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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" > android.support.constraint.ConstraintLayout> JAVA public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Intent it=new Intent(); it.setAction(Intent.ACTION_VIEW); Uri uri=Uri.parse("http://yahoo.com.tw"); it.setData(uri); startActivity(it); } } 相關文章: [Android] Android 學習總集