Changing minimum supported Launcher version to 26

Change-Id: I49fcf874430ac53c3246371e179fbd828e14e4da
diff --git a/src/com/android/launcher3/SessionCommitReceiver.java b/src/com/android/launcher3/SessionCommitReceiver.java
index 89f0a3d..a8d6490 100644
--- a/src/com/android/launcher3/SessionCommitReceiver.java
+++ b/src/com/android/launcher3/SessionCommitReceiver.java
@@ -16,55 +16,32 @@
 
 package com.android.launcher3;
 
-import static com.android.launcher3.pm.InstallSessionHelper.getUserHandle;
-
-import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.content.SharedPreferences;
 import android.content.pm.LauncherActivityInfo;
 import android.content.pm.LauncherApps;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageInstaller.SessionInfo;
 import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.database.Cursor;
-import android.graphics.Bitmap;
-import android.net.Uri;
-import android.os.AsyncTask;
-import android.os.Build;
 import android.os.UserHandle;
-import android.provider.Settings;
 import android.text.TextUtils;
-import android.util.Log;
 
 import com.android.launcher3.pm.InstallSessionHelper;
-import com.android.launcher3.util.Executors;
 
 import java.util.List;
 
 /**
  * BroadcastReceiver to handle session commit intent.
  */
-@TargetApi(Build.VERSION_CODES.O)
 public class SessionCommitReceiver extends BroadcastReceiver {
 
-    private static final String TAG = "SessionCommitReceiver";
-
-    // The content provider for the add to home screen setting. It should be of the format:
-    // <package name>.addtohomescreen
-    private static final String MARKER_PROVIDER_PREFIX = ".addtohomescreen";
-
     // Preference key for automatically adding icon to homescreen.
     public static final String ADD_ICON_PREFERENCE_KEY = "pref_add_icon_to_home";
-    public static final String ADD_ICON_PREFERENCE_INITIALIZED_KEY =
-            "pref_add_icon_to_home_initialized";
 
     @Override
     public void onReceive(Context context, Intent intent) {
-        if (!isEnabled(context) || !Utilities.ATLEAST_OREO) {
+        if (!isEnabled(context)) {
             // User has decided to not add icons on homescreen.
             return;
         }
@@ -89,16 +66,6 @@
         queueAppIconAddition(context, info.getAppPackageName(), user);
     }
 
-    public static void queuePromiseAppIconAddition(Context context, SessionInfo sessionInfo) {
-        String packageName = sessionInfo.getAppPackageName();
-        if (context.getSystemService(LauncherApps.class)
-                .getActivityList(packageName, getUserHandle(sessionInfo)).isEmpty()) {
-            // Ensure application isn't already installed.
-            queueAppIconAddition(context, packageName, sessionInfo.getAppLabel(),
-                    sessionInfo.getAppIcon(), getUserHandle(sessionInfo));
-        }
-    }
-
     public static void queueAppIconAddition(Context context, String packageName, UserHandle user) {
         List<LauncherActivityInfo> activities = context.getSystemService(LauncherApps.class)
                 .getActivityList(packageName, user);
@@ -106,85 +73,11 @@
             // no activity found
             return;
         }
-        queueAppIconAddition(context, packageName, activities.get(0).getLabel(), null, user);
-    }
 
-    private static void queueAppIconAddition(Context context, String packageName,
-            CharSequence label, Bitmap icon, UserHandle user) {
-        Intent data = new Intent();
-        data.putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent().setComponent(
-                new ComponentName(packageName, "")).setPackage(packageName));
-        data.putExtra(Intent.EXTRA_SHORTCUT_NAME, label);
-        data.putExtra(Intent.EXTRA_SHORTCUT_ICON, icon);
-
-        InstallShortcutReceiver.queueApplication(data, user, context);
+        InstallShortcutReceiver.queueApplication(activities.get(0), context);
     }
 
     public static boolean isEnabled(Context context) {
         return Utilities.getPrefs(context).getBoolean(ADD_ICON_PREFERENCE_KEY, true);
     }
-
-    public static void applyDefaultUserPrefs(final Context context) {
-        if (!Utilities.ATLEAST_OREO) {
-            return;
-        }
-        SharedPreferences prefs = Utilities.getPrefs(context);
-        if (prefs.getAll().isEmpty()) {
-            // This logic assumes that the code is the first thing that is executed (before any
-            // shared preference is written).
-            // TODO: Move this logic to DB upgrade once we have proper support for db downgrade
-            // If it is a fresh start, just apply the default value. We use prefs.isEmpty() to infer
-            // a fresh start as put preferences always contain some values corresponding to current
-            // grid.
-            prefs.edit().putBoolean(ADD_ICON_PREFERENCE_KEY, true).apply();
-        } else if (!prefs.contains(ADD_ICON_PREFERENCE_INITIALIZED_KEY)) {
-            new PrefInitTask(context).executeOnExecutor(Executors.THREAD_POOL_EXECUTOR);
-        }
-    }
-
-    private static class PrefInitTask extends AsyncTask<Void, Void, Void> {
-        private final Context mContext;
-
-        PrefInitTask(Context context) {
-            mContext = context;
-        }
-
-        @Override
-        protected Void doInBackground(Void... voids) {
-            boolean addIconToHomeScreenEnabled = readValueFromMarketApp();
-            Utilities.getPrefs(mContext).edit()
-                    .putBoolean(ADD_ICON_PREFERENCE_KEY, addIconToHomeScreenEnabled)
-                    .putBoolean(ADD_ICON_PREFERENCE_INITIALIZED_KEY, true)
-                    .apply();
-            return null;
-        }
-
-        public boolean readValueFromMarketApp() {
-            // Get the marget package
-            ResolveInfo ri = mContext.getPackageManager().resolveActivity(
-                    new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET),
-                    PackageManager.MATCH_DEFAULT_ONLY | PackageManager.MATCH_SYSTEM_ONLY);
-            if (ri == null) {
-                return true;
-            }
-
-            Cursor c = null;
-            try {
-                c = mContext.getContentResolver().query(
-                        Uri.parse("content://" + ri.activityInfo.packageName
-                                + MARKER_PROVIDER_PREFIX),
-                        null, null, null, null);
-                if (c.moveToNext()) {
-                    return c.getInt(c.getColumnIndexOrThrow(Settings.NameValueTable.VALUE)) != 0;
-                }
-            } catch (Exception e) {
-                Log.d(TAG, "Error reading add to homescreen preference", e);
-            } finally {
-                if (c != null) {
-                    c.close();
-                }
-            }
-            return true;
-        }
-    }
 }