Enable Disable Component Alias

ComponentAliasManager.java

package com.amsterdatech.shortcutpoc;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.util.Log;

import java.lang.ref.WeakReference;
import java.net.URISyntaxException;

/**
 * Created by amsterdatech on 9/1/15.
 */
public class ComponentAliasManager {
    private WeakReference<Context> contextWrapper;
    private PackageManager packageManager;
    public final static String DEFAULT_ALIAS = ".DefaultActivity";


    protected ComponentAliasManager(Context context) {
        this.contextWrapper = new WeakReference<Context>(context);
        packageManager = this.contextWrapper.get().getPackageManager();
    }

    protected ComponentAliasManager(Context context, PackageManager packageManager) {
        this.contextWrapper = new WeakReference<Context>(context);
        this.packageManager = packageManager;
    }

    public ComponentAliasManager inject(PackageManager packageManager) {
        this.packageManager = packageManager;
        return this;
    }

    public boolean isDefaultAliasEnabledFor(String packageName) {
        int flag = packageManager.getComponentEnabledSetting(getComponentName(packageName, DEFAULT_ALIAS));
        return flag == PackageManager.COMPONENT_ENABLED_STATE_ENABLED ? true : false;
    }

    public void changeIconForTelcoOperator(String packageName){
        String appstoreAlias = contextWrapper.get().getString(R.string.alias_inner_icon_name);

        if(isDefaultAliasEnabledFor(packageName)){
            enableComponent(appstoreAlias,packageName);
            disableComponent(DEFAULT_ALIAS,packageName);
        }
    }

    public void changeIconForTelcoOperator(String packageName,String alias){
        for(String activityAlias:ShorcutChanger.ALIASES){

            if(!activityAlias.equalsIgnoreCase(alias)){
                disableComponent(activityAlias,packageName);
                uninstallShortcut(alias);

            }else{
                enableComponent(alias,packageName);
                installShortcut(packageName,alias);
            }
        }
    }

    public ComponentAliasManager enableComponent(String alias, String packageName) {
        packageManager.setComponentEnabledSetting(
                getComponentName(packageName, alias),
                PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
                PackageManager.DONT_KILL_APP);

        return this;
    }

    public ComponentAliasManager disableComponent(String alias, String packageName) {
        packageManager.setComponentEnabledSetting(
                getComponentName(packageName, alias),
                PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
                PackageManager.DONT_KILL_APP);

        return this;
    }

    public ComponentName getComponentName(String packageName, String alias) {
        return new ComponentName(packageName,
                packageName + alias);
    }

    public void installShortcut(String packageName,String alias) {

        Intent shortcutIntent = new Intent(contextWrapper.get(),MainActivity.class);

        shortcutIntent.setAction(Intent.ACTION_MAIN);

        Intent addIntent = new Intent();
        addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
        addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "Shortcut for " + alias);
        addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
                Intent.ShortcutIconResource.fromContext(contextWrapper.get(),
                        getEmbeddedIconFor(alias)));

        addIntent.putExtra("duplicate", false);
        addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT");

        contextWrapper.get().sendBroadcast(addIntent);
    }

    private int getEmbeddedIconFor(String alias) {
        if (alias.equalsIgnoreCase(MainActivity.CLARO_ALIAS)) {
            return R.drawable.appstore_ic_launcher_claro;
        }

        if (alias.equalsIgnoreCase(MainActivity.OI_ALIAS)) {
            return R.drawable.appstore_ic_launcher_oi;
        }

        if (alias.equalsIgnoreCase(MainActivity.MOVISTAR_ALIAS)) {
            return R.drawable.appstore_ic_launcher_movistar;
        }
        return R.drawable.ic_launcher;
    }


    public void uninstallShortcut(String alias) {
        Intent intent = new Intent();
        String oldShortcutUriTemplate = "#Intent;action=android.intent.action.MAIN;category=android.intent.category.LAUNCHER;launchFlags=0x10200000;package=com.amsterdatech.shortcutpoc;component=com.amsterdatech.shortcutpoc/%s;end";
        String oldShortcutUri = String.format(oldShortcutUriTemplate,alias);
        try {
            Intent altShortcutIntent = Intent.parseUri(oldShortcutUri, 0);
            intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, altShortcutIntent);
            intent.putExtra(Intent.EXTRA_SHORTCUT_NAME, "Shortcut for " + alias);

        } catch (URISyntaxException e) {
        }
        intent.setAction("com.android.launcher.action.UNINSTALL_SHORTCUT");
        contextWrapper.get().sendBroadcast(intent);
    }

    private Class getClassFor(String packageName,String alias) {
        Class clz = null;
        try {
            clz = Class.forName(packageName + alias);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        if (clz != null) {
            Log.d(ShorcutChanger.class.getSimpleName(), "[FEATURE " +
                    ShorcutChanger.class.getSimpleName() +
                    " - CLASS:" + clz.getCanonicalName() + " ]");
        }
        return clz;
    }
}