を持っている私のアンドロイドmanifiestで
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.new_text);
file = (EditText) findViewById(R.id.title_new);
entry = (EditText) findViewById(R.id.entry_new);
btn = (Button) findViewById(R.id.save_new);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
File myDir = getFilesDir();
NEWFILENAME = file.getText().toString();
if (NEWFILENAME.contentEquals("")){
NEWFILENAME = "UNTITLED";
}
NEWENTRY = entry.getText().toString();
try {
File file_new = new File(myDir+"/text/", NEWFILENAME);
file_new.createNewFile();
Log.i("file", file_new.toString());
if (file_new.mkdirs()) {
FileOutputStream fos = new FileOutputStream(file_new);
fos.write(NEWENTRY.getBytes());
fos.flush();
fos.close();
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Intent textPass = new Intent("com.example.TEXTMENU");
startActivity(textPass);
}
});
}
//That's for creating... then in other activity i'm reading
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.text_menu);
btn = (Button) findViewById(R.id.newNote);
listfinal = (ListView) findViewById(R.id.listView);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent textPass = new Intent("com.example.TEXTNEW");
startActivity(textPass);
}
});
listfinal.setOnItemClickListener(this);
File fileWithinMyDir = getApplicationContext().getFilesDir();
loadbtn = (Button) findViewById(R.id.loadList);
loadbtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
File myDir = getFilesDir();
File dir = new File(myDir + "/text/");
String[] files = dir.list();
//String[] files = getApplicationContext().fileList();
List<String> list = new ArrayList<String>();
for (int i =0; i < files.length; i++){
list.add(files[i]);
}
ArrayAdapter<String> ad = new ArrayAdapter<String>(TextMenu.this, android.R.layout.simple_list_item_1,
android.R.id.text1, list);
listfinal.setAdapter(ad);
}
});
}
あなたの要望。 私はX10実行ビルド番号2.1.A.0.435一つのXperia T走行ビルド番号7.0.A.1.303一のネクサスS走行ビルド番号JZO54K
例1
String filename = "myfile";
String outputString = "Hello world!";
try {
FileOutputStream outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
outputStream.write(outputString.getBytes());
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
FileInputStream inputStream = openFileInput(filename);
BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder total = new StringBuilder();
String line;
while ((line = r.readLine()) != null) {
total.append(line);
}
r.close();
inputStream.close();
Log.d("File", "File contents: " + total);
} catch (Exception e) {
e.printStackTrace();
}
例2にこれらをテスト
String filename = "mysecondfile";
String outputString = "Hello world!";
File myDir = getFilesDir();
try {
File secondFile = new File(myDir + "/text/", filename);
if (secondFile.getParentFile().mkdirs()) {
secondFile.createNewFile();
FileOutputStream fos = new FileOutputStream(secondFile);
fos.write(outputString.getBytes());
fos.flush();
fos.close();
}
} catch (Exception e) {
e.printStackTrace();
}
try {
File secondInputFile = new File(myDir + "/text/", filename);
InputStream secondInputStream = new BufferedInputStream(new FileInputStream(secondInputFile));
BufferedReader r = new BufferedReader(new InputStreamReader(secondInputStream));
StringBuilder total = new StringBuilder();
String line;
while ((line = r.readLine()) != null) {
total.append(line);
}
r.close();
secondInputStream.close();
Log.d("File", "File contents: " + total);
} catch (Exception e) {
e.printStackTrace();
}
LogCatを提供できますか? – 323go
'File.mkdirs()'でファイルを配置したいディレクトリを作成してみてください。 – vasart