/
PictureInPictureSnippets.kt
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/
PictureInPictureSnippets.kt
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/*
* Copyright 2023 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
*
* 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.compose.snippets.pictureinpicture
import android.app.PictureInPictureParams
import android.app.RemoteAction
import android.content.BroadcastReceiver
import android.content.Context
import android.content.ContextWrapper
import android.content.Intent
import android.content.IntentFilter
import android.os.Build
import android.util.Log
import android.util.Rational
import androidx.activity.ComponentActivity
import androidx.annotation.RequiresApi
import androidx.compose.foundation.layout.Column
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.toAndroidRectF
import androidx.compose.ui.layout.boundsInWindow
import androidx.compose.ui.layout.onGloballyPositioned
import androidx.compose.ui.platform.LocalContext
import androidx.core.app.PictureInPictureModeChangedInfo
import androidx.core.content.ContextCompat
import androidx.core.graphics.toRect
import androidx.core.util.Consumer
import androidx.media3.common.Player
import androidx.media3.exoplayer.ExoPlayer
var shouldEnterPipMode by mutableStateOf(false)
private const val PIP_TAG = "PiP info"
// [START android_compose_pip_broadcast_receiver_constants]
// Constant for broadcast receiver
const val ACTION_BROADCAST_CONTROL = "broadcast_control"
// Intent extras for broadcast controls from Picture-in-Picture mode.
const val EXTRA_CONTROL_TYPE = "control_type"
const val EXTRA_CONTROL_PLAY = 1
const val EXTRA_CONTROL_PAUSE = 2
// [END android_compose_pip_broadcast_receiver_constants]
@Composable
fun PiPBuilderSetAutoEnterEnabled(
modifier: Modifier = Modifier
) {
val context = LocalContext.current
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// [START android_compose_pip_builder_auto_enter]
val pipModifier = modifier.onGloballyPositioned { layoutCoordinates ->
val builder = PictureInPictureParams.Builder()
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
builder.setAutoEnterEnabled(true)
}
context.findActivity().setPictureInPictureParams(builder.build())
}
VideoPlayer(pipModifier)
// [END android_compose_pip_builder_auto_enter]
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}
// [START android_compose_pip_find_activity]
internal fun Context.findActivity(): ComponentActivity {
var context = this
while (context is ContextWrapper) {
if (context is ComponentActivity) return context
context = context.baseContext
}
throw IllegalStateException("Picture in picture should be called in the context of an Activity")
}
// [END android_compose_pip_find_activity]
@Composable
fun EnterPiPThroughButton() {
// [START android_compose_pip_button_click]
val context = LocalContext.current
Button(onClick = {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
context.findActivity().enterPictureInPictureMode(
PictureInPictureParams.Builder().build()
)
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}) {
Text(text = "Enter PiP mode!")
}
// [END android_compose_pip_button_click]
}
// [START android_compose_pip_is_in_pip_mode]
@Composable
fun rememberIsInPipMode(): Boolean {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val activity = LocalContext.current.findActivity()
var pipMode by remember { mutableStateOf(activity.isInPictureInPictureMode) }
DisposableEffect(activity) {
val observer = Consumer<PictureInPictureModeChangedInfo> { info ->
pipMode = info.isInPictureInPictureMode
}
activity.addOnPictureInPictureModeChangedListener(
observer
)
onDispose { activity.removeOnPictureInPictureModeChangedListener(observer) }
}
return pipMode
} else {
return false
}
}
// [END android_compose_pip_is_in_pip_mode]
@Composable
fun VideoPlayer() {
}
@Composable
fun VideoPlayer(modifier: Modifier) {
}
@Composable
fun ToggleUIBasedOnPiP(
modifier: Modifier = Modifier,
) {
// [START android_compose_pip_ui_toggle]
val inPipMode = rememberIsInPipMode()
Column(modifier = modifier) {
// This text will only show up when the app is not in PiP mode
if (!inPipMode) {
Text(
text = "Picture in Picture",
)
}
VideoPlayer()
}
// [END android_compose_pip_ui_toggle]
}
fun initializePlayer(context: Context) {
val player = ExoPlayer.Builder(context.applicationContext)
.build().apply {}
// [START android_compose_pip_toggle_pip_on_if_video_is_playing]
player.addListener(object : Player.Listener {
override fun onIsPlayingChanged(isPlaying: Boolean) {
shouldEnterPipMode = isPlaying
}
})
// [END android_compose_pip_toggle_pip_on_if_video_is_playing]
}
// [START android_compose_pip_release_player]
fun releasePlayer() {
shouldEnterPipMode = false
}
// [END android_compose_pip_release_player]
@Composable
fun PiPBuilderSetAutoEnterEnabledUsingState(
shouldEnterPipMode: Boolean,
modifier: Modifier = Modifier,
) {
val context = LocalContext.current
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// [START android_compose_pip_post_12_should_enter_pip]
val pipModifier = modifier.onGloballyPositioned { layoutCoordinates ->
val builder = PictureInPictureParams.Builder()
// Add autoEnterEnabled for versions S and up
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
builder.setAutoEnterEnabled(shouldEnterPipMode)
}
context.findActivity().setPictureInPictureParams(builder.build())
}
VideoPlayer(pipModifier)
// [END android_compose_pip_post_12_should_enter_pip]
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}
@Composable
fun PiPBuilderSetSourceRect(
shouldEnterPipMode: Boolean,
modifier: Modifier = Modifier,
) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// [START android_compose_pip_set_source_rect]
val context = LocalContext.current
val pipModifier = modifier.onGloballyPositioned { layoutCoordinates ->
val builder = PictureInPictureParams.Builder()
if (shouldEnterPipMode) {
val sourceRect = layoutCoordinates.boundsInWindow().toAndroidRectF().toRect()
builder.setSourceRectHint(sourceRect)
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
builder.setAutoEnterEnabled(shouldEnterPipMode)
}
context.findActivity().setPictureInPictureParams(builder.build())
}
VideoPlayer(pipModifier)
// [END android_compose_pip_set_source_rect]
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}
@Composable
fun PiPBuilderSetAspectRatio(
shouldEnterPipMode: Boolean,
modifier: Modifier = Modifier,
) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// [START android_compose_pip_set_aspect_ratio]
val context = LocalContext.current
val pipModifier = modifier.onGloballyPositioned { layoutCoordinates ->
val builder = PictureInPictureParams.Builder()
if (shouldEnterPipMode) {
val sourceRect = layoutCoordinates.boundsInWindow().toAndroidRectF().toRect()
builder.setSourceRectHint(sourceRect)
builder.setAspectRatio(
Rational(sourceRect.width(), sourceRect.height())
)
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
builder.setAutoEnterEnabled(shouldEnterPipMode)
}
context.findActivity().setPictureInPictureParams(builder.build())
}
VideoPlayer(pipModifier)
// [END android_compose_pip_set_aspect_ratio]
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}
// [START android_compose_pip_broadcast_receiver]
@RequiresApi(Build.VERSION_CODES.O)
@Composable
fun PlayerBroadcastReceiver(player: Player?) {
val isInPipMode = rememberIsInPipMode()
if (!isInPipMode || player == null) {
// Broadcast receiver is only used if app is in PiP mode and player is non null
return
}
val context = LocalContext.current
DisposableEffect(player) {
val broadcastReceiver: BroadcastReceiver = object : BroadcastReceiver() {
override fun onReceive(context: Context?, intent: Intent?) {
if ((intent == null) || (intent.action != ACTION_BROADCAST_CONTROL)) {
return
}
when (intent.getIntExtra(EXTRA_CONTROL_TYPE, 0)) {
EXTRA_CONTROL_PAUSE -> player.pause()
EXTRA_CONTROL_PLAY -> player.play()
}
}
}
ContextCompat.registerReceiver(
context,
broadcastReceiver,
IntentFilter(ACTION_BROADCAST_CONTROL),
ContextCompat.RECEIVER_NOT_EXPORTED
)
onDispose {
context.unregisterReceiver(broadcastReceiver)
}
}
}
// [END android_compose_pip_broadcast_receiver]
@RequiresApi(Build.VERSION_CODES.O)
fun listOfRemoteActions(): List<RemoteAction> {
return listOf()
}
@Composable
fun PiPBuilderAddRemoteActions(
shouldEnterPipMode: Boolean,
modifier: Modifier = Modifier,
) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
// [START android_compose_pip_add_remote_actions]
val context = LocalContext.current
val pipModifier = modifier.onGloballyPositioned { layoutCoordinates ->
val builder = PictureInPictureParams.Builder()
builder.setActions(
listOfRemoteActions()
)
if (shouldEnterPipMode) {
val sourceRect = layoutCoordinates.boundsInWindow().toAndroidRectF().toRect()
builder.setSourceRectHint(sourceRect)
builder.setAspectRatio(
Rational(sourceRect.width(), sourceRect.height())
)
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
builder.setAutoEnterEnabled(shouldEnterPipMode)
}
context.findActivity().setPictureInPictureParams(builder.build())
}
VideoPlayer(modifier = pipModifier)
// [END android_compose_pip_add_remote_actions]
} else {
Log.i(PIP_TAG, "API does not support PiP")
}
}