为什么我有这样的错误？ MSG_RESIZED_REPORT：ci = Rect（0，0-0，0）vi = Rect（0，0-0，0）或= 1 MSG_WINDOW_FOCUS_CHANGED 0

Question

日志：

D/ViewRootImpl@d8cc6ae[GlavniyActivity]: ViewPostImeInputStage processPointer 0
D/ViewRootImpl@d8cc6ae[GlavniyActivity]: ViewPostImeInputStage processPointer 1
D/TextView: setTypeface with style : 0
D/TextView: setTypeface with style : 0
D/TextView: setTypeface with style : 0
D/TextView: setTypeface with style : 0
D/ViewRootImpl@40adc3c[GlavniyActivity]: ThreadedRenderer.create() translucent=true
D/InputTransport: Input channel constructed: fd=81
D/ViewRootImpl@40adc3c[GlavniyActivity]: setView = DecorView@a223dc5[GlavniyActivity] touchMode=true
D/ViewRootImpl@40adc3c[GlavniyActivity]: dispatchAttachedToWindow
D/ViewRootImpl@40adc3c[GlavniyActivity]: Relayout returned: oldFrame=[0,0][0,0] newFrame=[37,1074][1403,1570] result=0x27 surface={isValid=true 480721428480} surfaceGenerationChanged=true
    mHardwareRenderer.initialize() mSurface={isValid=true 480721428480} hwInitialized=true
D/mali_winsys: EGLint new_window_surface(egl_winsys_display*, void*, EGLSurface, EGLConfig, egl_winsys_surface**, egl_color_buffer_format*, EGLBoolean) returns 0x3000,  [1590x720]-format:1
D/ScrollView:  onsize change changed 
D/ViewRootImpl@40adc3c[GlavniyActivity]: MSG_WINDOW_FOCUS_CHANGED 1
    mHardwareRenderer.initializeIfNeeded()#2 mSurface={isValid=true 480721428480}
D/ViewRootImpl@40adc3c[GlavniyActivity]: MSG_RESIZED_REPORT: ci=Rect(0, 0 - 0, 0) vi=Rect(0, 0 - 0, 0) or=1
D/ViewRootImpl@d8cc6ae[GlavniyActivity]: MSG_WINDOW_FOCUS_CHANGED 0

问题是，当我选择正确的答案时，程序突然停止，我不明白为什么。

我的活动：

public class GlavniyActivity extends AppCompatActivity {
Button answer1, answer2, answer3, answer4;
TextView score, question;

private Questions mQuestions = new Questions();
private String mAnswer;
private int mScore = 0;
private int mQuestionsLenght = mQuestions.mQuestions.length;

Random r;


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

    answer1 = (Button) findViewById(R.id.answer1);
    answer2 = (Button) findViewById(R.id.answer2);
    answer3 = (Button) findViewById(R.id.answer3);
    answer4 = (Button) findViewById(R.id.answer4);
    r = new Random();
    question = (TextView) findViewById(R.id.question);
    score = (TextView) findViewById(R.id.score);
    score.setText("Score: " + mScore);
    updataQuestion(r.nextInt(mQuestionsLenght));


    answer1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (answer1.getText() == mAnswer) {
                mScore++;
                score.setText("Score: " + mScore);
                updataQuestion(r.nextInt(mQuestionsLenght));
            }else {gameOver();}
        }
    });

    answer2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (answer2.getText() == mAnswer) {
                mScore++;
                score.setText("Score: " + mScore);
                updataQuestion(r.nextInt(mQuestionsLenght));
            }else {gameOver();}
        }
    });

    answer3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (answer3.getText() == mAnswer) {
                mScore++;
                score.setText("Score: " + mScore);
                updataQuestion(r.nextInt(mQuestionsLenght));
            }else {gameOver();}
        }
    });


    answer4.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (answer4.getText() == mAnswer) {
                mScore++;
                score.setText("Score: " + mScore);
                updataQuestion(r.nextInt(mQuestionsLenght));
            }else {gameOver();}
        }
    });

}

private void updataQuestion(int num) {
    question.setText(mQuestions.getQuestion(num));
    answer1.setText(mQuestions.getChoice1(num));
    answer2.setText(mQuestions.getChoice2(num));
    answer3.setText(mQuestions.getChoice3(num));
    answer4.setText(mQuestions.getChoice4(num));
    mAnswer = mQuestions.getCorrectAnswer(num);
}
private void gameOver(){
    AlertDialog.Builder alertDialogBuilder=new AlertDialog.Builder(GlavniyActivity.this);
    alertDialogBuilder
            .setMessage("Игра окончена. Выбран неправильный ответ!" + mScore+ " points.")
            .setCancelable(false)
            .setPositiveButton("Новая Игра!",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            startActivity(new Intent(getApplicationContext(),GlavniyActivity.class));
                            finish();
                        }
                    })

            .setNegativeButton("ВЫХОД!",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            finish();

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

}