view) {
        if (uinput.equals(answerList[0])) {
            edit1.setBackgroundColor(Color.parseColor("#00FF00"));
            score++;
            score_view.setText(score);
        } else {
            edit1.setBackgroundColor(Color.parseColor("#FF0000"));
        }
}

}

Upvotes: 1

Views: 51

Answers (2)

KevinO
KevinO

Reputation: 4403

The OP's question concerned a comparison of the uinput to an element in the array questionList. In the check method, the comparison was performed against the uinput, but the value of uinput was not being updated prior to the check.

public void check(View view) {
    // ADD HERE: update the value of the input
    uinput = edit1.getText().toString();

    if (uinput.equals(answerList[0])) {
        edit1.setBackgroundColor(Color.parseColor("#00FF00"));
        score++;
        score_view.setText(score);
    } else {
        edit1.setBackgroundColor(Color.parseColor("#FF0000"));
    }
}

Upvotes: 1

Faiizii Awan
Faiizii Awan

Reputation: 1710

remove this keyword 

......
edit1 = findViewById(R.id.edit1);
view1 = findViewById(R.id.view1);
score_view = findViewById(R.id.score_view);

......

add this in OnClick() method

uinput = edit1.getText().toString();

Upvotes: 0

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