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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings;
     18 
     19 import android.app.Activity;
     20 import android.app.ProgressDialog;
     21 import android.content.BroadcastReceiver;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.IntentFilter;
     25 import android.content.pm.PackageManager;
     26 import android.content.pm.ResolveInfo;
     27 import android.os.Bundle;
     28 import android.os.Handler;
     29 import android.os.Message;
     30 import android.os.UserHandle;
     31 import android.os.PowerManager;
     32 import android.os.SystemClock;
     33 import android.os.UserManager;
     34 import android.provider.Settings;
     35 import android.util.Log;
     36 import android.view.View;
     37 import android.view.WindowManager;
     38 import android.view.WindowManager.LayoutParams;
     39 import android.view.animation.AnimationUtils;
     40 
     41 import java.util.Objects;
     42 
     43 public class FallbackHome extends Activity {
     44     private static final String TAG = "FallbackHome";
     45     private static final int PROGRESS_TIMEOUT = 2000;
     46 
     47     private boolean mProvisioned;
     48 
     49     private final Runnable mProgressTimeoutRunnable = () -> {
     50         View v = getLayoutInflater().inflate(
     51                 R.layout.fallback_home_finishing_boot, null /* root */);
     52         setContentView(v);
     53         v.setAlpha(0f);
     54         v.animate()
     55                 .alpha(1f)
     56                 .setDuration(500)
     57                 .setInterpolator(AnimationUtils.loadInterpolator(
     58                         this, android.R.interpolator.fast_out_slow_in))
     59                 .start();
     60         getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
     61     };
     62 
     63     @Override
     64     protected void onCreate(Bundle savedInstanceState) {
     65         super.onCreate(savedInstanceState);
     66 
     67         // Set ourselves totally black before the device is provisioned so that
     68         // we don't flash the wallpaper before SUW
     69         mProvisioned = Settings.Global.getInt(getContentResolver(),
     70                 Settings.Global.DEVICE_PROVISIONED, 0) != 0;
     71         if (!mProvisioned) {
     72             setTheme(R.style.FallbackHome_SetupWizard);
     73             getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN
     74                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
     75         } else {
     76             getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
     77                     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
     78         }
     79 
     80         registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_USER_UNLOCKED));
     81         maybeFinish();
     82     }
     83 
     84     @Override
     85     protected void onResume() {
     86         super.onResume();
     87         if (mProvisioned) {
     88             mHandler.postDelayed(mProgressTimeoutRunnable, PROGRESS_TIMEOUT);
     89         }
     90     }
     91 
     92     @Override
     93     protected void onPause() {
     94         super.onPause();
     95         mHandler.removeCallbacks(mProgressTimeoutRunnable);
     96     }
     97 
     98     protected void onDestroy() {
     99         super.onDestroy();
    100         unregisterReceiver(mReceiver);
    101     }
    102 
    103     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
    104         @Override
    105         public void onReceive(Context context, Intent intent) {
    106             maybeFinish();
    107         }
    108     };
    109 
    110     private void maybeFinish() {
    111         if (getSystemService(UserManager.class).isUserUnlocked()) {
    112             final Intent homeIntent = new Intent(Intent.ACTION_MAIN)
    113                     .addCategory(Intent.CATEGORY_HOME);
    114             final ResolveInfo homeInfo = getPackageManager().resolveActivity(homeIntent, 0);
    115             if (Objects.equals(getPackageName(), homeInfo.activityInfo.packageName)) {
    116                 if (UserManager.isSplitSystemUser()
    117                         && UserHandle.myUserId() == UserHandle.USER_SYSTEM) {
    118                     // This avoids the situation where the system user has no home activity after
    119                     // SUW and this activity continues to throw out warnings. See b/28870689.
    120                     return;
    121                 }
    122                 Log.d(TAG, "User unlocked but no home; let's hope someone enables one soon?");
    123                 mHandler.sendEmptyMessageDelayed(0, 500);
    124             } else {
    125                 Log.d(TAG, "User unlocked and real home found; let's go!");
    126                 getSystemService(PowerManager.class).userActivity(
    127                         SystemClock.uptimeMillis(), false);
    128                 finish();
    129             }
    130         }
    131     }
    132 
    133     private Handler mHandler = new Handler() {
    134         @Override
    135         public void handleMessage(Message msg) {
    136             maybeFinish();
    137         }
    138     };
    139 }
    140