PreferencesActivity.java 文件源码

private void addRestoreMorguePreference() {
    DialogPreference backupDialogPreference = new DialogPreference(this,
            null) {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
                case DialogInterface.BUTTON_POSITIVE:
                    // Get stuff in edittext, restore it from that directory
                    EditText directoryBox = (EditText) getDialog()
                            .findViewById(R.id.directoryBox);
                    String source = directoryBox.getText().toString();
                    restoreDirectory(source, "/morgue");
                    break;
            }
        }
    };
    backupDialogPreference.setDialogLayoutResource(R.layout.restore_morgue_dialog);
    backupDialogPreference.setDialogTitle(R.string.restore_morgue_directory);
    backupDialogPreference.setTitle(R.string.restore_morgue_directory);
    backupDialogPreference.setPositiveButtonText(R.string.restore);
    backupDialogPreference.setNegativeButtonText(android.R.string.cancel);

    PreferenceCategory saveFilesCategory = (PreferenceCategory) findPreference("morgue");
    saveFilesCategory.addPreference(backupDialogPreference);

}