What is location of getLocationOnScreen return for?
As i understand that when we pass int[2] location array into view.getLocationOnScreen(location), we will get left,top coordinates of that view. But when i debug this function, i see that location return for right,top coordinates of that view. my screen is 480x800, i margin right for view is 40, so the right coordinate of view is 440 , it equal to location[0] return from view.getLocationOnScreen(location). Why location[0] return for right coordinate of view?
android asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
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As i understand that when we pass int[2] location array into view.getLocationOnScreen(location), we will get left,top coordinates of that view. But when i debug this function, i see that location return for right,top coordinates of that view. my screen is 480x800, i margin right for view is 40, so the right coordinate of view is 440 , it equal to location[0] return from view.getLocationOnScreen(location). Why location[0] return for right coordinate of view?
android asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
1
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01
add a comment |
As i understand that when we pass int[2] location array into view.getLocationOnScreen(location), we will get left,top coordinates of that view. But when i debug this function, i see that location return for right,top coordinates of that view. my screen is 480x800, i margin right for view is 40, so the right coordinate of view is 440 , it equal to location[0] return from view.getLocationOnScreen(location). Why location[0] return for right coordinate of view?
android asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
As i understand that when we pass int[2] location array into view.getLocationOnScreen(location), we will get left,top coordinates of that view. But when i debug this function, i see that location return for right,top coordinates of that view. my screen is 480x800, i margin right for view is 40, so the right coordinate of view is 440 , it equal to location[0] return from view.getLocationOnScreen(location). Why location[0] return for right coordinate of view?
android android asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
asked Aug 2 '12 at 11:55
MichaelPMichaelP
1,71132632
1,71132632
1
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01
add a comment |
1
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01
1
1
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01
add a comment |
2 Answers
2
active
oldest
votes
it is exact return for left,top coordinates of that view. I get wrong value because my view still not rendered before i call view.getLocationOnScreen(location).
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
add a comment |
To confirm the accepted answer, the coordinate does appear to be the top-left corner of the view as per the implementation of getLocationOnScreen; also, the y-axis is inverted.
public void getLocationOnScreen(@Size(2) int outLocation) {
getLocationInWindow(outLocation);
final AttachInfo info = mAttachInfo;
if (info != null) {
outLocation[0] += info.mWindowLeft;
outLocation[1] += info.mWindowTop;
}
}
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
add a comment |
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2 Answers
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active
oldest
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2 Answers
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it is exact return for left,top coordinates of that view. I get wrong value because my view still not rendered before i call view.getLocationOnScreen(location).
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
add a comment |
it is exact return for left,top coordinates of that view. I get wrong value because my view still not rendered before i call view.getLocationOnScreen(location).
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
add a comment |
it is exact return for left,top coordinates of that view. I get wrong value because my view still not rendered before i call view.getLocationOnScreen(location).
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
it is exact return for left,top coordinates of that view. I get wrong value because my view still not rendered before i call view.getLocationOnScreen(location).
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
answered Aug 3 '12 at 2:19
MichaelPMichaelP
1,71132632
1,71132632
add a comment |
add a comment |
To confirm the accepted answer, the coordinate does appear to be the top-left corner of the view as per the implementation of getLocationOnScreen; also, the y-axis is inverted.
public void getLocationOnScreen(@Size(2) int outLocation) {
getLocationInWindow(outLocation);
final AttachInfo info = mAttachInfo;
if (info != null) {
outLocation[0] += info.mWindowLeft;
outLocation[1] += info.mWindowTop;
}
}
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
add a comment |
To confirm the accepted answer, the coordinate does appear to be the top-left corner of the view as per the implementation of getLocationOnScreen; also, the y-axis is inverted.
public void getLocationOnScreen(@Size(2) int outLocation) {
getLocationInWindow(outLocation);
final AttachInfo info = mAttachInfo;
if (info != null) {
outLocation[0] += info.mWindowLeft;
outLocation[1] += info.mWindowTop;
}
}
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
add a comment |
To confirm the accepted answer, the coordinate does appear to be the top-left corner of the view as per the implementation of getLocationOnScreen; also, the y-axis is inverted.
public void getLocationOnScreen(@Size(2) int outLocation) {
getLocationInWindow(outLocation);
final AttachInfo info = mAttachInfo;
if (info != null) {
outLocation[0] += info.mWindowLeft;
outLocation[1] += info.mWindowTop;
}
}
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
To confirm the accepted answer, the coordinate does appear to be the top-left corner of the view as per the implementation of getLocationOnScreen; also, the y-axis is inverted.
public void getLocationOnScreen(@Size(2) int outLocation) {
getLocationInWindow(outLocation);
final AttachInfo info = mAttachInfo;
if (info != null) {
outLocation[0] += info.mWindowLeft;
outLocation[1] += info.mWindowTop;
}
}
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
edited Nov 23 '18 at 18:29
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
answered Nov 23 '18 at 18:11
the_prolethe_prole
2,91463280
2,91463280
add a comment |
add a comment |
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1
Looking at the docs, it doesn't even say which corner (or any corner) the "location" is supposed to be. It would make sense for it to be the left, but it doesn't seem like it's REQUIRED for it to be.
– DeeV
Aug 2 '12 at 12:01