Android Hardware acceleration

<span id="Label3"><p>In android, you can turn on hardware acceleration on four different levels:</p><p>1. application:<br><application android:hardwareaccelerated= "true" ></p><p>2. Activity<br><activity android:hardwareaccelerated= "true" ><br>3. Window<br>GetWindow (). setflags (WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED, WindowManager.LayoutParams.FLAG_ hardware_accelerated);<br>4. View<br>View.setlayertype (view.layer_type_software, null);<br>In these four levels, the app and activity are selectable, window can only be opened, and view can only be Closed.</p><p></p><p>In apk androidmanifest, if Minsdkversion&targetsdkversion=7 is specified, the app will not be able to use hardware acceleration for drawing.</p><p><span style="color: #ff0000;">however, It is important to note that if the parent view and child view turn on hardware acceleration at the same time, the hardware acceleration will sometimes fail, such as the view does not appear when the image is generated, the reason for the source to See.</span></p><p>Android Hardware acceleration</p></span>