SharedPreferences flag = getSharedPreferences("flag", MODE_PRIVATE);
SharedPreferences.Editor edit = flag.edit();
edit.putBoolean("tag", true);
edit.commit();
SharedPreferences flag = getSharedPreferences("flag", MODE_PRIVATE);
boolean tag = flag.getBoolean("tag", false);
if (tag) {
startActivity(new Intent(this, Main2Activity.class));
}
SharedPreferences.Editor edit = flag.edit();
edit.putBoolean("tag", true);
edit.commit();
SharedPreferences flag = getSharedPreferences("flag", MODE_PRIVATE);
boolean tag = flag.getBoolean("tag", false);
if (tag) {
startActivity(new Intent(this, Main2Activity.class));
}