MainActivity.java

/*
 *  Copyright (C) 2015 Sergio Martinez Open Source Project
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package me.martinez.sergio.daggertwobasearchitecture.activities;

import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

import java.util.List;

import javax.inject.Inject;

import me.martinez.sergio.daggertwobasearchitecture.di.components.SectionComponent;
import me.martinez.sergio.daggertwobasearchitecture.di.injectableelements.base.App;
import me.martinez.sergio.daggertwobasearchitecture.di.injectableelements.base.BaseFragment;
import me.martinez.sergio.daggertwobasearchitecture.di.injectableelements.base.BaseInjectionActivity;
import me.martinez.sergio.daggertwobasearchitecture.fragments.MainFragment;
import me.martinez.sergio.daggertwobasearchitecture.R;
import me.martinez.sergio.daggertwobasearchitecture.fragments.sections.testsection.firststep.FirstFragment;
import me.martinez.sergio.daggertwobasearchitecture.fragments.sections.testsection.secondstep.SecondFragment;
import me.martinez.sergio.daggertwobasearchitecture.test.A;
import me.martinez.sergio.daggertwobasearchitecture.test.B;
import me.martinez.sergio.daggertwobasearchitecture.utils.Log4Me;

public class MainActivity extends BaseInjectionActivity<MainActivityComponent> implements
        View.OnClickListener {

    private Button buttonClearFragments;
    private Button buttonAddFirstFragment;
    private Button buttonAddSecondFragment;
    private SectionComponent sectionComponent;

    @Inject
    A a;
    @Inject
    B b;
    @Inject
    Log4Me logger;
    @Inject
    List<String> diInjectionHistory;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initButtons();
        initFragment();
        initOnClickListeners();
        testDI();
    }

    private void initButtons() {
        buttonAddSecondFragment = (Button) findViewById(R.id.buttonAddFirstFragment);
        buttonAddFirstFragment = (Button) findViewById(R.id.buttonAddSecondFragment);
        buttonClearFragments = (Button) findViewById(R.id.buttonClearFragments);
    }

    private void initOnClickListeners() {
        buttonAddSecondFragment.setOnClickListener(this);
        buttonAddFirstFragment.setOnClickListener(this);
        buttonClearFragments.setOnClickListener(this);
    }

    //region Init methods
    private void initFragment() {
        FragmentManager fragmentManager = getSupportFragmentManager();
        MainFragment mainFragment = new MainFragment();
        FragmentTransaction ft = fragmentManager.beginTransaction();
        ft.replace(R.id.fragmentContainer, mainFragment);
        ft.commit();
    }

    private void addFragment(BaseFragment baseFragment) {
        FragmentManager fragmentManager = getSupportFragmentManager();
        FragmentTransaction ft = fragmentManager.beginTransaction();
        ft.add(R.id.fragmentContainer, baseFragment).
                addToBackStack(baseFragment.getClass().getSimpleName()).commit();
    }

    private void clearFragmentStack() {
        FragmentManager fragmentManager = getSupportFragmentManager();
        fragmentManager.popBackStack(FirstFragment.class.getSimpleName(), FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }

    //endregion

    //region Android AutoGenerated methods

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    //endregion

    //region Test DI stuff
    private void testDI() {

        diInjectionHistory.add(MainActivity.class.getName());
        diInjectionHistory.add(logger.toString());
        diInjectionHistory.add(a.toString());
        diInjectionHistory.add(b.toString());

    }
    //endregion

    //region dependency injection Methods

    @Override
    protected MainActivityComponent initDI() {
        MainActivityComponent activityComponent = ((App) getApplication()).getComponentProxy().getMainActivityComponent(this);
        activityComponent.injectActivity(this);
        return activityComponent;
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.buttonAddFirstFragment:
                addSection();
                break;
            case R.id.buttonAddSecondFragment:
                addFragment(new SecondFragment());
                break;
            case R.id.buttonClearFragments:
                clearSection();
                break;
            default:
                break;
        }
    }

    private void clearSection() {
        clearFragmentStack();
        sectionComponent = null;
    }

    private void addSection() {
        initSection();
        addFragment(new FirstFragment());
    }

    private void initSection() {
        sectionComponent = ((App)getApplication()).getComponentProxy().getSectionComponent(this);
    }


    public SectionComponent getSectionComponent() {
        return sectionComponent;
    }
}