Android Open Source - ACG Antonius Activity

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License

The source code is released under:

Dit werk (de broncode) mag niet gekopieerd of aangepast worden voor enig doel zonder het contacteren van de maker. Voor vragen of opmerkingen, neem contact op met Bas Verhoog.

Java Source Code

package bas.sie.Antonius;
/*from ww w.  j  a  v  a  2  s.com*/
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.View;
import android.webkit.WebView;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

public class AntoniusActivity extends SherlockFragmentActivity {

  private ViewPager mViewPager;
  private TabsAdapter mTabsAdapter;
  ActionBar actionBar;
  WebView mWebView;
  AlertDialog alertDialog;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mViewPager = new ViewPager(this);
    mViewPager.setId(R.id.pager);
    setContentView(mViewPager);
    actionBar = getSupportActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    mTabsAdapter = new TabsAdapter(this, mViewPager);
    mTabsAdapter.addTab(actionBar.newTab().setText("Links"),
        External.class, null);
    mTabsAdapter.addTab(actionBar.newTab().setText("Roosters"), Home.class,
        null);
    mTabsAdapter.addTab(actionBar.newTab().setText("Contact"),
        Contact.class, null);
    actionBar.setSelectedNavigationItem(1);

    /*
     * BitmapDrawable bg = (BitmapDrawable) getResources().getDrawable(
     * R.drawable.bg_striped); bg.setTileModeXY(TileMode.REPEAT,
     * TileMode.REPEAT); getSupportActionBar().setBackgroundDrawable(bg);
     */

    final ConnectivityManager conMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    final NetworkInfo activeNetwork = conMgr.getActiveNetworkInfo();
    if (activeNetwork != null
        && activeNetwork.getState() == NetworkInfo.State.CONNECTED) {

    } else {
      new AlertDialog.Builder(this)
          .setTitle("Internetverbinding")
          .setMessage("Internet is niet actief. Doorgaan?")
          .setPositiveButton("Ja",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog,
                    int which) {
                  Log.d("AlertDialog", "Positive");
                }
              })
          .setNegativeButton("Nee",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog,
                    int which) {
                  System.exit(0);
                  Log.d("AlertDialog", "Negative");
                }
              })
      .show();
    }

  ChangeLog cl = new ChangeLog(this);
    if (cl.firstRun())
    cl.getFullLogDialog().show();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getSupportMenuInflater();
    inflater.inflate(R.menu.menu, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.settings: // Settings item
      Intent i = new Intent(this, Settings.class); // Start Settings.java
                              // Activity
      startActivity(i);
      return true;

    case R.id.about: // About item
      Intent about = new Intent(this, About.class); // Start About.java
                              // Activity
      startActivity(about);
      return true;

    default:
      return super.onOptionsItemSelected(item);
    }
  }

  public void onBackPressed() {
    System.exit(0);
  }

  public class TabsAdapter extends FragmentPagerAdapter implements
      ActionBar.TabListener, ViewPager.OnPageChangeListener {
    private final Context mContext;
    private final ActionBar mActionBar;
    private final ViewPager mViewPager;
    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();

    final class TabInfo {
      private final Class<?> clss;
      private final Bundle args;

      TabInfo(Class<?> _class, Bundle _args) {
        clss = _class;
        args = _args;
      }
    }

    /*
     * Constructor method that adds a TabsAdapter to each tab that is
     * created. It also adds the ViewPager to each tab so that the user can
     * swipe to change tabs.
     */
    public TabsAdapter(SherlockFragmentActivity activity, ViewPager pager) {
      super(activity.getSupportFragmentManager());
      mContext = activity;
      mActionBar = activity.getSupportActionBar();
      mViewPager = pager;
      mViewPager.setAdapter(this);
      mViewPager.setOnPageChangeListener(this);
    }

    /*
     * A fairly simple method that sets the TabInfo for each tab so that the
     * TabsAdapter knows which class the tab that is being added actually
     * belonds to. It also updates the UI interface when each tab is added.
     */
    public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
      TabInfo info = new TabInfo(clss, args);
      tab.setTag(info);
      tab.setTabListener(this);
      mTabs.add(info);
      mActionBar.addTab(tab);
      notifyDataSetChanged();
    }

    public int getCount() {
      return mTabs.size();
    }

    /*
     * A method that is used in other classes to allow each tab Fragment to
     * access its inherited methods from a mother-class, in this case,
     * SherlockFragment
     */
    public Fragment getItem(int position) {
      TabInfo info = mTabs.get(position);
      return Fragment.instantiate(mContext, info.clss.getName(),
          info.args);
    }

    /*
     * This method reads the user's selection for a new tab and sets that
     * tab as the new current focus.
     */
    public void onPageSelected(int position) {
      mActionBar.setSelectedNavigationItem(position);

      selectInSpinnerIfPresent(position, true);
    }

    private void selectInSpinnerIfPresent(int position, boolean animate) {
      try {
        View actionBarView = findViewById(R.id.abs__action_bar);
        if (actionBarView == null) {
          int id = getResources().getIdentifier("action_bar", "id",
              "android");
          actionBarView = findViewById(id);
        }

        Class<?> actionBarViewClass = actionBarView.getClass();
        Field mTabScrollViewField = actionBarViewClass
            .getDeclaredField("mTabScrollView");
        mTabScrollViewField.setAccessible(true);

        Object mTabScrollView = mTabScrollViewField.get(actionBarView);
        if (mTabScrollView == null) {
          return;
        }

        Field mTabSpinnerField = mTabScrollView.getClass()
            .getDeclaredField("mTabSpinner");
        mTabSpinnerField.setAccessible(true);

        Object mTabSpinner = mTabSpinnerField.get(mTabScrollView);
        if (mTabSpinner == null) {
          return;
        }

        Method setSelectionMethod = mTabSpinner
            .getClass()
            .getSuperclass()
            .getDeclaredMethod("setSelection", Integer.TYPE,
                Boolean.TYPE);
        setSelectionMethod.invoke(mTabSpinner, position, animate);

      } catch (IllegalArgumentException e) {
        e.printStackTrace();
      } catch (IllegalAccessException e) {
        e.printStackTrace();
      } catch (NoSuchFieldException e) {
        e.printStackTrace();
      } catch (NoSuchMethodException e) {
        e.printStackTrace();
      } catch (InvocationTargetException e) {
        e.printStackTrace();
      }
    }

    public void onPageScrollStateChanged(int state) {
    }

    public void onPageScrolled(int position, float positionOffset,
        int positionOffsetPixels) {
    }

    /*
     * This is the method that actually draws the newest tab onto the screen
     * when it is selected.
     */
    public void onTabSelected(Tab tab, FragmentTransaction ft) {
      mViewPager.setCurrentItem(tab.getPosition());
      Object tag = tab.getTag();
      for (int i = 0; i < mTabs.size(); i++) {
        if (mTabs.get(i) == tag) {
          mViewPager.setCurrentItem(i);
        }
      }
    }

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

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

    public void onTabReselected(Tab tab, android.app.FragmentTransaction ft) {
    }

    public void onTabUnselected(Tab tab, android.app.FragmentTransaction ft) {
    }
  }

}

Java Source Code List

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