android 后台Activity移到前台

Intent intent = new Intent(GocActivity.this.getApplicationContext(),GocActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_REORDER_TO_FRONT
);
getApplication().startActivity(intent);//getApplication()不可以去掉否则没用

moveTaskToBack(true); Activity移到后台

  //进入桌面
            Intent intent = new Intent(Intent.ACTION_MAIN);
            intent.addCategory(Intent.CATEGORY_HOME);
            startActivity(intent);