Android键盘弹出时不要把底部按钮顶上去

//屏幕整体上移
<activity
android:name=".contractManage.activity.ContractManageActivity"
android:screenOrientation="portrait"
android:windowSoftInputMode="stateVisible|adjustResize"/>
//键盘覆盖屏幕。
<activity
android:name=".contractManage.activity.ContractManageActivity"
android:screenOrientation="portrait"
android:windowSoftInputMode="adjustPan"/>