鍦ˋndroid涓紝浣跨敤Toast鏄剧ず鐭殏鐨勬彁绀轰俊鎭緢绠€鍗曘€傚彲浠ユ寜鐓т互涓嬫楠よ繘琛屾搷浣滐細

1. 鍦ㄩ渶瑕佹樉绀篢oast鐨勫湴鏂癸紝璋冪敤Toast.makeText()鏂规硶鍒涘缓涓€涓猅oast瀵硅薄銆傝鏂规硶鎺ユ敹涓変釜鍙傛暟锛氫笂涓嬫枃Context銆佽鏄剧ず鐨勬枃鏈唴瀹瑰拰鏄剧ず鏃堕暱锛?code>Toast.LENGTH_SHORT琛ㄧず鐭椂鏄剧ず锛?code>Toast.LENGTH_LONG琛ㄧず闀挎椂鏄剧ず锛夈€?/li>

渚嬪锛?/p>

Toast toast = Toast.makeText(getApplicationContext(), "Hello World!", Toast.LENGTH_SHORT);

2. 璋冪敤toast.show()鏂规硶鏄剧ずToast銆?/li>

渚嬪锛?/p>

toast.show();

瀹屾暣鐨勭ず渚嬩唬鐮佸涓嬶細

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private Button button;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        button = findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showToast();
            }
        });
    }

    private void showToast() {
        Toast toast = Toast.makeText(getApplicationContext(), "Hello World!", Toast.LENGTH_SHORT);
        toast.show();
    }
}

杩欐牱锛屽綋鐐瑰嚮鎸夐挳鏃讹紝灏变細鏄剧ず涓€涓煭鏆傜殑Toast鎻愮ず淇℃伅"Hello World!"銆?/p>