Android Open Source - HideAppsXposed Hide Apps Xposed

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 Marvin Frommhold for Hide Apps Xposed project (depressiveRobot@xda)
 * /*from   w w w  .j  a  v  a 2 s . c o m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file to you under the
 * Apache License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package de.depressiverobot.android.xposed.hideappsxposed;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import android.content.ComponentName;

import de.robv.android.xposed.IXposedHookLoadPackage;
import de.robv.android.xposed.IXposedHookZygoteInit;
import de.robv.android.xposed.XC_MethodHook;
import de.robv.android.xposed.XSharedPreferences;
import de.robv.android.xposed.XposedBridge;
import de.robv.android.xposed.XposedHelpers;
import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam;

public class HideAppsXposed implements IXposedHookLoadPackage, IXposedHookZygoteInit {

  // tag used for logging
  public static final String TAG = "HIDE_APPS_XPOSED: ";
  
  // GEL package and class names
  public static final String APPS_CUSTOMIZE_PAGED_VIEW_CLASS = "com.android.launcher3.AppsCustomizePagedView";
  public static final String ITEM_INFO_CLASS = "com.android.launcher3.ItemInfo";
  public static final String APP_INFO_CLASS = "com.android.launcher3.AppInfo";
  public static final List<String> GEL_PACKAGE_NAMES = new ArrayList<String>(Arrays.asList("com.android.launcher3", "com.google.android.googlequicksearchbox"));
  
  // used to store the preferences of the Hide Apps Xposed app
  private static XSharedPreferences prefs;
  
  private static Field itemInfoTitleField;
  private static Field appInfoComponentNameField;
  
  @Override
  public void initZygote(StartupParam startupParam) throws Throwable {
    
    prefs = new XSharedPreferences(HideAppsXposedSettings.PACKAGE_NAME, HideAppsXposedSettings.PREFERENCES_NAME);
  }
  
  @Override
  public void handleLoadPackage(final LoadPackageParam lpparam) throws Throwable {

    if (GEL_PACKAGE_NAMES.contains(lpparam.packageName)) {
      
      final Class<?> appsCustomizePagedViewClass =  XposedHelpers.findClass(APPS_CUSTOMIZE_PAGED_VIEW_CLASS, lpparam.classLoader);
      
        // as we do not have the GEL classes in the classpath we need to get
        // the information using Java reflection
      final Class<?> itemInfoClass = XposedHelpers.findClass(ITEM_INFO_CLASS, lpparam.classLoader);
        itemInfoTitleField = itemInfoClass.getDeclaredField("title");
        itemInfoTitleField.setAccessible(true);
        
        final Class<?> appInfoClass = XposedHelpers.findClass(APP_INFO_CLASS, lpparam.classLoader);
        appInfoComponentNameField = appInfoClass.getDeclaredField("componentName");
        appInfoComponentNameField.setAccessible(true);
      
        XC_MethodHook hideAppsMethodHook = new HideAppsMethodHook();
        
      // called when launcher is started
      XposedBridge.hookAllMethods(appsCustomizePagedViewClass, "setApps", hideAppsMethodHook);
      
      // called when apps get added while launcher is running
      XposedBridge.hookAllMethods(appsCustomizePagedViewClass, "addApps", hideAppsMethodHook);
      
      // called when apps get updated while launcher is running
      XposedBridge.hookAllMethods(appsCustomizePagedViewClass, "updateApps", hideAppsMethodHook);
    }
  }

  private class HideAppsMethodHook extends XC_MethodHook {
    
    @SuppressWarnings("rawtypes")
    @Override
        protected void beforeHookedMethod(final MethodHookParam param) throws Throwable {
          
          prefs.reload();
          Set<String> appsToHide = prefs.getStringSet(HideAppsXposedSettings.APPS_TO_HIDE_KEY, new HashSet<String>());
          
          // this will be called before the apps will be added
          // to the app drawer
          ArrayList apps = (ArrayList) param.args[0];
          Iterator appIter = apps.iterator();
          while (appIter.hasNext()) {
            Object app = appIter.next();
            String label = (String) itemInfoTitleField.get(app);
            String packageName = ((ComponentName) appInfoComponentNameField.get(app)).getPackageName();
            for (String appToHide : appsToHide) {
              if (appToHide.equals(label + HideAppsXposedSettings.LABEL_PACKAGENAME_SEPERATOR + packageName)) {
                appIter.remove();
                XposedBridge.log(TAG + "Hiding app: " + label + " (" + packageName + ")");
                break;
              }
            }
          }
        }
  }
  
}

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