android开发教程之获取使用当前api的应用程序名称

Application application = ActivityThread.currentApplication();
if (application != null) {
    String packageName = application.getPackageName();
    try {
         ApplicationInfo packageInfo= application.getPackageManager().getApplicationInfo(packageName,PackageManager.GET_META_DATA);
         String appName = application.getPackageManager().getApplicationLabel(packageInfo).toString();
} catch (Exception e) {
  e.printStackTrack();
}