Android Open Source - android-compat-actionbar Action Bar Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2011 The Android Open Source Project
 *//  w w w . j a  v  a 2 s  . co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.actionbar;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;

/**
 * A base activity that defers common functionality across app activities to an {@link ActionBarHelper}. NOTE:
 * dynamically marking menu items as invisible/visible is not currently supported.
 * <p>
 * NOTE: this may used with the Android Compatibility Package by extending android.support.v4.app.FragmentActivity
 * instead of {@link Activity}.
 * </p>
 */
public abstract class ActionBarActivity extends Activity
{
        final ActionBarHelper mActionBarHelper = ActionBarHelper.createInstance ( this );

        /**
         * Returns the {@link ActionBarHelper} for this activity.
         */
        protected ActionBarHelper getActionBarHelper ()
        {
                return this.mActionBarHelper;
        }

        /** {@inheritDoc} */
        @Override
        public MenuInflater getMenuInflater ()
        {
                return this.mActionBarHelper.getMenuInflater ( super.getMenuInflater () );
        }

        /** {@inheritDoc} */
        @Override
        protected void onCreate ( Bundle savedInstanceState )
        {
                super.onCreate ( savedInstanceState );
                this.mActionBarHelper.onCreate ( savedInstanceState );
        }

        /** {@inheritDoc} */
        @Override
        protected void onPostCreate ( Bundle savedInstanceState )
        {
                super.onPostCreate ( savedInstanceState );
                this.mActionBarHelper.onPostCreate ( savedInstanceState );
        }

        /**
         * Base action bar-aware implementation for {@link Activity#onCreateOptionsMenu(android.view.Menu)}. Note:
         * marking menu items as invisible/visible is not currently supported.
         */
        @Override
        public boolean onCreateOptionsMenu ( Menu menu )
        {
                boolean retValue = false;
                retValue |= this.mActionBarHelper.onCreateOptionsMenu ( menu );
                retValue |= super.onCreateOptionsMenu ( menu );
                return retValue;
        }

        /** {@inheritDoc} */
        @Override
        protected void onTitleChanged ( CharSequence title, int color )
        {
                this.mActionBarHelper.onTitleChanged ( title, color );
                super.onTitleChanged ( title, color );
        }
}

Java Source Code List

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