<?xml version="1.0" encoding="utf-8"?> 
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
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              android:orientation="vertical" 
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              android:layout_width="fill_parent" 
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              android:layout_height="fill_parent"> 
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    <TextView 
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        android:id="@+id/textView1" 
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        android:layout_width="match_parent" 
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        android:layout_height="wrap_content" 
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        android:gravity="center" 
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        android:text="res sdk" /> 
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    <Button 
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            android:id="@+id/button" 
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            android:layout_width="match_parent" 
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            android:layout_height="wrap_content" 
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            android:text="登录" 
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            android:onClick="login"/> 
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    <Button 
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            android:id="@+id/changAccount" 
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            android:layout_width="match_parent" 
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            android:layout_height="wrap_content" 
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            android:onClick="changAccount" 
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            android:text="切换账号"/> 
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    <Button 
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            android:id="@+id/payBtn" 
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            android:layout_width="match_parent" 
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            android:layout_height="wrap_content" 
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            android:text="支付" 
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            android:onClick="pay"/> 
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    <Button 
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            android:id="@+id/userinfo" 
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            android:layout_width="match_parent" 
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            android:layout_height="wrap_content" 
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            android:text="用户中心" 
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            android:layout_gravity="center_horizontal" 
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            android:onClick="userinfo" 
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            android:visibility="visible"/> 
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    <Button 
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        android:id="@+id/bindphone" 
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        android:layout_width="match_parent" 
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        android:layout_height="wrap_content" 
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        android:onClick="bindphone" 
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        android:text="绑定手机" /> 
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    <Button 
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            android:layout_width="match_parent" 
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            android:layout_height="wrap_content" 
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            android:text="退出" 
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            android:onClick="logout"/> 
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    <TextView 
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            android:id="@+id/txt" 
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            android:layout_width="fill_parent" 
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            android:layout_height="wrap_content" 
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            android:text="欢迎使用" 
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            /> 
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    <EditText 
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        android:id="@+id/ed_amount" 
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        android:layout_width="match_parent" 
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        android:layout_height="wrap_content" 
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        android:hint="金额" 
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        android:ems="10" > 
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        <requestFocus /> 
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    </EditText> 
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</LinearLayout> 
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