Android 滚动视图在警报对话框中不工作
不知何故,滚动视图不起作用。显示的消息警报对话框非常大,因此我需要实现垂直滚动条。我试图从前面的问题中获取数据,但这并不能解决我的问题,请帮助 我需要在按钮单击事件上显示警报对话框Android 滚动视图在警报对话框中不工作,android,scroll,android-alertdialog,Android,Scroll,Android Alertdialog,不知何故,滚动视图不起作用。显示的消息警报对话框非常大,因此我需要实现垂直滚动条。我试图从前面的问题中获取数据,但这并不能解决我的问题,请帮助 我需要在按钮单击事件上显示警报对话框 benefits.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { AlertDialog ad = new
benefits.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog ad = new AlertDialog.Builder(Panchgavya.this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage(getString(R.string.benefits));
ad.setTitle("Benefits");
ad.setButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
ad.show();
TextView textView = (TextView) ad.findViewById(android.R.id.message);
textView.setScroller(new Scroller(Panchgavya.this));
textView.setVerticalScrollBarEnabled(true);
textView.setMovementMethod(new ScrollingMovementMethod());
}
});
我的XML文件代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Design.Panchgavya"
android:orientation="vertical">
<android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="@color/Green"
android:minHeight="?attr/actionBarSize"
android:theme="@style/ThemeOverlay.AppCompat.ActionBar">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Panchgavya"
android:textColor="@color/white"/>
</android.support.v7.widget.Toolbar>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="6"
android:orientation="vertical">
<TextView
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:ellipsize="end"
android:text="@string/panchgavya"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="3"
android:orientation="vertical">
<TextView
android:id="@+id/panchgavya_tv_cow_dung"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Cow Dung"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:textStyle="bold"
android:textColor="@color/black"/>
<TextView
android:id="@+id/panchgavya_tv_cow_urine"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text="Cow Urine"
android:textStyle="bold"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:textColor="@color/black"/>
<TextView
android:id="@+id/panchgavya_tv_cow_milk"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:text="Cow Milk"
android:textStyle="bold"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:textColor="@color/black"/>
<TextView
android:id="@+id/panchgavya_tv_ghee"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:text="Ghee"
android:textStyle="bold"
android:textColor="@color/black"/>
<TextView
android:id="@+id/panchgavya_tv_dahi"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="5dp"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
android:text="Dahi"
android:textStyle="bold"
android:textColor="@color/black"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="vertical"
android:scrollbars="vertical"
android:scrollbarAlwaysDrawVerticalTrack="true">
<Button
android:id="@+id/panchgavya_btn_benefits"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Benefits"
android:background="@color/Green"
android:textColor="@color/white"
/>
</LinearLayout>
</LinearLayout>
//在java文件中输入以下代码
私有void showPopup(){
final AlertDialog.Builder dialogBuilder=新建AlertDialog.Builder(此);
LayoutInflater充气机=this.getLayoutInflater();
最终视图对话框视图=充气机。充气(R.layout.dialog\u术语\u服务,
无效);
dialogBuilder.setView(dialogView);
TextView txtDescription=dialogView.findViewById(R.id.txtDescription);
ImageView imgClose=dialogView.findViewById(R.id.imgClose);
txtDescription.setText(消息);
final AlertDialog b=dialogBuilder.create();
b、 show();
imgClose.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
b、 解雇();
}
});
}
//之后,单击按钮即可调用showPopup()方法。希望它适用于您类扩展
DialogFragment
可以根据您的要求提供UI元素
public class OrderDetailFragment extends DialogFragment{
@Override
public void onStart() {
super.onStart();
Dialog d = getDialog();
if (d!=null){
int width = ViewGroup.LayoutParams.MATCH_PARENT;
int height = ViewGroup.LayoutParams.WRAP_CONTENT;
d.getWindow().setLayout(width, height);
}
}
public static OrderDetailFragment getInstance(GeneralListDataPojo dataList){
OrderDetailFragment orderDetailFragment=new OrderDetailFragment();
Bundle bundle = new Bundle();
bundle.putParcelable(DATA, dataList);
orderDetailFragment.setArguments(bundle);
return orderDetailFragment;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View root_view = inflater.inflate(R.layout.fragment_order_detail, container, false);
GeneralListDataPojo mDataList = getArguments().getParcelable(DATA);//My class which holds data implemented Parcelable
//population of data from mDataList
return root_view;
}
void closeDialog(){
this.dismiss();
}
}
fragment\u order\u detail
包含我的需求特定元素(滚动视图
/线性布局
/按钮
等)
GeneralListDataPojo
是一个类,用于保存数据,实现组件之间的数据传输
现在,您可以像这样从片段
调用这个对话框片段
。(我正在从片段
调用。如果使用的是from活动
,请相应地更改片段管理器
检索)
您可以为对话框创建自定义布局并轻松设置任何属性 根据您的要求,为您所需的对话框包装一个布局。将
android:scrollbars=“vertical”
放在布局内的文本视图中。和textview.setMovementMethod(新的ScrollingMovementMethod())代码>
您可以通过以下方法在计算机上设置自定义布局
public void showDialog(Activity activity, String msg){
final Dialog dialog = new Dialog(activity);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setCancelable(false);
dialog.setContentView(R.layout.dialog);
TextView text = (TextView) dialog.findViewById(R.id.text_dialog);
text.setText(msg);
Button dialogButton = (Button) dialog.findViewById(R.id.btn_dialog);
dialogButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
在自定义布局中使用滚动视图创建自定义对话框布局
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Dialog dialog= new Dialog(getApplicationContext());
dialog.setContentView(R.layout.activity_dialog);
Button click= dialog.findViewById(R.id.click);
click.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
});
尝试DialogFragment,它将有一个单独的布局。。。将可滚动的元素放入其中that@Sreehari你能举个例子吗?我已经给出了我的答案
public void showDialog(Activity activity, String msg){
final Dialog dialog = new Dialog(activity);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setCancelable(false);
dialog.setContentView(R.layout.dialog);
TextView text = (TextView) dialog.findViewById(R.id.text_dialog);
text.setText(msg);
Button dialogButton = (Button) dialog.findViewById(R.id.btn_dialog);
dialogButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Dialog dialog= new Dialog(getApplicationContext());
dialog.setContentView(R.layout.activity_dialog);
Button click= dialog.findViewById(R.id.click);
click.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
});