content: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * Licensed 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 com.android.launcher3.util;
  
  import static androidx.test.InstrumentationRegistry.getContext;
  import static androidx.test.InstrumentationRegistry.getInstrumentation;
  
  import android.content.res.Resources;
  
  import androidx.test.uiautomator.UiDevice;
  
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  
  public class TestUtil {
      public static final String DUMMY_PACKAGE = "com.example.android.aardwolf";
  
      public static void installDummyApp() throws IOException {
          // Copy apk from resources to a local file and install from there.
          final Resources resources = getContext().getResources();
          final InputStream in = resources.openRawResource(
                  resources.getIdentifier("aardwolf_dummy_app",
                          "raw", getContext().getPackageName()));
          final String apkFilename = getInstrumentation().getTargetContext().
                  getFilesDir().getPath() + "/dummy_app.apk";
  
          final FileOutputStream out = new FileOutputStream(apkFilename);
          byte[] buff = new byte[1024];
          int read;
  
          while ((read = in.read(buff)) > 0) {
              out.write(buff, 0, read);
          }
          in.close();
          out.close();
  
          UiDevice.getInstance(getInstrumentation()).executeShellCommand("pm install " + apkFilename);
      }
  
      public static void uninstallDummyApp() throws IOException {
          UiDevice.getInstance(getInstrumentation()).executeShellCommand(
                  "pm uninstall " + DUMMY_PACKAGE);
      }
  }
  