text: /*
   * Copyright (C) 2017 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.multiwindowplayground
  
  import android.app.ActivityOptions
  import android.content.Intent
  import android.graphics.Rect
  import android.os.Bundle
  import android.util.Log
  import android.view.View
  import com.android.multiwindowplayground.activities.AdjacentActivity
  import com.android.multiwindowplayground.activities.BasicActivity
  import com.android.multiwindowplayground.activities.CustomConfigurationChangeActivity
  import com.android.multiwindowplayground.activities.LOG_TAG
  import com.android.multiwindowplayground.activities.LaunchBoundsActivity
  import com.android.multiwindowplayground.activities.LoggingActivity
  import com.android.multiwindowplayground.activities.MinimumSizeActivity
  import com.android.multiwindowplayground.activities.UnresizableActivity
  
  class MainActivity : LoggingActivity() {
  
      override fun onCreate(savedInstanceState: Bundle?) {
          super.onCreate(savedInstanceState)
          setContentView(R.layout.activity_main)
  
          // Display an additional message if the app is not in multiwindow mode.
          findViewById<View>(R.id.warning_multiwindow_disabled).visibility =
                  if (!isInMultiWindowMode) View.VISIBLE else View.GONE
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartUnresizableClick(view: View) {
          Log.d(LOG_TAG, "** starting UnresizableActivity")
  
          /*
           * This activity is marked as 'unresizable' in the AndroidManifest. We need to specify the
           * FLAG_ACTIVITY_NEW_TASK flag here to launch it into a new task stack, otherwise the
           * properties from the root activity would have been inherited (which was here marked as
           * resizable by default).
          */
          val intent = Intent(this, UnresizableActivity::class.java).apply {
              flags = Intent.FLAG_ACTIVITY_NEW_TASK
          }
          startActivity(intent)
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartMinimumSizeActivity(view: View) {
          Log.d(LOG_TAG, "** starting MinimumSizeActivity")
          startActivity(Intent(this, MinimumSizeActivity::class.java))
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartAdjacentActivity(view: View) {
          Log.d(LOG_TAG, "** starting AdjacentActivity")
  
          /*
           * Start this activity adjacent to the focused activity (ie. this activity) if possible.
           * Note that this flag is just a hint to the system and may be ignored. For example,
           * if the activity is launched within the same task, it will be launched on top of the
           * previous activity that started the Intent. That's why the Intent.FLAG_ACTIVITY_NEW_TASK
           * flag is specified here in the intent - this will start the activity in a new task.
           */
          val intent = Intent(this, AdjacentActivity::class.java).apply {
              addFlags(Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT or Intent.FLAG_ACTIVITY_NEW_TASK)
          }
          startActivity(intent)
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartLaunchBoundsActivity(view: View) {
          Log.d(LOG_TAG, "** starting LaunchBoundsActivity")
  
          // Define the bounds in which the Activity will be launched into.
          val bounds = Rect(500, 300, 100, 0)
  
          // Set the bounds as an activity option.
          val options = ActivityOptions.makeBasic().apply {
              launchBounds = bounds
          }
  
          // Start the LaunchBoundsActivity with the specified options
          val intent = Intent(this, LaunchBoundsActivity::class.java)
          startActivity(intent, options.toBundle())
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartBasicActivity(view: View) {
          Log.d(LOG_TAG, "** starting BasicActivity")
  
          // Start an Activity with the default options in the 'singleTask' launch mode as defined in
          // the AndroidManifest.xml.
          startActivity(Intent(this, BasicActivity::class.java))
      }
  
      @Suppress("UNUSED_PARAMETER")
      fun onStartCustomConfigurationActivity(view: View) {
          Log.d(LOG_TAG, "** starting CustomConfigurationChangeActivity")
  
          // Start an Activity that handles all configuration changes itself.
          startActivity(Intent(this, CustomConfigurationChangeActivity::class.java))
      }
  
  }
  