Android ViewPager 左右滑动-1

最新推荐文章于 2024-04-27 13:15:53 发布

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本文深入探讨了Android开发中的关键技术和UI布局优化策略，包括使用LinearLayout、RadioGroup、HorizontalScrollView等组件实现高效布局，以及如何通过适配不同设备屏幕尺寸来提升用户体验。

Store extends ActivityGroup implements OnClickListener

private ViewPager viewPager;
private ArrayList<View> pageViews;
private RadioGroup radioGroup;
private String title[] = { "A", "B", "C", "D", "E", "F" };
private LinearLayout linearLayout;
private final int height = 70;
private ArrayList<TextView> textViews;
private HorizontalScrollView horizontalScrollView;

@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main1);

linearLayout = (LinearLayout) findViewById(R.id.ll_main);
viewPager = (ViewPager) findViewById(R.id.pager);
horizontalScrollView = (HorizontalScrollView) findViewById(R.id.horizontalScrollView);
InItTitle1();
setSelector(0);
InItView();
viewPager.setAdapter(new myPagerView());
viewPager.clearAnimation();
viewPager.setOnPageChangeListener(new OnPageChangeListener() {

public void onPageSelected(int arg0) {
setSelector(arg0);
}

public void onPageScrolled(int arg0, float arg1, int arg2) {

}

public void onPageScrollStateChanged(int arg0) {

}
});
}

/***
* init title
*/
void InItTitle() {
int width = getWindowManager().getDefaultDisplay().getWidth() / 5;
for (int i = 0; i < title.length; i++) {
RadioButton radioButton = new RadioButton(this, null,
R.style.radioButton);
radioButton.setText(title[i]);
radioButton.setTextSize(17);
radioButton.setTextColor(R.color.black);
radioButton.setWidth(width);
radioButton.setHeight(height);
radioButton.setGravity(Gravity.CENTER);
radioGroup.addView(radioButton);
}
}

/***
* init title
*/
void InItTitle1() {
textViews = new ArrayList<TextView>();
int width = getWindowManager().getDefaultDisplay().getWidth() / 5;
int height = 70;
for (int i = 0; i < title.length; i++) {
TextView textView = new TextView(this);
textView.setText(title[i]);
textView.setTextSize(17);
textView.setTextColor(R.color.black);
textView.setWidth(width);
textView.setHeight(height - 30);
textView.setGravity(Gravity.CENTER);
textView.setId(i);
textView.setOnClickListener(this);
textViews.add(textView);
// 分割线
View view = new View(this);
LinearLayout.LayoutParams layoutParams = new LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
layoutParams.width = 1;
layoutParams.height = height - 40;
layoutParams.gravity = Gravity.CENTER;
view.setLayoutParams(layoutParams);
view.setBackgroundColor(R.color.gray);
linearLayout.addView(textView);
if (i != title.length - 1) {
linearLayout.addView(view);
}

}
}