Android Open Source - openxcKPL Overview Activity

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License

The source code is released under:

Copyright (c) 2012 Ford Motor Company All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...

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Java Source Code

package com.ford.openxc.kpl;
/*  ww w .  j  a  v  a2 s. c  o  m*/
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;
import android.view.KeyEvent;

import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.ford.openxc.kpl.R;

public class OverviewActivity extends SherlockFragmentActivity {
  private static final String TAG = "OverviewActivity";
  private ActionBar mActionBar;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Log.i(TAG, "Created OverviewActivity");
    setContentView(R.layout.overview);

    mActionBar = getSupportActionBar();
    mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    mActionBar.setDisplayOptions(0, ActionBar.DISPLAY_SHOW_TITLE);

    mActionBar.addTab(mActionBar.newTab().setText("Per Trip")
        .setTag(Timeframe.PER_TRIP).setTabListener(mTabListener));
    mActionBar.addTab(mActionBar.newTab().setText("Daily")
        .setTag(Timeframe.DAILY).setTabListener(mTabListener));
    mActionBar.addTab(mActionBar.newTab().setText("Weekly")
        .setTag(Timeframe.WEEKLY).setTabListener(mTabListener));
    mActionBar.addTab(mActionBar.newTab().setText("Monthly")
        .setTag(Timeframe.MONTHLY).setTabListener(mTabListener));

    if (savedInstanceState != null) {
      mActionBar.setSelectedNavigationItem(savedInstanceState.getInt(
          "tab", 0));
    }
  }

  @Override
  public boolean dispatchKeyEvent(KeyEvent event) {
    // We need to intercept every event that goes with the KEYCODE we're
    // looking for.
    // Stopping some events and letting others through creates funky
    // behavior.
    int currentSelection = mActionBar.getSelectedNavigationIndex();
    switch (event.getKeyCode()) {
    case KeyEvent.KEYCODE_DPAD_RIGHT:
      if (event.getAction() == KeyEvent.ACTION_UP) {
        Log.i(TAG, "Dpad right, key up.");
        if ((currentSelection >= 0) && (currentSelection <= 2)) {
          mActionBar.setSelectedNavigationItem(currentSelection + 1);
        }
      }
      return true;
    case KeyEvent.KEYCODE_DPAD_LEFT:
      if (event.getAction() == KeyEvent.ACTION_UP) {
        Log.i(TAG, "Dpad left, key up.");
        if ((currentSelection >= 1) && (currentSelection <= 3)) {
          mActionBar.setSelectedNavigationItem(currentSelection - 1);
        } else if (currentSelection == 0) {
          finish();
        }
      }
      return true;
    case KeyEvent.KEYCODE_DPAD_UP:
      if (event.getAction() == KeyEvent.ACTION_UP) {
        startActivity(new Intent(this, KPLActivity.class));
      }
      return true;
    }
    return super.dispatchKeyEvent(event);
  }

  private ActionBar.TabListener mTabListener = new ActionBar.TabListener() {
    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
      HistoricalChartFragment fragment = (HistoricalChartFragment) getSupportFragmentManager()
          .findFragmentById(R.id.historical_kpl_chart_fragment);
      fragment.setTimeframe((Timeframe) tab.getTag());

      fragment = (HistoricalChartFragment) getSupportFragmentManager()
          .findFragmentById(R.id.historical_fuel_chart_fragment);
      fragment.setTimeframe((Timeframe) tab.getTag());
    }

    @Override
    public void onTabUnselected(Tab tab, FragmentTransaction ft) {
    }

    @Override
    public void onTabReselected(Tab tab, FragmentTransaction ft) {
    }
  };
}

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