Fix MagiskHide startup issue

app/src/main/AndroidManifest.xml

@@ -60,6 +60,8 @@
             </intent-filter>
         </receiver>
 
+        <service android:name=".receivers.BootReceiver$BootupIntentService" />
+
         <provider
             android:name="android.support.v4.content.FileProvider"
             android:authorities="com.topjohnwu.magisk.provider"

app/src/main/java/com/topjohnwu/magisk/AboutActivity.java

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk;
 
-import android.app.AlertDialog;
+import android.support.v7.app.AlertDialog;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;

app/src/main/java/com/topjohnwu/magisk/MagiskManager.java

@@ -3,8 +3,10 @@ package com.topjohnwu.magisk;
 import android.app.Application;
 import android.content.SharedPreferences;
 import android.content.pm.ApplicationInfo;
+import android.os.Handler;
 import android.preference.PreferenceManager;
 import android.util.SparseArray;
+import android.widget.Toast;
 
 import com.topjohnwu.magisk.module.Module;
 import com.topjohnwu.magisk.module.Repo;
@@ -20,6 +22,7 @@ import java.util.List;
 public class MagiskManager extends Application {
 
     public static final String MAGISK_DISABLE_FILE = "/cache/.disable_magisk";
+    public static final String MAGISK_MANAGER_BOOT = "/dev/.magisk_manager_boot";
 
     // Events
     public final CallbackEvent<Void> blockDetectionDone = new CallbackEvent<>();
@@ -64,12 +67,22 @@ public class MagiskManager extends Application {
 
     public SharedPreferences prefs;
 
+    private static Handler mHandler = new Handler();
+
     @Override
     public void onCreate() {
         super.onCreate();
         prefs = PreferenceManager.getDefaultSharedPreferences(this);
     }
 
+    public void toast(String msg, int duration) {
+        mHandler.post(() -> Toast.makeText(this, msg, duration).show());
+    }
+
+    public void toast(int resId, int duration) {
+        mHandler.post(() -> Toast.makeText(this, resId, duration).show());
+    }
+
     public void init() {
         isDarkTheme = prefs.getBoolean("dark_theme", false);
         devLogging = prefs.getBoolean("developer_logging", false);

app/src/main/java/com/topjohnwu/magisk/SplashActivity.java

@@ -5,6 +5,7 @@ import android.os.Bundle;
 
 import com.topjohnwu.magisk.components.Activity;
 import com.topjohnwu.magisk.utils.Async;
+import com.topjohnwu.magisk.utils.Utils;
 
 public class SplashActivity extends Activity {
 
@@ -17,10 +18,15 @@ public class SplashActivity extends Activity {
 
         // Init the info and configs and root shell
         magiskManager.init();
+        boolean boot_done = Utils.itemExist(MagiskManager.MAGISK_MANAGER_BOOT);
 
         // Now fire all async tasks
         new Async.CheckUpdates(magiskManager).exec();
         new Async.GetBootBlocks(magiskManager).exec();
+        if (magiskManager.prefs.getBoolean("magiskhide", false) && !magiskManager.disabled &&
+                magiskManager.magiskVersion > 10.3 && boot_done) {
+            new Async.MagiskHide().enable();
+        }
         new Async.LoadModules(magiskManager) {
             @Override
             protected void onPostExecute(Void v) {

app/src/main/java/com/topjohnwu/magisk/StatusFragment.java

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk;
 
-import android.app.AlertDialog;
+import android.support.v7.app.AlertDialog;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;

app/src/main/java/com/topjohnwu/magisk/receivers/BootReceiver.java

@@ -1,27 +1,40 @@
 package com.topjohnwu.magisk.receivers;
 
+import android.app.IntentService;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
 import android.widget.Toast;
 
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Async;
+import com.topjohnwu.magisk.utils.Shell;
 
 public class BootReceiver extends BroadcastReceiver {
 
     @Override
     public void onReceive(Context context, Intent intent) {
-        MagiskManager magiskManager = (MagiskManager) context.getApplicationContext();
+        context.startService(new Intent(context, BootupIntentService.class));
+    }
+
+    public static class BootupIntentService extends IntentService {
+
+        public BootupIntentService() {
+            super("BootupIntentService");
+        }
+
+        @Override
+        protected void onHandleIntent(Intent intent) {
+            MagiskManager magiskManager = (MagiskManager) getApplicationContext();
             magiskManager.initSuAccess();
             magiskManager.updateMagiskInfo();
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+            if (magiskManager.prefs.getBoolean("magiskhide", false) &&
-        if (prefs.getBoolean("magiskhide", false) && !magiskManager.disabled && magiskManager.magiskVersion > 10.3) {
+                    !magiskManager.disabled && magiskManager.magiskVersion > 10.3) {
-            Toast.makeText(context, R.string.start_magiskhide, Toast.LENGTH_SHORT).show();
+                magiskManager.toast(R.string.start_magiskhide, Toast.LENGTH_LONG);
-            new Async.MagiskHide(true).enable();
+                Shell.su(true, Async.MAGISK_HIDE_PATH + "enable",
+                        "touch " + MagiskManager.MAGISK_MANAGER_BOOT);
+            }
         }
     }
 }

app/src/main/java/com/topjohnwu/magisk/utils/Async.java

@@ -307,18 +307,10 @@ public class Async {
 
     public static class MagiskHide extends RootTask<Object, Void, Void> {
 
-        private boolean newShell = false;
-
-        public MagiskHide() {}
-
-        public MagiskHide(boolean b) {
-            newShell = b;
-        }
-
         @Override
         protected Void doInBackground(Object... params) {
             String command = (String) params[0];
-            Shell.su(newShell, MAGISK_HIDE_PATH + command);
+            Shell.su(MAGISK_HIDE_PATH + command);
             return null;
         }
 

app/src/main/java/com/topjohnwu/magisk/utils/Shell.java

@@ -132,6 +132,13 @@ public class Shell {
                 process = Runtime.getRuntime().exec("su");
                 STDIN = new DataOutputStream(process.getOutputStream());
                 STDOUT = new StreamGobbler(process.getInputStream(), res);
+
+                // Run the new shell with busybox and proper umask
+                STDIN.write(("umask 022\n").getBytes("UTF-8"));
+                STDIN.flush();
+                STDIN.write(("PATH=`[ -e /dev/busybox ] && echo /dev/busybox || " +
+                        "echo /data/busybox`:$PATH\n").getBytes("UTF-8"));
+                STDIN.flush();
             } catch (IOException err) {
                 return null;
             }

app/src/main/java/com/topjohnwu/magisk/utils/Utils.java

@@ -1,7 +1,6 @@
 package com.topjohnwu.magisk.utils;
 
 import android.Manifest;
-import android.app.AlertDialog;
 import android.app.DownloadManager;
 import android.content.Context;
 import android.content.IntentFilter;
@@ -10,6 +9,7 @@ import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Environment;
 import android.support.v4.app.ActivityCompat;
+import android.support.v7.app.AlertDialog;
 import android.text.TextUtils;
 import android.widget.Toast;
 

app/src/main/java/com/topjohnwu/magisk/utils/WebWindow.java

@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk.utils;
 
-import android.app.AlertDialog;
+import android.support.v7.app.AlertDialog;
 import android.content.Context;
 import android.webkit.WebResourceRequest;
 import android.webkit.WebView;