關於android主執行緒不能訪問網路異常NetworkOnMainThreadException
阿新 • • 發佈:2019-01-08
獲取網路圖片:
//圖片處理 ImageGetter imgGetter2 = new Html.ImageGetter() { public Drawable getDrawable(String source) { Drawable drawable = null; URL url; try { url = new URL(basePath + source.trim()); drawable = Drawable.createFromStream(url.openStream(), ""); } catch (Exception e) { return null; } drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); return drawable; } };
然後在handler中給TextView賦值:
String content = data.getString("content");
//html標籤處理 圖片處理
txtContent.setText(Html.fromHtml(content, imgGetter2, null));
break;
圖片一直獲取不到:而且網路許可權也放開了:
<uses-permission android:name="android.permission.INTERNET" />
然來還需要加上這個:
①類的上面加個@suppressLint
@SuppressLint("NewApi") public class InfoActivity extends Activity {
②在onCreate方法中加上StrictMode
@Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.info_activity); StrictMode.ThreadPolicy policy=new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy);