open_local_app

/**
       * 根据包名  打开本地应用程序
       *
       * @param String packageName
       * @return void
       * @throws
       * @since TianTian
       */
      public void openApp(String packageName)
      {
          try
          {
              PackageManager manager = getPackageManager();
              PackageInfo pi = manager.getPackageInfo(packageName, 0);

              Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
              resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
              resolveIntent.setPackage(pi.packageName);
             
              List<ResolveInfo> apps = manager.queryIntentActivities(resolveIntent, 0);

              if (CommonUtil.isNotEmpty(apps))
              {
                  ResolveInfo info = apps.iterator().next();
                  if (null != info)
                  {
                      packageName = info.activityInfo.packageName;
                      String className = info.activityInfo.name;
             
                      Intent intent = new Intent(Intent.ACTION_MAIN);
                      intent.addCategory(Intent.CATEGORY_LAUNCHER);
             
                      ComponentName component = new ComponentName(packageName, className);
             
                      intent.setComponent(component);
                      startActivity(intent);
                  }
              }
          }catch (NameNotFoundException e){
              e.printStackTrace();
          }
      }



2： PackageManager packageManager = Start_RemoveSoftActivity.this.getPackageManager();
Intent intent=new Intent();
    try {
    intent =packageManager.getLaunchIntentForPackage("要调用应用的包名");
} catch (NameNotFoundException e) {
Log.i(TAG, e.toString());
}
startActivity(intent);