desc:摄像头视频预览
xiaowusky
2 years ago
parent
65cc6c2d5f
commit
e0feb94d2a
Binary file not shown.
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package com.yinuo.safetywatcher.ui.home
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import android.view.TextureView
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import androidx.compose.foundation.background
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxHeight
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.width
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import androidx.compose.material3.Button
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.platform.LocalContext
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.viewinterop.AndroidView
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import androidx.lifecycle.viewmodel.compose.viewModel
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import com.google.accompanist.permissions.ExperimentalPermissionsApi
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import com.google.accompanist.permissions.rememberMultiplePermissionsState
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import com.yinuo.safetywatcher.navi.ModelPath
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import com.yinuo.safetywatcher.navi.NavigationUtil
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@OptIn(ExperimentalPermissionsApi::class)
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@Composable
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fun HomeView() {
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Column(modifier = Modifier.fillMaxSize()) {
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Text(text = "Home")
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// 权限
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val permissionsState = rememberMultiplePermissionsState(
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permissions = listOf(
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android.Manifest.permission.READ_EXTERNAL_STORAGE,
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android.Manifest.permission.WRITE_EXTERNAL_STORAGE,
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android.Manifest.permission.CAMERA,
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)
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)
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if (permissionsState.allPermissionsGranted) {
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val viewModel: HomeViewModel = viewModel()
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val context = LocalContext.current
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Row(modifier = Modifier.fillMaxSize()) {
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AndroidView(factory = {
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TextureView(it)
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}, modifier = Modifier
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.fillMaxHeight()
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.width(200.dp), update = {
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viewModel.setTextureView(it, context);
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})
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Button(onClick = { NavigationUtil.to(ModelPath.Setting) }) {
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Text(text = "设置")
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Column(
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modifier = Modifier
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.width(150.dp)
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.fillMaxHeight()
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.background(Color.Red)
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) {
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Button(onClick = { NavigationUtil.to(ModelPath.Setting) }) {
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Text(text = "设置")
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}
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}
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}
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} else {
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LaunchedEffect(Unit) {
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permissionsState.launchMultiplePermissionRequest()
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}
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}
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}
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@ -0,0 +1,61 @@
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package com.yinuo.safetywatcher.ui.home
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import android.annotation.SuppressLint
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import android.content.Context
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import android.graphics.SurfaceTexture
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import android.util.Log
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import android.view.TextureView
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import androidx.activity.ComponentActivity
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import androidx.lifecycle.LifecycleOwner
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import androidx.lifecycle.ViewModel
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import com.yinuo.safetywatcher.utils.RxHelper
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import com.yinuo.safetywatcher.utils.SurfaceTextureListenerWrapper
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import io.reactivex.Single
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import org.easydarwin.push.MediaStream
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class HomeViewModel : ViewModel() {
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@SuppressLint("StaticFieldLeak")
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private var mediaStream: MediaStream? = null
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private fun getMediaStream(context: Context, owner: LifecycleOwner): Single<MediaStream?>? {
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val single: Single<MediaStream?> =
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RxHelper.single(MediaStream.getBindedMediaStream(context, owner), mediaStream)
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return if (mediaStream == null) {
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single.doOnSuccess { ms -> mediaStream = ms }
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} else {
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single
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}
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}
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@SuppressLint("CheckResult")
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fun setTextureView(it: TextureView, context: Context) {
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if (context is ComponentActivity) {
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val activity: ComponentActivity = context
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getMediaStream(context, activity)?.subscribe(
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{ ms ->
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if (it.isAvailable) {
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ms?.setSurfaceTexture(it.surfaceTexture)
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} else {
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it.surfaceTextureListener = object : SurfaceTextureListenerWrapper() {
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override fun onSurfaceTextureAvailable(
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surfaceTexture: SurfaceTexture,
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i: Int,
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i1: Int
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) {
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ms?.setSurfaceTexture(surfaceTexture)
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}
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override fun onSurfaceTextureDestroyed(surfaceTexture: SurfaceTexture): Boolean {
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ms?.setSurfaceTexture(null)
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return true
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}
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}
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}
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},
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{
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Log.w("HomeViewModel", "创建服务出错!" + it.message)
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})
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}
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}
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}
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@ -0,0 +1,47 @@
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package com.yinuo.safetywatcher.utils;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import org.easydarwin.util.AbstractSubscriber;
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import org.reactivestreams.Publisher;
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import io.reactivex.Single;
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import io.reactivex.subjects.PublishSubject;
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/**
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* Created by apple on 2017/12/22.
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*/
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public class RxHelper {
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static boolean IGNORE_ERROR = false;
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public static <T> Single<T> single(@NonNull Publisher<T> t, @Nullable T defaultValueIfNotNull){
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if (defaultValueIfNotNull != null) return Single.just(defaultValueIfNotNull);
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final PublishSubject sub = PublishSubject.create();
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t.subscribe(new AbstractSubscriber<T>() {
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@Override
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public void onNext(T t) {
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super.onNext(t);
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sub.onNext(t);
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}
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@Override
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public void onError(Throwable t) {
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if (IGNORE_ERROR) {
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super.onError(t);
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sub.onComplete();
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}else {
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sub.onError(t);
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}
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}
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@Override
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public void onComplete() {
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super.onComplete();
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sub.onComplete();
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}
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});
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return sub.firstOrError();
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}
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}
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@ -0,0 +1,27 @@
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package com.yinuo.safetywatcher.utils;
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import android.graphics.SurfaceTexture;
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import android.view.TextureView;
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/**
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* Created by apple on 2017/9/11.
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*/
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public abstract class SurfaceTextureListenerWrapper implements TextureView.SurfaceTextureListener{
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@Override
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public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int i, int i1) {
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}
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@Override
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public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
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return true;
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}
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@Override
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public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
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}
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}
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