基于camera2 untiy悬浮窗摄像头预览分析(优化二)

// GENERATED BY UNITY. REMOVE THIS COMMENT TO PREVENT OVERWRITING WHEN EXPORTING AGAIN package com.unity3d.player; import android.Manifest; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.res.Configuration; import android.graphics.ImageFormat; import android.graphics.Matrix; import android.graphics.PixelFormat; import android.graphics.RectF; import android.graphics.SurfaceTexture; import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraCaptureSession; import android.hardware.camera2.CameraCharacteristics; import android.hardware.camera2.CameraDevice; import android.hardware.camera2.CameraManager; import android.hardware.camera2.CaptureRequest; import android.hardware.camera2.params.StreamConfigurationMap; import android.media.Image; import android.media.ImageReader; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.util.DisplayMetrics; import android.util.Log; import android.util.Size; import android.view.Display; import android.view.Gravity; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.Surface; import android.view.TextureView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.os.Process; import android.widget.Toast; import androidx.annotation.NonNull; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; public class UnityPlayerActivity extends Activity implements IUnityPlayerLifecycleEvents { protected UnityPlayer mUnityPlayer; // don't change the name of this variable; referenced from native code // Override this in your custom UnityPlayerActivity to tweak the command line arguments passed to the Unity Android Player // The command line arguments are passed as a string, separated by spaces // UnityPlayerActivity calls this from 'onCreate' // Supported: -force-gles20, -force-gles30, -force-gles31, -force-gles31aep, -force-gles32, -force-gles, -force-vulkan // See https://docs.unity3d.com/Manual/CommandLineArguments.html // @param cmdLine the current command line arguments, may be null // @return the modified command line string or null protected String updateUnityCommandLineArguments(String cmdLine) { return cmdLine; } // Setup activity layout @Override protected void onCreate(Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); String cmdLine = updateUnityCommandLineArguments(getIntent().getStringExtra("unity")); getIntent().putExtra("unity", cmdLine); mUnityPlayer = new UnityPlayer(this, this); setContentView(mUnityPlayer); mUnityPlayer.requestFocus(); applyForPermission(); // add by eh } // When Unity player unloaded move task to background @Override public void onUnityPlayerUnloaded() { moveTaskToBack(true); } // Callback before Unity player process is killed @Override public void onUnityPlayerQuitted() { } @Override protected void onNewIntent(Intent intent) { // To support deep linking, we need to make sure that the client can get access to // the last sent intent. The clients access this through a JNI api that allows them // to get the intent set on launch. To update that after launch we have to manually // replace the intent with the one caught here. setIntent(intent); mUnityPlayer.newIntent(intent); } // Quit Unity @Override protected void onDestroy() { mUnityPlayer.destroy(); super.onDestroy(); } // Pause Unity @Override protected void onPause() { super.onPause(); mUnityPlayer.pause(); } // Resume Unity @Override protected void onResume() { super.onResume(); mUnityPlayer.resume(); } // Low Memory Unity @Override public void onLowMemory() { super.onLowMemory(); mUnityPlayer.lowMemory(); } // Trim Memory Unity @Override public void onTrimMemory(int level) { super.onTrimMemory(level); if (level == TRIM_MEMORY_RUNNING_CRITICAL) { mUnityPlayer.lowMemory(); } } // This ensures the layout will be correct. @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mUnityPlayer.configurationChanged(newConfig); } // Notify Unity of the focus change. @Override public void onWindowFocusChanged(boolean hasFocus) { super.onWindowFocusChanged(hasFocus); mUnityPlayer.windowFocusChanged(hasFocus); } // For some reason the multiple keyevent type is not supported by the ndk. // Force event injection by overriding dispatchKeyEvent(). @Override public boolean dispatchKeyEvent(KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_MULTIPLE) return mUnityPlayer.injectEvent(event); return super.dispatchKeyEvent(event); } // Pass any events not handled by (unfocused) views straight to UnityPlayer @Override public boolean onKeyUp(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onTouchEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } /*API12*/ public boolean onGenericMotionEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } //////////////////////////增加的代码开始处//////////////////////////////////////////////////// final private static String TAG = UnityPlayerActivity.class.getName(); //供unity 调用 接口 public void OnClickBtn1() { Log.d(TAG, "android OnClickBtn1"); if (isOpenFloatingWindow()) { addFloatingWindowView(); //增加悬浮窗后 } else { openCamera(); } } //供unity 调用 接口 public void OnClickBtn2() { Log.d(TAG, "android OnClickBtn2"); if (isOpenFloatingWindow()) { releaseFloatingWindow(); } else { releaseCamera(); } } //供unity 调用 接口 暂时无用 public void OnClickBtn3() { Log.d(TAG, "android OnClickBtn3"); // myActivity.addFloatingWindowView(); exchangeCamera(); //切换相机 } ///////////////////////////////////////////////////////////////// //增加camera2 摄像头 private CameraManager mCameraManager; private CameraDevice.StateCallback mStateCallback; private CameraDevice mCameraDevice; private TextureView mTextureView; private CameraCaptureSession mCaptureSession; private CaptureRequest mPreviewRequest; private int mCameraSensorOrientation = 0; //摄像头方向 // private int mCameraFacing = CameraCharacteristics.LENS_FACING_FRONT ; //默认使用前置摄像头 private int mDisplayRotation = 0; //getDisplay().defaultDisplay.rotation //手机方向 private String cameraIdFront = "1"; //相机ID 可以自行设定 // 0 后置 1 前置 //默认使用前置摄像头 private Size[] cameraSizeFront; //相机支持的尺寸 private CameraCharacteristics cameraCharacteristicsFront; // private static final int RECV_MAX_IMAGES = 2; //同时最多接收2张图片 private ImageReader mImageReader; private TextureView.SurfaceText