Android获取高清app图标代码分享

android获取高清app图标只有一个方法，具体内容如下

public synchronized static drawable geticonfrompackagename(string packagename, context context) {
  packagemanager pm = context.getpackagemanager();
  if (build.version.sdk_int >= build.version_codes.ice_cream_sandwich_mr1) {
   try {
    packageinfo pi = pm.getpackageinfo(packagename, 0);
    context otherappctx = context.createpackagecontext(packagename, context.context_ignore_security);
    int displaymetrics[] = {displaymetrics.density_xxxhigh,displaymetrics.density_xxhigh,displaymetrics.density_xhigh, displaymetrics.density_high, displaymetrics.density_tv};
    for (int displaymetric : displaymetrics) {
     try {
      drawable d = otherappctx.getresources().getdrawablefordensity(pi.applicationinfo.icon, displaymetric);
      if (d != null) {
       return d;
      }
     } catch (resources.notfoundexception e) {
      continue;
     }
    }
   } catch (exception e) {
    // handle error here
   }
  }
  applicationinfo appinfo = null;
  try {
   appinfo = pm.getapplicationinfo(packagename, 0);
  } catch (packagemanager.namenotfoundexception e) {
   return null;
  }
  return appinfo.loadicon(pm);
 }

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