Show different type of dialog

DialogUtils.java

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.drawable.Drawable;
import android.text.TextUtils;




public class DialogUtils {

    private static final String TAG = makeLogTag(DialogUtils.class);

    static ProgressDialog mProgressDialog;

    /**
     * Shows a progress dialog with a spinning animation in it. This method must preferably called
     * from a UI thread.
     *
     * @param ctx           Activity context
     * @param title         Title of the progress dialog
     * @param body          Body/Message to be shown in the progress dialog
     * @param isCancellable True if the dialog can be cancelled on back button press, false otherwise
     *
     */
    public static void showProgressDialog(Context ctx, String title, String body, boolean isCancellable) {
        showProgressDialog(ctx, title, body, null, isCancellable);
    }

    /**
     * Shows a progress dialog with a spinning animation in it. This method must preferably called
     * from a UI thread.
     *
     * @param ctx           Activity context
     * @param title         Title of the progress dialog
     * @param body          Body/Message to be shown in the progress dialog
     * @param icon          Icon to show in the progress dialog. It can be null.
     * @param isCancellable True if the dialog can be cancelled on back button press, false otherwise
     *
     */
    public static void showProgressDialog(Context ctx, String title, String body, Drawable icon, boolean isCancellable) {

        if (ctx instanceof Activity) {
            if (!((Activity) ctx).isFinishing()) {
                mProgressDialog = ProgressDialog.show(ctx, title, body, true);
                mProgressDialog.setIcon(icon);
                mProgressDialog.setCancelable(isCancellable);
            }
        }
    }

    /**
     * Check if the {@link ProgressDialog} is visible in the UI.
     *
     */
    public static boolean isProgressDialogVisible() {
        return (mProgressDialog != null);
    }

    /**
     * Dismiss the progress dialog if it is visible.
     *
     */
    public static void dismissProgressDialog() {

        if (mProgressDialog != null) {
            mProgressDialog.dismiss();
        }

        mProgressDialog = null;
    }

    /**
     * Shows an alert dialog with the OK button. When the user presses OK button, the dialog
     * dismisses.
     *
     */
    public static void showAlertDialog(Context ctx, String title, String body) {
        showAlertDialog(ctx, title, body, null);
    }

    /**
     * Shows an alert dialog with OK button
     *
     */
    public static void showAlertDialog(Context ctx, String title, String body, DialogInterface.OnClickListener okListener) {

        if (okListener == null) {
            okListener = new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int which) {
                    dialog.cancel();
                }
            };
        }

        AlertDialog.Builder builder = new AlertDialog.Builder(ctx).setMessage(body).setPositiveButton("OK", okListener);

        if (!TextUtils.isEmpty(title)) {
            builder.setTitle(title);
        }

        builder.show();
    }

    /**
     * Creates a confirmation dialog with Yes-No Button. By default the buttons just dismiss the
     * dialog.
     *
     * @param ctx
     * @param message     Message to be shown in the dialog.
     * @param yesListener Yes click handler
     * @param noListener  **
     */
    public static void showConfirmDialog(Context ctx, String message, DialogInterface.OnClickListener yesListener, DialogInterface.OnClickListener noListener) {
        showConfirmDialog(ctx, message, yesListener, noListener, "Yes", "No");
    }

    /**
     * Creates a confirmation dialog with Yes-No Button. By default the buttons just dismiss the
     * dialog.
     *
     * @param ctx
     * @param message     Message to be shown in the dialog.
     * @param yesListener Yes click handler
     * @param noListener
     * @param yesLabel    Label for yes button
     * @param noLabel     Label for no button
     *
     */
    public static void showConfirmDialog(Context ctx, String message, DialogInterface.OnClickListener yesListener, DialogInterface.OnClickListener noListener, String yesLabel, String noLabel) {

        AlertDialog.Builder builder = new AlertDialog.Builder(ctx);

        if (yesListener == null) {
            yesListener = new DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();
                }
            };
        }

        if (noListener == null) {
            noListener = new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();
                }
            };
        }

        builder.setMessage(message).setPositiveButton(yesLabel, yesListener).setNegativeButton(noLabel, noListener).show();
    }

    /**
     * Creates a confirmation dialog that show a pop-up with button labeled as parameters labels.
     *
     * @param ctx                 {@link Activity} {@link Context}
     * @param message             Message to be shown in the dialog.
     * @param dialogClickListener For e.g.
     *                            <p/>
     * @param positiveBtnLabel    For e.g. "Yes"
     * @param negativeBtnLabel    For e.g. "No"
     *
     *                            <p>
     * @param positiveBtnLabel    For e.g. "Yes"
     * @param negativeBtnLabel    For e.g. "No"
     */
    public static void showDialog(Context ctx, String message, String positiveBtnLabel, String negativeBtnLabel, DialogInterface.OnClickListener dialogClickListener) {

        if (dialogClickListener == null) {
            throw new NullPointerException("Action listener cannot be null");
        }

        AlertDialog.Builder builder = new AlertDialog.Builder(ctx);

        builder.setMessage(message).setPositiveButton(positiveBtnLabel, dialogClickListener).setNegativeButton(negativeBtnLabel, dialogClickListener).show();
    }
}