پاسخ ندادن TextView به Listener

این کد اکتیویتی MainActivity :

package app.developer.hangman_design;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

  private String wordDashed = "";
  private  int failCount = 0;
  private TextView txt_word;
  private ImageView img_face;
  private  String selectedWord = "";
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // define java pointers to ui elements
    img_face = (ImageView) findViewById(R.id.img_face);
    txt_word = (TextView) findViewById(R.id.txt_word);
    final TextView txt_a = (TextView) findViewById(R.id.txt_a);
    final TextView txt_b = (TextView) findViewById(R.id.txt_b);
    final TextView txt_c = (TextView) findViewById(R.id.txt_c);
    final TextView txt_d = (TextView) findViewById(R.id.txt_d);
    final TextView txt_e = (TextView) findViewById(R.id.txt_e);
    final TextView txt_f = (TextView) findViewById(R.id.txt_f);
    final TextView txt_g = (TextView) findViewById(R.id.txt_g);
    final TextView txt_h = (TextView) findViewById(R.id.txt_h);
    final TextView txt_i = (TextView) findViewById(R.id.txt_i);
    final TextView txt_j = (TextView) findViewById(R.id.txt_j);
    final TextView txt_k = (TextView) findViewById(R.id.txt_k);
    final TextView txt_l = (TextView) findViewById(R.id.txt_l);
    final TextView txt_m = (TextView) findViewById(R.id.txt_m);
    final TextView txt_n = (TextView) findViewById(R.id.txt_n);
    final TextView txt_o = (TextView) findViewById(R.id.txt_o);
    final TextView txt_p = (TextView) findViewById(R.id.txt_p);
    final TextView txt_q = (TextView) findViewById(R.id.txt_q);
    final TextView txt_r = (TextView) findViewById(R.id.txt_r);
    final TextView txt_s = (TextView) findViewById(R.id.txt_s);
    final TextView txt_t = (TextView) findViewById(R.id.txt_t);
    final TextView txt_u = (TextView) findViewById(R.id.txt_u);
    final TextView txt_v = (TextView) findViewById(R.id.txt_v);
    final TextView txt_w = (TextView) findViewById(R.id.txt_w);
    final TextView txt_x = (TextView) findViewById(R.id.txt_x);
    final TextView txt_y = (TextView) findViewById(R.id.txt_y);
    final TextView txt_z = (TextView) findViewById(R.id.txt_z);

    //Select Word and Convert it to Dashed Version
    selectedWord = selectWord();
    wordDashed = getDashedWord(selectedWord);

    //initialized ui
    img_face.setImageResource(R.drawable.face_1);
    txt_word.setText(wordDashed);


    //Define General Virtual Keyboard Click Listener
    View.OnClickListener Listener = new View.OnClickListener() {
      @Override
      public void onClick(View view) {
        processKey(view);
      }
    };
    //assign common Listener to ui virtual keyboard
    txt_a.setOnClickListener(Listener);
    txt_b.setOnClickListener(Listener);
    txt_c.setOnClickListener(Listener);
    txt_d.setOnClickListener(Listener);
    txt_e.setOnClickListener(Listener);
    txt_f.setOnClickListener(Listener);
    txt_g.setOnClickListener(Listener);
    txt_h.setOnClickListener(Listener);
    txt_i.setOnClickListener(Listener);
    txt_l.setOnClickListener(Listener);
    txt_m.setOnClickListener(Listener);
    txt_n.setOnClickListener(Listener);
    txt_o.setOnClickListener(Listener);
    txt_p.setOnClickListener(Listener);
    txt_q.setOnClickListener(Listener);
    txt_r.setOnClickListener(Listener);
    txt_s.setOnClickListener(Listener);
    txt_t.setOnClickListener(Listener);
    txt_u.setOnClickListener(Listener);
    txt_v.setOnClickListener(Listener);
    txt_w.setOnClickListener(Listener);
    txt_x.setOnClickListener(Listener);
    txt_y.setOnClickListener(Listener);
    txt_z.setOnClickListener(Listener);
  }


  private String selectWord() {
    String[] words = {
      "Object Oriented",
      "Polymorphism",
      "Encapsulation",
      "Interface",
      "Composition",
      "Development",
      "Research",
      "Google",
      "Documentation",
    };
    int randomIndex = (int)(Math.random() * words.length);
    return words[randomIndex] ;
  }

  private String getDashedWord(String word) {
    String dashed = "";
    for(int i = 0; i < word.length() ; i++) {
      if(word.charAt(i) != ' ') {
        dashed += "-";
      } else  {
        dashed += " ";
      }
    }
    return dashed;
  }

  private String getIdAsString(View view) {
    String id = view.getResources().getResourceEntryName(view.getId());
    return id;
  }

  public void lostGame() {
    Intent intent = new Intent(MainActivity.this, FinishActivity.class);
    intent.putExtra("RESULT" , "LOST");
    MainActivity.this.startActivity(intent);
    finish();
  }

  public void winGame() {
    Intent intent = new Intent(MainActivity.this, FinishActivity.class);
    intent.putExtra("RESULT" , "WON");
    MainActivity.this.startActivity(intent);
    finish();
  }

  private String replaceChar(String target,int index,char newChar) {
    char[] charArray =  target.toCharArray();
    charArray[index] = newChar;
    return new String(charArray);
  }
  private void processKey(View view) {
    TextView textView = (TextView) view;
    String id =getIdAsString(textView);
    String letter = id.replace("txt_","");
    char letterChar = letter.charAt(0);
//        Log.i("Test","TextView Clicked " + letter);

    String wordLowerCased = selectedWord.toLowerCase();
    if(wordLowerCased.contains(letter)) {
//          Log.i("Test", " Word Contains " + letter);
      for(int i = 0 ; i < wordLowerCased.length(); i++) {
        if(wordLowerCased.charAt(i) == letterChar) {
          wordDashed = replaceChar(wordDashed,i,selectedWord.charAt(i));
          txt_word.setText(wordDashed);
          if(!wordDashed.contains("-")) {
            winGame();
//                Log.i("Test","YOU WON");
          }
        }
      }
    } else {
//          Log.i("Test", " Word not Contains " + letter);
      failCount++;
      int imageId = R.drawable.face_1 ;
      if(failCount > 7 ) {
        img_face.setImageResource( R.drawable.face_9);
        lostGame();
//            Log.i("Test" , "Game Over");
        return;
      }
      switch (failCount) {
        case 1:  imageId = R.drawable.face_2; break;
        case 2:  imageId = R.drawable.face_3; break;
        case 3:  imageId = R.drawable.face_4; break;
        case 4:  imageId = R.drawable.face_5; break;
        case 5:  imageId = R.drawable.face_6; break;
        case 6:  imageId = R.drawable.face_7; break;
        case 7:  imageId = R.drawable.face_8; break;
        case 8:  imageId = R.drawable.face_9; break;
      }
      img_face.setImageResource(imageId);
    }
    textView.setVisibility(View.INVISIBLE);
  }
}

این کد اکتیویتی MainActivity :

package app.developer.hangman_design;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class FinishActivity extends AppCompatActivity {

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


    Button btn_exit = (Button) findViewById(R.id.btn_exit);
    Button btn_restart = (Button) findViewById(R.id.btn_restart);

    btn_exit.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        finish();
      }
    });

    btn_restart.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(FinishActivity.this,MainActivity.class);
        FinishActivity.this.startActivity(intent);
        finish();
      }
    });
    TextView txt_result = (TextView) findViewById(R.id.txt_result);
    Intent intent = getIntent();
    String result = intent.getStringExtra("RESULT");

    if(result.equals("WON")) {
      txt_result.setText("You Won");
    } else {
      txt_result.setText("Game Over!");
    }
  }
}

پیدا کردم مشکل رو :|
مشکل تو پاس ندادن متغیر listener به txt_j و txt_k بودش
واقعاً که