Não é possível exibir string HTML

111

Estou lutando para exibir a string HTML no Android WebView.

No lado do servidor, baixei uma página da web e escapei caracteres HTML e aspas (usei Python):

my_string = html.escape(my_string, True)

No lado do cliente Android: as strings não têm escape por:

myString = StringEscapeUtils.unescapeHtml4(myString)
webview.loadData( myString, "text/html", "encoding");

No entanto, o webview apenas os exibe como strings literais. Aqui está o resultado:

insira a descrição da imagem aqui

Editar: Eu adiciono a string original retornada do lado do servidor:

link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 114x114 & quot; href = & quot; /static/favicon/apple-touch-icon-114x114.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 72x72 & quot; href = & quot; /static/favicon/apple-touch-icon-72x72.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 144x144 & quot; href = & quot; /static/favicon/apple-touch-icon-144x144.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 60x60 & quot; href = & quot; /static/favicon/apple-touch-icon-60x60.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 120x120 & quot; href = & quot; /static/favicon/apple-touch-icon-120x120.png" & gt; & lt; link rel = & quot; ícone de toque da maçã & quot; tamanhos = & quot; 76x76 & quot; href = & quot; /static/favicon/apple-touch-icon-76x76.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 152x152 & quot; href = & quot; /static/favicon/apple-touch-icon-152x152.png" & gt; & lt; link rel = & quot; apple-touch-icon & quot; tamanhos = & quot; 180x180 & quot; href = & quot; /static/favicon/apple-touch-icon-180x180.png" & gt; & lt; link rel = & quot; ícone & quot; type = & quot; imagem / png & quot; href = & quot; /static/favicon/favicon-192x192.png" tamanhos = & quot; 192x192 & quot; & gt; & lt; link rel = & quot; ícone & quot; type = & quot; imagem / png & quot; href = & quot; /static/favicon/favicon-160x160.png" tamanhos = & quot; 160x160 & quot; & gt; & lt; link rel = & quot; ícone & quot; type = & quot; imagem / png & quot; href = & quot; /static/favicon/favicon-96x96.png" tamanhos = & quot; 96x96 & quot; & gt; & lt; link rel = & quot; ícone & quot; type = & quot; imagem / png & quot; href = & quot; /static/favicon/favicon-16x16.png" tamanhos = & quot; 16x16 & quot; & gt; & lt; link rel = & quot; ícone & quot; type = & quot; imagem / png & quot; href = & quot; /static/favicon/favicon-32x32.png" tamanhos = & quot; 32x32 & quot; & gt; & lt; meta name = & quot; msapplication-TileColor & quot; content = & quot; # da532c & quot; & gt; & lt; meta name = & quot; msapplication-TileImage & quot; content = & quot; /static/favicon/mstile-144x144.png" & gt; & lt; meta name = & quot; msapplication-config & quot; content = & quot; /static/favicon/browserconfig.xml" & gt; & lt;! - CSS externo - & gt; & lt; link rel = & quot; folha de estilo & quot; href = & quot;https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css& quot; & gt; & lt;! - Fontes externas - & gt; & lt; link href = & quot; // maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel = & quot; folha de estilo & quot; & gt; & lt; link href = & # x27; // fonts.googleapis.com/css?family=Open+Sans:300,600' rel = & # x27; folha de estilo & # x27; type = & # x27; text / css & # x27; & gt; & lt; link href = & # x27; // fonts.googleapis.com/css?family=Lora:400,700' rel = & # x27; folha de estilo & # x27; type = & # x27; text / css & # x27; & gt; & lt;! - [if lt IE 9] & gt; & lt; script src = & quot; // cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js"></script> & lt; script src = & quot; // cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js"></script> & lt ;! [endif] - & gt; & lt;! - CSS do site - & gt; & lt; link rel = & quot; folha de estilo & quot; type = & quot; text / css & quot; href = & quot; /static/css/style.css" & gt; & lt; link rel = & quot; folha de estilo & quot; type = & quot; text / css & quot; href = & quot; /static/css/glyphicon.css" & gt; & lt; / head & gt; & lt; body & gt; & lt; div class = & quot; container da página do artigo & quot; & gt; & lt; div class = & quot; row & quot; & gt; & lt; div class = & quot; col-md-8 col-md-offset-2 & quot; & gt; & lt; h2 & gt; & lt; a href = & quot; quot; href = & quot; /static/css/glyphicon.css" & gt; & lt; / head & gt; & lt; body & gt; & lt; div class = & quot; container da página do artigo & quot; & gt; & lt; div class = & quot; row & quot; & gt; & lt; div class = & quot; col-md-8 col-md-offset-2 & quot; & gt; & lt; h2 & gt; & lt; a href = & quot; quot; href = & quot; /static/css/glyphicon.css" & gt; & lt; / head & gt; & lt; body & gt; & lt; div class = & quot; container da página do artigo & quot; & gt; & lt; div class = & quot; row & quot; & gt; & lt; div class = & quot; col-md-8 col-md-offset-2 & quot; & gt; & lt; h2 & gt; & lt; a href = & quot;http://www.huffingtonpost.com/2015/03/22/ted-cruz-climate-change_n_6919002.html & quot; & gt; Gov. Jerry Brown afirma que Ted Cruz é & amp; # 39; Absolutamente inadequado & amp; # 39; Para candidatar-se a um cargo público devido às opiniões sobre as alterações climáticas & lt; / a & gt; & lt; / h2 & gt; & lt; h4 & gt; Sam Levine & lt; / h4 & gt; & lt; div class = & quot; artigo & quot; & gt; & lt; p & gt; O governador da Califórnia, Jerry Brown (D), disse no domingo que o senador do Texas Ted Cruz (R-Texas) é & quot; absolutamente inadequado para concorrer a um cargo público & quot; por causa de sua posição sobre as mudanças climáticas. & lt; / p & gt; & lt; p & gt; & quot; Acabei de voltar de New Hampshire, onde há neve e gelo por toda parte. Minha visão sobre isso é simples: os debates sobre isso devem seguir a ciência e os dados, e muitos dos alarmistas sobre o aquecimento global, eles têm um problema porque a ciência não os sustenta, & quot; Cruz & lt; a href = & quot;https://www.youtube.com/watch?v=m0UJ_Sc0Udk & quot; & gt; disse & lt; / a & gt; em & quot; Late Night with Seth Meyers & quot; semana passada. & lt; / p & gt; & lt; p & gt; Para apoiar sua afirmação, Cruz citou dados de satélite que mostraram uma falta de aquecimento significativo nos últimos 17 anos. Mas o raciocínio de Cruz & lt; a href = & quot; http://www.politifact.com/truth-o-meter/statements/2015/mar/20 / ted-cruz / ted-cruzs-worlds-fire-not-last-17-years / & quot; & gt; foi desmascarado pelo Politifact & lt; / a & gt ;, que mostrou que os cientistas têm ampla evidência para acreditar que o clima continuará a aquecer. & lt; / p & gt; & lt; p & gt; & quot; O que ele disse é absolutamente falso ”, disse Brown em & lt; a href = & quot; http: //www.nbcnews. unfit-be-running-n328046 & quot; & gt; NBC & # x27; s & quot; Meet the Press & quot; & lt; / a & gt; Ele acrescentou que & lt; a href = & quot; http://climate.nasa.gov/scientific-consensus/ & quot; & gt; mais de 90 por cento & lt; / a & gt; dos cientistas que estudam o clima concordam que a mudança climática é causada pela atividade humana. “Aquele homem pressagia tal nível de ignorância e uma falsificação direta dos dados científicos existentes. É chocante, e acho que o homem se tornou absolutamente incapaz de concorrer a um cargo público, & quot; Brown disse: & lt; / p & gt; & lt; p & gt; Brown acrescentou que as alterações climáticas têm & lt; a href = & quot; http://www.huffingtonpost.com/2015/03/06/california-drought-february- record_n_6820704.html? utm_hp_ref = california-dry & quot; & gt; causou secas em seu estado & lt; / a & gt ;, bem como forte frio e tempestades na costa leste. & lt; / p & gt; & lt; p & gt; Embora Cruz possa ter visto neve e gelo em todos os lugares de New Hampshire, os dados mostram que o país está realmente passando por uma & lt; a href = & quot; http://www.huffingtonpost.com/2015/02/19/cold-weather- winter_n_6713104.html & quot; & gt; mais quente do que a média & lt; / a & gt; inverno. & lt; / p & gt; & lt; p & gt; A crítica de Brown a Cruz vem um dia antes de o senador do Texas anunciar uma & lt; a href = & quot; http://www.huffingtonpost.com/2015/03/22 /ted-cruz-2016_n_6917824.html"> campanha presidencial & lt; / a & gt ;. & lt; / p & gt; & lt; / div & gt; & lt; div class = & quot; original & quot; & gt; & lt; a href = & quot;http://www.huffingtonpost.com/2015/03/22/ted-cruz-climate-change_n_6919002.html& quot; & gt; VER ORIGINAL & lt; / a & gt; & lt; / div & gt; & lt; / div & gt; & lt; / div & gt; & lt; / div & gt; & lt; script src = & quot; // code.jquery.com/jquery-latest.js"></script> & lt; script src = & quot; /static/js/modal.js" & gt; & lt; / script & gt; & lt; script src = & quot; /static/js/bootbox.min.js" & gt; & lt; / script & gt; & lt; script src = & quot; /static/js/site.js" & gt; & lt; / script & gt; & lt; script & gt; (função (i, s, o, g, r, a, m) {i [& # x27; GoogleAnalyticsObject & # x27;] = r; i [r] = i [r] || function () {(i [ r] .q = i [r] .q || []). push (argumentos)}, i [r] .l = 1 * new Date (); a = s.createElement (o), m = s. getElementsByTagName (o) [0]; a.async = 1; a.src = g; m.parentNode.insertBefore (a, m)}) (janela, documento, & # x27; script & # x27;, & # x27; // www. google-analytics.com/analytics.js','ga'); ga (& # x27; criar & # x27 ;, & # x27; UA-56257533-1 & # x27 ;, & # x27; auto & # x27;); ga (& # x27; enviar & # x27 ;, & # x27; pageview & # x27;); & lt; / script & gt; & lt; / body & gt; & lt; / html & gt; "

Hoa Vu
fonte
Perguntas que buscam ajuda na depuração ("por que este código não está funcionando?") Devem incluir o comportamento desejado, um problema ou erro específico e o código mais curto necessário para reproduzi-lo na própria pergunta. Consulte: " Como criar um exemplo mínimo reproduzível ".
The Tin Man

Respostas:

62

Eu modifiquei o código aqui:

public class test extends Activity {
    private WebView wv;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.test);
        wv = (WebView) findViewById(R.id.wv);
        String s = "&lt;!DOCTYPE html&gt; &lt;html lang=&quot;en&quot;&gt; &lt;head&gt; &lt;meta charset=&quot;utf-8&quot;&gt; &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot;&gt; &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt; &lt;meta name=&quot;description&quot; content=&quot;&quot;&gt; &lt;title&gt;Saulify&lt;/title&gt; &lt;!-- All the Favicons... --&gt; &lt;link rel=&quot;shortcut icon&quot; href=&quot;/static/favicon/favicon.ico&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;57x57&quot; href=&quot;/static/favicon/apple-touch-icon-57x57.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;114x114&quot; href=&quot;/static/favicon/apple-touch-icon-114x114.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;72x72&quot; href=&quot;/static/favicon/apple-touch-icon-72x72.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;144x144&quot; href=&quot;/static/favicon/apple-touch-icon-144x144.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;60x60&quot; href=&quot;/static/favicon/apple-touch-icon-60x60.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;120x120&quot; href=&quot;/static/favicon/apple-touch-icon-120x120.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;76x76&quot; href=&quot;/static/favicon/apple-touch-icon-76x76.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;152x152&quot; href=&quot;/static/favicon/apple-touch-icon-152x152.png&quot;&gt; &lt;link rel=&quot;apple-touch-icon&quot; sizes=&quot;180x180&quot; href=&quot;/static/favicon/apple-touch-icon-180x180.png&quot;&gt; &lt;link rel=&quot;icon&quot; type=&quot;image/png&quot; href=&quot;/static/favicon/favicon-192x192.png&quot; sizes=&quot;192x192&quot;&gt; &lt;link rel=&quot;icon&quot; type=&quot;image/png&quot; href=&quot;/static/favicon/favicon-160x160.png&quot; sizes=&quot;160x160&quot;&gt; &lt;link rel=&quot;icon&quot; type=&quot;image/png&quot; href=&quot;/static/favicon/favicon-96x96.png&quot; sizes=&quot;96x96&quot;&gt; &lt;link rel=&quot;icon&quot; type=&quot;image/png&quot; href=&quot;/static/favicon/favicon-16x16.png&quot; sizes=&quot;16x16&quot;&gt; &lt;link rel=&quot;icon&quot; type=&quot;image/png&quot; href=&quot;/static/favicon/favicon-32x32.png&quot; sizes=&quot;32x32&quot;&gt; &lt;meta name=&quot;msapplication-TileColor&quot; content=&quot;#da532c&quot;&gt; &lt;meta name=&quot;msapplication-TileImage&quot; content=&quot;/static/favicon/mstile-144x144.png&quot;&gt; &lt;meta name=&quot;msapplication-config&quot; content=&quot;/static/favicon/browserconfig.xml&quot;&gt; &lt;!-- External CSS --&gt; &lt;link rel=&quot;stylesheet&quot; href=&quot;https://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css&quot;&gt; &lt;!-- External Fonts --&gt; &lt;link href=&quot;//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css&quot; rel=&quot;stylesheet&quot;&gt; &lt;link href=&#x27;//fonts.googleapis.com/css?family=Open+Sans:300,600&#x27; rel=&#x27;stylesheet&#x27; type=&#x27;text/css&#x27;&gt; &lt;link href=&#x27;//fonts.googleapis.com/css?family=Lora:400,700&#x27; rel=&#x27;stylesheet&#x27; type=&#x27;text/css&#x27;&gt; &lt;!--[if lt IE 9]&gt; &lt;script src=&quot;//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.2/html5shiv.min.js&quot;&gt;&lt;/script&gt; &lt;script src=&quot;//cdnjs.cloudflare.com/ajax/libs/respond.js/1.4.2/respond.min.js&quot;&gt;&lt;/script&gt; &lt;![endif]--&gt; &lt;!-- Site CSS --&gt; &lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;/static/css/style.css&quot;&gt; &lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;/static/css/glyphicon.css&quot;&gt; &lt;/head&gt; &lt;body&gt; &lt;div class=&quot;container article-page&quot;&gt; &lt;div class=&quot;row&quot;&gt; &lt;div class=&quot;col-md-8 col-md-offset-2&quot;&gt; &lt;h2&gt;&lt;a href=&quot;http://www.huffingtonpost.com/2015/03/22/ted-cruz-climate-change_n_6919002.html&quot;&gt;Gov. Jerry Brown Says Ted Cruz Is &amp;#39;Absolutely Unfit&amp;#39; To Run For Office Because Of Climate Change Views&lt;/a&gt;&lt;/h2&gt; &lt;h4&gt;Sam Levine&lt;/h4&gt; &lt;div class=&quot;article&quot;&gt; &lt;p&gt;California Gov. Jerry Brown (D) said on Sunday that Texas Sen. Ted Cruz (R-Texas) is &quot;absolutely unfit to be running for office&quot; because of his position on climate change.&lt;/p&gt; &lt;p&gt;&quot;I just came back from New Hampshire, where there&#x27;s snow and ice everywhere. My view on this is simple: Debates on this should follow science and should follow data, and many of the alarmists on global warming, they have a problem because the science doesn&#x27;t back them up,&quot; Cruz &lt;a href=&quot;https://www.youtube.com/watch?v=m0UJ_Sc0Udk&quot;&gt;said&lt;/a&gt; on &quot;Late Night with Seth Meyers&quot; last week.&lt;/p&gt; &lt;p&gt;To back up his claim, Cruz cited satellite data that has shown a lack of significant warming over the last 17 years. But Cruz&#x27;s reasoning &lt;a href=&quot;http://www.politifact.com/truth-o-meter/statements/2015/mar/20 /ted-cruz/ted-cruzs-worlds-fire-not-last-17-years/&quot;&gt;has been debunked by Politifact&lt;/a&gt;, which has shown that scientists have ample evidence to believe that the climate will continue to warm.&lt;/p&gt; &lt;p&gt;&quot;What he said is absolutely false,” Brown said on &lt;a href=&quot;http://www.nbcnews.com/meet-the-press/california-governor-ted-cruz- unfit-be-running-n328046&quot;&gt;NBC&#x27;s &quot;Meet the Press.&quot;&lt;/a&gt; He added that &lt;a href=&quot;http://climate.nasa.gov/scientific-consensus/&quot;&gt;over 90 percent&lt;/a&gt; of scientists who study the climate agree that climate change is caused by human activity. &quot;That man betokens such a level of ignorance and a direct falsification of existing scientific data. It&#x27;s shocking, and I think that man has rendered himself absolutely unfit to be running for office,&quot; Brown said.&lt;/p&gt; &lt;p&gt;Brown added that climate change has &lt;a href=&quot;http://www.huffingtonpost.com/2015/03/06/california-drought-february- record_n_6820704.html?utm_hp_ref=california-drought&quot;&gt;caused droughts in his state&lt;/a&gt;, as well as severe cold and storms on the east coast.&lt;/p&gt; &lt;p&gt;While Cruz may have seen snow and ice everywhere in New Hampshire, data shows that the country is actually experiencing a &lt;a href=&quot;http://www.huffingtonpost.com/2015/02/19/cold-weather- winter_n_6713104.html&quot;&gt;warmer than average&lt;/a&gt; winter.&lt;/p&gt; &lt;p&gt;Brown’s criticism of Cruz comes one day before the Texas senator is set to announce a &lt;a href=&quot;http://www.huffingtonpost.com/2015/03/22 /ted-cruz-2016_n_6917824.html&quot;&gt;presidential campaign&lt;/a&gt;. &lt;/p&gt; &lt;/div&gt; &lt;div class=&quot;original&quot;&gt; &lt;a href=&quot;http://www.huffingtonpost.com/2015/03/22/ted-cruz-climate-change_n_6919002.html&quot;&gt;VIEW ORIGINAL&lt;/a&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;script src=&quot;//code.jquery.com/jquery-latest.js&quot;&gt;&lt;/script&gt; &lt;script src=&quot;/static/js/modal.js&quot;&gt;&lt;/script&gt; &lt;script src=&quot;/static/js/bootbox.min.js&quot;&gt;&lt;/script&gt; &lt;script src=&quot;/static/js/site.js&quot;&gt;&lt;/script&gt; &lt;script&gt; (function(i,s,o,g,r,a,m){i[&#x27;GoogleAnalyticsObject&#x27;]=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,&#x27;script&#x27;,&#x27;//www.google-analytics.com/analytics.js&#x27;,&#x27;ga&#x27;); ga(&#x27;create&#x27;, &#x27;UA-56257533-1&#x27;, &#x27;auto&#x27;); ga(&#x27;send&#x27;, &#x27;pageview&#x27;); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt;";


        wv.loadData(stripHtml(s), "text/html", "UTF-8");

    }

    public String stripHtml(String html) {
        return Html.fromHtml(html).toString();
    }

}

insira a descrição da imagem aqui

MrDumb
fonte
12

Experimente este código,

if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N){
   yourtextview.setText(Html.fromHtml(yourstring,Html.FROM_HTML_MODE_LEGACY));
}
else {
   yourtextview.setText(Html.fromHtml(yourstring));
}
Feri Agusetiawan
fonte
9

Experimente isto:

wv = (WebView) findViewById(R.id.wv);
String s = "You HTML string";
wv.loadData(stripHtml(s), "text/html", "UTF-8");

public String stripHtml(String html) {
    return Html.fromHtml(html).toString();
}
The Codesee
fonte