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January 18, 2016 11:58
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package <yourPackage>; | |
import android.annotation.SuppressLint; | |
import android.app.Activity; | |
import android.content.Intent; | |
import android.database.Cursor; | |
import android.graphics.Bitmap; | |
import android.graphics.BitmapFactory; | |
import android.net.Uri; | |
import android.os.Build; | |
import android.os.Environment; | |
import android.provider.DocumentsContract; | |
import android.provider.MediaStore; | |
import java.io.File; | |
import java.util.List; | |
import javax.inject.Inject; | |
import rx.Observable; | |
import rx.Subscriber; | |
import rx.Subscription; | |
/** | |
* Created by kpob on 12/31/15. | |
*/ | |
public class CameraManager { | |
private static final int GALLERY_PHOTO_REQUEST_CODE = 2425; | |
private static final int NEW_GALLERY_PHOTO_REQUEST_CODE = 2125; | |
private static final int TAKE_PICTURE_REQUEST_CODE = 2555; | |
private static Uri imageUri; | |
private String filePath; | |
private final Activity activity; | |
private final BitmapFactory.Options options; | |
private Subscription subscription; | |
@Inject | |
public CameraManager(Activity activity, BitmapFactory.Options options) { | |
this.activity = activity; | |
this.options = options; | |
} | |
public void selectFromGallery() { | |
if (Build.VERSION.SDK_INT < 19){ | |
Intent intent = new Intent(); | |
intent.setType("image/*"); | |
intent.setAction(Intent.ACTION_GET_CONTENT); | |
activity.startActivityForResult(Intent.createChooser(intent, activity.getString(R.string.set_image)), GALLERY_PHOTO_REQUEST_CODE); | |
} else { | |
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT); | |
intent.addCategory(Intent.CATEGORY_OPENABLE); | |
intent.setType("image/*"); | |
activity.startActivityForResult(intent, NEW_GALLERY_PHOTO_REQUEST_CODE); | |
} | |
} | |
public void takePicture() { | |
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); | |
File file = new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis() + ".jpg"); | |
imageUri = Uri.fromFile(file); | |
intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri); | |
activity.startActivityForResult(intent, TAKE_PICTURE_REQUEST_CODE); | |
} | |
@SuppressLint("NewApi") | |
public void onActivityResult(int requestCode, Intent data, Subscriber<Bitmap> subscriber) { | |
if (null == data) { | |
return; | |
} | |
Observable<Bitmap> observable; | |
switch (requestCode) { | |
case GALLERY_PHOTO_REQUEST_CODE: | |
imageUri = data.getData(); | |
observable = Observable.just(imageUri).map(this::preKitKatGetBitmap); | |
break; | |
case NEW_GALLERY_PHOTO_REQUEST_CODE: | |
imageUri = data.getData(); | |
final int takeFlags = data.getFlags() | |
& (Intent.FLAG_GRANT_READ_URI_PERMISSION | |
| Intent.FLAG_GRANT_WRITE_URI_PERMISSION); | |
//noinspection ResourceType | |
activity.getContentResolver().takePersistableUriPermission(imageUri, takeFlags); | |
observable = Observable.just(imageUri).map(this::getBitmap); | |
break; | |
case TAKE_PICTURE_REQUEST_CODE: | |
filePath = imageUri.toString(); | |
imageUri = Uri.parse(imageUri.toString().replace("file://", "")); | |
observable = Observable.just(imageUri).map(uri -> BitmapFactory.decodeFile(uri.toString(), options)); | |
break; | |
default: | |
return; | |
} | |
subscription = observable.subscribe(subscriber); | |
} | |
public void pause() { | |
if(subscription != null && !subscription.isUnsubscribed()) { | |
subscription.unsubscribe(); | |
} | |
} | |
private Bitmap preKitKatGetBitmap(Uri uri) { | |
List<String> uriPath = uri.getPathSegments(); | |
long imageId = Long.parseLong(uriPath.get(uriPath.size() - 1)); | |
return MediaStore.Images.Thumbnails.getThumbnail(activity.getContentResolver(), imageId, | |
MediaStore.Images.Thumbnails.MINI_KIND, options); | |
} | |
@SuppressLint("NewApi") | |
private Bitmap getBitmap(Uri uri) { | |
String wholeID = DocumentsContract.getDocumentId(uri); | |
String id = wholeID.split(":")[1]; | |
String[] column = {MediaStore.Images.Media.DATA}; | |
// where id is equal to | |
String sel = MediaStore.Images.Media._ID + "=?"; | |
Cursor cursor = activity.getContentResolver(). | |
query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, | |
column, sel, new String[]{id}, null); | |
filePath = ""; | |
int columnIndex = cursor.getColumnIndex(column[0]); | |
if (cursor.moveToFirst()) { | |
filePath = cursor.getString(columnIndex); | |
} | |
cursor.close(); | |
return BitmapFactory.decodeFile(filePath, options); | |
} | |
public static Uri getImageUri() { | |
return imageUri; | |
} | |
public String getFilePath() { | |
return filePath; | |
} | |
public void cancel() { | |
filePath = null; | |
imageUri = null; | |
} | |
} |
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