Util.java

package at.renehollander.schnitzeljagd.application;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.ProgressDialog;
import android.content.Context;
import android.util.Log;

import org.json.JSONException;
import org.json.JSONObject;

public class Util {

    public static void displayErrorDialogFromJson(Activity activity, String title, String jsonmessage) {
        String text = jsonmessage;

        try {
            JSONObject msgObject = new JSONObject(jsonmessage);
            text = msgObject.getString("text");
        } catch (JSONException e) {
            Log.e("errordialog", "error parsing json message", e);
        }

        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);

        builder.setCancelable(false);

        builder.setTitle(title);
        builder.setMessage(text);

        builder.setPositiveButton("Ok", (dialog, which) -> {
            dialog.dismiss();
        });

        activity.runOnUiThread(() -> {
            AlertDialog alertDialog = builder.create();
            alertDialog.show();
        });
    }

    public static void displayErrorDialogFromString(Activity activity, String title, String msg) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);

        builder.setCancelable(false);

        builder.setTitle(title);
        builder.setMessage(msg);

        builder.setPositiveButton("Ok", (dialog, which) -> {
            dialog.dismiss();
        });

        activity.runOnUiThread(() -> {
            AlertDialog alertDialog = builder.create();
            alertDialog.show();
        });
    }

    public static void displayErrorDialogFromThrowable(Activity activity, String title, Throwable t) {
        String text = t.getMessage();

        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);

        builder.setCancelable(false);

        builder.setTitle(title);
        builder.setMessage(text);

        builder.setPositiveButton("Ok", (dialog, which) -> {
            dialog.dismiss();
        });

        activity.runOnUiThread(() -> {
            AlertDialog alertDialog = builder.create();
            alertDialog.show();
        });
    }

    public static void displayWonDialog(Activity activity) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(activity);

        builder.setCancelable(false);

        builder.setTitle("YOU MADE IT!");
        builder.setMessage("You made it!\nCongrats m80's");
        builder.setPositiveButton("Ok", (dialog, which) -> {
            dialog.dismiss();
        });

        activity.runOnUiThread(() -> {
            AlertDialog alertDialog = builder.create();
            alertDialog.show();
        });
    }

    public static ProgressDialog createProgressDialog(Activity activity) {
        ProgressDialog progressDialog = new ProgressDialog(activity);
        progressDialog.setTitle("Laden...");
        progressDialog.setMessage("Lade Daten herunter, bitte warten...");
        progressDialog.setCancelable(false);
        progressDialog.setIndeterminate(false);
        progressDialog.show();
        return progressDialog;
    }

    public static void addFragment(Activity activity, int id, Fragment target) {
        activity.getFragmentManager().beginTransaction().add(id, target).commit();
    }

    public static void removeFragment(Activity activity, Fragment target) {
        activity.getFragmentManager().beginTransaction().remove(target).commit();
    }

    public static void replaceFragment(Activity activity, int id, Fragment target) {
        activity.getFragmentManager().beginTransaction().replace(id, target).commit();
    }

    public static Schnitzeljagd getSchnitzeljagd(Activity activity) {

        if (activity.getApplication() instanceof SchnitzeljagdApplication) {
            return ((SchnitzeljagdApplication) activity.getApplication()).getSchnitzeljagd();
        } else {
            throw new IllegalArgumentException("ApplicationClass is not of type SchnitzeljagdApplication");
        }
    }

}