com.nostra13.universalimageloader.sample.ui.activity.activity.ProductListActivity.java Source code

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Here is the source code for com.nostra13.universalimageloader.sample.ui.activity.activity.ProductListActivity.java

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/*******************************************************************************
 * Copyright 2014 Sergey Tarasevich
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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.nostra13.universalimageloader.sample.ui.activity.activity;

import android.app.FragmentTransaction;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.Menu;
import android.view.MenuItem;

import com.google.android.gms.plus.Plus;
import com.nostra13.universalimageloader.sample.Constants;
import com.nostra13.universalimageloader.sample.R;
import com.nostra13.universalimageloader.sample.fragment.ProductListFragment;

/**
 * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
 */
public class ProductListActivity extends FragmentActivity {

    private ProductListFragment mAdapter = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        displayListFragment(getFragmentManager().beginTransaction());
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main_menu, menu);
        return true;
    }

    private void displayListFragment(FragmentTransaction ft) {
        if (mAdapter == null) {
            mAdapter = new ProductListFragment();
        }
        ft.replace(android.R.id.content, mAdapter).commit();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.

        switch (item.getItemId()) {
        case R.id.item_logout:
            onSignOutClicked();
            return true;

        default:
            return super.onOptionsItemSelected(item);
        }

    }

    protected void onSignOutClicked() {
        // Clear the default account so that GoogleApiClient will not automatically
        // connect in the future.
        if (Constants.mGoogleApiClient.isConnected()) {
            Plus.AccountApi.clearDefaultAccount(Constants.mGoogleApiClient);
            Constants.mGoogleApiClient.disconnect();
        }

        finish();
    }

    @Override
    public void onBackPressed() {
        // Preventing user from back action
    }
}