Merge "Adding utility method to check the current home app"

import android.content.pm.ActivityInfo;

import android.content.pm.IPackageManager;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.os.RemoteException;

import java.util.ArrayList;

import java.util.List;

public class PackageManagerWrapper {

    private static final String TAG = "PackageManagerWrapper";

            return null;

        }

    }

    /**

     * @return true if the packageName belongs to the current preferred home app on the device.

     *

     * If will also return false if there are multiple home apps and the user has not picked any

     * preferred home, in which case the user would see a disambiguation screen on going to home.

     */

    public boolean isDefaultHomeActivity(String packageName) {

        List<ResolveInfo> allHomeCandidates = new ArrayList<>();

        ComponentName home;

        try {

            home = mIPackageManager.getHomeActivities(allHomeCandidates);

        } catch (RemoteException e) {

            e.printStackTrace();

            return false;

        }

        if (home != null && packageName.equals(home.getPackageName())) {

            return true;

        }

        // Find the launcher with the highest priority and return that component if there are no

        // other home activity with the same priority.

        int lastPriority = Integer.MIN_VALUE;

        ComponentName lastComponent = null;

        final int size = allHomeCandidates.size();

        for (int i = 0; i < size; i++) {

            final ResolveInfo ri = allHomeCandidates.get(i);

            if (ri.priority > lastPriority) {

                lastComponent = ri.activityInfo.getComponentName();

                lastPriority = ri.priority;

            } else if (ri.priority == lastPriority) {

                // Two components found with same priority.

                lastComponent = null;

            }

        }

        return lastComponent != null && packageName.equals(lastComponent.getPackageName());

    }

}