Android scrollview实现底部继续拖动查看图文详情

时间:2021-05-21

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

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; } }};

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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