Seung won Lee (Ellen) SeungwonLee
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| import android.app.Activity | |
| import android.content.Context | |
| import android.content.Intent | |
| import android.media.RingtoneManager | |
| import android.net.Uri | |
| import android.os.Bundle | |
| import android.util.Log | |
| import androidx.activity.result.contract.ActivityResultContract | |
| import androidx.appcompat.app.AppCompatActivity | |
| import androidx.lifecycle.lifecycleScope |