We would like to know how to create AlertDialog with various options 2.
import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.view.View; /* www .j ava 2s. c om*/ class AlertUtil { private static final int NO_RESOURCE = -1; public static final int NONE = -1; public static AlertDialog showAlert(Context context, int title, int message) { return showAlert(context, title, message, null, NO_RESOURCE, null, NO_RESOURCE, null); } public static AlertDialog showAlert(Context context, int title, int message, int positiveButton) { return showAlert(context, title, message, null, positiveButton, null, NO_RESOURCE, null); } public static AlertDialog showAlert(Context context, int title, int message, int positiveButton, OnClickListener listener) { return showAlert(context, title, message, null, positiveButton, listener, NO_RESOURCE, null); } public static AlertDialog showAlert(Context context, int title, int message, int positiveButton, int negativeButton) { return showAlert(context, title, message, null, positiveButton, null, negativeButton, null); } public static AlertDialog showAlert(Context context, int title, int message, View contentView, int positiveButton, int negativeButton) { return showAlert(context, title, message, contentView, positiveButton, null, negativeButton, null); } public static AlertDialog showAlert(Context context, int title, int message, int positiveButton, OnClickListener positiveListener, int negativeButton, OnClickListener negativeListener) { return showAlert(context, title, message, null, positiveButton, positiveListener, negativeButton, negativeListener); } public static AlertDialog showAlert(Context context, int title, int message, View contentView, int positiveButton, OnClickListener positiveListener, int negativeButton, OnClickListener negativeListener) { AlertDialog.Builder builder = new AlertDialog.Builder(context); if (title != NONE) { builder.setTitle(title); } if (message != NONE) { builder.setMessage(message); } if (contentView != null) { builder.setView(contentView); } if (positiveButton != NO_RESOURCE) { builder.setPositiveButton(positiveButton, positiveListener); } if (negativeButton != NO_RESOURCE) { builder.setNegativeButton(negativeButton, negativeListener); } return builder.show(); } public static AlertDialog showAlert(Context context, int title, String[] items, boolean[] checkedItems, DialogInterface.OnMultiChoiceClickListener itemsListener, int positiveButton, OnClickListener positiveListener, int negativeButton, OnClickListener negativeListener) { return showAlert(context, title, NONE, items, checkedItems, itemsListener, positiveButton, positiveListener, negativeButton, negativeListener); } public static AlertDialog showAlert(Context context, int title, int message, String[] items, boolean[] checkedItems, DialogInterface.OnMultiChoiceClickListener itemsListener, int positiveButton, OnClickListener positiveListener, int negativeButton, OnClickListener negativeListener) { AlertDialog.Builder builder = new AlertDialog.Builder(context); if (title != NONE) { builder.setTitle(title); } if (message != NONE) { builder.setMessage(message); } builder.setMultiChoiceItems(items, checkedItems, itemsListener); if (positiveButton != NO_RESOURCE) { builder.setPositiveButton(positiveButton, positiveListener); } if (negativeButton != NO_RESOURCE) { builder.setNegativeButton(negativeButton, negativeListener); } return builder.show(); } }