ShortcutTrampolineActivity.java

package com.simplecity.amp_library.ui.activities;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;

import com.simplecity.amp_library.model.Playlist;
import com.simplecity.amp_library.playback.MusicService;
import com.simplecity.amp_library.utils.ShuttleUtils;

import rx.Observable;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;

public class ShortcutTrampolineActivity extends AppCompatActivity {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        final String action = getIntent().getAction();
        switch (action) {
            case MusicService.ShortcutCommands.PLAY:
            case MusicService.ShortcutCommands.SHUFFLE_ALL:
                Intent intent = new Intent(this, MusicService.class);
                intent.setAction(action);
                startService(intent);
                finish();
                break;
            case MusicService.ShortcutCommands.FOLDERS:
                intent = new Intent(this, MainActivity.class);
//                intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
                intent.setAction(action);
                startActivity(intent);
                finish();
                break;
            case MusicService.ShortcutCommands.PLAYLIST:
                intent = new Intent(this, MainActivity.class);
//                intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
                intent.setAction(action);
                Observable.fromCallable(Playlist::favoritesPlaylist)
                        .subscribeOn(Schedulers.io())
                        .observeOn(AndroidSchedulers.mainThread())
                        .subscribe(playlist -> {
                            intent.putExtra(ShuttleUtils.ARG_PLAYLIST, Playlist.favoritesPlaylist());
                            startActivity(intent);
                            finish();
                        });
                break;
        }
    }
}