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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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