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Better focus behavior, no touch listeners

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pull/1/head
Mattia Iavarone 7 years ago
parent 5bbccb494f
commit ae59a59930
5 changed files with 81 additions and 107 deletions
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  1. 164
      camerakit/src/main/api16/com/flurgle/camerakit/Camera1.java
  2. 6
      camerakit/src/main/api21/com/flurgle/camerakit/Camera2.java
  3. 3
      camerakit/src/main/base/com/flurgle/camerakit/CameraImpl.java
  4. 13
      camerakit/src/main/java/com/flurgle/camerakit/CameraView.java
  5. 2
      camerakit/src/main/java/com/flurgle/camerakit/FocusMarkerLayout.java

164
camerakit/src/main/api16/com/flurgle/camerakit/Camera1.java
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@ -32,7 +32,7 @@ class Camera1 extends CameraImpl {
private static final String TAG = Camera1.class.getSimpleName();
private static final int FOCUS_AREA_SIZE_DEFAULT = 300;
private static final int FOCUS_AREA_SIZE_DEFAULT = 200;
private static final int FOCUS_METERING_AREA_WEIGHT_DEFAULT = 1000;
private static final int DELAY_MILLIS_BEFORE_RESETTING_FOCUS = 3000;
@ -61,6 +61,7 @@ class Camera1 extends CameraImpl {
@SessionType private int mSessionType;
private double mLatitude;
private double mLongitude;
private boolean mFocusOnTap;
private Handler mHandler = new Handler();
private ConstantMapper.MapperImpl mMapper = new ConstantMapper.Mapper1();
@ -217,43 +218,38 @@ class Camera1 extends CameraImpl {
void setFocus(@Focus int focus) {
int old = mFocus;
mFocus = focus;
if (mCameraParameters == null) return;
switch (focus) {
case FOCUS_CONTINUOUS:
if (mCameraParameters != null) {
detachFocusTapListener();
final List<String> modes = mCameraParameters.getSupportedFocusModes();
if (modes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
} else {
mFocus = old;
}
mFocusOnTap = false;
final List<String> modes = mCameraParameters.getSupportedFocusModes();
if (modes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
} else {
mFocus = old;
}
break;
case FOCUS_TAP:
case FOCUS_TAP_WITH_MARKER:
if (mCameraParameters != null) {
attachFocusTapListener();
final List<String> modes = mCameraParameters.getSupportedFocusModes();
if (modes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
} else {
mFocus = old;
}
mFocusOnTap = true;
final List<String> modes1 = mCameraParameters.getSupportedFocusModes();
if (modes1.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
} else {
mFocus = old;
}
break;
case FOCUS_OFF:
if (mCameraParameters != null) {
detachFocusTapListener();
final List<String> modes = mCameraParameters.getSupportedFocusModes();
if (modes.contains(Camera.Parameters.FOCUS_MODE_FIXED)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_FIXED);
} else if (modes.contains(Camera.Parameters.FOCUS_MODE_INFINITY)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY);
} else {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
}
mFocusOnTap = false;
final List<String> modes2 = mCameraParameters.getSupportedFocusModes();
if (modes2.contains(Camera.Parameters.FOCUS_MODE_FIXED)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_FIXED);
} else if (modes2.contains(Camera.Parameters.FOCUS_MODE_INFINITY)) {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY);
} else {
mCameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
}
break;
}
@ -421,8 +417,8 @@ class Camera1 extends CameraImpl {
mCaptureSize = new Size(camcorderProfile.videoFrameWidth, camcorderProfile.videoFrameHeight);
}
mPreviewSize = computePreviewSize(previewSizes, mCaptureSize, mPreview.getSurfaceSize());
Log.e("Camera1", "CaptureSize is "+mCaptureSize.toString());
Log.e("Camera1", "PreviewSize is "+mPreviewSize.toString());
// Log.e("Camera1", "CaptureSize is "+mCaptureSize.toString());
// Log.e("Camera1", "PreviewSize is "+mPreviewSize.toString());
}
private void adjustCameraParameters() {
@ -433,8 +429,6 @@ class Camera1 extends CameraImpl {
);
mCameraParameters.setPreviewSize(getPreviewSize().getWidth(), getPreviewSize().getHeight());
mCameraParameters.setPictureSize(getCaptureSize().getWidth(), getCaptureSize().getHeight());
// int rotation = calculateCaptureRotation();
// mCameraParameters.setRotation(rotation);
setFocus(mFocus);
setFlash(mFlash);
setLocation(mLatitude, mLongitude);
@ -547,11 +541,39 @@ class Camera1 extends CameraImpl {
// Tap to focus stuff.
void setTapToAutofocusListener(Camera.AutoFocusCallback callback) {
if (this.mFocus != FOCUS_TAP) {
throw new IllegalArgumentException("Please set the camera to FOCUS_TAP.");
@Override
void onTouchEvent(MotionEvent event) {
if (!mFocusOnTap) return;
if (mCamera == null) return;
if (event.getAction() != MotionEvent.ACTION_UP) return;
Camera.Parameters parameters = mCamera.getParameters();
String focusMode = parameters.getFocusMode();
Rect rect = calculateFocusArea(event.getX(), event.getY());
List<Camera.Area> meteringAreas = new ArrayList<>();
meteringAreas.add(new Camera.Area(rect, getFocusMeteringAreaWeight()));
boolean focusSupported = parameters.getMaxNumFocusAreas() > 0 && focusMode != null;
focusSupported = focusSupported && (focusMode.equals(Camera.Parameters.FOCUS_MODE_AUTO) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_MACRO) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO));
boolean autofocusSupported = parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_AUTO);
boolean meteringAreaSupported = parameters.getMaxNumMeteringAreas() > 0;
if (focusSupported) {
parameters.setFocusAreas(meteringAreas);
if (meteringAreaSupported) parameters.setMeteringAreas(meteringAreas);
if (autofocusSupported) {
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
mCamera.setParameters(parameters);
mCamera.autoFocus(new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
resetFocus(success, camera);
}
});
}
}
this.mAutofocusCallback = callback;
}
@ -565,74 +587,6 @@ class Camera1 extends CameraImpl {
}
private void detachFocusTapListener() {
mPreview.getView().setOnTouchListener(null);
}
private void attachFocusTapListener() {
mPreview.getView().setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() != MotionEvent.ACTION_UP) return false;
if (mCamera == null) return false;
Camera.Parameters parameters = mCamera.getParameters();
String focusMode = parameters.getFocusMode();
Rect rect = calculateFocusArea(event.getX(), event.getY());
List<Camera.Area> meteringAreas = new ArrayList<>();
meteringAreas.add(new Camera.Area(rect, getFocusMeteringAreaWeight()));
if (parameters.getMaxNumFocusAreas() != 0 && focusMode != null &&
(focusMode.equals(Camera.Parameters.FOCUS_MODE_AUTO) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_MACRO) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) ||
focusMode.equals(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
) {
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
parameters.setFocusAreas(meteringAreas);
if (parameters.getMaxNumMeteringAreas() > 0) {
parameters.setMeteringAreas(meteringAreas);
}
if(!parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
return false; //cannot autoFocus
}
mCamera.setParameters(parameters);
mCamera.autoFocus(new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
resetFocus(success, camera);
}
});
} else if (parameters.getMaxNumMeteringAreas() > 0) {
if(!parameters.getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
return false; //cannot autoFocus
}
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
parameters.setFocusAreas(meteringAreas);
parameters.setMeteringAreas(meteringAreas);
mCamera.setParameters(parameters);
mCamera.autoFocus(new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
resetFocus(success, camera);
}
});
} else {
mCamera.autoFocus(new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (mAutofocusCallback != null) {
mAutofocusCallback.onAutoFocus(success, camera);
}
}
});
}
return true;
}
});
}
private void resetFocus(final boolean success, final Camera camera) {
mHandler.removeCallbacksAndMessages(null);
mHandler.postDelayed(new Runnable() {
@ -648,9 +602,7 @@ class Camera1 extends CameraImpl {
camera.setParameters(params);
}
if (mAutofocusCallback != null) {
mAutofocusCallback.onAutoFocus(success, camera);
}
if (mAutofocusCallback != null) mAutofocusCallback.onAutoFocus(success, camera);
}
}
}, DELAY_MILLIS_BEFORE_RESETTING_FOCUS);

6
camerakit/src/main/api21/com/flurgle/camerakit/Camera2.java
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@ -12,6 +12,7 @@ import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;
import android.util.SizeF;
import android.view.MotionEvent;
import java.io.File;
import java.util.ArrayList;
@ -250,6 +251,11 @@ class Camera2 extends CameraImpl {
return mCamera != null;
}
@Override
void onTouchEvent(MotionEvent event) {
}
@Nullable
@Override
ExtraProperties getExtraProperties() {

3
camerakit/src/main/base/com/flurgle/camerakit/CameraImpl.java
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@ -2,6 +2,7 @@ package com.flurgle.camerakit;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.MotionEvent;
import java.io.File;
@ -39,6 +40,8 @@ abstract class CameraImpl {
abstract boolean shouldFlipSizes(); // Wheter the Sizes should be flipped to match the view orientation.
abstract boolean isCameraOpened();
abstract void onTouchEvent(MotionEvent event);
@Nullable
abstract ExtraProperties getExtraProperties();

13
camerakit/src/main/java/com/flurgle/camerakit/CameraView.java
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@ -265,6 +265,19 @@ public class CameraView extends FrameLayout implements LifecycleObserver {
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
return true; // Steal our own events.
}
@Override
public boolean onTouchEvent(MotionEvent event) {
// And dispatch to everyone.
mFocusMarkerLayout.onTouchEvent(event); // For drawing focus marker.
mCameraImpl.onTouchEvent(event); // For focus behavior.
return true;
}
/**
* Returns whether the camera has started showing its preview.
* @return whether the camera has started

2
camerakit/src/main/java/com/flurgle/camerakit/FocusMarkerLayout.java
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@ -36,7 +36,7 @@ public class FocusMarkerLayout extends FrameLayout {
if (action == MotionEvent.ACTION_UP && isEnabled()) {
focus(event.getX(), event.getY());
}
return false; // We didn't consume, pass to parent
return false; // We didn't consume, pass
}
public void focus(float mx, float my) {

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