Android(安卓)之 Dialog复选框获取值 .

packagecom.ethan.dialog;
importandroid.app.Activity;
importandroid.app.AlertDialog;
importandroid.content.Context;
importandroid.content.DialogInterface;
importandroid.content.DialogInterface.OnMultiChoiceClickListener;
importandroid.os.Bundle;
importandroid.view.View;
importandroid.widget.Button;
importandroid.widget.TextView;
importandroid.widget.Toast;
publicclassTestDialogActivityextendsActivity{
privateButtonbtn;
finalContextcontext=this;
@Override
publicvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn=(Button)findViewById(R.id.Button01);
btn.setOnClickListener(newView.OnClickListener(){
@Override
publicvoidonClick(Viewv){
showDialog5();
}
});
}
publicvoidshowDialog5(){
//定义复选框选项
finalString[]multiChoiceItems={"Item1","Item2"};
//复选框默认值：false=未选;true=选中,各自对应items[i]
finalboolean[]defaultSelectedStatus={false,false};
finalStringBuildersb=newStringBuilder();
//创建对话框
newAlertDialog.Builder(context)
.setTitle("复选框")//设置对话框标题
.setMultiChoiceItems(multiChoiceItems,defaultSelectedStatus,newOnMultiChoiceClickListener(){
@Override
publicvoidonClick(DialogInterfacedialog,intwhich,
booleanisChecked){
//来回重复选择取消，得相应去改变item对应的bool值，点击确定时，根据这个bool[],得到选择的内容
defaultSelectedStatus[which]=isChecked;
}
})//设置对话框[肯定]按钮
.setPositiveButton("确定",newDialogInterface.OnClickListener(){
@Override
publicvoidonClick(DialogInterfacedialog,intwhich){
for(inti=0;i<defaultSelectedStatus.length;i++){
if(defaultSelectedStatus[i]){
sb.append(multiChoiceItems[i]);
}
}
//TODOAuto-generatedmethodstub
Toast.makeText(context,sb.toString(),Toast.LENGTH_LONG).show();
}
})
.setNegativeButton("取消",null)//设置对话框[否定]按钮
.show();
}
}

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