TextwidgetSettingsActivity.java 文件源码

private void createFileSelector(final String path) {
        Preference fileSelectPreference = (Preference) findPreference("filename");
        fileSelectPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {

            public boolean onPreferenceClick(Preference preference) {

                Intent intent = new Intent(getBaseContext(), FileDialog.class);
                intent.putExtra(FileDialog.START_PATH, path);
                startActivityForResult(intent, FILE_CHOICE);

//              Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
//              intent.setDataAndType(Uri.fromFile(new File("/sdcard")), "*/*");
//              intent.addCategory(Intent.CATEGORY_OPENABLE);
//              intent = Intent.createChooser(intent, "Choose a file");
//              startActivityForResult(intent, FILE_CHOICE);

                return true;
            }

        });
    }