CN102520842A - Horizontal-vertical screen switching rotation control method for hand-held devices - Google Patents
Horizontal-vertical screen switching rotation control method for hand-held devices Download PDFInfo
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- CN102520842A CN102520842A CN2011103689050A CN201110368905A CN102520842A CN 102520842 A CN102520842 A CN 102520842A CN 2011103689050 A CN2011103689050 A CN 2011103689050A CN 201110368905 A CN201110368905 A CN 201110368905A CN 102520842 A CN102520842 A CN 102520842A
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Abstract
The invention relates to a horizontal-vertical screen switching rotation control method for hand-held devices. The horizontal-vertical screen switching rotation control method includes the following steps: according to gravity sensing, a rotation direction and a switched angle Phi m are acquired; a screen is frozen, and a direction-changed interface image is acquired; the current angle Phi i of the interface image is calculated and displayed until Phi i is equal to Phi m, wherein Phi i is equal to Phi 0 plus (Phi n minus Phi 0) multiplied by Ai, Ai is equal to (m minus (m minus i) multiplied by (m minus i) divided by m) divided by m, m is the total number of rotation display times, i is the current number of rotation display times, and is greater than or equal to 1 and less than or equal to m, m and i are natural numbers, Ai is acceleration percentage, and the initial angles Phi 0, Phi i and Phi m are in the same rotation direction; the display of the hand-held device screen is not changed, the interface image is rotated around the central point of the screen on the surface of the screen, and the screen only displays the part of the rotated interface image, which is in the screen; and the screen is defrozen. The control method can perfectly connect the rotation act of a user and bring vivid natural experience to the user.
Description
Technical field
The present invention relates to computer man-machine interacting, the screen anyhow that is specifically related to a kind of handheld device switches method of controlling rotation, especially is applied in and uses on the smart mobile phone.
Background technology
At present, the smart mobile phone of existing portable terminal has only and shows the function of switching animation in shielding handoff functionality anyhow screen not switching anyhow.Under screen orientation change situation; The animation effect that a switching is arranged; Naturally an action of rotation animation cooperation user rotating mobile is especially arranged under the situation of gravity sensing, and the effect that just can not let the user feel that the interface is stiff can be given the unlimited fine experience of user.But, present mobile phone or other handheld devices when screen switches anyhow all neither one perfectly be connected animation, perhaps also do not have this technology to be disclosed.
Summary of the invention
The technical issues that need to address of the present invention are, how to provide a kind of screen anyhow of handheld device to switch method of controlling rotation, and the action that can cooperate the user to rotate handheld device provides the linking animation of a perfection, nature on device screen.
Technical matters of the present invention solves like this: the screen anyhow that makes up a kind of handheld device switches method of controlling rotation, it is characterized in that, may further comprise the steps:
1.2) obtain the direction of rotation and the angle Ф m behind the switching direction according to gravity sensing;
1.3) freeze screen, get access to the interface image behind the switching direction;
1.4) the angle Ф 0 of the said interface image of reduction before switch show, calculate the current angle Ф i of said interface image again and show to equal angle Ф m, wherein: Ф i=Ф 0+ (Ф n-Ф 0) * Ai until current angle Ф i; (m-(m-i) * (m-i)/m)/m, m are that total rotation shows number of times to Ai=, and i is that current rotation shows number of times; 1≤i≤m; M, i are natural numbers, and Ai quickens number percent, Ф 0, Ф i and the same sense of rotation of Ф m;
Said demonstration is that the handheld device screen is motionless, and around the rotation of screen center's point, said screen only shows the part of said interface image in said screen of rotation to said interface image in said screen surface;
1.5) screen thaws.
According to control method provided by the invention, also comprise step 1.1): receiving to shield anyhow and switch whether message determining is the gravity sensing mode, is then to get into step 1.2).
According to control method provided by the invention, said step 1.1) comprise that also judgement is not the gravity sensing mode, then show the interface image behind the switching direction, skips steps 1.2)～1.5) directly finish.
According to control method provided by the invention, judge that according to gravity sensing Ф m overlaps skips steps 1.3 with Ф 0)～1.5) directly finish.
According to control method provided by the invention, switch preceding angle Ф 0=0 °, the angle Ф m=90 behind the switching direction °, 180 ° or 270 °.
According to control method provided by the invention, if Ф m=90 °, m=N, then when Ф m=180 °, m=2N, wherein N is the natural number greater than 2.
According to control method provided by the invention, if Ф m=90 °, m=N, then when Ф m=270 °, m=3N, wherein N is the natural number greater than 2.
According to control method provided by the invention, N preferred 15.
According to control method provided by the invention, said step 1.4) the middle pair video memorys that adopt, the interface image of storing the interface image of current rotation respectively and rotating next time calls in turn.
According to control method provided by the invention, said pair of video memory is logical memory, and said calling in turn is between two video memorys, to switch current video memory address.
Anyhow the screen of handheld device provided by the invention switches method of controlling rotation, can show the dynamically interface of rotation according to the action of user's rotating mobile, has the following advantages than prior art:
1, can perfectly be connected user action, give the user entity induction with nature;
2, freeze screen, make icon in the interface etc. can not change size and layout, thereby cause the chaotic vision of internal image in the rotary course, image is rotated naturally with the interface;
3,90 °, 180 °, 270 ° or other rotations, speed are all consistent, give user class experience together;
4, two video memorys are handled, and it is more smooth that animation is switched, the Dynamic continuous display better effects if.
Description of drawings
Further the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is that switching Spin Control schematic flow sheet is shielded in the present invention anyhow;
Fig. 2 is the figure coordinate synoptic diagram of function y=1-x*x;
Fig. 3 shields the switching flow synoptic diagram in the mobile phone of the specific embodiment of the invention anyhow;
Fig. 4 is a rotation animation sub-process synoptic diagram among Fig. 3;
Fig. 5 is the framed structure synoptic diagram of pacifying SurfaceFlinger service under tall and erect (Android) platform in the mobile phone of the specific embodiment of the invention;
Fig. 6 is the treatment scheme synoptic diagram of SurfaceFlinger service shown in Figure 5;
Fig. 7 is shown to the data relation synoptic diagram on the screen with image under tall and erect (Android) platform of peace in the specific embodiment of the invention mobile phone;
Fig. 8 is SurfaceFinger client shown in Figure 5 and service end object relationship synoptic diagram;
Fig. 9 is that client is connected synoptic diagram with SurfaceFlinger;
Figure 10 is the mutual synoptic diagram of target client;
Figure 11 is the mutual synoptic diagram of service end;
Figure 12 is the mutual synoptic diagram of client.
Embodiment
At first, control method of the present invention and principle are described:
(1) control program
As shown in Figure 1, screen anyhow of the present invention switches the Spin Control flow process, specifically may further comprise the steps:
101) do you judge that according to gravity sensing screen orientation changes? Be, get into next step, otherwise return step 101);
102) freeze screen;
103) interface layout gets access to the image of switching direction rear interface;
104) play the rotation animation according to the angle and direction of image that gets access to and switching; It is specifically as shown in Figure 3 that this plays rotation animation sub-process;
105) screen (display screen switch back image) that thaws.
(2) animation principle
2.1) judge whether screen orientation changes
Each screen orientation can write down current direction when changing, and in the time of screen orientation variation next time, can do contrast with the direction of last time, can know whether rotated screen; Also can know the direction of rotation, be 90 °～0 ° (right side is to middle), 270 °～360 ° (left side is to middle); 180 °～360 ° (right side is to the left side);-90 °～0 ° (middle) to the left side, 450 °～360 ° (middle), 450 °～270 ° (left side is to the right side) to the right side
2.2) play corresponding rotation animation according to the direction that changes
From top 2.1) can find out that rotation has a half-twist, the Rotate 180 that has °, 90 ° of speed with 180 ° of rotations is consistent just to let 180 ° the number of revolutions be the twice of 90 ° of numbers of revolutions in order to let.Here stipulate that 90 ° of numbers of revolutions are 15 times, 180 ° of numbers of revolutions are 30 times.
This rotation is adopted and is quickened the rotation algorithm:
The current number of degrees=beginning the number of degrees+(finishing the number of degrees-beginning number of degrees) * quickens number percent
Quickening number percent is to increase along with the increase of number of times, and scope equals 0 at first between 0～1, the promptly current number of degrees=beginning number of degrees
The current number of degrees=end number of degrees when quickening number percent=1
Quicken number percent=(total number of revolutions-(total number of revolutions-current number of revolutions) * (total number of revolutions-current number of revolutions)/total number of revolutions)/total number of revolutions
Current number of revolutions adds 1 at every turn
Quickening number percent has utilized function y=1-x*x to transform
The scope of variable x between 1～0, when the scope of such function y just between 0～1
As shown in Figure 2, this para-curve of function y=1-x*x is when x＞0, and along with the x value is big more, its slope is also big more, and speed is just fast more.
The second, in conjunction with the application further explain of the inventive method in mobile phone:
As shown in Figure 3, shield the switching controls flow process in the mobile phone of the specific embodiment of the invention anyhow, specifically may further comprise the steps:
301) operating system receives screen switching message anyhow;
302) operating system is freezed screen and window;
303) interface layout gets access to the image of switching direction rear interface;
304) operating system is sent the on-screen message of thawing;
305) do you judge that screen switching message is to use the gravity sensing mode anyhow? Be to get into next step, otherwise directly get into step 307);
306) call broadcast rotation animation subroutine;
307) screen (display screen switch back image) that thaws.
Wherein, step 306) the broadcast rotation animation subroutine in, concrete steps are as shown in Figure 4, may further comprise the steps:
401) define the number of degrees, the number of degrees of end and the number of times (=0) of rotation that initialization begins according to gravity sensing result and program;
402) do you judge current number of revolutions＜total number of revolutions? Be to get into next step, otherwise get into step 4);
403) calculate the current number of degrees that rotate;
404) show corresponding picture according to the current number of degrees;
405) number of revolutions adds 1, returns step 402);
406) rotation finishes.
The 3rd, the realization of specific embodiment under the Android platform further explain again in conjunction with the inventive method is used in mobile phone comprises three parts, wherein:
First) judges the opportunity that the rotation animation is play
The broadcast of rotation animation is when mobile phone screen switches, to play, but does not comprise the switching state of screen anyhow when cell phone keyboard is opened.Mobile phone shields switching anyhow and comprises gravity sensor and mobile phone sideslip key, triggers through the message of accepting gravity sensor response and sideslip key respectively and shields handover event anyhow.Decide the opportunity of screen switching anyhow through getting rid of the sideslip key switching way.
Second portion) triggers the rotation animation
After interface layout is intact; Can remove the screen that thaws in the notice interface; What judge earlier in the screen that thaws that current triggering screen switches is to adopt gravity sensor mode or sideslip key switching mode, switches to the interface after screen switches if sideslip key is switched the screen that just directly thaws by interface moment; If through the gravity sensor response, screen switches has anyhow just needed to trigger the rotation animation.
Third part) the rotation animation is specifically realized
The realization key of this effect focuses on how getting access to the image that switches rear interface, and the video memory data that this processing relates to bottom read.This part processing is all handled in surface service end SurfaceFlinger the inside.The SurfaceFlinger effect is that range upon range of the adding up of the surface in all systems is plotted to above the screen at last.
The basic composition framework of this SurfaceFlinger, as shown in Figure 5, comprise with lower part or module:
MClientsMap: administrative client is connected with service end.
ISurface, IsurfaceComposer:AIDL calling interface instance
MLayerMap: the management object of the Surface of service end.
MCurrentState.layersSortedByZ: with the Layer array of the Z-order series arrangement of Surface.
GraphicPlane buffer zone outgoing management
OpenGL ES: graphics calculations, image synthesizes graphics library.
This is a graphic buffer manager of following platform to be correlated with for gralloc.xxx.so.
Pmem Device: shared drive is provided, just visible here at gralloc.xxx.so, abstract on the upper strata by gralloc.xxx.so.
The treatment scheme of this SurfaceFlinger, as shown in Figure 6, carry out video data according to incident and handle, and last postFramebuffer goes above exactly image being shown to screen.
In postFramebuffer, use DisplayHardware; DisplayHardware specifically is shown to the concrete realization on the screen with image; At first SurfaceFlinger need operate screen, need set up a screen hardware buffer district Governance framework.When Android supports in design, consider the situation of a plurality of screens, introduced the notion of graphicPlane.A graphicPlane array is arranged on SurfaceFlinger; The corresponding DisplayHardware. of each graphicPlane object is in the design of current Android (2.1) version; System supports a graphicPlane, so also just support a DisplayHardware.SurfaceFlinger, the data relation figure in Hardware hardware buffer district, as shown in Figure 7.
Graphic momory is the memory that is used for showing usefulness among Fig. 7; The android system is in order to promote the display speed at interface; The present invention has adopted two video memory mechanism; Video memory is used for the image of display interface exactly, and another video memory is responsible for preparation needs data presented, these two video memorys back and forth switching efficiency than fast many of the efficient of having only a video memory to show.Filp in DisplayHardware is used for switching two video memorys; EglSwapBuffers (dpy; Surface) be exactly the concrete video memory switching that realizes, just (dpy surface) has removed to obtain in advance the interface data after the switching before at eglSwapBuffers for we; And at eglSwapBuffers (dpy surface) removes to play the rotation animation before.
Play the rotation animation and be through the video memory buffer data that the get access to method for drafting glRotatef through opengl and remove image rotating; Just carry out eglSwapBuffers (dpy immediately after finishing the rotation animation; Surface) image after display interface switches; Just solved problem well, and show effect like this.
The rotate effect of bottom realized, we will combine the above-described rotation animation that sets out to control bottom opportunity to play the rotation animation, how to relate to the process of control lower floor from the upper strata here again.Surface has adopted client/server (CS) pattern to be equivalent to the striding course operation from the upper strata to lower floor's Data transmission; Concrete like Fig. 8-10; Utilize client and service end object relationship, client and SurfaceFlinger annexation and mutual between them; Can data be delivered to this end of surfaceflinger from client through the flow process in Figure 11 and 12, so just can control the animation process logic of bottom.
The above is merely preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.
Claims (10)
1. the screen anyhow of a handheld device switches method of controlling rotation, it is characterized in that, may further comprise the steps:
1.2) obtain the direction of rotation and the angle Ф m behind the switching direction according to gravity sensing;
1.3) freeze screen, get access to the interface image behind the switching direction;
1.4) the angle Ф 0 of the said interface image of reduction before switch show, calculate the current angle Ф i of said interface image again and show to equal angle Ф m, wherein: Ф i=Ф 0+ (Ф n-Ф 0) * Ai until current angle Ф i; (m-(m-i) * (m-i)/m)/m, m are that total rotation shows number of times to Ai=, and i is that current rotation shows number of times; 1≤i≤m; I, m are natural numbers, and Ai quickens number percent, Ф 0, Ф i and the same sense of rotation of Ф m;
Said demonstration is that the handheld device screen is motionless, and around the rotation of screen center's point, said screen only shows the part of said interface image in said screen of rotation to said interface image in said screen surface;
1.5) screen thaws.
2. according to the said control method of claim 1, it is characterized in that, also comprise step 1.1): receiving to shield anyhow and switch whether message determining is the gravity sensing mode, is then to get into step 1.2).
3. according to the said control method of claim 2, it is characterized in that said step 1.1) comprise that also judgement is not the gravity sensing mode, then show the interface image behind the switching direction, skips steps 1.2)～1.5) directly finish.
4. according to the said control method of claim 1, it is characterized in that, judge that according to gravity sensing Ф m overlaps skips steps 1.3 with Ф 0)～1.5) directly finish.
5. according to the said control method of claim 1, it is characterized in that, switch preceding angle Ф 0=0 °, the angle Ф m=90 behind the switching direction °, 180 ° or 270 °.
6. according to the said control method of claim 1, it is characterized in that, if Ф m=90 °, m=N, then when Ф m=180 °, m=2N, wherein N is the natural number greater than 2.
7. according to the said control method of claim 1, it is characterized in that, if Ф m=90 °, m=N, then when Ф m=270 °, m=3N, wherein N is the natural number greater than 2.
8. according to claim 6 or 7 said control methods, it is characterized in that N=15.
9. according to the said control method of claim 1, it is characterized in that said step 1.4) the middle pair video memorys that adopt, the interface image of storing the interface image of current rotation respectively and rotating next time calls in turn.
10. said according to Claim 8 control method is characterized in that said pair of video memory is logical memory, and said calling in turn is between two video memorys, to switch current video memory address.
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| CN102743849A (en) * | 2012-07-11 | 2012-10-24 | 吴敬杰 | Control system used for sports fitness |
| CN102929516A (en) * | 2012-11-08 | 2013-02-13 | 山东大学 | Gravity sensing animation transforming method aiming at web browser pages |
| CN102945076A (en) * | 2012-10-19 | 2013-02-27 | 广东欧珀移动通信有限公司 | Image rotating method and device on display terminal, and display control system |
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| CN102929516A (en) * | 2012-11-08 | 2013-02-13 | 山东大学 | Gravity sensing animation transforming method aiming at web browser pages |
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| CN106095263A (en) * | 2015-04-27 | 2016-11-09 | 三星电子株式会社 | For showing method and the electronic equipment thereof of user interface |
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Application publication date: 20120627 |