OpenTracks/MyTracks/src/com/google/android/apps/mytracks/WelcomeActivity.java

/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.android.apps.mytracks;

import com.google.android.apps.mytracks.util.MyTracksUtils;
import com.google.android.maps.mytracks.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.webkit.WebView;
import android.widget.TextView;

/**
 * An activity that displays a welcome screen.
 *
 * @author Sandor Dornbush
 */
public class WelcomeActivity extends Activity {

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    requestWindowFeature(Window.FEATURE_PROGRESS);

    setContentView(R.layout.welcome);

    WebView web = (WebView) findViewById(R.id.welcome_web);
    web.loadUrl("file:///android_asset/welcome.html");

    findViewById(R.id.welcome_read_later).setOnClickListener(
        new OnClickListener() {
          public void onClick(View v) {
            finish();
          }
        });

    findViewById(R.id.welcome_about).setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        about();
      }
    });
  }

  /**
   * Shows the "about" dialog.
   * 
   * TODO: Add a menu option for showing the same thing.
   */
  public void about() {
    LayoutInflater li = LayoutInflater.from(this);
    View view = li.inflate(R.layout.about, null);
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setView(view);
    builder.setPositiveButton(R.string.ok, null);
    builder.setIcon(R.drawable.arrow_icon);
    AlertDialog dialog = builder.create();
    dialog.show();
    ((TextView) dialog.findViewById(R.id.about_version_register)).
        setText(MyTracksUtils.getMyTracksVersion(this));
  }
}