开源库 AppIntro

分享歌曲

使用方法
1.添加到 build.gradle
{% codeblock %}
repositories {
mavenCentral()
}

dependencies {
compile 'com.github.paolorotolo:appintro:4.1.0'
}
{% endcodeblock %}
2.添加一个继承自 AppIntro 或者 AppIntro2 的 Activity
{% codeblock lang:Java %}
public class IntroActivity extends AppIntro {
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

    // Note here that we DO NOT use setContentView();

    // Add your slide fragments here.
    // AppIntro will automatically generate the dots indicator and buttons.
    //两种方式添加引导也，一个自定义的fragment,二是通过AppIntroFragment来自动图片标题的引导页
    addSlide(firstFragment);
    addSlide(secondFragment);
    addSlide(thirdFragment);
    addSlide(fourthFragment);

    // Instead of fragments, you can also use our default slide
    // Just set a title, description, background and image. AppIntro will do the rest.
    addSlide(AppIntroFragment.newInstance(title, description, image, backgroundColor));

    // OPTIONAL METHODS
    // Override bar/separator color.
    //颜色选择
    setBarColor(Color.parseColor("#3F51B5"));
    setSeparatorColor(Color.parseColor("#2196F3"));

    // Hide Skip/Done button.
    //跳过按钮
    showSkipButton(false);
    setProgressButtonEnabled(false);

    // Turn vibration on and set intensity.
    // NOTE: you will probably need to ask VIBRATE permission in Manifest.
    //震动设置
    setVibrate(true);
    setVibrateIntensity(30);
}
//事件
@Override
public void onSkipPressed(Fragment currentFragment) {
    super.onSkipPressed(currentFragment);
    // Do something when users tap on Skip button.
}

@Override
public void onDonePressed(Fragment currentFragment) {
    super.onDonePressed(currentFragment);
    // Do something when users tap on Done button.
}

@Override
public void onSlideChanged(@Nullable Fragment oldFragment, @Nullable Fragment newFragment) {
    super.onSlideChanged(oldFragment, newFragment);
    // Do something when the slide changes.
}

}
{% endcodeblock %}
几大重点

• 继承自 AppIntro 的 Activity 不需要 setContentView();（这坑我采了）
• 通过 addSlide()来一个个添加引导页
• 可自重写跳过、完成、滑动事件
• 使用布局来直接添加引导页使用 AppIntro2

3.在 Manifest 中定义 Activity（如果是自己新建的是 class 而不是 Activity）
{% codeblock %}

{% endcodeblock %}
动画效果
{% codeblock lang:Java %}
setFadeAnimation()
setZoomAnimation()
setFlowAnimation()
setSlideOverAnimation()
setDepthAnimation()
{% endcodeblock %}

实践

定义 MaterialGuideActivity 继承 AppIntro2，实现图片引导页，添加动画，重写完成和跳过事件来记录是否为第一次引导。

{% codeblock lang:Java %}
//省略 package 和 import
public class MaterialGuideActivity extends AppIntro2 {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

// AppIntro do not need setContentView
// setContentView(R.layout.material_guide1);
addSlide(IntroSlideUtil.newInstance(R.drawable.guide1));
addSlide(IntroSlideUtil.newInstance(R.drawable.guide2));
addSlide(IntroSlideUtil.newInstance(R.drawable.guide3));
addSlide(IntroSlideUtil.newInstance(R.drawable.guide4));
showSkipButton(true);
setVibrate(true);
setVibrateIntensity(30);
// setFadeAnimation();
// setFlowAnimation();
// setZoomAnimation();
setDepthAnimation();

}

//记录是否已经看过引导页
@Override
public void onSkipPressed(Fragment currentFragment) {
startActivity(new Intent(MaterialGuideActivity.this, MainActivity.class));
SharePrefereceTool.setPrefBoolean(MaterialGuideActivity.this, "guide_showed", true);
finish();
}

@Override
public void onDonePressed(Fragment currentFragment) {
    startActivity(new Intent(MaterialGuideActivity.this, MainActivity.class));
    SharePrefereceTool.setPrefBoolean(MaterialGuideActivity.this, "guide_showed", true);
    finish();
}

}

{% endcodeblock %}
IntroSlideUtil.java
{% codeblock lang:Java %}
//省略 package 和 import
/*
*AppIntro 中布局使用 fragment,

• 如果是图片直接返回全屏图片

• 如果是布局则 inflate 返回
  */
  public class IntroSlideUtil extends Fragment {

  private static final String IMAGE_RES_ID = "imageResId";
  private int imageId;
  private static final String LAYOUT_RES_ID = "layoutResId";
  private int layoutId;
  private static final String FLAG_LAYOUT = "flag";
  private boolean flag = false;

  public static IntroSlideUtil newInstance(int imageResId) {
  IntroSlideUtil sample = new IntroSlideUtil();

   Bundle args = new Bundle();
   args.putInt(IMAGE_RES_ID, imageResId);
   sample.setArguments(args);
   return sample;
  

  }
  public static IntroSlideUtil newInstance(int layoutResId, boolean isLayout) {
  IntroSlideUtil sample = new IntroSlideUtil();
  Bundle args = new Bundle();
  args.putInt(LAYOUT_RES_ID, layoutResId);
  args.putBoolean(FLAG_LAYOUT, isLayout);
  sample.setArguments(args);
  return sample;
  }

  @Override
  public void onCreate(@Nullable Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  if (getArguments() != null && getArguments().containsKey(IMAGE_RES_ID)) {
  imageId = getArguments().getInt(IMAGE_RES_ID);
  } else if (getArguments() != null && getArguments().containsKey(LAYOUT_RES_ID)) {
  layoutId = getArguments().getInt(LAYOUT_RES_ID);
  flag = getArguments().getBoolean(FLAG_LAYOUT);
  }
  }

  @Nullable
  @Override
  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
  @Nullable Bundle savedInstanceState) {
  if (flag) {
  return inflater.inflate(layoutId, container, false);
  } else {
  ImageView imageView = new ImageView(getContext());
  Glide.with(getContext()).load(imageId).into(imageView);
  imageView.setScaleType(ImageView.ScaleType.FIT_XY);
  Log.e("tag", getContext().toString());
  imageView.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
  ViewGroup.LayoutParams.MATCH_PARENT));
  return imageView;
  }
  }
  }
  {% endcodeblock %}
  效果图
  {% asset_img screenshot1.png screenshot1 %}{% asset_img screenshot2.png screenshot2 %}