Zi 字媒體

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" android:layout_width="match_parent" android:layout_height="match_parent"> <Button android:id="@+id/open" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="8dp" android:layout_marginStart="8dp" android:layout_marginTop="8dp" android:onClick="open" android:text="維持螢幕開啟" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" /> <Button android:id="@+id/close" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginEnd="8dp" android:layout_marginRight="8dp" android:layout_marginTop="8dp" android:onClick="close" android:text="螢幕自動關閉" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintTop_toTopOf="parent" /> android.support.constraint.ConstraintLayout> JAVA public class MainActivity extends AppCompatActivity{ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void open(View v){ this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//維持開啟 } public void close(View v){ this.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//關閉螢幕維持 } }