Zi 字媒體

Toast toast; toast=Toast.makeText(this,"早安您好",Toast.LENGTH_LONG);//停留長時間 toast=Toast.makeText(this,"早安您好",Toast.LENGTH_SHORT);//停留短時間 toast.show(); 示範 XML xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> android.support.constraint.ConstraintLayout> JAVA public class MainActivity extends AppCompatActivity { Toast toast; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); toast=Toast.makeText(this,"早安您好",Toast.LENGTH_SHORT); toast.show(); } }   展示 相關文章: [Android] Android 程式設計教學