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Android scrollview实现底部继续拖动查看图文详情

2019-10-21 21:25:20
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本文实例为大家分享了Android实现底部拖动查看图文详情的具体代码,供大家参考,具体内容如下

一、效果图

Android,scrollview,拖动,查看

二、实现步骤

1.xml布局的实现/p>

<ScrollView android:id="@+id/mymyscrollview" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_above="@+id/rejcdosjflk" android:background="#ffffff" android:scrollbars="none"> <LinearLayout  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:layout_marginBottom="60dp"  android:orientation="vertical">  </LinearLayout> </ScrollView>

2.activity的实现

private ScrollView mScrollView;mScrollView = (ScrollView) findViewById(R.id.mymyscrollview);//调用方法mScrollView.setOnTouchListener(new TouchListenerImpl());private int scrollY;private int height;private int scrollViewMeasuredHeight;private class TouchListenerImpl implements View.OnTouchListener { @Override public boolean onTouch(View view, MotionEvent motionEvent) {  switch (motionEvent.getAction()) {   case MotionEvent.ACTION_DOWN:    break;   case MotionEvent.ACTION_MOVE:    scrollY = view.getScrollY();    height = view.getHeight();    scrollViewMeasuredHeight = mScrollView.getChildAt(0)      .getMeasuredHeight();    break;   case MotionEvent.ACTION_UP:    System.out.println("scrollY=" + scrollY);    System.out.println("height=" + height);    System.out.println("scrollViewMeasuredHeight="      + scrollViewMeasuredHeight);    if (scrollY == 0) {     System.out.println("滑动到了顶端 view.getScrollY()=" + scrollY);    } else if ((scrollY + height) >= scrollViewMeasuredHeight) {     Message msg = new Message();     msg.what = 0;     mHandlerht.sendMessage(msg);    } else {     System.out.println("滑动 height=" + height);    }    // 复位    scrollY = 0;    height = 0;    scrollViewMeasuredHeight = 0;    break;   default:    break;  }  return false; }}private Handler mHandlerht = new Handler() { public void handleMessage(Message msg) {  switch (msg.what) {   case 0:    // 跳转    Intent intentcll = new Intent();    intentcll.setClass(BDDetialActivityCll.this,      CSProductDetailsCll.class);    intentcll.putExtra("product", ncspbean);    startActivity(intentcll);    break;   default:    break;  } }};

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