{"id":155879,"date":"2012-10-24T01:59:03","date_gmt":"2012-10-23T21:59:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=155879"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=155879","title":{"rendered":"\u0410\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0430\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u043e\u0432 \u0432 TextView<\/span>"},"content":{"rendered":"
\t\u041d\u0438 \u0434\u043b\u044f \u043a\u043e\u0433\u043e \u043d\u0435 \u0441\u0435\u043a\u0440\u0435\u0442, \u0447\u0442\u043e TextView \u0432 Android \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 HTML-\u0442\u0435\u0433\u0438. \u0421\u0440\u0435\u0434\u0438 \u043d\u0438\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0438 \u0442\u0435\u0433 , \u0430 \u0434\u043b\u044f \u0435\u0433\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u043b\u0430\u0441\u0441 ImageGetter. \u0418 \u0435\u0441\u043b\u0438 \u0441 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435\u043c \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u043d\u0435 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442, \u0442\u043e \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e \u043f\u043e\u0434\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u044b\u0439 \u0440\u0438\u0441\u0443\u043d\u043e\u043a \u0432 TextView \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c NetworkOnMainThreadException \u043d\u0430 Android \u0432\u0435\u0440\u0441\u0438\u0438 3.0 \u0438 \u0432\u044b\u0448\u0435. \u041a\u0430\u043a \u0432\u044b\u044f\u0441\u043d\u0438\u043b\u043e\u0441\u044c, \u0432 \u043f\u043e\u0438\u0441\u043a\u043e\u0432\u0438\u043a\u0430\u0445 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043c\u0430\u043b\u043e, \u0434\u0430 \u0438 \u0434\u0430\u043b\u0435\u043a\u043e \u043d\u0435 \u0432\u0441\u0435 \u0438\u0437 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u044b\u0445 \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0440\u0430\u0431\u043e\u0442\u043e\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b. \u0422\u0435\u043c \u043d\u0435 \u043c\u0435\u043d\u0435\u0435, \u0440\u0430\u0431\u043e\u0447\u0435\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442.<\/a>
\u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0435 Spanned \u0432 TextView \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0440\u0438\u0441\u0443\u043d\u043a\u0430. \u0417\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0435 \u0440\u0438\u0441\u0443\u043d\u043a\u0438 \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u043f\u043e\u0434\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0438\u0445 \u0432\u0441\u044f\u043a\u0438\u0439 \u0440\u0430\u0437 \u043f\u0440\u0438 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0438 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u043e\u043b\u044f (\u0432\u0430\u0448\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u043e\u0436\u0435\u0442 \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f). \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043c\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0434\u0432\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430\u0448\u0435\u0433\u043e ImageGetter:<\/p>\n
static final Map<String, WeakReference<Drawable>> mDrawableCache = Collections.synchronizedMap(new WeakHashMap<String, WeakReference<Drawable>>());  @Override public void onCreate(Bundle savedInstanceState) {                \/\/...                \/\/\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u043f\u0435\u0440\u0432\u044b\u0439 ImageGetter \tHtml.ImageGetter igLoader = new Html.ImageGetter() { \t\tpublic Drawable getDrawable(String source) {                                         \/\/\u0415\u0441\u043b\u0438 \u0440\u0438\u0441\u0443\u043d\u043e\u043a \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043a\u0435\u0448\u0435, \u0442\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0435\u0433\u043e \u0438 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u0435 \u0434\u0435\u043b\u0430\u0435\u043c \u0434\u0430\u043b\u044c\u0448\u0435 \t\t\tif (mDrawableCache.containsKey(source)) \t\t\t\treturn mDrawableCache.get(source).get();                                         \/\/\u0412 \u043f\u0440\u043e\u0442\u0438\u0432\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435, \u0441\u043a\u0430\u0447\u0438\u0432\u0430\u0435\u043c \u0435\u0433\u043e \u0438\u0437 \u0441\u0435\u0442\u0438 \t\t\tnew ImageDownloadAsyncTask(source, message, messageView).execute();                                         \/\/\u041f\u043e\u043a\u0430 \u043e\u043d \u0441\u043a\u0430\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u043f\u0443\u0441\u0442\u043e\u0439 \u0440\u0438\u0441\u0443\u043d\u043e\u043a \t\t\treturn new BitmapDrawable(getResources()); \t\t} \t};               \/\/\u0418 \u0441\u0440\u0430\u0437\u0443 \u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0435\u0433\u043e \tmessageView.setText(Html.fromHtml(message, igLoader, null)); }  \/\/\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u0432\u0442\u043e\u0440\u043e\u0439 ImageGetter. \/\/\u0412 \u043d\u0435\u043c \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u0435\u0442 \u043f\u043e\u0442\u0440\u0435\u0431\u043d\u043e\u0441\u0442\u044c, \u043a\u043e\u0433\u0434\u0430 \u0444\u0430\u0439\u043b \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u0441\u044f Html.ImageGetter igCached = new Html.ImageGetter() { \t\tpublic Drawable getDrawable(String source) {                                         \/\/\u041f\u0440\u043e\u0441\u0442\u043e \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c \u043d\u0430\u0448 \u0440\u0438\u0441\u0443\u043d\u043e\u043a \u0438\u0437 \u043a\u0435\u0448\u0430 \t\t\tif (mDrawableCache.containsKey(source)) \t\t\t\treturn mDrawableCache.get(source).get(); \t\t\treturn null; \t\t} \t}; <\/code><\/pre>\n
  \u0422\u0435\u043f\u0435\u0440\u044c, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u043d\u0430\u0448 \u043a\u043b\u0430\u0441\u0441 \u043e\u0442 AsyncTask, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u043d\u0438\u043c\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0441\u043a\u0430\u0447\u0438\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0438:<\/p>\n
class ImageDownloadAsyncTask extends AsyncTask<Void, Void, Void> { \tprivate String source; \tprivate String message; \tprivate TextView textView;  \tpublic ImageDownloadAsyncTask(String source, String message, \t\t\tTextView textView) { \t\tthis.source = source; \t\tthis.message = message; \t\tthis.textView = textView; \t}  \t@Override \tprotected Void doInBackground(Void... params) { \t\tif (!mDrawableCache.containsKey(source)) { \t\t\ttry {                                                      \/\/\u0421\u043a\u0430\u0447\u0438\u0432\u0430\u0435\u043c \u043a\u0430\u0440\u0442\u0438\u043d\u043a\u0443 \u0432 \u043d\u0430\u0448 \u043a\u044d\u0448 \t\t\t\tURL url = new URL(source); \t\t\t\tURLConnection connection = url.openConnection(); \t\t\t\tInputStream is = connection.getInputStream();  \t\t\t\tDrawable drawable = Drawable.createFromStream(is, "src");  \t\t\t\t\/\/ \u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e, \u0447\u0442\u043e\u0431\u044b \u0440\u0438\u0441\u0443\u043d\u043a\u0438 \u043d\u0435 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u043e\u0432\u0430\u043b\u0438\u0441\u044c, \t\t\t\t\/\/ \u0437\u0430\u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0438\u0440\u0443\u0439\u0442\u0435 \u0441\u0442\u0440\u043e\u0447\u043a\u0443 \u0432\u044b\u0448\u0435 \u0438 \u0440\u0430\u0441\u0441\u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0438\u0440\u0443\u0439\u0442\u0435 \u043a\u043e\u0434 \t\t\t\t\/\/ \u043d\u0438\u0436\u0435.  \t\t\t\t\/* \t\t\t\tBitmap bmp = BitmapFactory.decodeStream(is); \t\t\t\tDisplayMetrics dm = \t\t\t\tMainActivity.this.getResources().getDisplayMetrics(); \t\t\t\tbmp.setDensity(dm.densityDpi); Drawable drawable=new \t\t\t\tBitmapDrawable(MainActivity.this.getResources(),bmp); \t\t\t\t*\/  \t\t\t\tis.close();  \t\t\t\tdrawable.setBounds(0, 0, drawable.getIntrinsicWidth(), \t\t\t\t\t\tdrawable.getIntrinsicHeight()); \t\t\t\tmDrawableCache.put(source, new WeakReference<Drawable>( \t\t\t\t\t\tdrawable)); \t\t\t} catch (MalformedURLException e) { \t\t\t\te.printStackTrace(); \t\t\t} catch (Throwable t) { \t\t\t\tt.printStackTrace(); \t\t\t} \t\t} \t\treturn null; \t}  \t@Override \tprotected void onPostExecute(Void result) {                            \/\/ \u041f\u0435\u0440\u0435\u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u043e\u043b\u044f \t\ttextView.setText(Html.fromHtml(message, igCached, null)); \t} } <\/code><\/pre>\n
  \u041a\u043e\u043d\u0435\u0447\u043d\u043e, \u043d\u0443\u0436\u043d\u043e \u043d\u0435 \u0437\u0430\u0431\u044b\u0442\u044c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0432 \u043c\u0430\u043d\u0438\u0444\u0435\u0441\u0442\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 android.permission.INTERNET<\/code>.<\/p>\n
  \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a<\/a> \/ \u041f\u0440\u043e\u0435\u043a\u0442 \u0446\u0435\u043b\u0438\u043a\u043e\u043c<\/a>    \t   \t<\/p>\n
<\/div>\n<\/p><\/div>\n
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