Android中CheckBox多项选择当前的position信息提交的示例代码
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废话不多说了,下面通过示例代码给大家介绍checkbox 多项选择当前的position信息提交,具体代码如下所示:
package com.dplustours.b2c.View.activity; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.Toast; import com.dplustours.b2c.R; import com.dplustours.b2c.View.application.MyApplication; import com.dplustours.b2c.View.application.UIHelper; import java.util.ArrayList; import java.util.HashMap; /** * Created by zhq_zhao on 2017/7/7. */ public class ElseSelectCarinfosActivity extends BaseActivity implements View.OnClickListener { private com.dplustours.b2c.View.view.MyListView else_listview; private Button next_step; private static CheckBox iv_select; private ArrayList elsetcarDetails; @Override protected String setHeadStyleTitle() { return "其他选择"; } @Override protected void requestData() { //租车信息列表 elsetcarDetails = new ArrayList(); MulAdapter mRentcarDetailsAdapter = new MulAdapter(this, elsetcarDetails); else_listview.setAdapter(mRentcarDetailsAdapter); elsetcarDetails.add(1); elsetcarDetails.add(1); elsetcarDetails.add(1); mRentcarDetailsAdapter.notifyDataSetChanged(); else_listview.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // 取得ViewHolder对象,这样就省去了通过层层的findViewById去实例化我们需要的cb实例的步骤 MulAdapter.ViewHolder viewHolder = (MulAdapter.ViewHolder) view.getTag(); viewHolder.iv_select.toggle();// 把CheckBox的选中状态改为当前状态的反,gridview确保是单一选中 MulAdapter.getIsSelected().put(position, viewHolder.iv_select.isChecked());////将CheckBox的选中状况记录下来 if (viewHolder.iv_select.isChecked() == true) { Toast.makeText(ElseSelectCarinfosActivity.this,"对勾"+position,Toast.LENGTH_LONG).show(); } else { Toast.makeText(ElseSelectCarinfosActivity.this,"取消"+position,Toast.LENGTH_LONG).show(); } Toast.makeText(ElseSelectCarinfosActivity.this,"当前"+position,Toast.LENGTH_LONG).show(); } }); } @Override protected View getSuccessView() { View view = View.inflate(MyApplication.context, R.layout.activity_else_car, null); else_listview = (com.dplustours.b2c.View.view.MyListView) view.findViewById(R.id.else_listview); next_step = (Button) view.findViewById(R.id.next_step); next_step.setOnClickListener(this); return view; } @Override public void onClick(View v) { switch (v.getId()) { case R.id.next_step: UIHelper.Go(ElseSelectCarinfosActivity.this, CarInfosOkActivity.class); break; default: break; } } public static class MulAdapter extends BaseAdapter { private LayoutInflater inflater = null;//导入布局 private Context context; //上下文 private ArrayListlist; // 控制CheckBox选中情况 private static HashMap isSelected; //导入布局 public MulAdapter(Context context, ArrayList list) { this.context = context; this.list = list; inflater = LayoutInflater.from(context); isSelected = new HashMap (); initData(); } private void initData() { //初始化isSelected的数据 for (int i = 0; i < list.size(); i++) { getIsSelected().put(i, false); } } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return list.get(position); } @Override public long getItemId(int position) { return position; } //listview每显示一行数据,该函数就执行一次 @Override public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder = null; if (convertView == null) { //当第一次加载ListView控件时 convertView为空 convertView = inflater.inflate( R.layout.activity_elsecar_details, null); //所以当ListView控件没有滑动时都会执行这条语句 holder = new ViewHolder(); holder.iv_select = (CheckBox) convertView.findViewById(R.id.iv_select); convertView.setTag(holder);//为view设置标签 } else { //取出holder holder = (ViewHolder) convertView.getTag(); //the Object stored in this view as a tag } if (getIsSelected().get(position)!=null) { // 根据isSelected来设置checkbox的选中状况 holder.iv_select.setChecked(getIsSelected().get(position)); } return convertView; } public class ViewHolder { CheckBox iv_select; } public static HashMap getIsSelected() { return isSelected; } public void setIsSelected(HashMap isSelected) { MulAdapter.isSelected = isSelected; } } } <?xml version="1.0" encoding="utf-8"?> <?xml version="1.0" encoding="utf-8"?> package com.dplustours.b2c.View.activity; import android.annotation.TargetApi; import android.content.Context; import android.os.Build; import android.os.Bundle; import android.os.IBinder; import android.support.v7.app.AppCompatActivity; import android.view.MotionEvent; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import com.dplustours.b2c.R; import com.dplustours.b2c.Utils.NetUtil; import com.dplustours.b2c.View.application.MyApplication; import com.zhy.http.okhttp.OkHttpUtils; /** * Created by zhq_zhao on 2017/4/7. * acticity的基类用来管理所有的activity */ public abstract class BaseActivity extends AppCompatActivity { private View view; private LinearLayout ll_activity_base; private Button btn_headtitle_leftback; private TextView g_headtitle_title_textview; private FrameLayout tl_header_info; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //创建公共的view就是头部样式 view = View.inflate(MyApplication.context, R.layout.activity_header_style_base, null); ll_activity_base = (LinearLayout) view.findViewById(R.id.ll_activity_base); btn_headtitle_leftback = (Button) view.findViewById(R.id.btn_headtitle_leftback); g_headtitle_title_textview = (TextView) view.findViewById(R.id.g_headtitle_title_textview); tl_header_info = (FrameLayout) view.findViewById(R.id.tl_header_info); //这个是让子类去实现具体的view View successView = getSuccessView(); //在添加之前要让没数据的时候子view也要填充满 LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT); ll_activity_base.addView(successView, params); //动态添加view setContentView(view); //初始化头部样式的逻辑 intiHeadStyle(btn_headtitle_leftback, g_headtitle_title_textview); //添加沉浸式状态栏 addStatlan(); //判断网络是否打开 if (NetUtil.isNetworkAvailable(MyApplication.context) == true) {//说明网络已经打开 //从服务器获取数据 requestData(); } else { Toast.makeText(MyApplication.context, "请连接网络", Toast.LENGTH_LONG).show(); } } private void intiHeadStyle(Button btn_headtitle_leftback, TextView g_headtitle_title_textview) { btn_headtitle_leftback.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { finishActivity(); } }); //头部样式设置标题让子类去实现 String headTileinfo = setHeadStyleTitle(); g_headtitle_title_textview.setText(headTileinfo); } protected void finishActivity(){ finish(); } /** * 返回头部字符串 * * @return */ protected abstract String setHeadStyleTitle(); private void addStatlan() { //判断SDK版本是否大于等于19,大于就让他显示,小于就要隐藏,不然低版本会多出来一个 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { setTranslucentStatus(true); tl_header_info.setVisibility(View.VISIBLE); //还有设置View的高度,因为每个型号的手机状态栏高度都不相同 } else { tl_header_info.setVisibility(View.GONE); } } @TargetApi(19) private void setTranslucentStatus(boolean on) { Window win = getWindow(); WindowManager.LayoutParams winParams = win.getAttributes(); final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS; if (on) { winParams.flags |= bits; } else { winParams.flags &= ~bits; } win.setAttributes(winParams); } /** * 初始化数据 * * @return */ protected abstract void requestData(); /** * 创建自己的view * * @return */ protected abstract View getSuccessView(); @Override protected void onDestroy() { super.onDestroy(); OkHttpUtils.getInstance().cancelTag(MyApplication.context); } /** * 根据EditText所在坐标和用户点击的坐标相对比,来判断是否隐藏键盘,因为当用户点击EditText时没必要隐藏 * * @param v * @param event * @return */ public boolean isShouldHideInput(View v, MotionEvent event) { if (v != null && (v instanceof EditText)) { int[] l = {0, 0}; v.getLocationInWindow(l); int left = l[0], top = l[1], bottom = top + v.getHeight(), right = left + v.getWidth(); if (event.getX() > left && event.getX() < right && event.getY() > top && event.getY() < bottom) { // 点击EditText的事件,忽略它。 return false; } else { return true; } } // 如果焦点不是EditText则忽略,这个发生在视图刚绘制完,第一个焦点不在EditView上,和用户用轨迹球选择其他的焦点 return false; } /** * 多种隐藏软件盘方法的其中一种 * * @param token */ public void hideSoftInput(IBinder token) { if (token != null) { InputMethodManager im = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS); } } @Override public boolean dispatchTouchEvent(MotionEvent ev) { if (ev.getAction() == MotionEvent.ACTION_DOWN) { // 获得当前得到焦点的View,一般情况下就是EditText(特殊情况就是轨迹求或者实体案件会移动焦点) View v = getCurrentFocus(); if (isShouldHideInput(v, ev)) { hideSoftInput(v.getWindowToken()); } } return super.dispatchTouchEvent(ev); } }
以上所述是小编给大家介绍的Android 中CheckBox多项选择当前的position信息提交的示例代码,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对创新互联网站的支持!
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