samples/styled/src/com/actionbarsherlock/sample/styled/MainActivity.java

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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 com.actionbarsherlock.sample.styled;

import android.os.Bundle;
import android.os.Handler;
import android.support.v4.app.FragmentTransaction;
import android.widget.ArrayAdapter;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.nineoldandroids.animation.ObjectAnimator;

import static com.actionbarsherlock.app.ActionBar.OnNavigationListener;
import static com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener;

public class MainActivity extends SherlockFragmentActivity implements ActionBar.TabListener {

    private final Handler handler = new Handler();
    private RoundedColourFragment leftFrag;
    private RoundedColourFragment rightFrag;
    private boolean useLogo = false;
    private boolean showHomeUp = false;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final ActionBar ab = getSupportActionBar();

        // set defaults for logo & home up
        ab.setDisplayHomeAsUpEnabled(showHomeUp);
        ab.setDisplayUseLogoEnabled(useLogo);

        // set up tabs nav
        for (int i = 1; i < 4; i++) {
            ab.addTab(ab.newTab().setText("Tab " + i).setTabListener(this));
        }

        // set up list nav
        ab.setListNavigationCallbacks(ArrayAdapter
                .createFromResource(this, R.array.sections,
                        R.layout.sherlock_spinner_dropdown_item),
                new OnNavigationListener() {
                    public boolean onNavigationItemSelected(int itemPosition,
                            long itemId) {
                        // FIXME add proper implementation
                        rotateLeftFrag();
                        return false;
                    }
                });

        // default to tab navigation
        showTabsNav();

        // create a couple of simple fragments as placeholders
        final int MARGIN = 16;
        leftFrag = new RoundedColourFragment(getResources().getColor(
                R.color.android_green), 1f, MARGIN, MARGIN / 2, MARGIN, MARGIN);
        rightFrag = new RoundedColourFragment(getResources().getColor(
                R.color.honeycombish_blue), 2f, MARGIN / 2, MARGIN, MARGIN,
                MARGIN);

        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        ft.add(R.id.root, leftFrag);
        ft.add(R.id.root, rightFrag);
        ft.commit();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getSupportMenuInflater().inflate(R.menu.main_menu, menu);

        // set up a listener for the refresh item
        final MenuItem refresh = (MenuItem) menu.findItem(R.id.menu_refresh);
        refresh.setOnMenuItemClickListener(new OnMenuItemClickListener() {
            // on selecting show progress spinner for 1s
            public boolean onMenuItemClick(MenuItem item) {
                // item.setActionView(R.layout.progress_action);
                handler.postDelayed(new Runnable() {
                    public void run() {
                        refresh.setActionView(null);
                    }
                }, 1000);
                return false;
            }
        });
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            // TODO handle clicking the app icon/logo
            return false;
        case R.id.menu_refresh:
            // switch to a progress animation
            item.setActionView(R.layout.indeterminate_progress_action);
            return true;
        case R.id.menu_both:
            // rotation animation of green fragment
            rotateLeftFrag();
            return true;
        case R.id.menu_text:
            // alpha animation of blue fragment
            ObjectAnimator alpha = ObjectAnimator.ofFloat(rightFrag.getView(),
                    "alpha", 1f, 0f);
            alpha.setRepeatMode(ObjectAnimator.REVERSE);
            alpha.setRepeatCount(1);
            alpha.setDuration(800);
            alpha.start();
            return true;
        case R.id.menu_logo:
            useLogo = !useLogo;
            item.setChecked(useLogo);
            getSupportActionBar().setDisplayUseLogoEnabled(useLogo);
            return true;
        case R.id.menu_up:
            showHomeUp = !showHomeUp;
            item.setChecked(showHomeUp);
            getSupportActionBar().setDisplayHomeAsUpEnabled(showHomeUp);
            return true;
        case R.id.menu_nav_tabs:
            item.setChecked(true);
            showTabsNav();
            return true;
        case R.id.menu_nav_label:
            item.setChecked(true);
            showStandardNav();
            return true;
        case R.id.menu_nav_drop_down:
            item.setChecked(true);
            showDropDownNav();
            return true;
        case R.id.menu_bak_none:
            item.setChecked(true);
            getSupportActionBar().setBackgroundDrawable(null);
            return true;
        case R.id.menu_bak_gradient:
            item.setChecked(true);
            getSupportActionBar().setBackgroundDrawable(getResources().getDrawable(R.drawable.ad_action_bar_gradient_bak));
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    private void rotateLeftFrag() {
        if (leftFrag != null) {
            ObjectAnimator.ofFloat(leftFrag.getView(), "rotationY", 0, 180)
                    .setDuration(500).start();
        }
    }

    private void showStandardNav() {
        ActionBar ab = getSupportActionBar();
        if (ab.getNavigationMode() != ActionBar.NAVIGATION_MODE_STANDARD) {
            ab.setDisplayShowTitleEnabled(true);
            ab.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        }
    }

    private void showDropDownNav() {
        ActionBar ab = getSupportActionBar();
        if (ab.getNavigationMode() != ActionBar.NAVIGATION_MODE_LIST) {
            ab.setDisplayShowTitleEnabled(false);
            ab.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
        }
    }

    private void showTabsNav() {
        ActionBar ab = getSupportActionBar();
        if (ab.getNavigationMode() != ActionBar.NAVIGATION_MODE_TABS) {
            ab.setDisplayShowTitleEnabled(false);
            ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        }
    }

    public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
        // FIXME add a proper implementation, for now just rotate the left
        // fragment
        rotateLeftFrag();
    }

    public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
        // FIXME implement this
    }

    public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
        // FIXME implement this
    }

}