amm_sdk_sample/res/layout/security_image.xml

<?xml version="1.0" encoding="utf-8"?>
<com.tencent.mm.sdk.uikit.applet.SecurityImage xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:orientation="vertical" >

    <LinearLayout style="@style/MMBody" >

        <!-- SecImg -->

        <LinearLayout
            style="@style/MMLine"
            android:gravity="bottom"
            android:padding="5dp" >

            <FrameLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="#000000"
                android:minHeight="40dp"
                android:padding="1dp" >

                <ImageView
                    android:id="@+id/authcode_iv"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:minHeight="40dp"
                    android:minWidth="100dp" />

                <ProgressBar
                    android:id="@+id/refresh_mini_pb"
                    style="?android:attr/progressBarStyleSmall"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:visibility="invisible" />
            </FrameLayout>

            <View style="@style/MMSplit" />

            <Button
                android:id="@+id/authcode_change_btn"
                style="@style/HyperText"
                android:minHeight="40dp"
                android:singleLine="true"
                android:text="@string/applet_secimg_change" />
        </LinearLayout>

        <View style="@style/MMSplit" />

        <!-- SecCode -->

        <EditText
            android:id="@+id/authcode_et"
            style="@style/MMLineEditText"
            android:hint="@string/applet_secimg_title" />
    </LinearLayout>

</com.tencent.mm.sdk.uikit.applet.SecurityImage>