AddApplicationBlacklist.java

/*
 * Copyright (C) 2015 - Holy Lobster
 *
 * Nuntius 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 2 of the License, or
 * (at your option) any later version.
 *
 * Nuntius 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 Nuntius. If not, see <http://www.gnu.org/licenses/>.
 */

package org.holylobster.nuntius.activity;

import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.View;
import android.widget.LinearLayout;

import com.nispok.snackbar.Snackbar;
import com.nispok.snackbar.SnackbarManager;

import org.holylobster.nuntius.R;
import org.holylobster.nuntius.adapter.AppBlacklistAdapter;
import org.holylobster.nuntius.data.BlacklistedApp;

import java.util.Collections;
import java.util.List;


public class AddApplicationBlacklist extends ActionBarActivity {
    private RecyclerView recyclerView;
    private AppBlacklistAdapter adapter;
    private RecyclerView.LayoutManager layoutManager;
    private Toolbar toolbar;

    private BlacklistedApp blacklistedApp;

    private List<ApplicationInfo> packages;   // All Installed App

    private PackageManager pm;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_blacklist_add);

        toolbar = (Toolbar) findViewById(R.id.toolbar_actionbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        setTitle(getResources().getString(R.string.blacklist_title));
        pm = getPackageManager();

        recyclerView = (RecyclerView) findViewById(R.id.my_recycler_view);
        recyclerView.setHasFixedSize(true);
        layoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(layoutManager);

        new GetAllInstalledApp().execute();
    }

    public void addToBlacklist(int position) {
        blacklistedApp.add(packages.get(position));
        showInfo(position);
    }

    public void showInfo(int position) {
        SnackbarManager.show(
            Snackbar.with(getApplicationContext())
                    .text(getString(R.string.added_to_blacklist, pm.getApplicationLabel(packages.get(position)))), this);
    }

    @Override
    public void onResume(){
        super.onResume();
        blacklistedApp = new BlacklistedApp(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        return super.onCreateOptionsMenu(menu);
    }

    class GetAllInstalledApp extends AsyncTask<Void, Integer, String> {

        @Override
        protected String doInBackground(Void... unused) {
            packages = pm.getInstalledApplications(PackageManager.GET_META_DATA);
            Collections.sort(packages, new ApplicationInfo.DisplayNameComparator(pm));
            return "";
        }
        @Override
        protected void onPostExecute(String message) {
            LinearLayout linearLayout = (LinearLayout) findViewById(R.id.centerLayout);
            linearLayout.setVisibility(View.GONE);
            adapter = new AppBlacklistAdapter(getApplicationContext(), packages, false);
            recyclerView.setAdapter(adapter);

            adapter.SetOnItemClickListener(new AppBlacklistAdapter.OnItemClickListener() {
                @Override
                public void onItemClick(View view, int position) {
                    addToBlacklist(position);
                }
            });
        }
    }
}