Add flashing screen

app/src/main/AndroidManifest.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.topjohnwu.magisk"
+    xmlns:tools="http://schemas.android.com/tools"
-    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.topjohnwu.magisk">
-    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.INTERNET" />
@@ -22,8 +21,7 @@
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|screenSize"
-            android:exported="true"/>
+            android:exported="true" />
-
         <activity
             android:name=".SplashActivity"
             android:configChanges="orientation|screenSize"
@@ -31,16 +29,22 @@
             android:theme="@style/SplashTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
         <activity
             android:name=".AboutActivity"
-            android:theme="@style/AppTheme.Transparent"/>
+            android:theme="@style/AppTheme.Transparent" />
         <activity
             android:name=".SettingsActivity"
             android:theme="@style/AppTheme.Transparent" />
+        <activity
+            android:name=".FlashActivity"
+            android:screenOrientation="nosensor"
+            android:configChanges="keyboardHidden|orientation|screenSize"
+            android:theme="@style/AppTheme.Transparent" />
+
         <activity
             android:name=".superuser.RequestActivity"
             android:excludeFromRecents="true"
@@ -54,29 +58,26 @@
             android:theme="@style/SuRequest" />
 
         <receiver android:name=".superuser.SuReceiver" />
-
         <receiver android:name=".receivers.BootReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.BOOT_COMPLETED" />
             </intent-filter>
         </receiver>
-
         <receiver android:name=".receivers.PackageReceiver">
             <intent-filter>
                 <action android:name="android.intent.action.PACKAGE_REPLACED" />
                 <action android:name="android.intent.action.PACKAGE_FULLY_REMOVED" />
+
                 <data android:scheme="package" />
             </intent-filter>
         </receiver>
-
         <receiver android:name=".receivers.ManagerUpdate" />
 
         <service android:name=".services.OnBootIntentService" />
-
         <service
             android:name=".services.UpdateCheckService"
-            android:permission="android.permission.BIND_JOB_SERVICE"
+            android:exported="true"
-            android:exported="true" />
+            android:permission="android.permission.BIND_JOB_SERVICE" />
 
         <provider
             android:name="android.support.v4.content.FileProvider"

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

@@ -0,0 +1,98 @@
+package com.topjohnwu.magisk;
+
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.topjohnwu.magisk.asyncs.FlashZip;
+import com.topjohnwu.magisk.components.Activity;
+import com.topjohnwu.magisk.utils.AdaptiveList;
+import com.topjohnwu.magisk.utils.Shell;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class FlashActivity extends Activity {
+
+    @BindView(R.id.toolbar) Toolbar toolbar;
+    @BindView(R.id.flash_logs) RecyclerView flashLogs;
+    @BindView(R.id.button_panel) LinearLayout buttonPanel;
+
+    private AdaptiveList<String> rootShellOutput;
+
+    @OnClick(R.id.no_thanks)
+    public void dismiss() {
+        finish();
+    }
+
+    @OnClick(R.id.reboot)
+    public void reboot() {
+        Shell.getRootShell(this).su_raw("reboot");
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_flash);
+        ButterKnife.bind(this);
+        rootShellOutput = new AdaptiveList<>(flashLogs);
+        setSupportActionBar(toolbar);
+        ActionBar ab = getSupportActionBar();
+        if (ab != null) {
+            ab.setTitle(R.string.flashing);
+        }
+        setFloating();
+
+        flashLogs.setAdapter(new FlashLogAdapter());
+
+        // We must receive a Uri of the target zip
+        Uri uri = getIntent().getData();
+
+        new FlashZip(this, uri, rootShellOutput)
+                .setCallBack(() -> buttonPanel.setVisibility(View.VISIBLE))
+                .exec();
+    }
+
+    @Override
+    public void onBackPressed() {
+        // Prevent user accidentally press back button
+    }
+
+    private class FlashLogAdapter extends RecyclerView.Adapter<ViewHolder> {
+
+        @Override
+        public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext())
+                    .inflate(R.layout.list_item_flashlog, parent, false);
+            return new ViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(ViewHolder holder, int position) {
+            holder.text.setText(rootShellOutput.get(position));
+        }
+
+        @Override
+        public int getItemCount() {
+            return rootShellOutput.size();
+        }
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+
+        @BindView(R.id.textView) TextView text;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+            ButterKnife.bind(this, itemView);
+        }
+    }
+}

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

@@ -26,7 +26,7 @@ import android.widget.Spinner;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.asyncs.CheckUpdates;
-import com.topjohnwu.magisk.asyncs.ProcessMagiskZip;
+import com.topjohnwu.magisk.asyncs.ParallelTask;
 import com.topjohnwu.magisk.components.AlertDialogBuilder;
 import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.components.SnackbarMaker;
@@ -144,7 +144,13 @@ public class MagiskFragment extends Fragment
 
                                     @Override
                                     public void onDownloadDone(Uri uri, Context context) {
-                                        new ProcessMagiskZip(getActivity(), uri, boot, enc, verity).exec();
+                                        if (Shell.rootAccess()) {
+                                            new SetInstallFlags(boot, enc, verity)
+                                                    .setCallBack(() -> startActivity(new Intent(context, FlashActivity.class).setData(uri)))
+                                                    .exec(context);
+                                        } else {
+                                            Utils.showUriSnack(getActivity(), uri);
+                                        }
                                     }
                                 },
                                 magiskManager.magiskLink,
@@ -160,6 +166,28 @@ public class MagiskFragment extends Fragment
                 .show();
     }
 
+    private static class SetInstallFlags extends ParallelTask<Context, Void, Void> {
+
+        private String boot;
+        private boolean enc, verity;
+
+        SetInstallFlags(String boot, boolean enc, boolean verity) {
+            this.boot = boot;
+            this.enc = enc;
+            this.verity = verity;
+        }
+
+        @Override
+        protected Void doInBackground(Context... contexts) {
+            Shell.getRootShell(contexts[0]).su_raw("rm -f /dev/.magisk",
+                    (boot != null) ? "echo \"BOOTIMAGE=" + boot + "\" >> /dev/.magisk" : "",
+                    "echo \"KEEPFORCEENCRYPT=" + String.valueOf(enc) + "\" >> /dev/.magisk",
+                    "echo \"KEEPVERITY=" + String.valueOf(verity) + "\" >> /dev/.magisk"
+            );
+            return null;
+        }
+    }
+
     @OnClick(R.id.uninstall_button)
     public void uninstall() {
         new AlertDialogBuilder(getActivity())

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

@@ -2,7 +2,6 @@ package com.topjohnwu.magisk;
 
 import android.app.Activity;
 import android.content.Intent;
-import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.design.widget.FloatingActionButton;
@@ -14,13 +13,11 @@ import android.view.ViewGroup;
 import android.widget.TextView;
 
 import com.topjohnwu.magisk.adapters.ModulesAdapter;
-import com.topjohnwu.magisk.asyncs.FlashZip;
 import com.topjohnwu.magisk.asyncs.LoadModules;
 import com.topjohnwu.magisk.components.Fragment;
 import com.topjohnwu.magisk.module.Module;
 import com.topjohnwu.magisk.utils.CallbackEvent;
 import com.topjohnwu.magisk.utils.Logger;
-import com.topjohnwu.magisk.utils.Shell;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -87,8 +84,9 @@ public class ModulesFragment extends Fragment implements CallbackEvent.Listener<
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == FETCH_ZIP_CODE && resultCode == Activity.RESULT_OK && data != null) {
             // Get the URI of the selected file
-            final Uri uri = data.getData();
+            Intent intent = new Intent(getActivity(), FlashActivity.class);
-            new FlashZip(getActivity(), uri).exec();
+            intent.setData(data.getData()).putExtra("ACTION", "flash");
+            startActivity(intent);
         }
 
     }

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

@@ -162,14 +162,14 @@ public class SettingsActivity extends Activity {
                             new AlertDialogBuilder(getActivity())
                                     .setTitle(R.string.no_magisksu_title)
                                     .setMessage(R.string.no_magisksu_msg)
-                                    .setPositiveButton(R.string.understand, (dialog, which) -> new MagiskHide().enable())
+                                    .setPositiveButton(R.string.understand, (dialog, which) -> new MagiskHide(getActivity()).enable())
                                     .setCancelable(false)
                                     .show();
                         } else {
-                            new MagiskHide().enable();
+                            new MagiskHide(getActivity()).enable();
                         }
                     } else {
-                        new MagiskHide().disable();
+                        new MagiskHide(getActivity()).disable();
                     }
                     break;
                 case "hosts":

app/src/main/java/com/topjohnwu/magisk/adapters/ApplicationAdapter.java

@@ -1,5 +1,6 @@
 package com.topjohnwu.magisk.adapters;
 
+import android.app.Activity;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.support.design.widget.Snackbar;
@@ -86,10 +87,10 @@ public class ApplicationAdapter extends RecyclerView.Adapter<ApplicationAdapter.
             holder.checkBox.setChecked(mHideList.contains(info.packageName));
             holder.checkBox.setOnCheckedChangeListener((v, isChecked) -> {
                 if (isChecked) {
-                    new MagiskHide().add(info.packageName);
+                    new MagiskHide((Activity) holder.itemView.getContext()).add(info.packageName);
                     mHideList.add(info.packageName);
                 } else {
-                    new MagiskHide().rm(info.packageName);
+                    new MagiskHide((Activity) holder.itemView.getContext()).rm(info.packageName);
                     mHideList.remove(info.packageName);
                 }
             });

app/src/main/java/com/topjohnwu/magisk/asyncs/FlashZip.java

@@ -1,14 +1,12 @@
 package com.topjohnwu.magisk.asyncs;
 
 import android.app.Activity;
-import android.app.ProgressDialog;
 import android.net.Uri;
-import android.widget.Toast;
+import android.text.TextUtils;
 
 import com.topjohnwu.magisk.MagiskManager;
 import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.components.AlertDialogBuilder;
+import com.topjohnwu.magisk.utils.AdaptiveList;
-import com.topjohnwu.magisk.utils.Logger;
 import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.magisk.utils.ZipUtils;
 
@@ -26,11 +24,12 @@ public class FlashZip extends ParallelTask<Void, String, Integer> {
     private File mCachedFile, mScriptFile, mCheckFile;
 
     private String mFilename;
-    private ProgressDialog progress;
+    private AdaptiveList<String> mList;
 
-    public FlashZip(Activity context, Uri uri) {
+    public FlashZip(Activity context, Uri uri, AdaptiveList<String> list) {
         super(context);
         mUri = uri;
+        mList = list;
 
         mCachedFile = new File(magiskManager.getCacheDir(), "install.zip");
         mScriptFile = new File(magiskManager.getCacheDir(), "/META-INF/com/google/android/update-binary");
@@ -40,97 +39,77 @@ public class FlashZip extends ParallelTask<Void, String, Integer> {
         mFilename = Utils.getNameFromUri(magiskManager, mUri);
     }
 
-    private void copyToCache() throws Throwable {
+    private void copyToCache() throws Exception {
-        publishProgress(magiskManager.getString(R.string.copying_msg));
+        mList.add(magiskManager.getString(R.string.copying_msg));
 
-        if (mCachedFile.exists() && !mCachedFile.delete()) {
+        mCachedFile.delete();
-            Logger.error("FlashZip: Error while deleting already existing file");
-            throw new IOException();
-        }
         try (
-                InputStream in = magiskManager.getContentResolver().openInputStream(mUri);
+            InputStream in = magiskManager.getContentResolver().openInputStream(mUri);
-                OutputStream outputStream = new FileOutputStream(mCachedFile)
+            OutputStream outputStream = new FileOutputStream(mCachedFile)
         ) {
             byte buffer[] = new byte[1024];
             int length;
             if (in == null) throw new FileNotFoundException();
             while ((length = in.read(buffer)) > 0)
                 outputStream.write(buffer, 0, length);
-
-            Logger.dev("FlashZip: File created successfully - " + mCachedFile.getPath());
         } catch (FileNotFoundException e) {
-            Logger.error("FlashZip: Invalid Uri");
+            mList.add("! Invalid Uri");
             throw e;
         } catch (IOException e) {
-            Logger.error("FlashZip: Error in creating file");
+            mList.add("! Cannot copy to cache");
             throw e;
         }
     }
 
     private boolean unzipAndCheck() throws Exception {
         ZipUtils.unzip(mCachedFile, mCachedFile.getParentFile(), "META-INF/com/google/android");
-        List<String> ret;
+        List<String> ret = Utils.readFile(magiskManager.rootShell, mCheckFile.getPath());
-        ret = Utils.readFile(magiskManager.rootShell, mCheckFile.getPath());
         return Utils.isValidShellResponse(ret) && ret.get(0).contains("#MAGISK");
     }
 
-    private int cleanup(int ret) {
-        magiskManager.rootShell.su_raw(
-                "rm -rf " + mCachedFile.getParent() + "/*",
-                "rm -rf " + MagiskManager.TMP_FOLDER_PATH
-        );
-        return ret;
-    }
-
     @Override
     protected void onPreExecute() {
-        progress = new ProgressDialog(activity);
+        // UI updates must run in the UI thread
-        progress.setTitle(R.string.zip_install_progress_title);
+        mList.setCallback(this::publishProgress);
-        progress.show();
     }
 
     @Override
     protected void onProgressUpdate(String... values) {
-        progress.setMessage(values[0]);
+        mList.updateView();
     }
 
     @Override
     protected Integer doInBackground(Void... voids) {
-        Logger.dev("FlashZip Running... " + mFilename);
-        List<String> ret;
         try {
             copyToCache();
-            if (!unzipAndCheck()) return cleanup(0);
+            if (!unzipAndCheck()) return 0;
-            publishProgress(magiskManager.getString(R.string.zip_install_progress_msg, mFilename));
+            mList.add(magiskManager.getString(R.string.zip_install_progress_msg, mFilename));
-            ret = magiskManager.rootShell.su(
+            magiskManager.rootShell.su(mList,
-                    "BOOTMODE=true sh " + mScriptFile + " dummy 1 " + mCachedFile,
+                    "BOOTMODE=true sh " + mScriptFile + " dummy 1 " + mCachedFile +
-                    "if [ $? -eq 0 ]; then echo true; else echo false; fi"
+                            " && echo 'Success!' || echo 'Failed!'"
             );
-            if (!Utils.isValidShellResponse(ret)) return -1;
+            if (TextUtils.equals(mList.get(mList.size() - 1), "Success!"))
-            Logger.dev("FlashZip: Console log:");
+                return 1;
-            for (String line : ret) {
+        } catch (Exception e) {
-                Logger.dev(line);
-            }
-            if (Boolean.parseBoolean(ret.get(ret.size() - 1)))
-                return cleanup(1);
-
-        } catch (Throwable e) {
             e.printStackTrace();
         }
-        return cleanup(-1);
+        return -1;
     }
 
     // -1 = error, manual install; 0 = invalid zip; 1 = success
     @Override
     protected void onPostExecute(Integer result) {
-        progress.dismiss();
+        magiskManager.rootShell.su_raw(
+                "rm -rf " + mCachedFile.getParent() + "/*",
+                "rm -rf " + MagiskManager.TMP_FOLDER_PATH
+        );
         switch (result) {
             case -1:
-                Toast.makeText(magiskManager, magiskManager.getString(R.string.install_error), Toast.LENGTH_LONG).show();
+                mList.add(magiskManager.getString(R.string.install_error));
                 Utils.showUriSnack(activity, mUri);
                 break;
             case 0:
-                Toast.makeText(magiskManager, magiskManager.getString(R.string.invalid_zip), Toast.LENGTH_LONG).show();
+                mList.add(magiskManager.getString(R.string.invalid_zip));
                 break;
             case 1:
                 onSuccess();
@@ -140,14 +119,6 @@ public class FlashZip extends ParallelTask<Void, String, Integer> {
     }
 
     protected void onSuccess() {
-        magiskManager.updateCheckDone.trigger();
         new LoadModules(activity).exec();
-
-        new AlertDialogBuilder(activity)
-                .setTitle(R.string.reboot_title)
-                .setMessage(R.string.reboot_msg)
-                .setPositiveButton(R.string.reboot, (dialogInterface, i) -> magiskManager.rootShell.su_raw("reboot"))
-                .setNegativeButton(R.string.no_thanks, null)
-                .show();
     }
 }

app/src/main/java/com/topjohnwu/magisk/asyncs/MagiskHide.java

@@ -8,8 +8,6 @@ public class MagiskHide extends ParallelTask<Object, Void, Void> {
 
     private boolean isList = false;
 
-    public MagiskHide() {}
-
     public MagiskHide(Activity context) {
         super(context);
     }

app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessMagiskZip.java

@@ -1,56 +0,0 @@
-package com.topjohnwu.magisk.asyncs;
-
-import android.app.Activity;
-import android.app.ProgressDialog;
-import android.net.Uri;
-
-import com.topjohnwu.magisk.R;
-import com.topjohnwu.magisk.utils.Shell;
-import com.topjohnwu.magisk.utils.Utils;
-
-public class ProcessMagiskZip extends ParallelTask<Void, Void, Boolean> {
-
-    private Uri mUri;
-    private ProgressDialog progressDialog;
-    private String mBoot;
-    private boolean mEnc, mVerity;
-
-    public ProcessMagiskZip(Activity context, Uri uri, String boot, boolean enc, boolean verity) {
-        super(context);
-        mUri = uri;
-        mBoot = boot;
-        mEnc = enc;
-        mVerity = verity;
-    }
-
-    @Override
-    protected void onPreExecute() {
-        progressDialog = ProgressDialog.show(activity,
-                activity.getString(R.string.zip_process_title),
-                activity.getString(R.string.zip_unzip_msg));
-    }
-
-    @Override
-    protected Boolean doInBackground(Void... params) {
-        if (Shell.rootAccess()) {
-            magiskManager.rootShell.su_raw("rm -f /dev/.magisk",
-                    (mBoot != null) ? "echo \"BOOTIMAGE=" + mBoot + "\" >> /dev/.magisk" : "",
-                    "echo \"KEEPFORCEENCRYPT=" + String.valueOf(mEnc) + "\" >> /dev/.magisk",
-                    "echo \"KEEPVERITY=" + String.valueOf(mVerity) + "\" >> /dev/.magisk"
-            );
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    protected void onPostExecute(Boolean result) {
-        progressDialog.dismiss();
-        if (result) {
-            new FlashZip(activity, mUri).exec();
-        } else {
-            Utils.showUriSnack(activity, mUri);
-        }
-        super.onPostExecute(result);
-    }
-}

app/src/main/java/com/topjohnwu/magisk/asyncs/ProcessRepoZip.java

@@ -2,9 +2,11 @@ package com.topjohnwu.magisk.asyncs;
 
 import android.app.Activity;
 import android.app.ProgressDialog;
+import android.content.Intent;
 import android.net.Uri;
 import android.widget.Toast;
 
+import com.topjohnwu.magisk.FlashActivity;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.utils.Logger;
 import com.topjohnwu.magisk.utils.Shell;
@@ -85,13 +87,12 @@ public class ProcessRepoZip extends ParallelTask<Void, Void, Boolean> {
         progressDialog.dismiss();
         if (result) {
             if (Shell.rootAccess() && mInstall) {
-                new FlashZip(activity, mUri).exec();
+                magiskManager.startActivity(new Intent(magiskManager, FlashActivity.class).setData(mUri));
             } else {
                 Utils.showUriSnack(activity, mUri);
             }
-
         } else {
-            Toast.makeText(activity, R.string.process_error, Toast.LENGTH_LONG).show();
+            magiskManager.toast(R.string.process_error, Toast.LENGTH_LONG);
         }
     }
 }

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

@@ -0,0 +1,36 @@
+package com.topjohnwu.magisk.utils;
+
+import android.support.v7.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+public class AdaptiveList<E> extends ArrayList<E> {
+
+    private Runnable callback;
+    private RecyclerView mView;
+
+    public AdaptiveList(RecyclerView v) {
+        mView = v;
+    }
+
+    public void updateView() {
+        mView.getAdapter().notifyDataSetChanged();
+        mView.scrollToPosition(mView.getAdapter().getItemCount() - 1);
+    }
+
+    public void setCallback(Runnable cb) {
+        callback = cb;
+    }
+
+    public boolean add(E e) {
+        boolean ret = super.add(e);
+        if (ret) {
+            if (callback == null) {
+                updateView();
+            } else {
+                callback.run();
+            }
+        }
+        return ret;
+    }
+}

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

@@ -44,19 +44,19 @@ public class Utils {
     private static final int APK_UPDATE_NOTIFICATION_ID = 2;
 
     public static boolean itemExist(Shell shell, String path) {
-        String command = "if [ -e " + path + " ]; then echo true; else echo false; fi";
+        String command = "[ -e " + path + " ] && echo true || echo false";
         List<String> ret = shell.su(command);
         return isValidShellResponse(ret) && Boolean.parseBoolean(ret.get(0));
     }
 
     public static void createFile(Shell shell, String path) {
         String folder = path.substring(0, path.lastIndexOf('/'));
-        String command = "mkdir -p " + folder + " 2>/dev/null; touch " + path + " 2>/dev/null; if [ -f \"" + path + "\" ]; then echo true; else echo false; fi";
+        String command = "mkdir -p " + folder + " 2>/dev/null; touch " + path + " 2>/dev/null;";
         shell.su_raw(command);
     }
 
     public static void removeItem(Shell shell, String path) {
-        String command = "rm -rf " + path + " 2>/dev/null; if [ -e " + path + " ]; then echo false; else echo true; fi";
+        String command = "rm -rf " + path + " 2>/dev/null";
         shell.su_raw(command);
     }
 

app/src/main/res/layout/activity_flash.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical"
+    android:background="@android:color/black"
+    tools:context="com.topjohnwu.magisk.FlashActivity">
+
+    <include layout="@layout/toolbar"/>
+
+    <HorizontalScrollView
+        android:layout_weight="1"
+        android:layout_width="match_parent"
+        android:layout_height="0dp">
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/flash_logs"
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            app:layoutManager="android.support.v7.widget.LinearLayoutManager">
+
+        </android.support.v7.widget.RecyclerView>
+
+    </HorizontalScrollView>
+
+    <LinearLayout
+        android:id="@+id/button_panel"
+        style="?android:buttonStyle"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="10dp"
+        android:background="@android:color/darker_gray"
+        android:orientation="horizontal"
+        android:visibility="gone">
+
+        <Button
+            android:id="@+id/no_thanks"
+            style="?android:borderlessButtonStyle"
+            android:layout_width="0dp"
+            android:layout_height="50dp"
+            android:layout_weight="1"
+            android:text="@string/close" />
+
+        <Button
+            android:id="@+id/reboot"
+            style="?android:borderlessButtonStyle"
+            android:layout_width="0dp"
+            android:layout_height="50dp"
+            android:layout_weight="1"
+            android:text="@string/reboot" />
+
+    </LinearLayout>
+
+</LinearLayout>

app/src/main/res/layout/list_item_flashlog.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/textView"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:fontFamily="monospace"
+    android:textColor="@android:color/white"
+    android:textSize="10sp" />

app/src/main/res/values/strings.xml

@@ -133,6 +133,7 @@
     <string name="manager_update_title">New Magisk Manager Update Available!</string>
     <string name="manager_download_install">Press to download and install</string>
     <string name="magisk_updates">Magisk Updates</string>
+    <string name="flashing">Flashing</string>
 
     <!--Settings Activity -->
     <string name="settings_general_category">General</string>