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标题: 解决导航栏丢失的问题 [打印本页]

作者: zangcf 时间: 2016-5-27 22:36
标题: 解决导航栏丢失的问题
/media/doraemon/express/alps_VR_new/frameworks/native/services/surfaceflinger/Layer.cpp：：：：
这个文件的
Layer:

ayer(SurfaceFlinger* flinger, const sp<Client>& client,
      const String8& name, uint32_t w, uint32_t h, uint32_t flags)
: contentDirty(false),
      sequence(uint32_t(android_atomic_inc(&sSequence))),
      mFlinger(flinger),
      mTextureName(-1U),
      mPremultipliedAlpha(true),
      mName("unnamed"),
      mDebug(false),
      mFormat(PIXEL_FORMAT_NONE),
      mTransactionFlags(0),
      mQueuedFrames(0),
      mSidebandStreamChanged(false),
      mCurrentTransform(0),
      mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
      mCurrentOpacity(true),
      mRefreshPending(false),
      mFrameLatencyNeeded(false),
      mFiltering(false),
      mNeedsFiltering(false),
      mMesh(Mesh::TRIANGLE_FAN, 4, 2, 2),
      mSecure(false),
      mProtectedByApp(false),
      mHasSurface(false),
      mClientRef(client),
      mPotentialCursor(false)
{
mCurrentCrop.makeInvalid();
mFlinger->getRenderEngine().genTextures(1, &mTextureName);
mTexture.init(Texture::TEXTURE_EXTERNAL, mTextureName);

uint32_t layerFlags = 0;
if (flags & ISurfaceComposerClient::eHidden)
      layerFlags |= layer_state_t::eLayerHidden;
if (flags & ISurfaceComposerClient::eOpaque)
      layerFlags |= layer_state_t::eLayerOpaque;

if (flags & ISurfaceComposerClient::eNonPremultiplied)
      mPremultipliedAlpha = false;

mName = name;

mCurrentState.active.w = w;
//强制修改可视区域高度，可能这个地方是无效果的。
//if(!is3DMode() && h>16 && h<=960)h=1920;
mCurrentState.active.h = h;
mCurrentState.active.crop.makeInvalid();
mCurrentState.z = 0;
mCurrentState.alpha = 0xFF;
mCurrentState.layerStack = 0;
mCurrentState.flags = layerFlags;

导致的

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