{"id":200211,"date":"2023-08-03T22:00:34","date_gmt":"2023-08-03T14:00:34","guid":{"rendered":"https:\/\/www.idc.net\/help\/200211\/"},"modified":"2023-08-03T22:00:34","modified_gmt":"2023-08-03T14:00:34","slug":"%e5%85%b3%e4%ba%8elinearlayout%e8%ae%be%e7%bd%ae%e6%9d%83%e9%87%8d%e5%90%8ewidth%e6%88%96height%e4%b8%8d%e8%ae%be%e7%bd%ae0dp%e7%9a%84%e5%bd%b1%e5%93%8d%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/200211\/","title":{"rendered":"\u5173\u4e8eLinearLayout\u8bbe\u7f6e\u6743\u91cd\u540ewidth\u6216height\u4e0d\u8bbe\u7f6e0dp\u7684\u5f71\u54cd\u8bf4\u660e"},"content":{"rendered":"

\u6458\u8981<\/strong><\/p>\n

\u5e73\u65f6\u6ca1\u90a3\u4e48\u6ce8\u610fLinearLayout\u5e03\u5c40\u65f6\u6743\u91cd\u7684\u95ee\u9898\uff0c\u8bbe\u7f6e\u4e86\u6743\u91cd\u5c5e\u6027\u540e\uff0c\u901a\u5e38\u5efa\u8bae\u5c06width\u6216height\u7684\u5c5e\u6027\u503c\u8bbe\u7f6e\u4e3a0dp\uff0c\u6709\u65f6\u5019\u8bbe\u7f6e\u6743\u91cd\u540e\uff0c\u8fd8\u662f\u4e60\u60ef\u5c06width\u6216height\u7684\u5c5e\u6027\u8bbe\u7f6e\u4e3awrap_content\uff0c\u8fd9\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\u5417?\u505a\u5b8c\u4e86\u201c\u638c\u4e0a\u5e73\u6842\u201d\u9879\u76ee\u540e\uff0c\u53d1\u73b0\u65b0\u95fb\u680f\u76ee\u7684\u591a\u56fe\u5c55\u793a\uff0c\u603b\u662f\u51fa\u73b0\u4e09\u5f20\u56fe\u65e0\u6cd5\u5e73\u5747\u5206\u914d\u7a7a\u95f4\u7684\u95ee\u9898\uff0c\u5176\u4e2d\u4e00\u4e2a\u539f\u56e0\uff0c\u6bcf\u4e00\u5f20\u56fe\u7247\u7684\u5c3a\u5bf8\u4e0d\u540c\uff0c\u6700\u521d\u7684\u731c\u60f3\u53ef\u80fd\u7f51\u7edc\u52a0\u8f7d\u6570\u636e\u5ef6\u65f6\u7684\u95ee\u9898\u6216\u662fViewHolder\u7c7b\u7684\u95ee\u9898\u3002***\u53d1\u73b0\u539f\u56e0\u662f\u6743\u91cd\u8bbe\u7f6e\u7684\u95ee\u9898\u3002<\/p>\n

\u4e8c.\u591a\u5f20\u56fe\u5e03\u5c40\u8bbe\u8ba1<\/strong><\/p>\n

\u4f7f\u7528RelativeLayout\u5e03\u5c40\uff0c\u5d4c\u5957\u5782\u76f4\u7684LinearLayout\uff0cLinearLayout\u5d4c\u5957TextView\u548c\u53e6\u4e00\u4e2a\u6c34\u5e73\u7684LinearLayout\uff0c\u6c34\u5e73\u7684LinearLayout\u653e\u7f6e\u4e09\u5f20\u56fe\u7247\uff0c\u6700\u521d\u6c34\u5e73\u7684LinearLayout\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

\n \n \n \n 
    \n  \n  \n  \n  
  1. <LinearLayout <\/span><\/span><\/li>\n  \n  \n  \n  
  2.      android:id=\"@+id\/external_news_horizontal_ll\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  3.      android:layout_width=\"match_parent\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  4.      android:layout_height=\"match_parent\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  5.      android:orientation=\"horizontal\"<\/span> > <\/span><\/span><\/li>\n  \n  \n  \n  
  6.   <\/span><\/li>\n  \n  \n  \n  
  7.      <ImageView <\/span><\/li>\n  \n  \n  \n  
  8.          android:id=\"@+id\/news_list_item_img_one_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  9.          android:layout_width=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  10.          android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  11.          android:layout_<a title=\"\u3010\u67e5\u770b\u542b\u6709[weight]\u6807\u7b7e\u7684\u6587\u7ae0\u3011\"<\/span> href=<\/span>\"http:\/\/teachcourse.cn\/tag\/weight\"<\/span> target=<\/span>\"_blank\"<\/span>>weight<\/a>=<\/span>\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  12.          android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  13.          android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  14.          android:src=\"@drawable\/default_bg\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  15.          android:scaleType=\"centerCrop\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
  16.   <\/span><\/li>\n  \n  \n  \n  
  17.     <ImageView <\/span><\/li>\n  \n  \n  \n  
  18.          android:id=\"@+id\/news_list_item_img_two_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  19.          android:layout_width=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  20.          android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  21.          android:layout_weight=\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  22.          android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  23.          android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  24.          android:scaleType=\"centerCrop\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  25.          android:src=\"@drawable\/default_bg\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
  26.   <\/span><\/li>\n  \n  \n  \n  
  27.     <ImageView <\/span><\/li>\n  \n  \n  \n  
  28.          android:id=\"@+id\/news_list_item_img_three_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  29.          android:layout_width=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  30.          android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  31.          android:layout_weight=\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  32.          android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  33.          android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  34.          android:src=\"@drawable\/default_bg\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
  35.          android:scaleType=\"centerCrop\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
  36. <\/LinearLayout> <\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
     <\/p>\n
    \u7f51\u7edc\u52a0\u8f7d\u591a\u56fe\u8bf7\u6c42\u540e\uff0c\u5728BaseAdapter\u9002\u914d\u5668\u4e2d\u586b\u5145\u83b7\u53d6\u7684\u56fe\u7247 \u5185\u5bb9\u540e\uff0c\u51fa\u73b0\u591a\u5f20\u56fe\u7247\u5206\u914d\u4e0d\u5747\u5300\u7684\u60c5\u51b5\uff0c\u4f46\u90e8\u5206\u56fe\u7247\u5206\u914d\u662f\u5747\u5300\u7684\uff0c\u8fd9\u5c31\u8ba9TeachCourse\u611f\u89c9\u66f4\u5947\u602a\uff0c\u5e03\u5c40\u4e2d\u8bbe\u7f6e\u7684\u6743\u91cd\u90fd\u4e00\u6837\u7684\uff0c\u9002\u914d\u65f6\u4e3a\u4ec0\u4e48\u6709\u7684\u4e09\u5f20\u56fe\u5360\u7684\u7a7a\u95f4\u4e0d\u4e00\u6837\u3002<\/p>\n
    \n
     <\/p>\n
    \u901a\u5e38\uff0c\u9047\u5230\u4e00\u4e2a\u95ee\u9898\uff0c\u6401\u5728\u5fc3\u91ccTeachCourse\u89c9\u5f97\u633a\u96be\u53d7\uff0c\u6839\u636e\u7f16\u7a0b\u7684\u611f\u89c9\uff0c\u53ef\u4ee5\u80af\u5b9a\u67d0\u4e2a\u5730\u65b9\u7684\u4ee3\u7801\u662f\u6709\u95ee\u9898\u7684\uff0c\u5426\u5219\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u3002\u6628\u665a\uff0c***\u611f\u89c9\u5e94\u8be5\u662fBaseAdapter\u4f7f\u7528ViewHolder\u8bbe\u7f6e\u6807\u7b7e\u7684\u95ee\u9898\uff0c\u672c\u6765\u662f\u76f4\u63a5\u5199\uff1a<\/p>\n
    \n \n \n \n 
      \n  \n  \n  \n  
    1. mViewHolder.imageView.setImageBitmap(); <\/span><\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
      \u6539\u6210\u4e86<\/p>\n
      \n \n \n \n 
        \n  \n  \n  \n  
      1. ImageView imageView=mViewHolder.imageView; <\/span><\/span><\/li>\n  \n  \n  \n  
      2. imageView.setImageBitmap(); <\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
         <\/p>\n
        \u8ba4\u4e3a\u83b7\u53d6\u662f\u5bf9\u8c61\u8d4b\u503c\u7684\u95ee\u9898\u5bfc\u81f4\u7684\uff0c\u7b2c\u4e8c\u79cd\u53ef\u80fd\u7f51\u7edc\u52a0\u8f7d\u56fe\u7247\u6570\u636e\u7684\u95ee\u9898\uff0c\u6d4b\u8bd5\u540e\u53d1\u73b0\u8fd8\u662f\u4e00\u6837\uff0c\u540e\u6765\u67e5\u770b\u4e86\u4e00\u4e0b\u5e03\u5c40\u6587\u4ef6\uff0c\u5982\u4e0a\u8ff0\u5e03\u5c40\u4ee3\u7801<\/p>\n
        ***\u7684\u53ef\u80fd\uff0c\u51fa\u73b0\u5728\u4e86LinearLayout\u5e03\u5c40\u4e2dImageView\u6807\u7b7e\u8bbe\u7f6ewidth\u548cheight\u7684\u95ee\u9898\uff0c\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u6bcf\u4e2aImageView\u8bbe\u7f6e\u7684width\u548cheight\u90fd\u4e3awrap_content\uff0c\u540c\u65f6\u90fd\u8bbe\u7f6e\u6743\u91cd1\uff0c\u4f3c\u4e4e\u4e0d\u8d77\u4f5c\u7528\u3002\u4e8e\u662f\u5c1d\u8bd5\u5c06\u6743\u91cd\u53bb\u6389\uff0c\u53d1\u73b0\u4e09\u5f20\u56fe\u7684\uff0c***\u53ea\u663e\u793a\u4e24\u5f20\uff0c\u57fa\u672c\u7a7a\u95f4\u90fd\u662f\u5206\u914d\u4e0d\u5747\u5300\uff0c\u770b\u6765\u95ee\u9898\u5927\u6982\u660e\u786e\uff0c\u6743\u91cd\u8bbe\u7f6e\u4e0d\u5408\u7406\uff0c\u5c06width\u8bbe\u7f6e\u7684wrap_content\u6539\u4e3a0dp\uff0c\u4fee\u6539\u540e\u7684\u4ee3\u7801\uff1a<\/p>\n
        \n \n \n \n 
          \n  \n  \n  \n  
        1. <LinearLayout <\/span><\/span><\/li>\n  \n  \n  \n  
        2.      android:id=\"@+id\/external_news_horizontal_ll\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        3.      android:layout_width=\"match_parent\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        4.      android:layout_height=\"match_parent\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        5.      android:orientation=\"horizontal\"<\/span> > <\/span><\/span><\/li>\n  \n  \n  \n  
        6.   <\/span><\/li>\n  \n  \n  \n  
        7.      <ImageView <\/span><\/li>\n  \n  \n  \n  
        8.           android:id=\"@+id\/news_list_item_img_one_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        9.           android:layout_width=\"0dp\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        10.           android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        11.           android:layout_weight=\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        12.           android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        13.           android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        14.           android:src=\"@drawable\/default_bg\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        15.           android:scaleType=\"centerCrop\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
        16.   <\/span><\/li>\n  \n  \n  \n  
        17.      <ImageView <\/span><\/li>\n  \n  \n  \n  
        18.           android:id=\"@+id\/news_list_item_img_two_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        19.           android:layout_width=\"0dp\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        20.           android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        21.           android:layout_weight=\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        22.           android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        23.           android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        24.           android:scaleType=\"centerCrop\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        25.           android:src=\"@drawable\/default_bg\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
        26.   <\/span><\/li>\n  \n  \n  \n  
        27.     <ImageView <\/span><\/li>\n  \n  \n  \n  
        28.           android:id=\"@+id\/news_list_item_img_three_iv\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        29.           android:layout_width=\"0dp\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        30.           android:layout_height=\"wrap_content\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        31.           android:layout_weight=\"1\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        32.           android:contentDescription=\"@string\/display_news\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        33.           android:layout_marginRight=\"@dimen\/hot_news_img_list_left\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        34.           android:src=\"@drawable\/default_bg\"<\/span> <\/span><\/span><\/li>\n  \n  \n  \n  
        35.           android:scaleType=\"centerCrop\"<\/span>\/> <\/span><\/span><\/li>\n  \n  \n  \n  
        36. <\/LinearLayout> <\/span><\/li>\n \n \n \n <\/ol><\/pre>\n
           <\/p>\n
          PS\uff1a\u6c34\u5e73\u7684LinearLayout\u5e03\u5c40\uff0c\u8bbe\u7f6e\u6743\u91cd\uff0cwidth\u5e94\u8be5\u8bbe\u7f6e0dp;\u5782\u76f4\u7684LinearLayout\u5e03\u5c40\uff0c\u8bbe\u7f6e\u6743\u91cd\uff0cheight\u5e94\u8be5\u8bbe\u7f6e0dp\uff0c\u5426\u5219\u53ef\u80fd\u51fa\u73b0width\u6216height\u5206\u914d\u4e0d\u5747\u5300\u7684\u60c5\u51b5\uff0c\u6700\u7ec8\u539f\u56e0\u6743\u91cd\u8bbe\u7f6e\u4e0d\u751f\u6548\u3002<\/p>\n
           <\/p>\n
           <\/p>\n
           <\/p>\n
          \n
           <\/p>\n
          \u5e03\u5c40\u8c03\u6574\u524d\u540e\uff0c\u52a0\u8f7d\u7f51\u7edc\u56fe\u7247\u5c55\u793a\uff0c\u660e\u663e\u533a\u522b<\/p>\n
           <\/p>\n
           <\/p>\n
           <\/p>\n
          \n","protected":false},"excerpt":{"rendered":"
          \u6458\u8981 \u5e73\u65f6\u6ca1\u90a3\u4e48\u6ce8\u610fLinearLayout\u5e03\u5c40\u65f6\u6743\u91cd\u7684\u95ee\u9898\uff0c\u8bbe\u7f6e\u4e86\u6743\u91cd\u5c5e\u6027\u540e\uff0c\u901a\u5e38\u5efa\u8bae\u5c06width\u6216heig […]<\/p>\n","protected":false},"author":1,"featured_media":200212,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[195111],"tags":[],"class_list":["post-200211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-android"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/200211","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=200211"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/200211\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/200212"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=200211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=200211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=200211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}