Android Open Source - PactrackDroid Main Activity

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Back to project page PactrackDroid.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright (C) 2014 Joakim Andersson/* w w w  .  ja v a 2s .c  om*/
 * Copyright (C) 2014 blunden
 * 
 * This file is part of PactrackDroid, an Android application to keep
 * track of parcels sent with the Swedish mail service (Posten).
 * 
 * PactrackDroid 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 2 of the License, or
 * (at your option) any later version.
 * 
 * PactrackDroid 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 nu.firetech.android.pactrack.frontend;

import nu.firetech.android.pactrack.R;
import nu.firetech.android.pactrack.backend.ParcelDbAdapter;
import nu.firetech.android.pactrack.backend.Preferences;
import nu.firetech.android.pactrack.backend.ServiceStarter;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.ActionBarActivity;
import android.view.MenuItem;

public class MainActivity extends ActionBarActivity implements
    ParcelListFragment.ParentActivity, ParcelDetailsFragment.ParentActivity,
    ParcelIdDialog.ParentActivity {
  private final static String KEY_DISPLAY_OPT = "display_options";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main_window);

    // Start service if it isn't running (not entirely fool-proof, but works)
    if (ServiceStarter.getCurrentInterval() == -1) {
      ParcelDbAdapter dbAdapter = new ParcelDbAdapter(this);
      dbAdapter.open();
      ServiceStarter.startService(this, dbAdapter);
      dbAdapter.close();
    }

    // Using the single pane layout, set initial fragment.
    if (findViewById(R.id.fragment_container) != null && savedInstanceState == null) {
      ParcelListFragment firstFragment = new ParcelListFragment();
      firstFragment.setArguments(getIntent().getExtras());
      getSupportFragmentManager().beginTransaction()
      .add(R.id.fragment_container, firstFragment)
      .commit();
    }
    
    if (getIntent() != null) {
      onNewIntent(getIntent());
    }
  }
  
  @Override
  public void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    
    Bundle extras = (intent != null ? intent.getExtras() : null);
    if (extras != null) {
      if (extras.containsKey(ParcelDbAdapter.KEY_ROWID)) {
        showParcel(extras.getLong(ParcelDbAdapter.KEY_ROWID),
            extras.getBoolean(ParcelDetailsFragment.FORCE_REFRESH));
      }
    }
  }

  @Override
  protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putInt(KEY_DISPLAY_OPT, getSupportActionBar().getDisplayOptions());
  }


  @Override
  protected void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);
    int savedDisplayOpt = savedInstanceState.getInt(KEY_DISPLAY_OPT);
    if(savedDisplayOpt != 0){
      getSupportActionBar().setDisplayOptions(savedDisplayOpt);
    }
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
    case android.R.id.home:
      getSupportFragmentManager().popBackStack();
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void showAndRefreshParcel(long rowId) {
    showParcel(rowId, true);
  }

  @Override
  public void showParcel(long rowId, boolean forceRefresh) {
    FragmentManager manager = getSupportFragmentManager();
    
    if (manager.findFragmentById(R.id.details_frag) == null) {
      // First load of fragment or one pane layout
      ParcelDetailsFragment newFragment = new ParcelDetailsFragment();
      Bundle args = new Bundle();
      args.putLong(ParcelDbAdapter.KEY_ROWID, rowId);
      if (forceRefresh) {
        args.putBoolean(ParcelDetailsFragment.FORCE_REFRESH, true);
      }
      newFragment.setArguments(args);

      int viewId = R.id.details_frag;
      boolean fullscreen = false;
      if (findViewById(viewId) == null) {
        viewId = R.id.fragment_container;
        fullscreen = true;
        
        // Avoid duplicated parcels in back stack
        if (manager.findFragmentById(viewId) instanceof ParcelDetailsFragment &&
            ((ParcelDetailsFragment)manager.findFragmentById(viewId)).getCurrentRowId() == rowId) {
          manager.popBackStackImmediate();
        }
      }

      FragmentTransaction transaction = manager.beginTransaction();
      transaction.replace(viewId, newFragment);
      if (fullscreen) {
        transaction.addToBackStack(null);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
      }
      transaction.commit();
      
    } else {
      ParcelDetailsFragment fragment = (ParcelDetailsFragment)manager.findFragmentById(R.id.details_frag);
      fragment.switchParcel(rowId, forceRefresh);
    }

    if (findViewById(R.id.list_frag) != null) {
      ParcelListFragment list = (ParcelListFragment)manager.findFragmentById(R.id.list_frag);
      list.selectRowItem(rowId);
      if (forceRefresh) {
        list.refreshDone();
      }
    }
  }

  @Override
  public void onListResume() {
    getSupportActionBar().setDisplayHomeAsUpEnabled(false);
    setTitle(R.string.app_name);
  }

  @Override
  public void onCurrentParcelRemoved() {
    FragmentManager manager = getSupportFragmentManager();

    if (manager.findFragmentById(R.id.details_frag) != null) {
      FragmentTransaction transaction = manager.beginTransaction();
      transaction.remove(manager.findFragmentById(R.id.details_frag));
      transaction.commit();
    } else if (manager.getBackStackEntryCount() > 0) {
      manager.popBackStack();
    }

    if (manager.findFragmentById(R.id.list_frag) != null) {
      ParcelListFragment list = (ParcelListFragment)getSupportFragmentManager().findFragmentById(R.id.list_frag);
      list.selectRowItem(null);
      list.refreshDone();
    }
  }
  
  @Override
  public void onAutoUpdateChanged(long rowId, boolean value) {
    FragmentManager manager = getSupportFragmentManager();
    
    if (Preferences.getPreferences(this).getCheckInterval() == 0) {
      value = true;
    }
    
    for (Fragment f : manager.getFragments()) {
      if (f instanceof AutoUpdateIconContext) {
        ((AutoUpdateIconContext)f).onAutoUpdateChanged(rowId, value);
      }
    }
  }
}

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