关于这个Demo的写法很多 我也献上一段 效果图如下

上代码

MainActivity

public class MainActivity extends Activity {

  // public List<File> Localphotos_List = new ArrayList<File>();
private static final int[] pics = { R.drawable.guide1, R.drawable.guide2, R.drawable.guide3, R.drawable.guide4, R.drawable.guide5 }; private ViewPager mViewPager;
private ImageView mPage0;
private ImageView mPage1;
private ImageView mPage2;
private ImageView mPage3;
private ImageView mPage4;
private Button start_bn; private boolean isFirste; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main); // getPhotos(); // isFirste =
// SharedPreferencesUtils.getFirstLoginState(this.getApplicationContext()); mViewPager = (ViewPager) findViewById(R.id.whatsnew_viewpager);
start_bn = (Button) findViewById(R.id.start_bn);
start_bn.setOnClickListener(new View.OnClickListener() { @Override
public void onClick(View v) { }
}); mViewPager.setOnPageChangeListener(new MyOnPageChangeListener()); mPage0 = (ImageView) findViewById(R.id.page0);
mPage1 = (ImageView) findViewById(R.id.page1);
mPage2 = (ImageView) findViewById(R.id.page2);
mPage3 = (ImageView) findViewById(R.id.page3);
mPage4 = (ImageView) findViewById(R.id.page4); final ArrayList<ImageView> list = new ArrayList<ImageView>();
// 初始化引导图片列表
for (int i = 0; i < pics.length; i++) {
ImageView iv = new ImageView(this);
iv.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
iv.setImageResource(pics[i]);
iv.setScaleType(ImageView.ScaleType.CENTER_CROP);
list.add(iv);
} /*
* if (isFirste) { mPage3.setVisibility(View.VISIBLE); list.add(view4); }
* else { mPage3.setVisibility(View.GONE); }
*/ PagerAdapter adapter = new PagerAdapter() { @Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
} @Override
public int getCount() {
return list.size();
} @Override
public void destroyItem(View container, int position, Object object) {
((ViewPager) container).removeView(list.get(position));
} @Override
public Object instantiateItem(View container, int position) {
((ViewPager) container).addView(list.get(position));
return list.get(position);
}
}; mViewPager.setAdapter(adapter);
} public class MyOnPageChangeListener implements OnPageChangeListener { @Override
public void onPageScrollStateChanged(int arg0) { } @Override
public void onPageScrolled(int arg0, float arg1, int arg2) { } @Override
public void onPageSelected(int arg0) {
switch (arg0) {
case 0:
display();
mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page));
break; case 1:
display();
mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page));
break; case 2:
display();
mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page));
break; case 3:
display();
mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page_now));
mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page)); /* mPage3.setVisibility(View.GONE);
mPage0.setVisibility(View.GONE);
mPage1.setVisibility(View.GONE);
mPage2.setVisibility(View.GONE);*/ /*
* SharedPreferencesUtils.saveFirstLoginState(Activity_WhatsNew.this.
* getApplicationContext()); File dbFile = new
* File(ResourceManager.DBDIR_PATH + "/userprofiledb.db"); if
* (!dbFile.exists()) { UserProfileDB.instance().createNew(); } new
* Handler().postDelayed(new Runnable() { public void run() {
* startActivity(new Intent(Activity_WhatsNew.this,
* Activity_LoginForFirst.class)); finish(); } }, 500);
*/
break; case 4:
/* mPage0.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage1.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage2.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage3.setImageDrawable(getResources().getDrawable(R.drawable.page));
mPage4.setImageDrawable(getResources().getDrawable(R.drawable.page_now));*/
hide();
break;
}
}
} private void hide() {
mPage0.setVisibility(View.GONE);
mPage1.setVisibility(View.GONE);
mPage2.setVisibility(View.GONE);
mPage3.setVisibility(View.GONE);
mPage4.setVisibility(View.GONE);
start_bn.setVisibility(View.VISIBLE);
} private void display() {
mPage0.setVisibility(View.VISIBLE);
mPage1.setVisibility(View.VISIBLE);
mPage2.setVisibility(View.VISIBLE);
mPage3.setVisibility(View.VISIBLE);
mPage4.setVisibility(View.VISIBLE);
start_bn.setVisibility(View.GONE);
} }

activity_main

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
android:orientation="vertical" > <android.support.v4.view.ViewPager
android:id="@+id/whatsnew_viewpager"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" >
</android.support.v4.view.ViewPager> <LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" > <LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginBottom="30dp"
android:gravity="center_horizontal" > <ImageView
android:id="@+id/page0"
android:layout_width="10dp"
android:layout_height="10dp"
android:background="@drawable/page_now" /> <ImageView
android:id="@+id/page1"
android:layout_width="10dp"
android:layout_height="10dp"
android:layout_marginLeft="10dp"
android:background="@drawable/page" /> <ImageView
android:id="@+id/page2"
android:layout_width="10dp"
android:layout_height="10dp"
android:layout_marginLeft="10dp"
android:background="@drawable/page" /> <ImageView
android:id="@+id/page3"
android:layout_width="10dp"
android:layout_height="10dp"
android:layout_marginLeft="10dp"
android:background="@drawable/page" /> <ImageView
android:id="@+id/page4"
android:layout_width="10dp"
android:layout_height="10dp"
android:layout_marginLeft="10dp"
android:background="@drawable/page" />
</LinearLayout>
</LinearLayout> <Button
android:id="@+id/start_bn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:layout_marginBottom="40dp"
android:layout_marginLeft="40dp"
android:layout_marginRight="40dp"
android:text="马上开始"
android:visibility="gone"
/> </FrameLayout>

Demo见github

https://github.com/huanyi0723/NoviceGuide

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