lock_btn.setOnClickListener(new View.OnClickListener(){
public void onClick(View v) {
try{
FileOutputStream outFs = openFileOutput("lock.txt", Context.MODE_PRIVATE);
String str = locktext.getText().toString();
outFs.close();
Toast.makeText(getApplicationContext(),"비밀번호 설정완료",Toast.LENGTH_SHORT).show();
}catch (IOException e){}
}
});
btnRead.setOnClickListener(new View.OnClickListener(){
public void onClick(View v) {
try{
FileInputStream inFs = openFileInput("lock.txt");
byte[] txt = new byte[30];
inFs.read(txt);
String str = new String(txt);
Toast.makeText(getApplicationContext(),str,Toast.LENGTH_SHORT).show();
inFs.close();
} catch (IOException e){
Toast.makeText(getApplicationContext(),"파일없음",Toast.LENGTH_SHORT).show();
}
}
});
저장까지는 된상태에서 불러오기버튼을누르면 토스트메시지는뜨지만 아무내용이뜨질않고 ()이렇게 뜨네요 뭐가문제일까요?