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Commit bc16a07c authored by Jeff Sharkey's avatar Jeff Sharkey
Browse files

Gracefully handle slowly appearing Home apps. 

When starting a Guest user for the first time, it can take quite
awhile before the Home app enables itself.  So if we're unlocked
and no other Home app is around, chill for 500ms and see if someone
showed up.

Bug: 26267450
Change-Id: I3c4e01ae3681c650ea90b20ffc21835ae264b5e9
parent 71043766

src/com/android/settings/FallbackHome.java

+36 −4
Original line number Diff line number Diff line
@@ -21,25 +21,57 @@ import android.content.BroadcastReceiver; 
import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.ResolveInfo;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.os.UserManager;

import android.util.Log;



import java.util.Objects;



public class FallbackHome extends Activity {

    private static final String TAG = "FallbackHome";



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);



        registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_USER_UNLOCKED));

        maybeFinish();

    }



    @Override

    protected void onDestroy() {

        super.onDestroy();

        unregisterReceiver(mReceiver);

    }



    private BroadcastReceiver mReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            Log.d(TAG, "User unlocked; leaving to find real home");

            unregisterReceiver(this);

            maybeFinish();

        }

    };



    private void maybeFinish() {

        if (getSystemService(UserManager.class).isUserUnlocked()) {

            final Intent homeIntent = new Intent(Intent.ACTION_MAIN)

                    .addCategory(Intent.CATEGORY_HOME);

            final ResolveInfo homeInfo = getPackageManager().resolveActivity(homeIntent, 0);

            if (Objects.equals(getPackageName(), homeInfo.activityInfo.packageName)) {

                Log.d(TAG, "User unlocked but no home; let's hope someone enables one soon?");

                mHandler.sendEmptyMessageDelayed(0, 500);

            } else {

                Log.d(TAG, "User unlocked and real home found; let's go!");

                finish();

            }

        }

    }



    private Handler mHandler = new Handler() {

        @Override

        public void handleMessage(Message msg) {

            maybeFinish();

        }

    };

}