"share" Schindler iTOP4412 Development board-android System screen rotation settings

<span id="Label3"></p><p><p><br></p></p><p><p>1.1 <span style="font-family: 宋体">Overview</span></p></p><p><p>Android4.0<span style="font-family: 宋体">,</span><span style="font-family: Times New Roman">Androd4.4</span> <span style="font-family: 宋体">Source code can be compiled into mobile phone mode and tablet mode, for the</span> <span style="font-family: Times New Roman">iTop4412</span> <span style="font-family: 宋体">Development Platform</span></p></p><p><p>The <span style="font-family: Times New Roman">Android</span> <span style="font-family: 宋体">system is compiled by default into tablet Mode. Customers need to switch screens based on their product design and application environment</span> .</p></p><p><p>Display direction, or a fixed good one display direction, such as a display with a different resolution in the product, or a display</p></p><p><p>In the product of the fixed direction of change <span style="font-family: Times New Roman">, etc.,</span> <span style="font-family: 宋体">all need to perform screen rotation function. So how to set the rotation of the screen</span></p></p><p><p>it? We offer two ways to meet the needs of our Customers.</p></p><p><p></p></p><p><p>1.2 <span style="font-family: 宋体">Install screen rotation</span> <span style="font-family: Times New Roman">APK</span></p></p><p><p>The <span style="font-family: Times New Roman">Android4.4</span> <span style="font-family: 宋体">Image </span>released by Schindler for the company contains a <span style="font-family: Times New Roman">setorientation.apk</span> <span style="font-family: 宋体">application that</span></p></p><p><p>Adjusts the rotation angle of the screen <span style="font-family: Times New Roman"></span>, such as the<span style="font-family: 宋体">°. </span> <span style="font-family: Times New Roman"></span><span style="font-family: 宋体">. </span> <span style="font-family: Times New Roman"></span>Rotate in the direction of the<span style="font-family: 宋体">°. </span></p></p><p><p><span style="font-family: 宋体"><br></span></p></p><p><p><span style="font-family: 宋体"><br></span></p></p><p><p></p></p><p><p></p></p><p><p>Before executing the <span style="font-family: Times New Roman">set Orientation</span> <span style="font-family: 宋体">application, You need to set the screen orientation from the lock state to the active rotation:</span></p></p><p><p>Swipe down from top to bottom in the upper-right corner of the screen to show a drop-down menu:</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>Indicates that you are adjusting to your own active rotation state:</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>After setup, we perform the screen orientation setup software <span style="font-family: Times New Roman">setorientation:</span></p></p><p><p>For example, the software can set the screen to <span style="font-family: Times New Roman">Landscape</span> <span style="font-family: 宋体">mode and </span> <span style="font-family: Times New Roman">Portrait</span> <span style="font-family: 宋体">mode as Seen. </span> <span style="font-family: Times New Roman">Landscape</span> <span style="font-family: 宋体">for screen</span></p></p><p><p>The long side of the screen is used as the top and bottom, and the<span style="font-family: Times New Roman">Portrait</span> <span style="font-family: 宋体">is the top and bottom of the side with the short size. That's What we always say.</span></p></p><p><p>Horizontal screen display, Vertical screen display.</p></p><p><p></p></p><p><p></p></p><p><p><br></p></p><p><p></p></p><p><p>At the moment our screen is displayed in horizontal Screen. We need to set the screen to vertical display: select <span style="font-family: Times New Roman">Portrait</span> <span style="font-family: 宋体">mode</span></p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>can also be set to <span style="font-family: Times New Roman">Portrait (reserve)</span> <span style="font-family: 宋体">mode. That is</span> , <span style="font-family: Times New Roman">Portrait</span> <span style="font-family: 宋体">mode and then rotate </span> <span style="font-family: Times New Roman"></span> the <span style="font-family: 宋体">degree of saturation:</span></p></p><p><p></p></p><p><p></p></p><p><p>After the screen rotation angle is set. You need to set the screen orientation state to locked, just set the lock state,</p></p><p><p>The desktop form rotates immediately after you start the system Again. Otherwise it will take a while for the rotation to Occur.</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>1.3 <span style="font-family: 宋体">Changing the configuration file</span></p></p><p><p>In addition to using the exclusive <span style="font-family: Times New Roman">APK</span> to <span style="font-family: 宋体">set the screen rotation angle, you can also change</span> the properties of <span style="font-family: Times New Roman">Android</span> to <span style="font-family: 宋体">achieve the same function. </span></p></p><p><p></p></p><p><p>Android4.0<span style="font-family: 宋体">,</span>There are build.pro files in the<span style="font-family: Times New Roman">Android4.4</span> <span style="font-family: 宋体">version number</span> <span style="font-family: Times New Roman"></span> <span style="font-family: 宋体">, which is located </span>in <span style="font-family: Times New Roman">/system/</span> <span style="font-family: 宋体">folder Below. This file</span></p></p><p><p>For the <span style="font-family: Times New Roman">Android</span> <span style="font-family: 宋体">Property profile, We can</span> <span style="font-family: 宋体">make the screen rotate</span> by changing the <span style="font-family: Times New Roman">ro.sf.hwrotation</span> option in the File:</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p><span style="font-family: 宋体">Before you edit this file in the Android4.4 System. You need to enter the SU command in the Debug serial terminal </span> <span style="font-family: Times New Roman"></span> , <span style="font-family: 宋体">and then enter,</span></p></p><p><p>This way we have superuser privileges and can <span style="font-family: 宋体">change</span> the <span style="font-family: Times New Roman">build.pro</span> file through <span style="font-family: Times New Roman">vi</span> <span style="font-family: 宋体">. otherwise, There is no permission Change. </span></p></p><p><p>For example, as seen in:</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>Note: the VI Editing tool is integrated into the published <span style="font-family: Times New Roman">Android4.4</span> <span style="font-family: 宋体">version number</span> <span style="font-family: Times New Roman"></span> <span style="font-family: 宋体">and can be used Directly. </span></p></p><p><p></p></p><p><p>After you open the properties File. Find <span style="font-family: Times New Roman">ro.sf.hwrotation</span> <span style="font-family: 宋体">key options, change to the required rotation angle, here support</span> <span style="font-family: Times New Roman">0</span><span style="font-family: 宋体">°,</span></p></p><p><p>°<span style="font-family: 宋体"></span><span style="font-family: Times New Roman"></span>,<span style="font-family: 宋体">°, rotate, For example to see the</span></p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>Rotation angle changed into <span style="font-family: Times New Roman"></span>the<span style="font-family: 宋体">°:</span></p></p><p><p><span style="font-family: 宋体"><br></span></p></p><p><p><span style="font-family: 宋体"><br></span></p></p><p><p></p></p><p><p></p></p><p><p>After the change is complete, save the exit and start the system again:</p></p><p><p></p></p><p><p><br></p></p><p><p></p></p><p><p>Note:<span style="font-family: Times New Roman">Android4.4.4</span> <span style="font-family: 宋体">native system does not support </span> <span style="font-family: Times New Roman">ro.sf.hwrotation</span> <span style="font-family: 宋体">configuration by default, we move in</span> <span style="font-family: Times New Roman">Android4.4.4</span> <span style="font-family: 宋体">Code </span></p></p><p><p>This feature has been planted to make it easy for everyone to Use. <span style="font-family: Times New Roman">Android4.0.3</span> <span style="font-family: 宋体">native code supports this option Configuration. </span></p></p><p><p></p></p><p><p>In addition, you want to burn to the development platform of the image by default is the effect of rotation, then need to edit:</p></p><p><p>Device/samsung/smdk4x12/system.prop <span style="font-family: 宋体">config file, compile</span> <span style="font-family: Times New Roman">Android</span> <span style="font-family: 宋体">code, Burn write</span> <span style="font-family: Times New Roman">system.img</span> <span style="font-family: 宋体">to open </span></p></p><p><p>Hair platform:</p></p><p><p></p></p><p><p></p></p><p><p></p></p><p><p>Android4.0<span style="font-family: 宋体">,</span><span style="font-family: Times New Roman">Android4.4</span> <span style="font-family: 宋体">are both for this file, and the folder path is the Same. </span></p></p><p><p></p></p><p><p></p></p><p><p>1.4 <span style="font-family: 宋体">Summary</span></p></p><p><p>There are two ways to rotate the screen, each of which has its own characteristics. Use the screen to rotate <span style="font-family: Times New Roman">APK</span><span style="font-family: 宋体">, support</span> <span style="font-family: Times New Roman">0</span><span style="font-family: 宋体">,</span><span style="font-family: Times New Roman"></span><span style="font-family: 宋体"></span><span style="font-family: Times New Roman"></span><span style="font-family: 宋体"></span><span style="font-family: Times New Roman"></span> <span style="font-family: 宋体"> Degrees Four Directions</span></p></p><p><p>of Rotation. however, it is necessary to use the software to set, of course, the first time software settings. After the system starts, it will take its own initiative</p></p><p><p>Angle Rotation. In addition, the <span style="font-family: Times New Roman">android</span> <span style="font-family: 宋体">startup animation cannot be rotated during the system startup, and the system only has access to the table</span></p></p><p><p>Rotation occurs on the Face.</p></p><p><p></p></p><p><p>When using the configuration item for screen rotation<span style="font-family: Times New Roman"></span> , <span style="font-family: 宋体">the animation of the Android system during the boot process has been rotated to enter</span></p></p><p><p>After the desktop you do not feel the rotation action, more suitable for product applications, additional configuration item rotation currently does not support <span style="font-family: Times New Roman"></span> the</p></p><p><p>Only <span style="font-family: Times New Roman">0</span>of<span style="font-family: 宋体">the</span><span style="font-family: Times New Roman"></span>support<span style="font-family: 宋体">. </span> <span style="font-family: Times New Roman"></span> <span style="font-family: 宋体">The rotation of the three angles of a degree. </span></p></p><p><p>The above is the two ways of screen rotation, where the screen rotation does not consider the gravity sensor Factor. This feature is based on</p></p><p><p>Android <span style="font-family: 宋体">System Product Customer needs, Hope this document can solve your screen angle rotation problem in product DESIGN. </span></p></p><p><p></p></p> <p><p>"share" Schindler iTOP4412 Development board-android System screen rotation settings</p></p></span>