src/com/android/settings/FallbackHome.java

   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 }