/// <summary>
/// Tries to install and run the Instant Preview android app.
/// </summary>
/// <param name="adbPath">Path to adb to use for installing.</param>
/// <param name="localVersion">Local version of Instant Preview plugin to compare installed APK against.</param>
/// <returns>Enumerator for coroutine that handles installation if necessary.</returns>
private static IEnumerator InstallApkAndRunIfConnected(string adbPath, string localVersion)
{
string apkPath = null;
#if UNITY_EDITOR
apkPath = UnityEditor.AssetDatabase.GUIDToAssetPath(k_ApkGuid);
#endif // !UNITY_EDITOR
// Early outs if set to install but the apk can't be found.
if (!File.Exists(apkPath))
{
Debug.LogError(
string.Format("Trying to install Instant Preview apk but reference to InstantPreview.apk is " +
"broken. Couldn't find an asset with .meta file guid={0}", k_ApkGuid));
yield break;
}
Result result = new Result();
Thread checkAdbThread = new Thread((object obj) =>
{
Result res = (Result)obj;
string output;
string errors;
// Gets version of installed apk.
RunAdbCommand(adbPath, "shell dumpsys package com.google.ar.core.instantpreview | grep versionName",
out output, out errors);
string installedVersion = null;
if (!string.IsNullOrEmpty(output) && string.IsNullOrEmpty(errors))
{
installedVersion = output.Substring(output.IndexOf('=') + 1);
}
// Early outs if no device is connected.
if (string.Compare(errors, k_NoDevicesFoundAdbResult) == 0)
{
return;
}
// Prints errors and exits on failure.
if (!string.IsNullOrEmpty(errors))
{
Debug.LogError(errors);
return;
}
if (installedVersion == null)
{
Debug.Log(string.Format(
"Instant Preview: app not found on device, attempting to install it from {0}.",
apkPath));
}
else if (installedVersion != localVersion)
{
Debug.Log(string.Format(
"Instant Preview: installed version \"{0}\" does not match local version \"{1}\", attempting upgrade.",
installedVersion, localVersion));
}
res.ShouldPromptForInstall = installedVersion != localVersion;
});
checkAdbThread.Start(result);
while (!checkAdbThread.Join(0))
{
yield return(0);
}
if (result.ShouldPromptForInstall)
{
if (PromptToInstall())
{
Thread installThread = new Thread(() =>
{
string output;
string errors;
RunAdbCommand(adbPath,
string.Format("uninstall com.google.ar.core.instantpreview", apkPath),
out output, out errors);
RunAdbCommand(adbPath,
string.Format("install \"{0}\"", apkPath),
out output, out errors);
// Prints any output from trying to install.
if (!string.IsNullOrEmpty(output))
{
Debug.Log(output);
}
if (!string.IsNullOrEmpty(errors))
{
if (string.Equals(errors, "Success"))
{
Debug.Log("Successfully installed Instant Preview app.");
}
else
{
Debug.LogError(errors);
}
}
});
installThread.Start();
while (!installThread.Join(0))
{
yield return(0);
}
}
else
{
yield break;
}
}
if (!NativeApi.IsConnected())
{
new Thread(() =>
{
string output;
string errors;
RunAdbCommand(adbPath,
"shell am start -n com.google.ar.core.instantpreview/.InstantPreviewActivity",
out output, out errors);
}).Start();
}
}
public SessionApi(NativeApi nativeApi)
{
m_NativeApi = nativeApi;
}
private static IEnumerator UpdateLoop()
{
// Creates a target texture to capture the preview window onto.
// Some video encoders prefer the dimensions to be a multiple of 16.
var targetWidth = RoundUpToNearestMultipleOf16(Screen.width);
var targetHeight = RoundUpToNearestMultipleOf16(Screen.height);
var screenTexture = new RenderTexture(targetWidth, targetHeight, 0);
var renderEventFunc = NativeApi.GetRenderEventFunc();
var shouldConvertToBrgra = SystemInfo.graphicsDeviceType == GraphicsDeviceType.Direct3D11;
var targetTexture = screenTexture;
RenderTexture bgrTexture = null;
if (shouldConvertToBrgra)
{
bgrTexture = new RenderTexture(screenTexture.width, screenTexture.height, 0, RenderTextureFormat.BGRA32);
targetTexture = bgrTexture;
}
var loggedAspectRatioWarning = false;
// Begins update loop. The coroutine will cease when the
// ARCoreSession component it's called from is destroyed.
for (;;)
{
yield return(k_WaitForEndOfFrame);
NativeApi.Update();
InstantPreviewInput.Update();
AddInstantPreviewTrackedPoseDriverWhenNeeded();
Graphics.Blit(null, screenTexture);
if (shouldConvertToBrgra)
{
Graphics.Blit(screenTexture, bgrTexture);
}
var cameraTexture = Frame.CameraImage.Texture;
if (!loggedAspectRatioWarning && cameraTexture != null)
{
var sourceWidth = cameraTexture.width;
var sourceHeight = cameraTexture.height;
var sourceAspectRatio = (float)sourceWidth / sourceHeight;
var destinationWidth = Screen.width;
var destinationHeight = Screen.height;
var destinationAspectRatio = (float)destinationWidth / destinationHeight;
if (Mathf.Abs(sourceAspectRatio - destinationAspectRatio) >
k_MaxTolerableAspectRatioDifference)
{
Debug.LogWarning(string.Format(k_MismatchedAspectRatioWarningFormatString, sourceWidth,
sourceHeight));
loggedAspectRatioWarning = true;
}
}
NativeApi.SendFrame(targetTexture.GetNativeTexturePtr());
GL.IssuePluginEvent(renderEventFunc, 69);
}
}
private static IEnumerator UpdateLoop(string adbPath)
{
var renderEventFunc = NativeApi.GetRenderEventFunc();
var shouldConvertToBgra =
SystemInfo.graphicsDeviceType == GraphicsDeviceType.Direct3D11;
var loggedAspectRatioWarning = false;
// Waits until the end of the first frame until capturing the screen size,
// because it might be incorrect when first querying it.
yield return(k_WaitForEndOfFrame);
var currentWidth = 0;
var currentHeight = 0;
var needToStartActivity = true;
var prevFrameLandscape = false;
RenderTexture screenTexture = null;
RenderTexture targetTexture = null;
RenderTexture bgrTexture = null;
// Begins update loop. The coroutine will cease when the
// ARCoreSession component it's called from is destroyed.
for (;;)
{
yield return(k_WaitForEndOfFrame);
var curFrameLandscape = Screen.width > Screen.height;
if (prevFrameLandscape != curFrameLandscape)
{
needToStartActivity = true;
}
prevFrameLandscape = curFrameLandscape;
if (needToStartActivity)
{
string activityName = curFrameLandscape ? "InstantPreviewLandscapeActivity" :
"InstantPreviewActivity";
string output;
string errors;
ShellHelper.RunCommand(adbPath,
"shell am start -S -n com.google.ar.core.instantpreview/." + activityName,
out output, out errors);
needToStartActivity = false;
}
// Creates a target texture to capture the preview window onto.
// Some video encoders prefer the dimensions to be a multiple of 16.
var targetWidth = RoundUpToNearestMultipleOf16(Screen.width);
var targetHeight = RoundUpToNearestMultipleOf16(Screen.height);
if (targetWidth != currentWidth || targetHeight != currentHeight)
{
screenTexture = new RenderTexture(targetWidth, targetHeight, 0);
targetTexture = screenTexture;
if (shouldConvertToBgra)
{
bgrTexture = new RenderTexture(
screenTexture.width, screenTexture.height, 0,
RenderTextureFormat.BGRA32);
targetTexture = bgrTexture;
}
currentWidth = targetWidth;
currentHeight = targetHeight;
}
NativeApi.Update();
InstantPreviewInput.Update();
if (NativeApi.AppShowedTouchWarning())
{
Debug.LogWarning(k_InstantPreviewInputWarning);
NativeApi.UnityLoggedTouchWarning();
}
AddInstantPreviewTrackedPoseDriverWhenNeeded();
Graphics.Blit(null, screenTexture);
if (shouldConvertToBgra)
{
Graphics.Blit(screenTexture, bgrTexture);
}
var cameraTexture = Frame.CameraImage.Texture;
if (!loggedAspectRatioWarning && cameraTexture != null)
{
var sourceWidth = cameraTexture.width;
var sourceHeight = cameraTexture.height;
var sourceAspectRatio = (float)sourceWidth / sourceHeight;
var destinationWidth = Screen.width;
var destinationHeight = Screen.height;
var destinationAspectRatio = (float)destinationWidth / destinationHeight;
if (Mathf.Abs(sourceAspectRatio - destinationAspectRatio) >
k_MaxTolerableAspectRatioDifference)
{
Debug.LogWarningFormat(
k_MismatchedAspectRatioWarningFormatString, sourceAspectRatio,
destinationAspectRatio, sourceWidth, sourceHeight);
loggedAspectRatioWarning = true;
}
}
NativeApi.SendFrame(targetTexture.GetNativeTexturePtr());
GL.IssuePluginEvent(renderEventFunc, 1);
}
}