Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.content.Context;

import java.util.List;

import android.content.pm.ApplicationInfo;
import java.util.ArrayList;
import java.util.Collections;

public class Main {
    /**
     * Get package names of all installed apps.
     * @param with_system Mark if system apps are included or not.
     */
    public static String[] getAllInstalledPackageNames(Context context, boolean with_system) {
        List<ApplicationInfo> packages = context.getPackageManager().getInstalledApplications(0);
        if (packages == null) {
            return null;
        }

        List<String> result = new ArrayList<>();

        for (ApplicationInfo applicationInfo : packages) {
            //Skip over system apps.
            if ((applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1 && !with_system) {
                continue;
            }

            result.add(applicationInfo.packageName);
        }

        Collections.sort(result);

        return result.toArray(new String[result.size()]);
    }
}