xml
<?xml version="1.0"?> -<LinearLayout tools:context=".MainActivity" android:paddingTop="@dimen/activity_vertical_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingBottom="@dimen/activity_vertical_margin" android:orientation="vertical" android:layout_height="match_parent" android:layout_width="match_parent" xmlns:tools="http://schemas.android.com/tools" xmlns:android="http://schemas.android.com/apk/res/android"> <EditText android:id="@+id/et_url" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="http://www.baidu.com"/> <Button android:id="@+id/bt_looksource" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="查看图片"/> -<ScrollView android:layout_height="wrap_content" android:layout_width="wrap_content"> <ImageView android:id="@+id/img_pic" android:layout_height="match_parent" android:layout_width="match_parent"/> </ScrollView> </LinearLayout>