home-school-contact-app/文档/Android/app/src/main/java/com/example/nanchen/aiyaschoolpush/adapter/GroupAdapter.java

126 lines
3.9 KiB
Java

/**
* Copyright (C) 2016 Hyphenate Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.nanchen.aiyaschoolpush.adapter;
import android.content.Context;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.nanchen.aiyaschoolpush.R;
import com.hyphenate.chat.EMGroup;
import java.util.List;
public class GroupAdapter extends ArrayAdapter<EMGroup> {
private LayoutInflater inflater;
private String newGroup;
private String addPublicGroup;
public GroupAdapter(Context context, int res, List<EMGroup> groups) {
super(context, res, groups);
this.inflater = LayoutInflater.from(context);
newGroup = context.getResources().getString(R.string.The_new_group_chat);
addPublicGroup = context.getResources().getString(R.string.add_public_group_chat);
}
@Override
public int getViewTypeCount() {
return 4;
}
@Override
public int getItemViewType(int position) {
if (position == 0) {
return 0;
} else if (position == 1) {
return 1;
} else if (position == 2) {
return 2;
} else {
return 3;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (getItemViewType(position) == 0) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.em_search_bar_with_padding, parent, false);
}
final EditText query = (EditText) convertView.findViewById(R.id.query);
final ImageButton clearSearch = (ImageButton) convertView.findViewById(R.id.search_clear);
query.addTextChangedListener(new TextWatcher() {
public void onTextChanged(CharSequence s, int start, int before, int count) {
getFilter().filter(s);
if (s.length() > 0) {
clearSearch.setVisibility(View.VISIBLE);
} else {
clearSearch.setVisibility(View.INVISIBLE);
}
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void afterTextChanged(Editable s) {
}
});
clearSearch.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
query.getText().clear();
}
});
} else if (getItemViewType(position) == 1) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.em_row_add_group, parent, false);
}
((ImageView) convertView.findViewById(R.id.avatar)).setImageResource(R.drawable.em_create_group);
((TextView) convertView.findViewById(R.id.name)).setText(newGroup);
} else if (getItemViewType(position) == 2) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.em_row_add_group, parent, false);
}
((ImageView) convertView.findViewById(R.id.avatar)).setImageResource(R.drawable.em_add_public_group);
((TextView) convertView.findViewById(R.id.name)).setText(addPublicGroup);
((TextView) convertView.findViewById(R.id.header)).setVisibility(View.VISIBLE);
} else {
if (convertView == null) {
convertView = inflater.inflate(R.layout.em_row_group, parent, false);
}
((TextView) convertView.findViewById(R.id.name)).setText(getItem(position - 3).getGroupName());
}
return convertView;
}
@Override
public int getCount() {
return super.getCount() + 3;
}
}