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ScrollView中放ListView,ListView中放GridView冲突问题

2015-10-04 16:27 357 查看
ScrollView 中放ListView是避免不了的,网上有种靠谱的方法,我用过觉得很不错。

ListView

package com.work.driver.view;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ListView;

/**
* @project a_driver
* @ClassName NoScrollListView.java
* @Description 可以放入ScrollView的ListView
* @author xugang
* @date 2015-9-23 上午1:06:58
*/
public class NoScrollListView extends ListView {
public NoScrollListView(Context context) {
super(context);
}

public NoScrollListView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public NoScrollListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
}
}


GridView

package com.work.driver.view;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.GridView;

/**
* @project a_driver
* @ClassName NoScrollGridView.java
* @Description  嵌套在listView 中的GridView
* @author xugang
* @date 2015-9-23 下午12:56:43
*/
public class NoScrollGridView extends GridView {
public NoScrollGridView(Context context) {
super(context);
}

public NoScrollGridView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public NoScrollGridView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}

@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
}
}


但是这样有问题,当数据很多的时候,ListView或者GridView上面的View会滑出屏幕,这里需要写三行代码,找到上面的任意一个View:

View view = findViewById(R.id.textView1);// find view
view.setFocusable(true);
view.setFocusableInTouchMode(true);
view.requestFocus();
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