Android Open Source - tdpforce Tdp Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package org.telugudesam.cadre.activity;
//from   ww  w .  j a  va 2  s.  c om
import java.util.List;

import org.telugudesam.cadre.Config;
import org.telugudesam.cadre.R;
import org.telugudesam.cadre.database.DbUtils;
import org.telugudesam.cadre.fragments.DevelopmentCardsFragment;
import org.telugudesam.cadre.objects.Events;
import org.telugudesam.cadre.util.L;

import android.app.ActionBar;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.Gravity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import android.widget.Toast;

import com.crashlytics.android.Crashlytics;
import com.parse.FindCallback;
import com.parse.ParseAnalytics;
import com.parse.ParseException;
import com.parse.ParseObject;
import com.parse.ParseQuery;

import de.greenrobot.event.EventBus;
import de.keyboardsurfer.android.widget.crouton.Crouton;
import de.keyboardsurfer.android.widget.crouton.Style;

public class TdpMainActivity extends BaseTdpActivity implements
    ActionBar.OnNavigationListener {

  private static final int FETCH_SIZE = 1000;
  /**
   * The serialization (saved instance state) Bundle key representing the
   * current dropdown position.
   */
  private static final String STATE_SELECTED_NAVIGATION_ITEM = "selected_navigation_item";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Crashlytics.start(this);
    ParseAnalytics.trackAppOpened(getIntent());
    setContentView(R.layout.activity_tdp_main);
    getActionBar().setDisplayHomeAsUpEnabled(false);

    // Set up the action bar to show a dropdown list.
    final ActionBar actionBar = getActionBar();
    actionBar.setDisplayShowTitleEnabled(false);
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);

    // Set up the dropdown list navigation in the action bar.
    actionBar.setListNavigationCallbacks(
    // Specify a SpinnerAdapter to populate the dropdown list.
        new ArrayAdapter<String>(actionBar.getThemedContext(),
            android.R.layout.simple_list_item_1,
            android.R.id.text1, getResources().getStringArray(
                R.array.section_headings)), this);
    triggerCardsFetch();
  }

  private void triggerCardsFetch() {
    L.d("triggerCardsFetch");
    ParseQuery<ParseObject> query = ParseQuery.getQuery("DevelopmentCard");
    query.whereGreaterThan("updatedAt",
        DbUtils.getLatestDevCardRecordUpdatedAt());
    query.orderByAscending("updatedAt");
    query.setLimit(FETCH_SIZE);
    query.findInBackground(new FindCallback<ParseObject>() {

      @Override
      public void done(List<ParseObject> list, ParseException exception) {
        L.print(exception);
        if (exception == null) {
          if (list.size() > 0) {
            DbUtils.persistDevCards(list);
            EventBus.getDefault().post(new Events.RefreshCards());
            showNotification(list.size()
                + " new cards have been downloaded or updated");
          } else {
            showNotification("No new cards found");
          }
          if (list.size() == FETCH_SIZE) {
            triggerCardsFetch();
          }
        }

      }
    });
  }

  private void showNotification(String msg) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      Toast toast = Toast.makeText(this, "    " + msg + "    ",
          Toast.LENGTH_LONG);
      TextView view = (TextView) toast.getView().findViewById(
          android.R.id.message);
      view.setGravity(Gravity.CENTER);
      toast.show();
    } else {
      Crouton.makeText(TdpMainActivity.this, msg, Style.INFO).show();
    }
  }

  @Override
  public void onRestoreInstanceState(Bundle savedInstanceState) {
    // Restore the previously serialized current dropdown position.
    if (savedInstanceState.containsKey(STATE_SELECTED_NAVIGATION_ITEM)) {
      getActionBar().setSelectedNavigationItem(
          savedInstanceState.getInt(STATE_SELECTED_NAVIGATION_ITEM));
    }
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    // Serialize the current dropdown position.
    outState.putInt(STATE_SELECTED_NAVIGATION_ITEM, getActionBar()
        .getSelectedNavigationIndex());
  }

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == R.id.action_counter) {
      launchCountDownActivity();
      return true;
    } else if (item.getItemId() == android.R.id.home) {
      return false;
    } else if (item.getItemId() == R.id.action_refresh) {
      triggerCardsFetch();
      return true;
    } else if (item.getItemId() == R.id.action_contact_us) {
      launchEmailClient();
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  private void launchEmailClient() {
    /* Create the Intent */
    final Intent emailIntent = new Intent(
        android.content.Intent.ACTION_SEND);

    /* Fill it with Data */
    emailIntent.setType("plain/text");
    emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL,
        new String[] { Config.CONTACT_US_EMAIL });
    emailIntent.putExtra(android.content.Intent.EXTRA_SUBJECT,
        "Feedback on " + getAppName());

    /* Send it off to the Activity-Chooser */
    try {
      startActivity(Intent.createChooser(emailIntent, "Send mail..."));
    } catch (Exception e) {
    }

  }

  private String getAppName() {
    final PackageManager pm = getApplicationContext().getPackageManager();
    ApplicationInfo ai;
    try {
      ai = pm.getApplicationInfo(this.getPackageName(), 0);
    } catch (final NameNotFoundException e) {
      ai = null;
    }
    final String applicationName = (String) (ai != null ? pm
        .getApplicationLabel(ai) : "(unknown)");
    return applicationName;
  }

  private void launchCountDownActivity() {
    startActivity(new Intent(this, ConversionCounterActivity.class));
  }

  @Override
  public boolean onNavigationItemSelected(int position, long id) {
    // When the given dropdown item is selected, show its contents in the
    // container view.
    Fragment fragment = new DevelopmentCardsFragment();
    Bundle args = new Bundle();
    args.putInt(DevelopmentCardsFragment.ARG_SECTION_NUMBER, position);
    fragment.setArguments(args);
    getSupportFragmentManager().beginTransaction()
        .replace(R.id.layout_content, fragment).commit();
    return true;
  }

}

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