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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