android-pull-to-refresh's Introduction

怎麼把這專案匯入Android Studio

要選Import Project...

*** # [SwipeRefreshLayout](https://developer.android.com/reference/android/support/v4/widget/SwipeRefreshLayout.html)

注意如果沒有下面這段程式，重整中切換fragment會卡住

@Override
public void onPause() {
  super.onPause();
  if (swipeRefreshLayout!=null) {
    swipeRefreshLayout.setRefreshing(false);
    swipeRefreshLayout.clearAnimation();
  }
}

android-Ultra-Pull-To-Refresh

PullToRefreshFragment.java

fragment_pull_to_refresh.xml

這個library有好多header可以用，這邊使用的是StoreHouseHeader
注意若是使用PtrHandler要實作checkCanDoRefresh否則想ListView這種會無法往上滑(會直接觸發refresh)

ptrFrameLayout.setPtrHandler(new PtrHandler() {
  @Override
  public boolean checkCanDoRefresh(PtrFrameLayout ptrFrameLayout, View view, View view2) {
    boolean canDoRefresh;
    //TODO: check if canDoRefresh or not
    return canDoRefresh;
  }
  @Override
    public void onRefreshBegin(PtrFrameLayout ptrFrameLayout) {
      //TODO: refresh code...
   }
});

而使用PtrDefaultHandler會自動checkCanDoRefresh，在ListView和GridView上測試狀況良好

ptrFrameLayout.setPtrHandler(new PtrDefaultHandler() {
  @Override
  public void onRefreshBegin(PtrFrameLayout ptrFrameLayout) {
    //TODO: refresh code...
  }
});

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