Magisk/app/src/main/java/com/topjohnwu/magisk/SplashActivity.java

package com.topjohnwu.magisk;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v7.app.AppCompatActivity;

import com.topjohnwu.magisk.services.MonitorService;
import com.topjohnwu.magisk.utils.Async;
import com.topjohnwu.magisk.utils.Logger;
import com.topjohnwu.magisk.utils.Shell;
import com.topjohnwu.magisk.utils.Utils;

import java.io.File;
import java.util.HashSet;
import java.util.Set;

public class SplashActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {

        SharedPreferences defaultPrefs = PreferenceManager.getDefaultSharedPreferences(getApplication());

        if (defaultPrefs.getString("theme","").equals("Dark")) {
            setTheme(R.style.AppTheme_dh);
        }
        super.onCreate(savedInstanceState);

        //setups go here

        // Set up default preferences,make sure we add "extra" blacklist entries.
        PreferenceManager.setDefaultValues(this, R.xml.defaultpref, false);


        if (!defaultPrefs.contains("auto_blacklist")) {
            Logger.dh("AutoRootFragment: Setting default preferences for application");
            SharedPreferences.Editor editor = defaultPrefs.edit();
            Set<String> set = new HashSet<>();
            set.add("com.google.android.apps.walletnfcrel");
            set.add("com.google.android.gms");
            set.add("com.google.commerce.tapandpay");
            editor.putStringSet("auto_blacklist", set);
            editor.apply();
        }

        // Set up toggle states based on preferences, start services, disable root if set
        if (Utils.autoToggleEnabled(getApplicationContext())) {
            if (!Utils.hasServicePermission(getApplicationContext())) {
                Utils.toggleAutoRoot(false, getApplicationContext());
            }
            if (!Utils.isMyServiceRunning(MonitorService.class, getApplicationContext())) {
                Intent myIntent = new Intent(getApplication(), MonitorService.class);
                getApplication().startService(myIntent);
            }
        } else if (defaultPrefs.getBoolean("keep_root_off", false)) {
            Utils.toggleRoot(false, getApplication());
        }

        // Set up quick settings tile
        if (defaultPrefs.getBoolean("enable_quicktile", false)) {
            Utils.SetupQuickSettingsTile(getApplicationContext());
        }

        // Initialize
        Utils.init(this);
        new Async.CheckUpdates(this).executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
        new Async.LoadModules(this).executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
        new Async.LoadRepos(this).executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
        new Async.BusyboxEnv(this).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);

        // Start main activity
        Intent intent = new Intent(this, MainActivity.class);
        startActivity(intent);

        finish();
    }
}