通过链接传来的图像未在ImageView（毕加索）中设置。我已经登录了。我正在接收链接，但是当我打电话时
Picasso.with(SignAgreement.this).load(sign_url).into(img_set_sign);
图像未在ImageView中设置。
我附加了XML代码和JAVA代码： -
signature.xml中
<?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">
<RelativeLayout
android:id="@+id/rltv_hdr"
android:layout_width="fill_parent"
android:layout_height="@dimen/capture_sign_LayoutHeight"
android:layout_alignParentTop="true"
android:background="@drawable/header_bg">
<TextView
android:id="@+id/search_header"
style="@style/header_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="@string/dashboard"
android:textColor="@android:color/white"
android:textStyle="bold" />
<ImageButton
android:id="@+id/btn_back"
android:layout_width="@dimen/capture_sign_btn_back_LayoutWidth"
android:layout_height="@dimen/capture_sign_btn_back_LayoutHeight"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:layout_marginLeft="@dimen/capture_sign_btn_back_MarginLeft"
android:background="@drawable/back_button" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/rltv_agrmnt"
android:layout_width="fill_parent"
android:layout_height="250dp"
android:layout_below="@+id/rltv_hdr"
android:layout_centerHorizontal="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="@dimen/capture_sign_rltv_agrmnt_MarginTop">
<ScrollView
android:id="@+id/scrl_vw_cstmr_agrmnt"
android:layout_width="fill_parent"
android:layout_height="@dimen/capture_sign_scrl_vw_cstmr_agrmnt_LayoutHeight"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/capture_sign_scrl_vw_cstmr_agrmnt_MarginTop"
android:background="#e6e6e6"
android:visibility="gone">
<TextView
android:id="@+id/txt_agrmnt"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#e6e6e6"
android:textColor="#000000" />
</ScrollView>
<WebView
android:id="@+id/wb_vw_invoice"
android:layout_width="fill_parent"
android:layout_height="250dp" />
<Button
android:id="@+id/btn_zoom"
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_marginBottom="@dimen/capture_sign_btn_zoom_MarginBottom"
android:background="@android:color/darker_gray"
android:text="Zoom"
android:textColor="@android:color/holo_red_dark" />
</RelativeLayout>
<TextView
android:id="@+id/txt2"
android:layout_width="fill_parent"
android:layout_height="@dimen/capture_sign_txt2_LayoutHeight"
android:layout_alignLeft="@+id/rltv_agrmnt"
android:layout_alignRight="@+id/rltv_agrmnt"
android:layout_below="@+id/rltv_agrmnt"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/capture_sign_txt2_MarginTop"
android:background="#aaaaaa"
android:gravity="center"
android:text="Customer Signature"
android:textColor="#000000" />
<LinearLayout
android:id="@+id/ln_signature"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@+id/img_btn_vw_clr"
android:layout_alignLeft="@+id/txt2"
android:layout_alignRight="@+id/txt2"
android:layout_below="@+id/txt2"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/capture_sign_ln_signature_MarginTop"
android:background="#ffffff"
android:clickable="true"
android:orientation="horizontal"
android:visibility="visible" />
<ImageView
android:id="@+id/img_set_sign"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@+id/img_btn_vw_clr"
android:layout_alignLeft="@+id/txt2"
android:layout_alignRight="@+id/txt2"
android:layout_below="@+id/txt2"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/capture_sign_ln_signature_MarginTop"
android:background="#47ffcc"
android:orientation="horizontal"
android:visibility="gone" />
<ImageButton
android:id="@+id/img_btn_vw_clr"
android:layout_width="@dimen/capture_sign_img_btn_vw_clr_LayoutWidth"
android:layout_height="@dimen/capture_sign_img_btn_vw_clr_LayoutHeight"
android:layout_above="@+id/btn_decline"
android:layout_alignRight="@+id/ln_signature"
android:layout_marginTop="@dimen/capture_sign_img_btn_vw_clr_MarginTop"
android:background="@drawable/clear_signature" />
<Button
android:id="@+id/btn_decline"
android:layout_width="@dimen/capture_sign_btn_decline_LayoutWidth"
android:layout_height="@dimen/capture_sign_btn_decline_LayoutHeight"
android:layout_above="@+id/btn_paper_sign"
android:layout_alignRight="@+id/img_btn_vw_clr"
android:layout_marginTop="@dimen/capture_sign_btn_decline_MarginTop"
android:background="#ff4b25"
android:text="Decline" />
<Button
android:id="@+id/btn_accept"
android:layout_width="@dimen/capture_sign_btn_accept_LayoutWidth"
android:layout_height="@dimen/capture_sign_btn_accept_LayoutHeight"
android:layout_above="@+id/btn_paper_sign"
android:layout_alignBaseline="@+id/btn_decline"
android:layout_alignBottom="@+id/btn_decline"
android:layout_alignLeft="@+id/ln_signature"
android:background="#87b327"
android:text="Accept" />
<Button
android:id="@+id/btn_paper_sign"
android:layout_width="wrap_content"
android:layout_height="@dimen/capture_sign_btn_paper_sign_LayoutHeight"
android:layout_alignLeft="@+id/btn_accept"
android:layout_alignParentBottom="true"
android:layout_alignRight="@+id/btn_decline"
android:layout_marginTop="5dp"
android:background="#87b327"
android:text="Signature via paper work" />
</RelativeLayout>
Signature.java
btn_yes.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
img_set_sign.setVisibility(View.VISIBLE);
mContent.setVisibility(View.GONE);
Picasso.with(Signature.this).load(sign_url).into(img_set_sign);
dialog.dismiss();
}
});
请指导我一些指导原则 无法通过包含的网址设置图片 图像到imageview