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硅谷社交15--群详情，硅谷社交15--
1）页面布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:orientation="vertical">
<com.hyphenate.easeui.widget.EaseTitleBar
app:titleBarTitle="群详情"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</com.hyphenate.easeui.widget.EaseTitleBar>
<GridView
android:id="@+id/gv_group_detail"
android:layout_width="match_parent"
android:numColumns="4"
android:horizontalSpacing="10dp"
android:verticalSpacing="10dp"
android:layout_weight="1"
android:layout_height="0dp">
</GridView>
<Button
android:id="@+id/bt_group_detail"
android:text="退群"
android:textSize="25sp"
android:layout_margin="5dp"
android:textColor="@android:color/white"
android:background="@android:color/holo_red_light"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
群主群详情.png
删除模式群详情.png
群成员群详情.png
2）获取传递过来的数据
// 获取传递过来的参数
private void getData() {
// 获取传递过来的群id
String groupId = getIntent().getStringExtra(Constant.GROUP_ID);
// 校验
if (groupId == null) {
finish();
return;
} else {
// 获取群信息
mGroup = EMClient.getInstance().groupManager().getGroup(groupId);
}
}
3）初始化button按钮的显示
// 初始化按钮的显示
private void initButtonDisplay() {
//显示
// 判断是否是群主
if (EMClient.getInstance().getCurrentUser().equals(mGroup.getOwner())) {
// 更新显示
btn_exit_group.setText("解散群");
// 解散群的点击事件
btn_exit_group.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Model.getInstace().getGolbalThreadPool().execute(new Runnable() {
@Override
public void run() {
// 联网
try {
// 联网成功
EMClient.getInstance().groupManager().destroyGroup(mGroup.getGroupId());
// 发送解散群广播
exitGroupBroadCast();
// 提示
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(GroupDetailActivity.this, "解散群成功", Toast.LENGTH_SHORT).show();
// 销毁当前页面
finish();
}
});
} catch (HyphenateException e) {
e.printStackTrace();
// 提示
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(GroupDetailActivity.this, "解散群失败", Toast.LENGTH_SHORT).show();
}
});
}
}
});
}
});
} else {// 群成员
btn_exit_group.setText("退群");
// 退群按钮点击事件
btn_exit_group.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// 联网
Model.getInstace().getGolbalThreadPool().execute(new Runnable() {
@Override
public void run() {
try {
EMClient.getInstance().groupManager().leaveGroup(mGroup.getGroupId());
// 发送广播
exitGroupBroadCast();
// 提示
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(GroupDetailActivity.this, "退群成功", Toast.LENGTH_SHORT).show();
// 销毁当前页面
finish();
}
});
} catch (HyphenateException e) {
e.printStackTrace();
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(GroupDetailActivity.this, "退群失败", Toast.LENGTH_SHORT).show();
}
});
}
}
});
}
});
}
}
4）退群和解散群
发送退群广播
// 解散群和退群广播
private void exitGroupBroadCast() {
// 发送广播
Intent intent = new Intent(Constant.EXIT_GROUP);
// 传递群id参数
intent.putExtra(Constant.GROUP_ID, mGroup.getGroupId());
// 发送
mLBM.sendBroadcast(intent);
}
5）初始化Gridview
// 初始化gridview
private void initGridview() {
// 你是群主 或者 你这个群是公开 你就可以添加和删除群成员
boolean mIsCanModify = EMClient.getInstance().getCurrentUser().equals(mGroup.getOwner()) || mGroup.isPublic();
// 创建适配器
mGroupDetailAdapter = new GroupDetailAdapter(GroupDetailActivity.this, mIsCanModify, mOnGroupDetailListener);
// 添加到gridview
gv_member_list.setAdapter(mGroupDetailAdapter);
}
6）GridView适配器
public class GroupDetailAdapter extends BaseAdapter {
private Context mContext;
private boolean mIsCanModify; // 表示可以添加和删除好友
private boolean mIsDeleteModel; // 是否是删除模式 true:删除模式 false:非删除模式
private List<UserInfo> mUsers = new ArrayList<>();
private OnGroupDetailListener mOnGroupDetailListener;
private final String mCurrentUser;
public GroupDetailAdapter(Context context, boolean isCanModify, OnGroupDetailListener onGroupDetailListener) {
mContext = context;
mIsCanModify = isCanModify;
mOnGroupDetailListener = onGroupDetailListener;
mCurrentUser = EMClient.getInstance().getCurrentUser();
}
private void initUsers() {
UserInfo add = new UserInfo("add");
UserInfo delete = new UserInfo("delete");
mUsers.add(delete);
mUsers.add(0, add);
}
// 刷新的方法
public void refresh(List<UserInfo> users) {
// 校验
if (users != null && users.size() >= 0) {
mUsers.clear();
initUsers();
mUsers.addAll(0, users);
}
// 刷新页面
notifyDataSetChanged();
}
// 获取当前的模式
public boolean ismIsDeleteModel() {
return mIsDeleteModel;
}
// 设置当前的模式
public void setmIsDeleteModel(boolean mIsDeleteModel) {
this.mIsDeleteModel = mIsDeleteModel;
}
@Override
public int getCount() {
return mUsers == null ? 0 : mUsers.size();
}
@Override
public Object getItem(int position) {
return mUsers.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// 创建或获取viewHolder
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
convertView = View.inflate(mContext, R.layout.item_group_detail, null);
holder.photo = (ImageView) convertView.findViewById(R.id.iv_member_photo);
holder.name = (TextView) convertView.findViewById(R.id.tv_member_name);
holder.delete = (ImageView) convertView.findViewById(R.id.iv_member_delete);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
if (position != getCount() - 1 && position != getCount() - 2) {
if (holder.name.getVisibility() == View.INVISIBLE) {
holder = new ViewHolder();
convertView = View.inflate(mContext, R.layout.item_group_detail, null);
holder.photo = (ImageView) convertView.findViewById(R.id.iv_member_photo);
holder.name = (TextView) convertView.findViewById(R.id.tv_mem