我使用了Android支持库中的RecyclerView。在三星Galaxy S2上运行Android 4.1.2（API 16）时，一切都很好，但是在Logcat中我看到以下消息：
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.isUpdated ()Z from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.isUpdated, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16775: Landroid/support/v7/widget/RecyclerView$ViewHolder;.isUpdated ()Z
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x0031
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.flagRemovedAndOffsetPosition (IIZ)V from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.flagRemovedAndOffsetPosition, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16759: Landroid/support/v7/widget/RecyclerView$ViewHolder;.flagRemovedAndOffsetPosition (IIZ)V
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x0053
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.isRemoved ()Z from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.isRemoved, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16772: Landroid/support/v7/widget/RecyclerView$ViewHolder;.isRemoved ()Z
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x0058
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.clearPayload ()V from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.clearPayload, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16754: Landroid/support/v7/widget/RecyclerView$ViewHolder;.clearPayload ()V
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x007c
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.isAdapterPositionUnknown ()Z from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.isAdapterPositionUnknown, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16768: Landroid/support/v7/widget/RecyclerView$ViewHolder;.isAdapterPositionUnknown ()Z
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x0086
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.offsetPosition (IZ)V from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.offsetPosition, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16777: Landroid/support/v7/widget/RecyclerView$ViewHolder;.offsetPosition (IZ)V
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x00ad
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.shouldIgnore ()Z from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.shouldIgnore, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16786: Landroid/support/v7/widget/RecyclerView$ViewHolder;.shouldIgnore ()Z
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x00b9
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.setFlags (II)V from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.setFlags, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16782: Landroid/support/v7/widget/RecyclerView$ViewHolder;.setFlags (II)V
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x00d4
03-24 I/dalvikvm: DexOpt: illegal method access (call Landroid/support/v7/widget/RecyclerView$ViewHolder;.addChangePayload (Ljava/lang/Object;)V from Lnet/mytest/TransactionsAdapter$TransactionsAdapterViewHolder;)
03-24 I/dalvikvm: Could not find method android.support.v7.widget.RecyclerView$ViewHolder.addChangePayload, referenced from method net.mytest.TransactionsAdapter$TransactionsAdapterViewHolder.access$super
03-24 W/dalvikvm: VFY: unable to resolve virtual method 16751: Landroid/support/v7/widget/RecyclerView$ViewHolder;.addChangePayload (Ljava/lang/Object;)V
03-24 D/dalvikvm: VFY: replacing opcode 0x6f at 0x00dc
我需要担心这些消息吗？