image.png
image.png
image.png
用法：
main.xml
···
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android=">
</ListView>
</android.support.v4.widget.SwipeRefreshLayout>
</LinearLayout>
···
--------------MainActivity ------------------
···
package com.example.lenovo.test_03;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
public class MainActivity extends AppCompatActivity {
ListView listView;
SwipeRefreshLayout swipe;
MyAdapter adapter;
ArrayList<String>array=new ArrayList<>();
ArrayList<String> datalist=new ArrayList<>();
int index=20; //最开始加载的数据
Handler hand=new Handler(){
@Override
public void handleMessage(Message msg) {
if (msg.what==1){
adapter.notifyDataSetChanged();
swipe.setRefreshing(false);//刷新完毕 ，图标消失
}
}
};
@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}private void init() { for (int i = 0; i <100 ; i++) {
array.add("我是数据："+i);
} for (int i = 0; i < 20; i++) {
datalist.add(array.get(i));
}
swipe = (SwipeRefreshLayout) findViewById(R.id.swipe);
swipe.setSize(SwipeRefreshLayout.DEFAULT);//设置加载默认图标
swipe.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override
public void onRefresh() { int indexMax = index + 20; for (int i = index; i < indexMax; i++) {
datalist.add(array.get(i));
}
index = indexMax;
hand.sendEmptyMessageDelayed(1,3000);
}
}); if (Build.VERSION.SDK_INT>=23){
swipe.setProgressBackgroundColorSchemeColor(
getResources().getColor(android.R.color.holo_orange_light,getTheme()));
swipe.setColorSchemeColors(//刷新控件动画中的颜色
getResources().getColor(android.R.color.holo_blue_dark,getTheme()),
getResources().getColor(android.R.color.holo_red_dark,getTheme()),
getResources().getColor(android.R.color.holo_green_dark,getTheme())
);
}
listView= (ListView) findViewById(R.id.listView);
adapter=new MyAdapter();
listView.setAdapter(adapter);
}class MyAdapter extends BaseAdapter{ @Override
public int getCount() { return datalist.size();
} @Override
public Object getItem(int i) { return datalist.get(i);
} @Override
public long getItemId(int i) { return 0;
} @Override
public View getView(int i, View view, ViewGroup viewGroup) {
TextView textView = new TextView(MainActivity.this);
textView.setTextSize(22); //判断兼容版本是否是6.0以上
if (Build.VERSION.SDK_INT>=23){
textView.setTextColor(getResources().getColor(android.R.color.holo_green_dark, //getTheme()获取当前Activity主题
getTheme()));
}else {// textView.setTextColor(getColor(android.R.color.holo_green_dark));
} textView.setText(datalist.get(i)); return textView; } }
}
···
效果图：
image.png
作者：Summer_27d1
链接：https://www.jianshu.com/p/3c5e77c64fed
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