Android12 添加屏幕方向旋转方案

最新推荐文章于 2024-10-10 14:40:15 发布

framework-coder

最新推荐文章于 2024-10-10 14:40:15 发布

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分类专栏： Android12 系统修改与定制文章标签： orientation

本文链接：https://blog.youkuaiyun.com/wxd_csdn_2016/article/details/140631380

添加屏幕方向属性值

device/qcom/qssi/system.prop

persist.panel.orientation=0

修改开机动画方向

frameworks/base/cmds/bootanimation/BootAnimation.cpp

status_t BootAnimation::readyToRun() {
   
    mAssets.addDefaultAssets();

    mDisplayToken = SurfaceComposerClient::getInternalDisplayToken();
    if (mDisplayToken == nullptr)
        return NAME_NOT_FOUND;

    DisplayMode displayMode;
    const status_t error =
            SurfaceComposerClient::getActiveDisplayMode(mDisplayToken, &displayMode);
    if (error != NO_ERROR)
        return error;

    mMaxWidth = android::base::GetIntProperty("ro.surface_flinger.max_graphics_width", 0);
    mMaxHeight = android::base::GetIntProperty("ro.surface_flinger.max_graphics_height", 0);
    ui::Size resolution = displayMode.resolution;
    resolution = limitSurfaceSize(resolution.width, resolution.height);
    
    // add start
    char rAngleValue[PROPERTY_VALUE_MAX];
    property_get("persist.panel.orientation", rAngleValue, "0");
    int rAngle = atoi(rAngleValue);
    SurfaceComposerClient::Transaction t;
    
    int d_width = resolution.getWidth(),d_height = resolution.getHeight();
    
    if (rAngle