gistfile1.txt

package com.roy.installedapps;

import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.LinearLayout;

import org.json.JSONException;

import java.util.ArrayList;
import java.util.List;

import butterknife.Bind;
import butterknife.ButterKnife;

public class MainActivity extends AppCompatActivity {
    @Bind(R.id.recycler_view)
    RecyclerView recyclerView;
  private  ArrayList<AppModel> mList=new ArrayList<>();

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

        ButterKnife.bind(this);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
        recyclerView.setLayoutManager(linearLayoutManager);
        recyclerView.setNestedScrollingEnabled(false);
        recyclerView.setHasFixedSize(false);
        getApplicationIstalled();
        ApplIstAdapter adapter = new ApplIstAdapter(this,mList);
        recyclerView.setAdapter(adapter);
    }

    @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);
    }


    public void getApplicationIstalled() {




        final PackageManager pm = getPackageManager();
        List<ApplicationInfo> packages = pm.getInstalledApplications(PackageManager.GET_META_DATA);

        for (ApplicationInfo packageInfo : packages) {

            ApplicationInfo app = null;
            try {
                if (  (packageInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {


                    AppModel model = new AppModel();
                    try {
                        Drawable icon = getPackageManager().getApplicationIcon(packageInfo.processName);
                        model.setDrawable(icon);

                    } catch (Exception e) {

                    }
                    String AppName =packageInfo.loadLabel(getPackageManager()).toString();
                    model.setPackageName(packageInfo.packageName);
                    model.setAppName(AppName);


                    mList.add(model);

                }
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }


        }}
}