想要弹出内容就可以考虑使用悬浮窗
布局
代码语言：javascript复制<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@ id/rl_root"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".LoginActivity" >
<com.handmark.pulltorefresh.library.PullToRefreshListView
android:id="@ id/lv_list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#fff" />
<View
android:id="@ id/viewHolder"
android:layout_width="match_parent"
android:layout_height="53dp"
android:visibility="gone" />
</LinearLayout>代码
代码语言：javascript复制 lv_list.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(getApplicationContext(), "长按", 0).show();
//开启编辑模式
startEditModel();
if (position > 0) {
position -= 1;
}
adapter.toggleSelect(view, position);
return true;
}
});
}
private boolean isEditModel;
private int seletedCount;
/**
* 开启编辑模式
*/
private void startEditModel() {
//listview需要刷新
isEditModel = true;
adapter.notifyDataSetChanged();
//修改actionbar
uploadMenuItem.setVisible(false);
downloadMenuItem.setVisible(false);
moreMenuItem.setVisible(false);
selectMenuItem.setVisible(true);
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setTitle(String.format("已选定%d个", seletedCount));
//显示底部的popupwindows
//当在最 底部时会覆盖条目，可以在下面弄个view，让他显示
showBottomPopupWindow();
//listview上移
viewHolder.setVisibility(0);
}
/**
* 结束编辑模式
*/
private void stopEditModel() {
//listview需要刷新
isEditModel = false;
adapter.notifyDataSetChanged();
//修改actionbar
uploadMenuItem.setVisible(true);
downloadMenuItem.setVisible(true);
moreMenuItem.setVisible(true);
selectMenuItem.setVisible(false);
actionBar.setTitle("黑马网盘");
//返回按钮的处理
if ("/".equals(curPath)) {
actionBar.setDisplayHomeAsUpEnabled(false);
}
//隐藏popupwindows
bottomPopupWindow.dismiss();
//listview还原
viewHolder.setVisibility(8);
//还原entryWrapper的选中状态
for (EntryWrapper entryWrapper : contents) {
entryWrapper.isCheck = false;
}
seletedCount = 0;
}
private void showBottomPopupWindow() {
if (bottomPopupWindow == null) {
View contentView = View.inflate(MainActivity.this, R.layout.bottom_edit_pop, null);
int width = ViewGroup.LayoutParams.FILL_PARENT;
int height = ViewGroup.LayoutParams.WRAP_CONTENT;
bottomPopupWindow = new PopupWindow(contentView, width, height);
contentView.findViewById(R.id.DeleteBtn).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
List<EntryWrapper> selectedEntryWrappers = new ArrayList<EntryWrapper>();
for (EntryWrapper info : contents) {
if (info.isCheck) {
selectedEntryWrappers.add(info);
}
}
StringBuffer sb = new StringBuffer();
//遍历输出
for (EntryWrapper entryWrapper : selectedEntryWrappers) {
sb.append(entryWrapper.entry.fileName()).append(" ");
}
System.out.println(sb.toString());
}
});
}
bottomPopupWindow.showAtLocation(rl_root, Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL, 0, 0);
}
