Android Open Source - Android-Apps Main Activity

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License

The source code is released under:
Apache License
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Java Source Code

package com.kniezrec.voiceremote2;
/*from   w  w w.  jav a2 s  . c om*/
import com.kniezrec.voiceremote2.R;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Vibrator;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.WindowManager;

public class MainActivity extends FragmentActivity implements
    ActionBar.TabListener {

  public static final int VOICE_RECOGNITION_REQUEST_CODE = 1001;
  public static final String PREFS_SERVER_HOST_KEY = "serverHost";
  public static final String PREFS_TIMEOUT = "5";
  public static final String PREFS_SERVER_HOST_DEFAULT = "Please change the IP address in settings";
  public static final String PREFS_SERVER_PORT_KEY = "serverPort";
  public static final String PREFS_SERVER_PORT_DEFAULT = "2345";
  public static final String PREFS_SENDER_FACTORY_KEY = "keyCodeSenderFactory";
  public static final String PREFS_LANGUAGE = "LanguageSet";
  public static final String PREFS_TIMEOUT_KEY = "timeoutSec";
  public static final String PREFS_PAUSE_KEY = "pauseSec";
  public static final String PREFS_FAVOURITES = "favr";
  public static final String PREFS_TO_LOUD_KEY = "toLoudKeys";
  public static final String PREFS_TO_QUIET_KEY = "toQuietKey";
  public static final String PREFS_SENDER_FACTORY_DEFAULT = CSeriesKeyCodeSenderFactory.class
      .getCanonicalName();

  private static ListActionsFragment listActionsFragment;
  private static MainFragment mainFragment;
  ViewPager mViewPager;
  static String[] arrTabs;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    setContentView(R.layout.activity_fragment_main);
    final AppSectionsPagerAdapter mAppSectionsPagerAdapter = new AppSectionsPagerAdapter(
        getSupportFragmentManager());

    final ActionBar actionBar = getActionBar();
    // /actionBar.setDisplayShowHomeEnabled(false);
    // actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    actionBar.hide();

    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mAppSectionsPagerAdapter);
    mViewPager
        .setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
          @Override
          public void onPageSelected(int position) {
            actionBar.setSelectedNavigationItem(position);
          }
        });

    arrTabs = getResources().getStringArray(R.array.tabs);
    for (int i = 0; i < mAppSectionsPagerAdapter.getCount(); i++) {
      actionBar.addTab(actionBar.newTab()
          .setText(mAppSectionsPagerAdapter.getPageTitle(i))
          .setTabListener(this));
    }
    actionBar.setSelectedNavigationItem(1);
    // create fragments to use
    if (savedInstanceState != null) {
      mainFragment = (MainFragment) getSupportFragmentManager()
          .getFragment(savedInstanceState,
              MainFragment.class.getName());
      listActionsFragment = (ListActionsFragment) getSupportFragmentManager()
          .getFragment(savedInstanceState,
              ListActionsFragment.class.getName());
    } else {
      mainFragment = null;
      listActionsFragment = null;
    }
  }

  @Override
  public void onTabUnselected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
  }

  @Override
  public void onTabSelected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
    mViewPager.setCurrentItem(tab.getPosition());
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.activity_main, menu);
    return true;
  }

  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle item selection
    Intent intent;
    switch (item.getItemId()) {
    case R.id.help:
      getActionBar().setSelectedNavigationItem(3);
      return true;

    case R.id.menu_settings:
      intent = new Intent(this, SettingsActivity.class);
      startActivity(intent);
      this.overridePendingTransition(R.anim.slide_x, R.anim.slidebackx);
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  public void onTabReselected(ActionBar.Tab tab,
      FragmentTransaction fragmentTransaction) {
  }

  public static class AppSectionsPagerAdapter extends FragmentPagerAdapter {

    public AppSectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }

    @Override
    public Fragment getItem(int i) {
      switch (i) {
      case 0:
        return new CommandsFragment();
      case 1: {
        mainFragment = null;
        mainFragment = new MainFragment();
        return mainFragment;
      }
      case 2: {
        listActionsFragment = new ListActionsFragment();
        return listActionsFragment;
      }
      case 3:
        return new HelpFragment();
      default:
        return new MainFragment();
      }
    }

    @Override
    public int getCount() {
      return 4;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      return arrTabs[position];
    }
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {

    super.onSaveInstanceState(outState);
    getSupportFragmentManager().putFragment(outState,
        MainFragment.class.getName(), mainFragment);
    getSupportFragmentManager().putFragment(outState,
        ListActionsFragment.class.getName(), listActionsFragment);
  }

  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK) {
      if (mainFragment != null && mainFragment.isListening) {
        mainFragment.StopListening();
      } else {
        Log.v("", Boolean.toString(mainFragment.isListening));
        super.onBackPressed();
      }
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }

  public void refreshList() {
    if (listActionsFragment != null) {
      listActionsFragment.onResume();
    }
  }

  public static void vibrate(Context context, long millis) {
    if (millis == 0)
      return;
    Vibrator v = (Vibrator) context
        .getSystemService(Context.VIBRATOR_SERVICE);
    if (v != null) {
      v.vibrate(millis);
    }
  }
}
Java Source Code List
