Andoroid实现底部图片选择Dialog效果

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <TextView  android:id="@+id/abroad_takephoto"  android:layout_width="match_parent"  android:layout_height="@dimen/abroad_dialog_item_hight"  android:background="@drawable/abroad_dialogitem_selector"  android:gravity="center"  android:text="@string/abroad_photo"  android:textColor="@color/abroad_dialog_textcolor"  android:textSize="@dimen/abroad_dialog_textsize" /> <View  android:layout_width="match_parent"  android:layout_height="@dimen/abroad_dialog_view_hight"  android:background="@color/abroad_dialog_view_bg" /> <TextView  android:id="@+id/abroad_choosephoto"  android:layout_width="match_parent"  android:layout_height="@dimen/abroad_dialog_item_hight"  android:background="@drawable/abroad_dialogitem_selector"  android:gravity="center"  android:text="@string/abroad_choosephotp"  android:textColor="@color/abroad_dialog_textcolor"  android:textSize="@dimen/abroad_dialog_textsize" /> <TextView  android:id="@+id/abroad_choose_cancel"  android:layout_width="match_parent"  android:layout_height="@dimen/abroad_dialog_item_hight"  android:layout_marginTop="@dimen/abroad_feedback_top"  android:background="@drawable/abroad_dialogitem_selector"  android:gravity="center"  android:text="@string/abroad_cancel"  android:textColor="@color/abroad_dialog_textcolor"  android:textSize="@dimen/abroad_dialog_textsize" /></LinearLayout>