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react-native-camera-kit
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Fixes and improvements to Android Camera

This commit is contained in:
Yedidya Kennard 2016-07-20 16:28:20 +03:00
parent 1c92a2b782
commit 258014cd48
5 changed files with 53 additions and 36 deletions
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15
android/src/main/java/com/wix/RNCameraKit/camera/CameraModule.java
View File

@ -1,8 +1,10 @@
package com.wix.RNCameraKit.camera;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.hardware.Camera;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Environment;
import android.provider.MediaStore;
@ -93,11 +95,20 @@ public class CameraModule extends ReactContextBaseJavaModule {
protected Void doInBackground(byte[]... data) {
Bitmap image = BitmapFactory.decodeByteArray(data[0], 0, data[0].length);
String fileUri = MediaStore.Images.Media.insertImage(getReactApplicationContext().getContentResolver(), image, System.currentTimeMillis() + "", "");
Log.d("CameraKit", "Saved to: " + fileUri);
Log.d("CameraKit", "Saved to content uri: " + fileUri);
if (fileUri == null) {
promise.reject("CameraKit", "Failed to save image to mediastore");
} else {
promise.resolve(fileUri);
Cursor cursor = getReactApplicationContext().getContentResolver().query(Uri.parse(fileUri), new String[] {MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
String filePath = cursor.getString(0);
cursor.close();
promise.resolve(filePath);
Log.d("CameraKit", "Uri resolved to file path: " + fileUri);
CameraViewManager.initCamera();
}
return null;

25
android/src/main/java/com/wix/RNCameraKit/camera/CameraView.java
View File

@ -4,23 +4,28 @@ import android.hardware.Camera;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.widget.FrameLayout;
import com.facebook.react.uimanager.ThemedReactContext;
import java.util.List;
import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
/**
* Created by yedidyak on 04/07/2016.
*/
public class CameraView extends SurfaceView implements SurfaceHolder.Callback {
public class CameraView extends FrameLayout implements SurfaceHolder.Callback {
private ThemedReactContext context;
private SurfaceView surface;
public CameraView(ThemedReactContext context) {
super(context);
this.context = context;
this.getHolder().addCallback(this);
this.setOnClickListener(new OnClickListener() {
this.surface = new SurfaceView(context);
addView(surface, MATCH_PARENT, MATCH_PARENT);
surface.getHolder().addCallback(this);
surface.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (CameraViewManager.getCamera() != null) {
@ -38,6 +43,13 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback {
});
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
int actualPreviewWidth = getResources().getDisplayMetrics().widthPixels;
int actualPreviewHeight = getResources().getDisplayMetrics().heightPixels;
surface.layout(0, 0, actualPreviewWidth, actualPreviewHeight);
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
CameraViewManager.setCameraView(this);
@ -45,12 +57,13 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback {
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
CameraViewManager.updateCameraSize();
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {}
public SurfaceHolder getHolder() {
return surface.getHolder();
}
}

34
android/src/main/java/com/wix/RNCameraKit/camera/CameraViewManager.java
View File

@ -1,9 +1,12 @@
package com.wix.RNCameraKit.camera;
import android.app.Activity;
import android.content.Context;
import android.graphics.Point;
import android.hardware.Camera;
import android.view.Display;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.WindowManager;
import android.widget.Toast;
import com.facebook.react.uimanager.SimpleViewManager;
@ -46,6 +49,7 @@ public class CameraViewManager extends SimpleViewManager<CameraView> {
}
public static void setCameraView(CameraView cameraView) {
if(CameraViewManager.cameraView == cameraView) return;
CameraViewManager.cameraView = cameraView;
connectHolder();
}
@ -83,7 +87,8 @@ public class CameraViewManager extends SimpleViewManager<CameraView> {
}
try {
camera = Camera.open(currentCamera);
connectHolder();
setCameraDisplayOrientation(((Activity) reactContext.getBaseContext()), 0, camera);
updateCameraSize();
} catch (RuntimeException e) {
Toast.makeText(reactContext, "Cannot connect to Camera", Toast.LENGTH_SHORT).show();
}
@ -95,9 +100,7 @@ public class CameraViewManager extends SimpleViewManager<CameraView> {
try {
camera.stopPreview();
camera.setPreviewDisplay(cameraView.getHolder());
updateCameraSize();
camera.startPreview();
setCameraDisplayOrientation(((Activity) reactContext.getBaseContext()), 0, camera);
} catch (IOException e) {
e.printStackTrace();
}
@ -132,6 +135,9 @@ public class CameraViewManager extends SimpleViewManager<CameraView> {
} else { // back-facing
result = (info.orientation - degrees + 360) % 360;
}
Camera.Parameters parameters = camera.getParameters();
parameters.setRotation(result);
camera.setParameters(parameters);
camera.setDisplayOrientation(result);
}
@ -162,24 +168,24 @@ public class CameraViewManager extends SimpleViewManager<CameraView> {
return optimalSize;
}
public static void updateCameraSize() {
private static void updateCameraSize() {
try {
Camera camera = CameraViewManager.getCamera();
if (camera == null || cameraView == null) return;
WindowManager wm = (WindowManager) reactContext.getSystemService(Context.WINDOW_SERVICE);
Display display = wm.getDefaultDisplay();
Point size = new Point();
display.getSize(size);
if (camera == null) return;
List<Camera.Size> supportedPreviewSizes = camera.getParameters().getSupportedPreviewSizes();
List<Camera.Size> supportedPictureSizes = camera.getParameters().getSupportedPictureSizes();
Camera.Size optimalSize = getOptimalPreviewSize(supportedPreviewSizes, cameraView.getWidth(), cameraView.getHeight());
Camera.Size optimalPictureSize = getOptimalPreviewSize(supportedPictureSizes, cameraView.getWidth(), cameraView.getHeight());
Camera.Size optimalSize = getOptimalPreviewSize(supportedPreviewSizes, size.x, size.y);
Camera.Size optimalPictureSize = getOptimalPreviewSize(supportedPictureSizes, size.x, size.y);
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewSize(optimalSize.width, optimalSize.height);
parameters.setPictureSize(optimalPictureSize.width, optimalPictureSize.height);
parameters.setFlashMode(CameraViewManager.getFlashMode());
camera.setParameters(parameters);
camera.startPreview();
} catch (RuntimeException e) {
// CameraViewManager.initCamera();
// CameraViewManager.setCameraView(this);
// updateCameraSize();
}
} catch (RuntimeException e) {}
}
}

4
android/src/main/java/com/wix/RNCameraKit/gallery/GalleryAdapter.java
View File

@ -1,6 +1,5 @@
package com.wix.RNCameraKit.gallery;
import android.app.Activity;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
@ -10,9 +9,6 @@ import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import com.facebook.react.bridge.ReactBridge;
import com.facebook.react.bridge.ReactContext;
import java.util.ArrayList;
import java.util.Collections;
import java.util.concurrent.LinkedBlockingDeque;

11
android/src/main/java/com/wix/RNCameraKit/gallery/GalleryViewManager.java
View File

@ -83,15 +83,7 @@ public class GalleryViewManager extends SimpleViewManager<GalleryView> {
.put("onTapImage", MapBuilder.of("registrationName", "onTapImage"))
.build();
}
// @ReactMethod
// public void refreshGalleryView(ReadableArray selectedImages, Promise promise) {
// view.refresh();
// setSelectedUris(view, selectedImages);
// promise.resolve(true);
// }
@Nullable
@Override
public Map<String, Integer> getCommandsMap() {
@ -102,7 +94,6 @@ public class GalleryViewManager extends SimpleViewManager<GalleryView> {
public void receiveCommand(GalleryView root, int commandId, @Nullable ReadableArray args) {
if (commandId == COMMAND_REFRESH_GALLERY) {
root.refresh();
setSelectedUris(root, args.getArray(0));
}
}
}