public class MainActivity extends Activity implements ViewSwitcher.ViewFactory,AdapterView.OnItemSelectedListener{
? ?private Gallery gallery;
? ?private ViewSwitcher viewSwitcher;
? ?private Baseadapter baseadapter;
? ?private int[]resoure={R.drawable.p1,R.drawable.p2,R.drawable.p3,R.drawable.p5,R.drawable.p6,
? ? ? ? ? ?R.drawable.p7,R.drawable.p8,R.drawable.p9};
? ?@Override
? ?protected void onCreate(Bundle savedInstanceState) {
? ? ? ?super.onCreate(savedInstanceState);
? ? ? ?setContentView(R.layout.activity_main);
? ? ? ?viewSwitcher= (ViewSwitcher) findViewById(R.id.imageSwitcher);
? ? ? ?gallery= (Gallery) findViewById(R.id.gallery);
? ? ? ?baseadapter=new Baseadapter(resoure,this);
? ? ? ?gallery.setAdapter(baseadapter);
? ? ? ?gallery.setOnItemSelectedListener(this);
? ? ? ?viewSwitcher.setFactory(this);
? ? ? ?//為ViewSwitcher添加進出效果
? ? ? ?viewSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_in));
? ? ? ?viewSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,android.R.anim.fade_out));
? ?}
? ?@Override
? ?public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
? ? ? ?//加載圖片資源
? ? ? ?viewSwitcher.setBackgroundResource(resoure[i%resoure.length]);
? ?}
? ?@Override
? ?public View makeView() {
? ? ? ?ImageView imageView=new ImageView(this);
? ? ? ?imageView.setScaleType(ImageView.ScaleType.CENTER);
? ? ? ?return imageView;
? ?}
? ?@Override
? ?public void onNothingSelected(AdapterView<?> adapterView) {
? ?}
}