Java tutorial
/* * Copyright 2014 Marc Nause <marc.nause@gmx.de> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http:// www.gnu.org/licenses/. */ package de.audioattack.yacy32c3search.activity; import android.app.Dialog; import android.content.DialogInterface; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.text.Html; import android.text.method.LinkMovementMethod; import android.widget.TextView; import java.util.Locale; import de.audioattack.yacy32c3search.R; /** * Displays all kinds of dialogs in the app. * * @author Marc Nause <marc.nause@gmx.de> */ public class AlertDialog extends DialogFragment { /** * Creates dialog for simple messages. * * @param title ID of title of the message * @param message ID of the message * @return the dialog */ public static DialogFragment newInstance(final int title, final int message) { final AlertDialog frag = new AlertDialog(); final Bundle args = new Bundle(); args.putInt("title", title); args.putInt("message", message); frag.setArguments(args); return frag; } /** * Creates dialog to display message regarding an exception. * * @param title ID of title of the message * @param message ID of the message (message should contain %s to be replaced with message from exception) * @param ex the exception * @return the dialog */ public static DialogFragment newInstance(final int title, final int message, final Exception ex) { final AlertDialog frag = new AlertDialog(); final Bundle args = new Bundle(); args.putInt("title", title); args.putInt("message", message); args.putString("exception", ex.getMessage() == null ? ex.toString() : ex.getMessage()); frag.setArguments(args); return frag; } @Override @NonNull public Dialog onCreateDialog(final Bundle savedInstanceState) { final int title = getArguments().getInt("title"); final int message = getArguments().getInt("message"); final String exception = getArguments().getString("exception"); return new android.app.AlertDialog.Builder(getActivity()).setTitle(title) .setMessage(exception == null ? Html.fromHtml(getString(message)) : String.format(Locale.US, getString(message), exception)) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { dismiss(); } }).create(); } @Override public void onStart() { super.onStart(); ((TextView) getDialog().findViewById(android.R.id.message)) .setMovementMethod(LinkMovementMethod.getInstance()); } }