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Android--获取高清的app图标

只有一个方法。

 1 public synchronized static Drawable getIconFromPackageName(String packageName, Context context) { 2         PackageManager pm = context.getPackageManager(); 3         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) { 4             try { 5                 PackageInfo pi = pm.getPackageInfo(packageName, 0); 6                 Context otherAppCtx = context.createPackageContext(packageName, Context.CONTEXT_IGNORE_SECURITY); 7                 int displayMetrics[] = {DisplayMetrics.DENSITY_XXXHIGH,DisplayMetrics.DENSITY_XXHIGH,DisplayMetrics.DENSITY_XHIGH, DisplayMetrics.DENSITY_HIGH, DisplayMetrics.DENSITY_TV}; 8                 for (int displayMetric : displayMetrics) { 9                     try {10                         Drawable d = otherAppCtx.getResources().getDrawableForDensity(pi.applicationInfo.icon, displayMetric);11                         if (d != null) {12                             return d;13                         }14                     } catch (Resources.NotFoundException e) {15                         continue;16                     }17                 }18             } catch (Exception e) {19                 // Handle Error here20             }21         }22         ApplicationInfo appInfo = null;23         try {24             appInfo = pm.getApplicationInfo(packageName, 0);25         } catch (PackageManager.NameNotFoundException e) {26             return null;27         }28         return appInfo.loadIcon(pm);29     }

 

Android--获取高清的app图标