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| /*
* Copyright 2019 Google LLC
*
* 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
*
* https://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.example.android.camera2.basic
import android.os.Bundle
import android.view.View
import android.widget.FrameLayout
import android.widget.ImageButton
import androidx.appcompat.app.AppCompatActivity
class CameraActivity : AppCompatActivity() {
private lateinit var container: FrameLayout
private lateinit var settings: ImageButton
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_camera)
container = findViewById(R.id.fragment_container)
}
override fun onResume() {
super.onResume()
// Before setting full screen flags, we must wait a bit to let UI settle; otherwise, we may
// be trying to set app to immersive mode before it's ready and the flags do not stick
container.postDelayed({
container.systemUiVisibility = FLAGS_FULLSCREEN
}, IMMERSIVE_FLAG_TIMEOUT)
}
companion object {
/** Combination of all flags required to put activity into immersive mode */
const val FLAGS_FULLSCREEN =
View.SYSTEM_UI_FLAG_LOW_PROFILE or
View.SYSTEM_UI_FLAG_FULLSCREEN or
View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
/** Milliseconds used for UI animations */
const val ANIMATION_FAST_MILLIS = 50L
const val ANIMATION_SLOW_MILLIS = 100L
private const val IMMERSIVE_FLAG_TIMEOUT = 500L
}
} |
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