Aegis/app/src/main/java/me/impy/aegis/ui/AegisActivity.java

package me.impy.aegis.ui;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.WindowManager;

import me.impy.aegis.AegisApplication;
import me.impy.aegis.Preferences;

public abstract class AegisActivity extends AppCompatActivity {
    private AegisApplication _app;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        _app = (AegisApplication) getApplication();

        // set FLAG_SECURE on the window of every AegisActivity
        if (getPreferences().isSecureScreenEnabled()) {
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
        }

        // set the theme
        setPreferredTheme(getPreferences().isDarkModeEnabled());
    }

    protected AegisApplication getApp() {
        return _app;
    }

    protected Preferences getPreferences() {
        return _app.getPreferences();
    }

    protected abstract void setPreferredTheme(boolean darkMode);
}