Add generic touch to auto focus (not positoned)

camerakit/src/main/java/com/flurgle/camerakit/Camera1.java

@@ -6,6 +6,7 @@ import android.hardware.Camera;
 import android.media.CamcorderProfile;
 import android.media.MediaRecorder;
 import android.os.Build;
+import android.support.annotation.NonNull;
 import android.support.v4.util.SparseArrayCompat;
 import android.view.SurfaceHolder;
 
@@ -19,7 +20,7 @@ import java.util.List;
 import java.util.SortedSet;
 import java.util.TreeSet;
 
-public class Camera1 extends CameraViewImpl {
+public class Camera1 extends CameraImpl {
 
     private static final SparseArrayCompat<String> FLASH_MODES = new SparseArrayCompat<>();
     static {
@@ -28,10 +29,10 @@ public class Camera1 extends CameraViewImpl {
         FLASH_MODES.put(CameraKit.Constants.FLASH_AUTO, Camera.Parameters.FLASH_MODE_AUTO);
     }
 
-    private static File VIDEO_FILE;
+    private File mVideoFile;
 
     private int mCameraId;
-    Camera mCamera;
+    private Camera mCamera;
     private Camera.Parameters mCameraParameters;
     private final Camera.CameraInfo mCameraInfo = new Camera.CameraInfo();
 
@@ -46,8 +47,16 @@ public class Camera1 extends CameraViewImpl {
 
     private MediaRecorder mMediaRecorder;
 
-    Camera1(CameraListener callback, PreviewImpl preview) {
-        super(callback, preview);
+    private CameraListener mCameraListener;
+
+    Camera1(@NonNull CameraListener cameraListener, @NonNull PreviewImpl preview) {
+        super(cameraListener, preview);
+        
+        this.mCameraListener = cameraListener;
+        this.mPreviewSizes = new TreeSet<>();
+        this.mCaptureSizes = new TreeSet<>();
+        this.mVideoFile = new File(getView().getContext().getExternalFilesDir(null), "video.mp4");
+
         preview.setCallback(new PreviewImpl.Callback() {
             @Override
             public void onSurfaceChanged() {
@@ -57,11 +66,6 @@ public class Camera1 extends CameraViewImpl {
                 }
             }
         });
-
-        mPreviewSizes = new TreeSet<>();
-        mCaptureSizes = new TreeSet<>();
-
-        VIDEO_FILE = new File(getView().getContext().getExternalFilesDir(null), "video.mp4");;
     }
 
     @Override
@@ -113,11 +117,6 @@ public class Camera1 extends CameraViewImpl {
         return false;
     }
 
-    @Override
-    int getFacing() {
-        return mFacing;
-    }
-
     @Override
     void setFlash(int flash) {
         if (flash == mFlash) {
@@ -150,11 +149,6 @@ public class Camera1 extends CameraViewImpl {
         }
     }
 
-    @Override
-    int getFlash() {
-        return mFlash;
-    }
-
     @Override
     void setAutoFocus(boolean autoFocus) {
         if (autoFocus == mAutoFocus) {
@@ -178,6 +172,8 @@ public class Camera1 extends CameraViewImpl {
             } else {
                 mCameraParameters.setFocusMode(modes.get(0));
             }
+
+            mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
             return true;
         } else {
             return false;
@@ -215,7 +211,7 @@ public class Camera1 extends CameraViewImpl {
         mCamera.takePicture(null, null, null, new Camera.PictureCallback() {
             @Override
             public void onPictureTaken(byte[] data, Camera camera) {
-                getCameraListener().onPictureTaken(data);
+                mCameraListener.onPictureTaken(data);
                 camera.startPreview();
             }
         });
@@ -232,7 +228,7 @@ public class Camera1 extends CameraViewImpl {
                         getView().post(new Runnable() {
                             @Override
                             public void run() {
-                                getCameraListener().onPictureTaken(data);
+                                mCameraListener.onPictureTaken(data);
                             }
                         });
                     }
@@ -318,7 +314,7 @@ public class Camera1 extends CameraViewImpl {
         mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
         mMediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_480P));
 
-        mMediaRecorder.setOutputFile(VIDEO_FILE.getAbsolutePath());
+        mMediaRecorder.setOutputFile(mVideoFile.getAbsolutePath());
         mMediaRecorder.setOrientationHint(mCameraInfo.orientation);
 
         mMediaRecorder.prepare();
@@ -332,10 +328,15 @@ public class Camera1 extends CameraViewImpl {
             mMediaRecorder = null;
         }
 
-        getCameraListener().onVideoTaken(VIDEO_FILE);
+        mCameraListener.onVideoTaken(mVideoFile);
 
     }
 
+    @Override
+    void focus() {
+        mCamera.autoFocus(null);
+    }
+
     @Override
     void setDisplayOrientation(int displayOrientation) {
         if (mDisplayOrientation == displayOrientation) {
@@ -399,7 +400,6 @@ public class Camera1 extends CameraViewImpl {
 
             mCameraParameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
 
-            // TODO: fix this
             mCameraParameters.setRotation(calcCameraRotation(mDisplayOrientation) + (mFacing == CameraKit.Constants.FACING_FRONT ? 180 : 0));
 
             setAutoFocusInternal(mAutoFocus);
@@ -458,14 +458,14 @@ public class Camera1 extends CameraViewImpl {
         adjustCameraParameters();
         mCamera.setDisplayOrientation(calcCameraRotation(mDisplayOrientation));
 
-        getCameraListener().onCameraOpened();
+        mCameraListener.onCameraOpened();
     }
 
     private void releaseCamera() {
         if (mCamera != null) {
             mCamera.release();
             mCamera = null;
-            getCameraListener().onCameraClosed();
+            mCameraListener.onCameraClosed();
         }
     }
 

camerakit/src/main/java/com/flurgle/camerakit/CameraImpl.java

@@ -2,16 +2,15 @@ package com.flurgle.camerakit;
 
 import android.view.View;
 
-import com.flurgle.camerakit.annotations.Facing;
-import com.flurgle.camerakit.annotations.Flash;
+import com.flurgle.camerakit.types.Facing;
+import com.flurgle.camerakit.types.Flash;
 
-public abstract class CameraViewImpl {
+public abstract class CameraImpl {
 
     protected CameraListener mCameraListener;
-
     protected final PreviewImpl mPreview;
 
-    CameraViewImpl(CameraListener callback, PreviewImpl preview) {
+    CameraImpl(CameraListener callback, PreviewImpl preview) {
         mCameraListener = callback;
         mPreview = preview;
     }
@@ -28,12 +27,8 @@ public abstract class CameraViewImpl {
 
     abstract void setFacing(@Facing int facing);
 
-    abstract int getFacing();
-
     abstract void setFlash(@Flash int flash);
 
-    abstract int getFlash();
-
     abstract void setAutoFocus(boolean autoFocus);
 
     abstract boolean getAutoFocus();
@@ -46,14 +41,8 @@ public abstract class CameraViewImpl {
 
     abstract void endVideo();
 
-    abstract void setDisplayOrientation(int displayOrientation);
-
-    void setCameraListener(CameraListener cameraListener) {
-        this.mCameraListener = cameraListener;
-    }
+    abstract void focus();
 
-    protected CameraListener getCameraListener() {
-        return mCameraListener != null ? mCameraListener : new CameraListener() {};
-    }
+    abstract void setDisplayOrientation(int displayOrientation);
 
 }

camerakit/src/main/java/com/flurgle/camerakit/CameraView.java

@@ -18,12 +18,14 @@ import android.support.v4.os.ParcelableCompatCreatorCallbacks;
 import android.support.v4.view.ViewCompat;
 import android.util.AttributeSet;
 import android.view.Display;
+import android.view.MotionEvent;
+import android.view.View;
 import android.widget.FrameLayout;
 
-import com.flurgle.camerakit.annotations.Facing;
-import com.flurgle.camerakit.annotations.Flash;
-import com.flurgle.camerakit.annotations.PictureMode;
-import com.flurgle.camerakit.annotations.TapToFocus;
+import com.flurgle.camerakit.types.Facing;
+import com.flurgle.camerakit.types.Flash;
+import com.flurgle.camerakit.types.PictureMode;
+import com.flurgle.camerakit.types.TapToFocus;
 import com.flurgle.camerakit.utils.DisplayOrientationDetector;
 
 import java.io.File;
@@ -40,18 +42,13 @@ import static com.flurgle.camerakit.CameraKit.Constants.TAP_TO_FOCUS_VISIBLE;
 public class CameraView extends FrameLayout {
 
     private static final int PERMISSION_REQUEST_CAMERA = 16;
-
     private static final int DEFAULT_CAPTURE_SIZE = -1;
 
     @Facing
     private int mFacing;
-    @Facing
-    private int mDefaultFacing;
 
     @Flash
     private int mFlash;
-    @Flash
-    private int mDefaultFlash;
 
     @PictureMode
     private int mPictureMode;
@@ -69,10 +66,11 @@ public class CameraView extends FrameLayout {
 
     private boolean mWaitingForPermission;
 
-    private CameraListener mCameraListener;
+    private CameraListenerMiddleWare mCameraListener;
     private DisplayOrientationDetector mDisplayOrientationDetector;
 
-    private CameraViewImpl mCameraImpl;
+    private CameraImpl mCameraImpl;
+    private PreviewImpl mPreviewImpl;
 
     public CameraView(@NonNull Context context) {
         super(context, null);
@@ -123,8 +121,10 @@ public class CameraView extends FrameLayout {
             a.recycle();
         }
 
-        final PreviewImpl preview = new TextureViewPreview(context, this);
-        mCameraImpl = new Camera1(mCameraListener, preview);
+        mCameraListener = new CameraListenerMiddleWare();
+
+        mPreviewImpl = new TextureViewPreview(context, this);
+        mCameraImpl = new Camera1(mCameraListener, mPreviewImpl);
 
         setFacing(mFacing);
         setFlash(mFlash);
@@ -247,6 +247,11 @@ public class CameraView extends FrameLayout {
 
     public void setTapToFocus(@TapToFocus int tapToFocus) {
         this.mTapToFocus = tapToFocus;
+        if (tapToFocus == CameraKit.Constants.TAP_TO_FOCUS_OFF) {
+            mPreviewImpl.getView().setOnTouchListener(null);
+        } else {
+            mPreviewImpl.getView().setOnTouchListener(mTapToFocusOnTouchListener);
+        }
     }
 
     public void setAutoFocus(boolean autoFocus) {
@@ -258,8 +263,7 @@ public class CameraView extends FrameLayout {
     }
 
     public void setCameraListener(CameraListener cameraListener) {
-        this.mCameraListener = new CameraListenerMiddleWare(cameraListener);
-        mCameraImpl.setCameraListener(mCameraListener);
+        this.mCameraListener.setCameraListener(cameraListener);
     }
 
     public void capturePicture() {
@@ -307,6 +311,19 @@ public class CameraView extends FrameLayout {
         }
     }
 
+    private OnTouchListener mTapToFocusOnTouchListener = new OnTouchListener() {
+        @Override
+        public boolean onTouch(View v, MotionEvent event) {
+            if (event.getAction() == MotionEvent.ACTION_DOWN) {
+                mCameraImpl.focus();
+            }
+
+            return false;
+        }
+
+    };
+
+
     protected static class SavedState extends BaseSavedState {
 
         @Facing
@@ -349,36 +366,42 @@ public class CameraView extends FrameLayout {
 
     }
 
-    protected class CameraListenerMiddleWare extends CameraListener {
+    private static class CameraListenerMiddleWare extends CameraListener {
 
         private CameraListener mCameraListener;
 
-        public CameraListenerMiddleWare(CameraListener cameraListener) {
-            this.mCameraListener = cameraListener;
-        }
-
         @Override
         public void onCameraOpened() {
             super.onCameraOpened();
-            mCameraListener.onCameraOpened();
+            getCameraListener().onCameraOpened();
         }
 
         @Override
         public void onCameraClosed() {
             super.onCameraClosed();
-            mCameraListener.onCameraClosed();
+            getCameraListener().onCameraClosed();
         }
 
         @Override
         public void onPictureTaken(byte[] picture) {
             super.onPictureTaken(picture);
-            mCameraListener.onPictureTaken(picture);
+            getCameraListener().onPictureTaken(picture);
         }
 
         @Override
         public void onVideoTaken(File video) {
             super.onVideoTaken(video);
-            mCameraListener.onVideoTaken(video);
+            getCameraListener().onVideoTaken(video);
+        }
+
+        public void setCameraListener(@Nullable CameraListener cameraListener) {
+            this.mCameraListener = cameraListener;
+        }
+
+        @NonNull
+        public CameraListener getCameraListener() {
+            return mCameraListener != null ? mCameraListener : new CameraListener() {
+            };
         }
 
     }

camerakit/src/main/java/com/flurgle/camerakit/PreviewImpl.java

@@ -47,6 +47,22 @@ public abstract class PreviewImpl {
         return null;
     }
 
+    void setSize(int width, int height) {
+        mWidth = width;
+        mHeight = height;
+
+        // Refresh true preview size to adjust scaling
+        setTruePreviewSize(mTrueWidth, mTrueHeight);
+    }
+
+    int getWidth() {
+        return mWidth;
+    }
+
+    int getHeight() {
+        return mHeight;
+    }
+
     void setTruePreviewSize(int width, int height) {
         this.mTrueWidth = width;
         this.mTrueHeight = height;
@@ -67,20 +83,12 @@ public abstract class PreviewImpl {
         }
     }
 
-    void setSize(int width, int height) {
-        mWidth = width;
-        mHeight = height;
-
-        // Refresh true preview size to adjust scaling
-        setTruePreviewSize(mTrueWidth, mTrueHeight);
-    }
-
-    int getWidth() {
-        return mWidth;
+    int getTrueWidth() {
+        return mTrueWidth;
     }
 
-    int getHeight() {
-        return mHeight;
+    int getTrueHeight() {
+        return mTrueHeight;
     }
 
 }

camerakit/src/main/java/com/flurgle/camerakit/types/Facing.java

@@ -1,4 +1,4 @@
-package com.flurgle.camerakit.annotations;
+package com.flurgle.camerakit.types;
 
 import android.support.annotation.IntDef;
 

camerakit/src/main/java/com/flurgle/camerakit/types/Flash.java

@@ -1,4 +1,4 @@
-package com.flurgle.camerakit.annotations;
+package com.flurgle.camerakit.types;
 
 import android.support.annotation.IntDef;
 

camerakit/src/main/java/com/flurgle/camerakit/types/PictureMode.java

@@ -1,4 +1,4 @@
-package com.flurgle.camerakit.annotations;
+package com.flurgle.camerakit.types;
 
 import android.support.annotation.IntDef;
 

camerakit/src/main/java/com/flurgle/camerakit/types/TapToFocus.java

@@ -1,4 +1,4 @@
-package com.flurgle.camerakit.annotations;
+package com.flurgle.camerakit.types;
 
 import android.support.annotation.IntDef;
 

camerakit/src/main/java/com/flurgle/camerakit/utils/AspectRatio.java

@@ -7,62 +7,11 @@ import android.support.v4.util.SparseArrayCompat;
 
 public class AspectRatio implements Comparable<AspectRatio>, Parcelable {
 
-    private final static SparseArrayCompat<SparseArrayCompat<AspectRatio>> sCache
-            = new SparseArrayCompat<>(16);
+    private final static SparseArrayCompat<SparseArrayCompat<AspectRatio>> sCache = new SparseArrayCompat<>(16);
 
     private final int mX;
     private final int mY;
 
-    /**
-     * Returns an instance of {@link AspectRatio} specified by {@code x} and {@code y} values.
-     * The values {@code x} and {@code} will be reduced by their greatest common divider.
-     *
-     * @param x The width
-     * @param y The height
-     * @return An instance of {@link AspectRatio}
-     */
-    public static AspectRatio of(int x, int y) {
-        int gcd = gcd(x, y);
-        x /= gcd;
-        y /= gcd;
-        SparseArrayCompat<AspectRatio> arrayX = sCache.get(x);
-        if (arrayX == null) {
-            AspectRatio ratio = new AspectRatio(x, y);
-            arrayX = new SparseArrayCompat<>();
-            arrayX.put(y, ratio);
-            sCache.put(x, arrayX);
-            return ratio;
-        } else {
-            AspectRatio ratio = arrayX.get(y);
-            if (ratio == null) {
-                ratio = new AspectRatio(x, y);
-                arrayX.put(y, ratio);
-            }
-            return ratio;
-        }
-    }
-
-    /**
-     * Parse an {@link AspectRatio} from a {@link String} formatted like "4:3".
-     *
-     * @param s The string representation of the aspect ratio
-     * @return The aspect ratio
-     * @throws IllegalArgumentException when the format is incorrect.
-     */
-    public static AspectRatio parse(String s) {
-        int position = s.indexOf(':');
-        if (position == -1) {
-            throw new IllegalArgumentException("Malformed aspect ratio: " + s);
-        }
-        try {
-            int x = Integer.parseInt(s.substring(0, position));
-            int y = Integer.parseInt(s.substring(position + 1));
-            return AspectRatio.of(x, y);
-        } catch (NumberFormatException e) {
-            throw new IllegalArgumentException("Malformed aspect ratio: " + s, e);
-        }
-    }
-
     private AspectRatio(int x, int y) {
         mX = x;
         mY = y;
@@ -109,7 +58,6 @@ public class AspectRatio implements Comparable<AspectRatio>, Parcelable {
 
     @Override
     public int hashCode() {
-        // assuming most sizes are <2^16, doing a rotate will give us perfect hashing
         return mY ^ ((mX << (Integer.SIZE / 2)) | (mX >>> (Integer.SIZE / 2)));
     }
 
@@ -123,14 +71,31 @@ public class AspectRatio implements Comparable<AspectRatio>, Parcelable {
         return -1;
     }
 
-    /**
-     * @return The inverse of this {@link AspectRatio}.
-     */
     public AspectRatio inverse() {
-        //noinspection SuspiciousNameCombination
         return AspectRatio.of(mY, mX);
     }
 
+    public static AspectRatio of(int x, int y) {
+        int gcd = gcd(x, y);
+        x /= gcd;
+        y /= gcd;
+        SparseArrayCompat<AspectRatio> arrayX = sCache.get(x);
+        if (arrayX == null) {
+            AspectRatio ratio = new AspectRatio(x, y);
+            arrayX = new SparseArrayCompat<>();
+            arrayX.put(y, ratio);
+            sCache.put(x, arrayX);
+            return ratio;
+        } else {
+            AspectRatio ratio = arrayX.get(y);
+            if (ratio == null) {
+                ratio = new AspectRatio(x, y);
+                arrayX.put(y, ratio);
+            }
+            return ratio;
+        }
+    }
+
     private static int gcd(int a, int b) {
         while (b != 0) {
             int c = b;
@@ -151,8 +116,7 @@ public class AspectRatio implements Comparable<AspectRatio>, Parcelable {
         dest.writeInt(mY);
     }
 
-    public static final Parcelable.Creator<AspectRatio> CREATOR
-            = new Parcelable.Creator<AspectRatio>() {
+    public static final Parcelable.Creator<AspectRatio> CREATOR = new Parcelable.Creator<AspectRatio>() {
 
         @Override
         public AspectRatio createFromParcel(Parcel source) {
@@ -165,6 +129,7 @@ public class AspectRatio implements Comparable<AspectRatio>, Parcelable {
         public AspectRatio[] newArray(int size) {
             return new AspectRatio[size];
         }
+
     };
 
 }

camerakit/src/main/java/com/flurgle/camerakit/utils/DisplayOrientationDetector.java

@@ -11,7 +11,6 @@ public abstract class DisplayOrientationDetector {
     private final OrientationEventListener mOrientationEventListener;
 
     static final SparseIntArray DISPLAY_ORIENTATIONS = new SparseIntArray();
-
     static {
         DISPLAY_ORIENTATIONS.put(Surface.ROTATION_0, 0);
         DISPLAY_ORIENTATIONS.put(Surface.ROTATION_90, 90);
@@ -30,23 +29,23 @@ public abstract class DisplayOrientationDetector {
 
             @Override
             public void onOrientationChanged(int orientation) {
-                if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN ||
-                        mDisplay == null) {
+                if (orientation == OrientationEventListener.ORIENTATION_UNKNOWN || mDisplay == null) {
                     return;
                 }
+
                 final int rotation = mDisplay.getRotation();
                 if (mLastKnownRotation != rotation) {
                     mLastKnownRotation = rotation;
                     dispatchOnDisplayOrientationChanged(DISPLAY_ORIENTATIONS.get(rotation));
                 }
             }
+
         };
     }
 
     public void enable(Display display) {
         mDisplay = display;
         mOrientationEventListener.enable();
-        // Immediately dispatch the first callback
         dispatchOnDisplayOrientationChanged(DISPLAY_ORIENTATIONS.get(display.getRotation()));
     }
 

camerakit/src/main/java/com/flurgle/camerakit/utils/Size.java

@@ -42,7 +42,6 @@ public class Size implements Comparable<Size> {
 
     @Override
     public int hashCode() {
-        // assuming most sizes are <2^16, doing a rotate will give us perfect hashing
         return mHeight ^ ((mWidth << (Integer.SIZE / 2)) | (mWidth >>> (Integer.SIZE / 2)));
     }
 

camerakit/src/main/java/com/flurgle/camerakit/utils/YuvUtils.java

@@ -1,10 +1,6 @@
 package com.flurgle.camerakit.utils;
 
-import android.graphics.ImageFormat;
-import android.graphics.Rect;
-import android.graphics.YuvImage;
 import android.media.Image;
-import android.support.annotation.Nullable;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -12,21 +8,6 @@ import java.nio.ByteBuffer;
 
 public class YuvUtils {
 
-    public static byte[] createRGB(Image image, @Nullable Rect crop) {
-        byte[] data = getYUVData(image);
-
-        ByteArrayOutputStream out = new ByteArrayOutputStream();
-        YuvImage yuvImage = new YuvImage(data, ImageFormat.NV21, image.getWidth(), image.getHeight(), null);
-
-        if (crop == null) {
-            crop = new Rect(0, 0, image.getWidth(), image.getHeight());
-        }
-
-        yuvImage.compressToJpeg(crop, 50, out);
-
-        return out.toByteArray();
-    }
-
     public static byte[] getYUVData(Image image) {
         ByteBuffer bufferY = image.getPlanes()[0].getBuffer();
         byte[] y = new byte[bufferY.remaining()];

demo/src/main/res/layout/activity_main.xml

@@ -21,7 +21,8 @@
             app:ckCropOutput="true"
             app:ckFacing="back"
             app:ckFlash="off"
-            app:ckPictureMode="speed" />
+            app:ckPictureMode="speed"
+            app:ckTapToFocus="visible" />
 
         <LinearLayout
             android:layout_width="match_parent"