Android自定义Dialog多选对话框（Dialog+Listview+CheckBox)

智者不为愚者谋，勇者不为怯者死。这篇文章主要讲述Android自定义Dialog多选对话框（Dialog+Listview+CheckBox)相关的知识，希望能为你提供帮助。
先放效果截图
项目中需要有个Dialog全选对话框，点击全选全部选中，取消全选全部取消。下午查了些资料，重写了一下Dialog对话框。把代码放出来。

文章图片

public class MainActivity extends Activity { View getlistview; String[] mlistText = { "全选", "选择1", "选择2", "选择3", "选择4", "选择5", "选择6", "选择7" }; ArrayList< Map< String, Object> > mData = https://www.songbingjia.com/android/new ArrayList< Map< String, Object> > (); AlertDialog.Builder builder; AlertDialog builder2; SimpleAdapter adapter; Boolean[] bl = { false, false, false, false, false, false, false, false }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button button = (Button) findViewById(R.id.btn); int lengh = mlistText.length; for (int i = 0; i < lengh; i++) { Map< String, Object> item = new HashMap< String, Object> (); item.put("text", mlistText[i]); mData.add(item); } button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { CreateDialog(); // 点击创建Dialog } }); }class ItemOnClick implements OnItemClickListener {@Override public void onItemClick(AdapterView< ?> arg0, View view, int position, long id) { CheckBox cBox = (CheckBox) view.findViewById(R.id.X_checkbox); if (cBox.isChecked()) { cBox.setChecked(false); } else { Log.i("TAG", "取消该选项"); cBox.setChecked(true); }if (position == 0 & & (cBox.isChecked())) { //如果是选中全选就把所有的都选上然后更新 for (int i = 0; i < bl.length; i++) { bl[i] = true; } adapter.notifyDataSetChanged(); } else if (position == 0 & & (!cBox.isChecked())) { //如果是取消全选就把所有的都取消然后更新 for (int i = 0; i < bl.length; i++) { bl[i] = false; } adapter.notifyDataSetChanged(); } if (position != 0 & & (!cBox.isChecked())) { // 如果把其它的选项取消把全选取消 bl[0] = false; bl[position]=false; adapter.notifyDataSetChanged(); } else if (position != 0 & & (cBox.isChecked())) { //如果选择其它的选项，看是否全部选择 //先把该选项选中设置为true bl[position]=true; int a = 0; for (int i = 1; i < bl.length; i++) { if (bl[i] == false) { //如果有一个没选中就不是全选直接跳出循环 break; } else { //计算有多少个选中的 a++; if (a == bl.length - 1) { //如果选项都选中，就把全选选中，然后更新 bl[0] = true; adapter.notifyDataSetChanged(); } } } } }}public void CreateDialog() {// 动态加载一个listview的布局文件进来 LayoutInflater inflater = LayoutInflater.from(MainActivity.this); getlistview = inflater.inflate(R.layout.listview, null); // 给ListView绑定内容 ListView listview = (ListView) getlistview.findViewById(R.id.X_listview); adapter = new SetSimpleAdapter(MainActivity.this, mData, R.layout.listitem, new String[] { "text" }, new int[] { R.id.X_item_text }); // 给listview加入适配器 listview.setAdapter(adapter); listview.setItemsCanFocus(false); listview.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); listview.setOnItemClickListener(new ItemOnClick()); builder = new AlertDialog.Builder(this); builder.setTitle("请选择查询类型"); builder.setIcon(R.drawable.ic_launcher); //设置加载的listview builder.setView(getlistview); builder.setPositiveButton("确定", new DialogOnClick()); builder.setNegativeButton("取消", new DialogOnClick()); builder.create().show(); }class DialogOnClick implements DialogInterface.OnClickListener {@Override public void onClick(DialogInterface dialog, int which) { switch (which) { case Dialog.BUTTON_POSITIVE: //确定按钮的事件 break; case Dialog.BUTTON_NEGATIVE: //取消按钮的事件 break; default: break; } } }//重写simpleadapterd的getview方法 class SetSimpleAdapter extends SimpleAdapter {public SetSimpleAdapter(Context context, List< ? extends Map< String, ?> > data, int resource, String[] from, int[] to) { super(context, data, resource, from, to); }@Override public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { convertView = LinearLayout.inflate(getBaseContext(), R.layout.listitem, null); } CheckBox ckBox = (CheckBox) convertView.findViewById(R.id.X_checkbox); //每次都根据 bl[]来更新checkbox if (bl[position] == true) { ckBox.setChecked(true); } else if (bl[position] == false) { ckBox.setChecked(false); } return super.getView(position, convertView, parent); } } }

【Android自定义Dialog多选对话框（Dialog+Listview+CheckBox)】布局文件

< RelativeLayout 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" tools:context="${relativePackage}.${activityClass}" > < Button android:id="@+id/btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="点击弹出Dialog" /> < /RelativeLayout>

< RelativeLayout 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" tools:context="${relativePackage}.${activityClass}" > < ListView android:id="@+id/X_listview" android:layout_width="match_parent" android:layout_height="wrap_content" > < /ListView> < /RelativeLayout>

< 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" tools:context="${relativePackage}.${activityClass}" > < RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:descendantFocusability="blocksDescendants" > < TextView android:id="@+id/X_item_text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="选项" /> < CheckBox android:id="@+id/X_checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:clickable="false" android:focusable="false" /> < /RelativeLayout> < /LinearLayout>