Android Open Source - introToDroid4ed Menu Activity

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.introtoandroid.simplelayout;
/* w w  w. ja  va 2  s  .c o  m*/

import android.app.Activity;
import android.content.Intent;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

public abstract class MenuActivity extends Activity {
    private static final String DEBUG_TAG = "MenuActivity";

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    getMenuInflater().inflate(R.menu.simple_layout, menu);

    setIntentOnMenuItem(menu, R.id.frame_menu_item, new Intent(this, FrameLayoutActivity.class));
    setIntentOnMenuItem(menu, R.id.relative_menu_item, new Intent(this, RelativeLayoutActivity.class));
    setIntentOnMenuItem(menu, R.id.linear_menu_item, new Intent(this, LinearLayoutActivity.class));
    setIntentOnMenuItem(menu, R.id.table_menu_item, new Intent(this, TableLayoutActivity.class));
    setIntentOnMenuItem(menu, R.id.grid_menu_item, new Intent(this, GridLayoutActivity.class));
    setIntentOnMenuItem(menu, R.id.multi_menu_item, new Intent(this, MultipleLayoutActivity.class));
    super.onCreateOptionsMenu(menu);
    return true;
  }


  private void setIntentOnMenuItem(Menu menu, int menuId,
        Intent intent) {
       MenuItem menuItem = menu.findItem(menuId);
       if (menuItem != null) {
           menuItem.setIntent(intent);
       } else {
           Log.w(DEBUG_TAG, "Warning: Can't find menu item: "+menuId);
       }
    }


    @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    startActivity(item.getIntent());
    
    super.onOptionsItemSelected(item);
    return true;
  }

}

Java Source Code List

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