private void InitViews() { edSubject = (TouchEdit) findViewById(R.id.edCourseSubject); btnStartDate = (Button) findViewById(R.id.btnCourseStartDate); btnStartTime = (Button) findViewById(R.id.btnCourseStartTime); btnStartDate.setVisibility(ImageButton.VISIBLE); btnRepeatSelect = (Button) findViewById(R.id.btnRepeatSelect); btnRepeatSelect.setVisibility(ImageButton.INVISIBLE); btnStartDate.setVisibility(ImageButton.GONE); btnSave = (ImageButton) findViewById(R.id.btnCourseSave); btnSave.setOnClickListener( new View.OnClickListener() { public void onClick(View v) { SaveData(); } }); btnDelete = (ImageButton) findViewById(R.id.btnCourseDelete); btnDelete.setOnClickListener( new View.OnClickListener() { public void onClick(View v) { DeleteData(); } }); }