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我使用dropbox API,並且我想上傳一個Dropbox上的文件。 Dropbox中會有一個文件需要被覆蓋。android - dropbox api - 如何查找和上傳文件
我試過這段代碼找到文件profiles.txt,然後上傳它,但我總是找不到文件。
// create the file
FileOutputStream file = openFileOutput("profiles.txt", MODE_WORLD_READABLE);
// download the contents from the online file into the newly created file
DropboxFileInfo info = mDBApi.getFile("/profiles.txt", null, file, null);
// close the file
file.flush();
file.close();
// read the file
FileInputStream fstream = openFileInput("profiles.txt");
InputStreamReader isr = new InputStreamReader(fstream);
char[] inputBuffer = new char[7];
isr.read(inputBuffer);
String readString = (new String(inputBuffer)).trim();
int id = Integer.parseInt(readString);
// record your id
SharedPreferences mySharedPreferences = getSharedPreferences("User_info_file", MODE_PRIVATE);
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putString("TEXT_ID_KEY", readString);
editor.commit();
// create the new file with the new id
file = openFileOutput("profiles.txt", MODE_WORLD_READABLE);
OutputStreamWriter osw = new OutputStreamWriter(file);
osw.write(String.format("%d", id+1));
osw.flush();
osw.close();
File file2 = new File("profiles.txt");
String ab_path = (Tab_User_InfoActivity.this).getCacheDir().getAbsolutePath() + File.separator + "profiles.txt";
FileInputStream inputStream = new FileInputStream(ab_path); // CRASH HERE
Entry newEntry = mDBApi.putFile("profiles.txt", inputStream, file2.length(), null, null);
但我總是收到文件未找到異常。誰能告訴我我做錯了什麼?
哪個呼叫正在生成例外? – 2012-08-06 21:03:11
FileInputStream inputStream = new FileInputStream(ab_path); – omega 2012-08-06 21:11:34
你能打印ab_path嗎? – 2012-08-06 21:18:29