BaseActivity.java

/*
 * Copyright (c) 2015 PocketHub
 *
 * 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.github.pockethub.android.ui;

import android.os.Bundle;
import android.os.Parcelable;
import android.support.annotation.CallSuper;

import com.github.pockethub.android.ui.roboactivities.RoboAppCompatActivity;
import com.trello.rxlifecycle2.LifecycleProvider;
import com.trello.rxlifecycle2.LifecycleTransformer;
import com.trello.rxlifecycle2.RxLifecycle;
import com.trello.rxlifecycle2.android.ActivityEvent;
import com.trello.rxlifecycle2.android.RxLifecycleAndroid;

import io.reactivex.Observable;
import io.reactivex.subjects.BehaviorSubject;

/**
 * Activity that display dialogs
 */
public abstract class BaseActivity extends
        RoboAppCompatActivity implements DialogResultListener, LifecycleProvider<ActivityEvent> {

    private final BehaviorSubject<ActivityEvent> lifecycleSubject = BehaviorSubject.create();

    @CallSuper
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        lifecycleSubject.onNext(ActivityEvent.CREATE);
    }


    @Override
    public final Observable<ActivityEvent> lifecycle() {
        return lifecycleSubject;
    }

    @Override
    public final <T> LifecycleTransformer<T> bindUntilEvent(ActivityEvent event) {
        return RxLifecycle.bindUntilEvent(lifecycleSubject, event);
    }

    @Override
    public final <T> LifecycleTransformer<T> bindToLifecycle() {
        return RxLifecycleAndroid.bindActivity(lifecycleSubject);
    }

    @Override
    @CallSuper
    protected void onStart() {
        super.onStart();
        lifecycleSubject.onNext(ActivityEvent.START);
    }

    @Override
    @CallSuper
    protected void onResume() {
        super.onResume();
        lifecycleSubject.onNext(ActivityEvent.RESUME);
    }

    @Override
    @CallSuper
    protected void onPause() {
        lifecycleSubject.onNext(ActivityEvent.PAUSE);
        super.onPause();
    }

    @Override
    @CallSuper
    protected void onStop() {
        lifecycleSubject.onNext(ActivityEvent.STOP);
        super.onStop();
    }

    @Override
    @CallSuper
    protected void onDestroy() {
        lifecycleSubject.onNext(ActivityEvent.DESTROY);
        super.onDestroy();
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return parcelable
     */
    @SuppressWarnings("unchecked")
    protected <V extends Parcelable> V getParcelableExtra(final String name) {
        return (V) getIntent().getParcelableExtra(name);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return int
     */
    protected int getIntExtra(final String name) {
        return getIntent().getIntExtra(name, -1);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return int array
     */
    protected int[] getIntArrayExtra(final String name) {
        return getIntent().getIntArrayExtra(name);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return boolean array
     */
    protected boolean[] getBooleanArrayExtra(final String name) {
        return getIntent().getBooleanArrayExtra(name);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return string
     */
    protected String getStringExtra(final String name) {
        return getIntent().getStringExtra(name);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return string array
     */
    protected String[] getStringArrayExtra(final String name) {
        return getIntent().getStringArrayExtra(name);
    }

    /**
     * Get intent extra
     *
     * @param name
     * @return char sequence array
     */
    protected CharSequence[] getCharSequenceArrayExtra(final String name) {
        return getIntent().getCharSequenceArrayExtra(name);
    }

    @Override
    public void onDialogResult(int requestCode, int resultCode, Bundle arguments) {
        // Intentionally left blank
    }
}