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我有我的Android application.it自定义对话框中显示的图像和文本与左边两个按钮和right.Here是我的对话框如何显示自定义对话框，在中心
public class GalleryPopUp extends Dialog {
private Context context;
private ArrayList<Bitmap> bitmapList = null;
private List<News> homeNewsList = null;
private Button btnArrowLeft;
private Button btnArrowRight;
private ImageView imageView;
private int selectedIndex = 0;
private TextView textView;
static final RelativeLayout.LayoutParams FILL = new RelativeLayout.LayoutParams(
LayoutParams.FILL_PARENT,
LayoutParams.FILL_PARENT);
public GalleryPopUp(Context context, ArrayList<Bitmap> bitmapList,
List<News> homeNewsList, int selectedIndex) {
super(context, android.R.style.Theme_Translucent_NoTitleBar);
this.context = context;
this.bitmapList = bitmapList;
this.homeNewsList = homeNewsList;
this.selectedIndex = selectedIndex;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.gallery_popup, null);
btnArrowLeft = (Button)view.findViewById(R.id.btnArrowLeft);
btnArrowRight = (Button)view. findViewById(R.id.btnArrowRight);
imageView = (ImageView) view.findViewById(R.id.imageView);
textView = (TextView)view. findViewById(R.id.textView);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageView.setImageBitmap(bitmapList.get(selectedIndex));
News news = homeNewsList.get(selectedIndex);
textView.setTextSize(15);
textView.setTypeface(TypeFaceUtils.TYPEFACE_THOOLIKA);
textView.setText(news.getNewsTitle());
btnArrowLeft.setOnClickListener(listenerbtnArrowLeft);
btnArrowRight.setOnClickListener(listenerbtnArrowRight);
setContentView(view);
}
private android.view.View.OnClickListener listenerbtnArrowLeft = new android.view.View.OnClickListener() {
@Override
public void onClick(View v) {
selectedIndex = selectedIndex - 1;
if (selectedIndex < homeNewsList.size() && selectedIndex >= 0) {
imageView.setImageBitmap(bitmapList.get(selectedIndex));
News news = homeNewsList.get(selectedIndex);
textView.setTypeface(TypeFaceUtils.TYPEFACE_THOOLIKA);
textView.setText(news.getNewsTitle());
}
else
{
GalleryPopUp.this.dismiss();
}
}
};
private android.view.View.OnClickListener listenerbtnArrowRight = new android.view.View.OnClickListener() {
@Override
public void onClick(View v) {
selectedIndex = selectedIndex + 1;
if (selectedIndex < homeNewsList.size()) {
imageView.setImageBitmap(bitmapList.get(selectedIndex));
News news = homeNewsList.get(selectedIndex);
textView.setTypeface(TypeFaceUtils.TYPEFACE_THOOLIKA);
textView.setText(news.getNewsTitle());
}
else
{
GalleryPopUp.this.dismiss();
}
}
};
}
gallery_popup.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relativeLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/imageView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true" />
<TextView
android:id="@+id/textView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/imageView"
android:layout_gravity="center_horizontal|bottom"
android:gravity="center_horizontal"
android:text=""
android:textColor="#000000" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/imageView"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/imageView"
android:gravity="center" >
<Button
android:id="@+id/btnArrowRight"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/btn_arrow_right" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/imageView"
android:layout_alignParentLeft="true"
android:layout_alignTop="@+id/imageView"
android:gravity="center" >
<Button
android:id="@+id/btnArrowLeft"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_centerVertical="true"
android:background="@drawable/btn_arrow_left" />
</LinearLayout>
</RelativeLayout>
我该如何显示这个对话正好在父母的中心。
可能是主题的问题..尝试使用不同的.. – Ronnie
现在怎么出现的？ – sujith
现在它显示在顶部 –