[Java認證題庫]_1Z0-804題庫詳解_6

[Java認證題庫]_1Z0-804題庫詳解_6



public void deleteDB(String id){

SQLiteDatabase db=getWritableDatabase();

db.execSQL("DELETE FROM teacher WHERE id='"+id+"';");

}





public void show5(View v){

String id=et1.getText().toString();

dbhp.deleteDB(id);

Toast.makeText(MainActivity.this, "刪除成功!", Toast.LENGTH_SHORT).show();

}