com.f2prateek.xkcd.ui.base.BaseActivity.java Source code

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Here is the source code for com.f2prateek.xkcd.ui.base.BaseActivity.java

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/*
 * Copyright 2013 Prateek Srivastava (@f2prateek)
 *
 * 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.f2prateek.xkcd.ui.base;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;
import android.view.Window;
import butterknife.Views;
import com.f2prateek.xkcd.XKCDApplication;
import com.squareup.otto.Bus;
import javax.inject.Inject;

/**
 * A Base {@link android.app.Activity} that injects itself into the {@link
 * dagger.ObjectGraph} and performs view injection
 */
public abstract class BaseActivity extends Activity {

    @Inject
    Bus bus;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Perform injection so that when this call returns all dependencies will be available for use.
        ((XKCDApplication) getApplication()).inject(this);

        // All activities will require this
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    }

    @Override
    public void setContentView(int layoutResID) {
        super.setContentView(layoutResID);
        // Perform "view injection"
        Views.inject(this);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        // Respond to the action bar's Up/Home button
        case android.R.id.home:
            NavUtils.navigateUpFromSameTask(this);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onResume() {
        super.onResume();
        bus.register(this);
    }

    @Override
    protected void onPause() {
        bus.unregister(this);
        super.onPause();
    }
}