Android Studio - How to avoidOutOfMemoryError when rotating images
How can I avoid the OutOfMemoryError when I am rotating images in most simplest form. I am very new to Android Studio and Java. This is the static method of rotation of images
public static Bitmap rotateBitmap(Bitmap bitmap, int orientation, Context context) {
Matrix matrix = new Matrix();
switch (orientation) {
case ExifInterface.ORIENTATION_NORMAL:
return bitmap;
case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
matrix.setScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_180:
matrix.setRotate(180);
break;
case ExifInterface.ORIENTATION_FLIP_VERTICAL:
matrix.setRotate(180);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_TRANSPOSE:
matrix.setRotate(90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_90:
matrix.setRotate(90);
break;
case ExifInterface.ORIENTATION_TRANSVERSE:
matrix.setRotate(-90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_270:
matrix.setRotate(-90);
break;
default:
return bitmap;
}
try {
Bitmap bmRotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth()/2, bitmap.getHeight()/2, matrix, true);
bitmap.recycle();
return bmRotated;
}
catch (OutOfMemoryError e) {
e.printStackTrace();
Toast.makeText(context, "Error:" + e, Toast.LENGTH_SHORT).show();
return null;
}
}
android image error-handling out-of-memory edited Nov 12 at 6:34
Vivek Mishra
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
add a comment |
How can I avoid the OutOfMemoryError when I am rotating images in most simplest form. I am very new to Android Studio and Java. This is the static method of rotation of images
public static Bitmap rotateBitmap(Bitmap bitmap, int orientation, Context context) {
Matrix matrix = new Matrix();
switch (orientation) {
case ExifInterface.ORIENTATION_NORMAL:
return bitmap;
case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
matrix.setScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_180:
matrix.setRotate(180);
break;
case ExifInterface.ORIENTATION_FLIP_VERTICAL:
matrix.setRotate(180);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_TRANSPOSE:
matrix.setRotate(90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_90:
matrix.setRotate(90);
break;
case ExifInterface.ORIENTATION_TRANSVERSE:
matrix.setRotate(-90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_270:
matrix.setRotate(-90);
break;
default:
return bitmap;
}
try {
Bitmap bmRotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth()/2, bitmap.getHeight()/2, matrix, true);
bitmap.recycle();
return bmRotated;
}
catch (OutOfMemoryError e) {
e.printStackTrace();
Toast.makeText(context, "Error:" + e, Toast.LENGTH_SHORT).show();
return null;
}
}
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
add a comment |
How can I avoid the OutOfMemoryError when I am rotating images in most simplest form. I am very new to Android Studio and Java. This is the static method of rotation of images
public static Bitmap rotateBitmap(Bitmap bitmap, int orientation, Context context) {
Matrix matrix = new Matrix();
switch (orientation) {
case ExifInterface.ORIENTATION_NORMAL:
return bitmap;
case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
matrix.setScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_180:
matrix.setRotate(180);
break;
case ExifInterface.ORIENTATION_FLIP_VERTICAL:
matrix.setRotate(180);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_TRANSPOSE:
matrix.setRotate(90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_90:
matrix.setRotate(90);
break;
case ExifInterface.ORIENTATION_TRANSVERSE:
matrix.setRotate(-90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_270:
matrix.setRotate(-90);
break;
default:
return bitmap;
}
try {
Bitmap bmRotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth()/2, bitmap.getHeight()/2, matrix, true);
bitmap.recycle();
return bmRotated;
}
catch (OutOfMemoryError e) {
e.printStackTrace();
Toast.makeText(context, "Error:" + e, Toast.LENGTH_SHORT).show();
return null;
}
}
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
How can I avoid the OutOfMemoryError when I am rotating images in most simplest form. I am very new to Android Studio and Java. This is the static method of rotation of images
public static Bitmap rotateBitmap(Bitmap bitmap, int orientation, Context context) {
Matrix matrix = new Matrix();
switch (orientation) {
case ExifInterface.ORIENTATION_NORMAL:
return bitmap;
case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
matrix.setScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_180:
matrix.setRotate(180);
break;
case ExifInterface.ORIENTATION_FLIP_VERTICAL:
matrix.setRotate(180);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_TRANSPOSE:
matrix.setRotate(90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_90:
matrix.setRotate(90);
break;
case ExifInterface.ORIENTATION_TRANSVERSE:
matrix.setRotate(-90);
matrix.postScale(-1, 1);
break;
case ExifInterface.ORIENTATION_ROTATE_270:
matrix.setRotate(-90);
break;
default:
return bitmap;
}
try {
Bitmap bmRotated = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth()/2, bitmap.getHeight()/2, matrix, true);
bitmap.recycle();
return bmRotated;
}
catch (OutOfMemoryError e) {
e.printStackTrace();
Toast.makeText(context, "Error:" + e, Toast.LENGTH_SHORT).show();
return null;
}
}
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
edited Nov 12 at 6:34
Vivek Mishra
3,76642955
3,76642955
asked Nov 12 at 6:33
Nica Abinuman
206
asked Nov 12 at 6:33
Nica Abinuman
206
asked Nov 12 at 6:33
Nica Abinuman
206
206
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
I don't know what your use-case is but you can get simple rotation without resorting to a matrix. It is fairly easy to run out of memory with large bitmaps.
This on the other hand, will rotate any given imageview by some random amount from 0 to 360 degrees, with fairly low overhead:
display = (ImageView) findViewById(R.id.someview);
int randomRot;
Random rand = new Random();
randomRot=rand.nextInt(360);
display.setRotation((float) randomRot);
answered Nov 12 at 6:41
AardvarkBlue
264
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
add a comment |
yourImageView.setRotation(angle) with API>=11
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
I don't know what your use-case is but you can get simple rotation without resorting to a matrix. It is fairly easy to run out of memory with large bitmaps.
This on the other hand, will rotate any given imageview by some random amount from 0 to 360 degrees, with fairly low overhead:
display = (ImageView) findViewById(R.id.someview);
int randomRot;
Random rand = new Random();
randomRot=rand.nextInt(360);
display.setRotation((float) randomRot);
answered Nov 12 at 6:41
AardvarkBlue
264
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
add a comment |
I don't know what your use-case is but you can get simple rotation without resorting to a matrix. It is fairly easy to run out of memory with large bitmaps.
This on the other hand, will rotate any given imageview by some random amount from 0 to 360 degrees, with fairly low overhead:
display = (ImageView) findViewById(R.id.someview);
int randomRot;
Random rand = new Random();
randomRot=rand.nextInt(360);
display.setRotation((float) randomRot);
answered Nov 12 at 6:41
AardvarkBlue
264
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
add a comment |
I don't know what your use-case is but you can get simple rotation without resorting to a matrix. It is fairly easy to run out of memory with large bitmaps.
This on the other hand, will rotate any given imageview by some random amount from 0 to 360 degrees, with fairly low overhead:
display = (ImageView) findViewById(R.id.someview);
int randomRot;
Random rand = new Random();
randomRot=rand.nextInt(360);
display.setRotation((float) randomRot);
answered Nov 12 at 6:41
AardvarkBlue
264
I don't know what your use-case is but you can get simple rotation without resorting to a matrix. It is fairly easy to run out of memory with large bitmaps.
This on the other hand, will rotate any given imageview by some random amount from 0 to 360 degrees, with fairly low overhead:
display = (ImageView) findViewById(R.id.someview);
int randomRot;
Random rand = new Random();
randomRot=rand.nextInt(360);
display.setRotation((float) randomRot);
answered Nov 12 at 6:41
AardvarkBlue
264
answered Nov 12 at 6:41
AardvarkBlue
264
answered Nov 12 at 6:41
AardvarkBlue
264
answered Nov 12 at 6:41
AardvarkBlue
264
264
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
add a comment |
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
How can I rotate a portrait image into landscape? Landscape into portrait?
– Nica Abinuman
Nov 12 at 7:56
add a comment |
yourImageView.setRotation(angle) with API>=11
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
add a comment |
yourImageView.setRotation(angle) with API>=11
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
add a comment |
yourImageView.setRotation(angle) with API>=11
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
yourImageView.setRotation(angle) with API>=11
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
answered Nov 12 at 7:40
Sandeep Parish
1,0301113
1,0301113
add a comment |
add a comment |
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