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@codeforfun-jp
Last active December 15, 2022 10:50
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How to set button click event with java 3
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(R.id.btn1).setOnClickListener(this);
findViewById(R.id.btn2).setOnClickListener(this);
findViewById(R.id.btn3).setOnClickListener(this);
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.btn1) {
Snackbar.make(v, "ボタン1が押されました", Snackbar.LENGTH_SHORT).show();
} else if (v.getId() == R.id.btn2) {
Snackbar.make(v, "ボタン2が押されました", Snackbar.LENGTH_SHORT).show();
} else if (v.getId() == R.id.btn3) {
Snackbar.make(v, "ボタン3が押されました", Snackbar.LENGTH_SHORT).show();
}
}
}
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