de.grobox.transportr.TransportrActivity.java Source code

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Here is the source code for de.grobox.transportr.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.transportr;

import android.content.res.Configuration;
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 android.view.MenuItem;

import java.util.Locale;

import javax.inject.Inject;

import de.grobox.transportr.settings.SettingsManager;

public abstract class TransportrActivity extends AppCompatActivity {

    @Inject
    SettingsManager settingsManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        getComponent().inject(this);

        useLanguage();
        setTheme(settingsManager.getTheme());

        super.onCreate(savedInstanceState);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    protected 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 = 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();
    }

    private void useLanguage() {
        Locale locale = settingsManager.getLocale();
        Locale.setDefault(locale);
        Configuration config = getResources().getConfiguration();
        config.locale = locale;
        getResources().updateConfiguration(config, getResources().getDisplayMetrics());
    }

}