com.thatkawaiiguy.meleehandbook.activity.AppSettingsActivity.java Source code

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Here is the source code for com.thatkawaiiguy.meleehandbook.activity.AppSettingsActivity.java

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/*
This file is part of Melee Handbook.
    
Melee Handbook 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.
    
Melee Handbook 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 Melee Handbook.  If not, see <http://www.gnu.org/licenses/>
 */

package com.thatkawaiiguy.meleehandbook.activity;

import android.content.ComponentName;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.support.annotation.LayoutRes;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.IntentCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatDelegate;
import android.support.v7.widget.Toolbar;
import android.view.MenuInflater;
import android.view.MenuItem;

import com.thatkawaiiguy.meleehandbook.MainActivity;
import com.thatkawaiiguy.meleehandbook.R;
import com.thatkawaiiguy.meleehandbook.other.Preferences;

public class AppSettingsActivity extends PreferenceActivity {

    private SharedPreferences.OnSharedPreferenceChangeListener mListener;
    private AppCompatDelegate mDelegate;

    private boolean restart = false;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        if (getIntent().hasExtra("bundle") && savedInstanceState == null)
            savedInstanceState = getIntent().getExtras().getBundle("bundle");
        Preferences.applySettingsTheme(this);
        getDelegate().installViewFactory();
        getDelegate().onCreate(savedInstanceState);
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_settings);
        setSupportActionBar((Toolbar) findViewById(R.id.toolbar));
        getSupportActionBar().setTitle(R.string.action_settings);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        addPreferencesFromResource(R.xml.settings);
        Preferences.sync(getPreferenceManager());
        mListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
            @Override
            public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
                Preferences.sync(getPreferenceManager(), key);
                if (key.equals(getString(R.string.pref_theme))) {
                    recreate();
                    restart = true;
                } else if (key.equals(getString(R.string.pref_ads)))
                    restart = true;
                else if (key.equals(getString(R.string.pref_tier)))
                    restart = true;
                else if (key.equals(getString(R.string.pref_uniquegroup)))
                    restart = true;
                else if (key.equals(getString(R.string.pref_main)))
                    restart = true;
            }
        };
    }

    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        getDelegate().onPostCreate(savedInstanceState);
        if (savedInstanceState != null)
            restart = savedInstanceState.getBoolean("restart");
    }

    private void setSupportActionBar(@Nullable Toolbar toolbar) {
        getDelegate().setSupportActionBar(toolbar);
    }

    private ActionBar getSupportActionBar() {
        return getDelegate().getSupportActionBar();
    }

    @NonNull
    @Override
    public MenuInflater getMenuInflater() {
        return getDelegate().getMenuInflater();
    }

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

    @Override
    public void setContentView(@LayoutRes int layoutResID) {
        getDelegate().setContentView(layoutResID);
    }

    @Override
    public void onResume() {
        super.onResume();
        getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener(mListener);
    }

    @Override
    public void onBackPressed() {
        if (restart) {
            super.onBackPressed();
            final Intent intent = IntentCompat
                    .makeMainActivity(new ComponentName(AppSettingsActivity.this, MainActivity.class));
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | IntentCompat.FLAG_ACTIVITY_CLEAR_TASK);
            startActivity(intent);
        } else
            super.onBackPressed();
    }

    @Override
    protected void onPostResume() {
        super.onPostResume();
        getDelegate().onPostResume();
    }

    @Override
    public void onPause() {
        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(mListener);
        super.onPause();
    }

    @Override
    protected void onStop() {
        super.onStop();
        getDelegate().onStop();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        getDelegate().onDestroy();
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        if (outState != null)
            outState.putBoolean("restart", restart);
    }

    private AppCompatDelegate getDelegate() {
        if (mDelegate == null)
            mDelegate = AppCompatDelegate.create(this, null);
        return mDelegate;
    }
}