Android Open Source - Handalfabet Main Activity

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Back to project page Handalfabet.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.SwedishSignAlphabet;
//from  w w w  .  j  a v a 2s  .  c  o  m
import com.SwedishSignAlphabet.R;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Build;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

/**
 *    Copyright? 2012, Grupp02
 * 
 *     This file is part of Handalfabetet.
 *
 *   Handalfabetet 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.
 *
 *   Handalfabetet 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 Handalfabetet.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * The MainActivity class.
 * 
 * @author : Grupp02
 * @version : 2012-10-21, v1.0
 * 
 */
public class MainActivity extends Activity {

    // Audio Focus helper
    private AudioFocusHelper focusHelper;

    TextView nameField;
    private TextView userStatus;
    private ImageView userImg;

    public String name = "";
    private String playerName;
    private Button startGameButton;
    private Button settingsButton;
    private Bitmap img;

    @Override
    public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);

  // Make sure we're running on Honeycomb or higher to use ActionBar APIs
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      // getActionBar().setDisplayHomeAsUpEnabled( true );
  }

  if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
      focusHelper = new AudioFocusHelper(this);
  } else {
      focusHelper = null;
  }

  userImg = (ImageView) findViewById(R.id.userpic);
  userStatus = (TextView) findViewById(R.id.textView1);
  nameField = (TextView) findViewById(R.id.textView2);

  startGameButton = (Button) findViewById(R.id.startaSpel);
  settingsButton = (Button) findViewById(R.id.settings);

  startGameButton.setEnabled(false);
  settingsButton.setEnabled(false);
    }

    @Override
    /**
     * onResume is overriden in order to utterly abandon sound focus if
     * sound has been turned off, or resume sound if on.
     * 
     */
    public void onResume() {
  super.onResume();

  if (SoundPlayer.getSoundEnabled() == false) {
      if (focusHelper != null) {
    focusHelper.abandonFocus();
      }
      SoundPlayer.stop();
  } else {
      SoundPlayer.resume();
  }
    }

    @Override
    public void onPause() {
  super.onPause(); // Always call the superclass method first

  // Pause sound when paused
  if (SoundPlayer.getSoundEnabled()) {
      SoundPlayer.pause();
  }
    }

    @Override
    public void onSaveInstanceState(Bundle savedInstanceState) {
  // Save name, user status, and user picture
  savedInstanceState.putString("Name", playerName);
  savedInstanceState.putString("status", userStatus.getText().toString());
  savedInstanceState.putParcelable("picture", img);
  savedInstanceState.putBoolean("game", startGameButton.isEnabled());
  savedInstanceState.putBoolean("settings", settingsButton.isEnabled());

  // Always call the superclass so it can save the view hierarchy state
  super.onSaveInstanceState(savedInstanceState);
    }

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
  // Always call the superclass so it can restore the view hierarchy
  super.onRestoreInstanceState(savedInstanceState);

  // Restore name, user status, and user picture
  playerName = savedInstanceState.getString("Name");
  name = playerName;
  nameField.setText(playerName);
  userStatus.setText(savedInstanceState.getString("status"));
  img = savedInstanceState.getParcelable("picture");
  userImg.setImageBitmap(img);
  startGameButton.setEnabled(savedInstanceState.getBoolean("game"));
  settingsButton.setEnabled(savedInstanceState.getBoolean("settings"));
    }

    /** Called when the user clicks the New Game button */
    public void newGame(View v) {
  // Starts the level chooser activity
  playButton();
  Intent intent = new Intent("android.intent.action.LEVELCHOOSERACTIVITY");
  intent.putExtra("Name", name);
  intent.putExtra("userImg", img);
  startActivity(intent);
    }

    /** Called when the user clicks the New Player button */
    public void newPlayer(View v) {
  playButton();
  Intent intent = new Intent(this, UserActivity.class);
  startActivityForResult(intent, 1);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
  super.onActivityResult(requestCode, resultCode, data);
  if (resultCode == RESULT_OK && requestCode == 1) {
      name = data.getStringExtra("PlayerName");
      nameField.setText(name);

      img = (Bitmap) data.getExtras().getParcelable("userImg");
      userImg.setImageBitmap(img);

      userStatus.setText(R.string.logged_in);
      startGameButton.setEnabled(true);
      settingsButton.setEnabled(true);
  }
  playerName = name;
    }

    /** Called when the user clicks the settings button (formerly level) */
    public void settings(View v) {
  playButton();
  Intent intent = new Intent("android.intent.action.GAMESETTINGSACTIVITY");
  intent.putExtra("Name", name);
  intent.putExtra("userImg", img);
  intent.putExtra("User", userStatus.getText());
  startActivity(intent);
    }

    /** Called when the user clicks the HighScore button */
    public void highScore(View v) {
  playButton();
  startActivity(new Intent(
    "android.intent.action.DISPLAYHIGHSCOREACTIVITY"));
    }

    /** Called when the user clicks the Instruktioner button */
    public void help(View v) {
  playButton();
  Intent intent = new Intent("android.intent.action.HELP");
  intent.putExtra("Name", name);
  intent.putExtra("userImg", img);
  intent.putExtra("User", userStatus.getText());
  startActivity(intent);
    }

    /**
     * The getAudioFocus method attempts to gain focus for playing audio. If
     * full access can't be gained, transitive access at a quiet volume is
     * attempted. If that can't be granted, false is returned.
     * 
     * @return : true if focus in some form is granted, otherwise false
     */
    private boolean getAudioFocus() {

  if (focusHelper != null) {
      if (!focusHelper.requestFocus()) {
    if (focusHelper.requestQuietFocus()) {
        return false;
    } else {
        return true;
    }
      } else {
    return true;
      }
  }

  return false;
    }

    /**
     * playButton plays the button sound
     * 
     * If there is an AudioFocusHelper (api >= 8) use it, otherwise default to
     * SoundPlayer
     */
    public void playButton() {
  if (SoundPlayer.getSoundEnabled()) {
      if (focusHelper != null) {
    if (getAudioFocus()) {
        focusHelper.playButton();
    }
      } else {
    SoundPlayer.playButton(this);
      }
  }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
  getMenuInflater().inflate(R.menu.activity_main, menu);
  return true;
    }

    /**
     * onStop is called when the activity is shut down, usually before being
     * destroyed. We need to stop any media players to properly free up memory.
     * The focus helper should lose focus anyway, but no reason not to tie up
     * loose ends.
     */
    @Override
    public void onStop() {
  // cancel any noises and abandon focus
  SoundPlayer.stop();

  if (focusHelper != null) {
      focusHelper.abandonFocus();
  }

  // call the super method
  super.onStop();
    }
}

Java Source Code List

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