模仿登录界面软键盘弹出时不覆盖下面的登陆按钮的的效果

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E6E6E6"
android:orientation="vertical" >

<com.eiice.xiaokeke.SoftKeyBoardSatusView
android:id="@+id/login_soft_status_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</com.example.test.SoftKeyBoardSatusView>

<LinearLayout
android:id="@+id/login_layout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >

<ImageView
android:id="@+id/login_icon"
android:layout_width="75dp"
android:layout_height="75dp"
android:layout_gravity="center_horizontal"
android:layout_marginTop="100dp"
android:src="@drawable/default_head_icon" />

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="5dp"
android:background="@drawable/login_edit_bg"
android:orientation="vertical"
android:paddingTop="10dp" >

<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content" >

<EditText
android:id="@+id/login_edit_account"
android:layout_width="fill_parent"
android:layout_height="45dp"
android:layout_marginRight="65dp"
android:background="@android:color/transparent"
android:gravity="center_vertical"
android:hint="请输入账号"
android:paddingLeft="10dp"
android:singleLine="true"
android:textColor="@android:color/black"
android:textSize="18sp" />

<ImageView
android:id="@+id/login_arrow"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:paddingBottom="10dp"
android:paddingLeft="5dp"
android:paddingRight="7dp"
android:paddingTop="10dp"
android:src="@drawable/arro_down"
android:textSize="18sp" />

<ImageView
android:id="@+id/login_account_edit_clear"
android:layout_width="16dp"
android:layout_height="16dp"
android:layout_centerVertical="true"
android:layout_marginRight="2dp"
android:layout_toLeftOf="@id/login_arrow"
android:src="@drawable/common_input_box_clear" />
</RelativeLayout>

<View
android:layout_width="fill_parent"
android:layout_height="1px"
android:background="@android:color/darker_gray" />

<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<EditText
android:id="@+id/login_edit_password"
android:layout_width="fill_parent"
android:layout_height="45dp"
android:layout_marginRight="65dp"
android:background="@android:color/transparent"
android:gravity="center_vertical"
android:hint="请输入密码"
android:inputType="textPassword"
android:paddingLeft="10dp"
android:paddingRight="45dp"
android:singleLine="true"
android:textColor="@android:color/black"
android:textSize="18sp" />

<ImageView
android:id="@+id/login_password_edit_clear"
android:layout_width="16dp"
android:layout_height="16dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="5dp"
android:src="@drawable/common_input_box_clear" />
</RelativeLayout>
</LinearLayout>

<Button
android:id="@+id/login_login_btn"
android:layout_width="fill_parent"
android:layout_height="45dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="40dp"
android:background="@drawable/login_btn_selector"
android:gravity="center"
android:text="登 录"
android:textColor="@android:color/white"
android:textSize="22sp"
android:textStyle="bold" />

<Button
android:id="@+id/login_register_btn"
android:layout_width="fill_parent"
android:layout_height="45dp"
android:layout_marginBottom="20dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="20dp"
android:background="@drawable/login_btn_selector"
android:gravity="center"
android:text="注 册"
android:textColor="@android:color/white"
android:textSize="22sp"
android:textStyle="bold" />
</LinearLayout>

</RelativeLayout>

package com.eiice.xiaokeke;

import com.example.test.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.LinearLayout;

public class MainActivity extends Activity implements
SoftKeyBoardSatusView.SoftkeyBoardListener {

Button button_register;
SoftKeyBoardSatusView satusView;
LinearLayout login_layout;
int scroll_dx;
int screenHeight;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button_register = (Button) findViewById(R.id.login_register_btn);
satusView = (SoftKeyBoardSatusView) findViewById(R.id.login_soft_status_view);
login_layout = (LinearLayout) findViewById(R.id.login_layout);

screenHeight = getWindowManager().getDefaultDisplay().getHeight();
satusView.setSoftKeyBoardListener(this);
}

@Override
public void keyBoardStatus(int w, int h, int oldw, int oldh) {

}

@Override
public void keyBoardVisable(int move) {
int[] location = new int[2];
button_register.getLocationOnScreen(location);
int btnToBottom = screenHeight - location[1] - button_register.getHeight();
scroll_dx = btnToBottom > move ? 0 : move - btnToBottom;
login_layout.scrollBy(0, scroll_dx);
}

@Override
public void keyBoardInvisable(int move) {
login_layout.scrollBy(0, -scroll_dx);
}
}

package com.eiice.xiaokeke;

import com.example.test.R;

import android.app.Activity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.LinearLayout;

public class MainActivity extends Activity implements
SoftKeyBoardSatusView.SoftkeyBoardListener {

Button button_register;
SoftKeyBoardSatusView satusView;
LinearLayout login_layout;
int scroll_dx;
int screenHeight;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button_register = (Button) findViewById(R.id.login_register_btn);
satusView = (SoftKeyBoardSatusView) findViewById(R.id.login_soft_status_view);
login_layout = (LinearLayout) findViewById(R.id.login_layout);

screenHeight = getWindowManager().getDefaultDisplay().getHeight();
satusView.setSoftKeyBoardListener(this);
}

@Override
public void keyBoardStatus(int w, int h, int oldw, int oldh) {

}

@Override
public void keyBoardVisable(int move) {
int[] location = new int[2];
button_register.getLocationOnScreen(location);
int btnToBottom = screenHeight - location[1] - button_register.getHeight();
scroll_dx = btnToBottom > move ? 0 : move - btnToBottom;
login_layout.scrollBy(0, scroll_dx);
}

@Override
public void keyBoardInvisable(int move) {
login_layout.scrollBy(0, -scroll_dx);
}
}