Android 8.1 去掉Launcher3的默认Google搜索栏

去掉search_container_workspace.xml的fragment

<com.android.launcher3.qsb.QsbContainerView
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:id="@id/search_container_workspace"
        android:padding="0dp" >

    
com.android.launcher3.qsb.QsbContainerView>

Workspace.java的public void bindAndInitFirstWorkspaceScreen(View qsb)

if (qsb == null) {
            // In transposed layout, we add the QSB in the Grid. As workspace does not touch the
            // edges, we do not need a full width QSB.
            qsb = LayoutInflater.from(getContext())
                    .inflate(R.layout.search_container_workspace,firstPage, false);
        }

        //注释掉
        /*CellLayout.LayoutParams lp = new CellLayout.LayoutParams(0, 0, firstPage.getCountX(), 1);
        lp.canReorder = false;
        if (!firstPage.addViewToCellLayout(qsb, 0, R.id.search_container_workspace, lp, true)) {
            Log.e(TAG, "Failed to add to item at (0, 0) to CellLayout");
        }*/