직접 풀어보기 7-3 (교재 P.317)

[ 코드에 들어가기 전에 ]

• 코드에서 중요하게 생각하는 부분과, 새로 공부하는 부분만 발췌해서 부연 설명
• 코드 전체를 첨부하기에는 비슷한 부분의 반복이고, 읽기도 힘들고, 길어지니 링크 참조
• https://miny-genie.tistory.com/57

 

<!-- XML Code_Toast -->

~~~~~~~~~~~~~~~~~~~~ ( 생략 ) ~~~~~~~~~~~~~~~~~~~~

<LinearLayout

~~~~~~~~~~~~~~~~~~~~ ( 생략 ) ~~~~~~~~~~~~~~~~~~~~

</LinearLayout>




<!-- XML Code_Dialog -->

~~~~~~~~~~~~~~~~~~~~ ( 생략 ) ~~~~~~~~~~~~~~~~~~~~

<LinearLayout

~~~~~~~~~~~~~~~~~~~~ ( 생략 ) ~~~~~~~~~~~~~~~~~~~~

</LinearLayout>

 

Dialog.xml

 

 

// JAVA Code

~~~~~~~~~~~~~~~~~~~~ ( 생략 ) ~~~~~~~~~~~~~~~~~~~~

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                dialogView = (View) View.inflate(MainActivity.this, R.layout.dialog, null);
                AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
                editID = (EditText) dialogView.findViewById(R.id.editID);
                editPW = (EditText) dialogView.findViewById(R.id.editPW);
                dlg.setView(dialogView);

                editID.setText(txtID.getText());
                editPW.setText(txtPW.getText());

                dlg.setNegativeButton("확인", new DialogInterface.OnClickListener(){
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        txtID.setText(editID.getText());
                        txtPW.setText(editPW.getText());
                    }
                });

                dlg.setPositiveButton("취소", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        Toast toast = new Toast(MainActivity.this);
                        toastView = (View) View.inflate(MainActivity.this, R.layout.toast, null);
                        toastText = (TextView) toastView.findViewById(R.id.toastext);
                        toastText.setText("★ Cancel ★");
                        toast.setView(toastView);

                        Display display = ((WindowManager) getSystemService(WINDOW_SERVICE)).getDefaultDisplay();
                        Point point = new Point();
                        display.getSize(point);
                        int xOffset = (int) (Math.random() * point.x);
                        int yOffset = (int) (Math.random() * point.y);
                        // getWidth(), getHeight() is deprecated in android studio

                        toast.setGravity(Gravity.TOP | Gravity.LEFT, xOffset, yOffset);
                        toast.show();
                    }
                });
                dlg.show();
            }
        });
    }
}

 

 

 

 

 

직접 풀어보기 7-3 실행 결과