de.grobox.liberario.activities.TransportrActivity.java Source code

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Here is the source code for de.grobox.liberario.activities.TransportrActivity.java

Source

/*    Transportr
 *    Copyright (C) 2013 - 2016 Torsten Grote
 *
 *    This program is Free Software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as
 *    published by the Free Software Foundation, either version 3 of the
 *    License, or (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.grobox.liberario.activities;

import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;

import java.util.Locale;

import de.grobox.liberario.AppComponent;
import de.grobox.liberario.R;
import de.grobox.liberario.TransportrApplication;
import de.grobox.liberario.settings.Preferences;

public abstract class TransportrActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        useLanguage(this);

        // Use current theme
        if (Preferences.darkThemeEnabled(this)) {
            setTheme(R.style.AppTheme);
        } else {
            setTheme(R.style.AppTheme_Light);
        }

        super.onCreate(savedInstanceState);
    }

    public AppComponent getComponent() {
        return ((TransportrApplication) getApplication()).getComponent();
    }

    /**
     * This should be called after the content view has been added in onCreate()
     *
     * @param ownLayout true if the custom toolbar brings its own layout
     * @return the Toolbar object or null if content view did not contain one
     */
    @Nullable
    protected Toolbar setUpCustomToolbar(boolean ownLayout) {
        // Custom Toolbar
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);
        ActionBar ab = getSupportActionBar();
        if (ab != null) {
            ab.setDisplayShowHomeEnabled(true);
            ab.setDisplayHomeAsUpEnabled(true);
            ab.setDisplayShowCustomEnabled(ownLayout);
            ab.setDisplayShowTitleEnabled(!ownLayout);
        }
        return toolbar;
    }

    protected boolean fragmentIsVisible(String tag) {
        Fragment fragment = getSupportFragmentManager().findFragmentByTag(tag);
        return fragment != null && fragment.isVisible();
    }

    protected static void useLanguage(Context context) {
        String lang = Preferences.getLanguage(context);
        if (!lang.equals(context.getString(R.string.pref_language_value_default))) {
            Locale locale;
            if (lang.contains("_")) {
                String[] lang_array = lang.split("_");
                locale = new Locale(lang_array[0], lang_array[1]);
            } else {
                locale = new Locale(lang);
            }
            Locale.setDefault(locale);
            Configuration config = context.getResources().getConfiguration();
            config.locale = locale;
            context.getResources().updateConfiguration(config, context.getResources().getDisplayMetrics());
        } else {
            // use default language
            context.getResources().updateConfiguration(Resources.getSystem().getConfiguration(),
                    context.getResources().getDisplayMetrics());
        }
    }

    protected void runOnThread(final Runnable task) {
        new Thread(task).start();
    }

}