超炫 PullDownListView高仿微信下拉眼睛出现动画

PullDownListView高仿微信下拉眼睛出现动画，动画自定义PullDownListView， pullDownListView.setOnPullHeightChangeListener设置下拉高度监听，onTopHeightChange（） onBottomHeightChange（），onRefreshing（）其中提供者三个方法时刻刷新页面特效

运行效果：

完整源码下载地址：http://www.itlanbao.com/code/20150911/10000/100524.html

package com.pulldownlistview;

import com.pulldownlistview.PullDownListView.OnPullHeightChangeListener;

import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.os.Handler; import android.util.Log; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.AdapterView.OnItemClickListener; import android.widget.BaseAdapter; import android.widget.TextView;

public class MainActivity extends Activity {  final String TAG = "MainActivity";  static String[] adapterData = new String[] { "A", "B", "C", "D", "E", "F",   "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",   "S", "T", "U", "V", "W", "X", "Y", "Z" };  Context mContext;  @Override  protected void onCreate(Bundle savedInstanceState) {   // TODO Auto-generated method stub   super.onCreate(savedInstanceState);   setContentView(R.layout.activity_main);   mContext = this;   final PullDownListView pullDownListView = (PullDownListView) this     .findViewById(R.id.pullDownListView);   final YProgressView progressView = (YProgressView) this     .findViewById(R.id.progressView);   final EyeView eyeView = (EyeView) this.findViewById(R.id.eyeView);

pullDownListView.getListView().setAdapter(mAdapter);      pullDownListView.setOnPullHeightChangeListener(new OnPullHeightChangeListener(){

@Override    public void onTopHeightChange(int headerHeight,      int pullHeight) {     // TODO Auto-generated method stub     float progress = (float) pullHeight       / (float) headerHeight;          if(progress<0.5){      progress = 0.0f;     }else{      progress = (progress-0.5f)/0.5f;     }               if (progress > 1.0f) {      progress = 1.0f;     }

if (!pullDownListView.isRefreshing()) {      eyeView.setProgress(progress);     }    }

@Override    public void onBottomHeightChange(int footerHeight,      int pullHeight) {     // TODO Auto-generated method stub     float progress = (float) pullHeight       / (float) footerHeight;           if(progress<0.5){      progress = 0.0f;     }else{      progress = (progress-0.5f)/0.5f;     }          if (progress > 1.0f) {      progress = 1.0f;     }          if (!pullDownListView.isRefreshing()) {      progressView.setProgress(progress);     }

}

@Override    public void onRefreshing(final boolean isTop) {     // TODO Auto-generated method stub     if (isTop) {      eyeView.startAnimate();     } else {      progressView.startAnimate();     }

new Handler().postDelayed(new Runnable() {

@Override      public void run() {       // TODO Auto-generated method stub       pullDownListView.pullUp();       if (isTop) {        eyeView.stopAnimate();       } else {        progressView.stopAnimate();       }      }

}, 3000);    }       });

pullDownListView.getListView().setOnItemClickListener(     new OnItemClickListener() {

@Override      public void onItemClick(AdapterView<?> arg0, View arg1,        int arg2, long arg3) {       // TODO Auto-generated method stub

}

});

}    private BaseAdapter mAdapter = new BaseAdapter(){

@Override   public int getCount() {    // TODO Auto-generated method stub    return adapterData.length;   }

@Override   public Object getItem(int position) {    // TODO Auto-generated method stub    return adapterData[position];   }

@Override   public long getItemId(int position) {    // TODO Auto-generated method stub    return 0;   }      @Override   public View getView(int position, View convertView, ViewGroup parent) {    // TODO Auto-generated method stub    TextView textView = new TextView(mContext);    textView.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT,dp2px(mContext,50)));    textView.setText(adapterData[position]);    textView.setTextSize(20);    textView.setTextColor(0xff000000);    textView.setGravity(Gravity.LEFT|Gravity.CENTER_VERTICAL);    textView.setPadding(50, 0, 0, 0);        return textView;   }     };    public static int dp2px(Context context, int dp) {   return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,     context.getResources().getDisplayMetrics());  } }

时间： 2024-08-23 20:01:16

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