Page 377 - MDP2022-2

actionBar.hide();
Button Start_btn = findViewById(R.id.Start_btn);
Button storage_btn = findViewById(R.id.storage_btn);
Button logOut = findViewById(R.id.logOut);
Start_btn.bringToFront();
storage_btn.bringToFront();
logOut.bringToFront();
intent = getPackageManager().getLaunchIntentForPackage(packageNames);
Start_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
try {
Toast.makeText(ComActivity.this, "기기와 통신을 시작합니다.", Toast.LENGTH_SHORT).show();
Intent intent = getPackageManager().getLaunchIntentForPackage("com.example.mybluetooth");
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
finish();
}catch (Exception e){
Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
if(Build.VERSION.SDK_INT >= 26) {
vibrator.vibrate(VibrationEffect.createOneShot(1500, 10));
} else {
vibrator.vibrate(1500);
}
}
}
});

storage_btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(ComActivity.this, storageActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
finish();
}
});
logOut.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
auto = getSharedPreferences("autoLogin", Activity.MODE_PRIVATE);
editor = auto.edit();
editor.clear();
editor.commit();
Toast.makeText(getApplicationContext(),"로그아웃",Toast.LENGTH_SHORT).show();
Intent tent = new Intent(ComActivity.this, LoginActivity.class);
tent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(tent);
finish();
}
});
}
int BackConfirm = 0;
@Override
public void onBackPressed() {
if(BackConfirm >= 1) {
Toast.makeText(this, "로그인 화면으로 돌아갑니다", Toast.LENGTH_SHORT).show();
Intent intent = new Intent(ComActivity.this, LoginActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
finish();
}
BackConfirm++;
}
}

Splash Activity -
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;