AccountsSettingsFragment.java 文件源码

@Override
public boolean onPreferenceClick(final Preference preference) {
    final TwoStatePreference syncPreference = (TwoStatePreference) preference;
    if (syncPreference.isChecked()) {
        // Uncheck for now.
        syncPreference.setChecked(false);

        // Show opt-in.
        final AlertDialog optInDialog = new AlertDialog.Builder(getActivity())
                .setTitle(R.string.cloud_sync_title)
                .setMessage(R.string.cloud_sync_opt_in_text)
                .setPositiveButton(R.string.account_select_ok,
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(final DialogInterface dialog,
                                                final int which) {
                                if (which == DialogInterface.BUTTON_POSITIVE) {
                                    final Context context = getActivity();
                                    final String[] accountsForLogin =
                                            LoginAccountUtils.getAccountsForLogin(context);
                                    createAccountPicker(accountsForLogin,
                                            getSignedInAccountName(),
                                            new AccountChangedListener(syncPreference))
                                            .show();
                                }
                            }
                })
                .setNegativeButton(R.string.cloud_sync_cancel, null)
                .create();
        optInDialog.setOnShowListener(this);
        optInDialog.show();
    }
    return true;
}