private void showDialog()

	{

		mDialog = new Dialog(this);

		mDialog.setCanceledOnTouchOutside(true);

		Window dialogWindow = mDialog.getWindow();

		dialogWindow.setBackgroundDrawable(new ColorDrawable(0));

		dialogWindow.setContentView(R.layout.set_public_client_dialog);

		mDialog.show();

		Button cancelbtn = (Button) dialogWindow.findViewById(R.id.cancelbtn);

		cancelbtn.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				mDialog.dismiss();

			}

		});

		Button confirmbtn = (Button) dialogWindow.findViewById(R.id.confirmbtn);

		confirmbtn.setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				mDialog.dismiss();

			}

		});

	}

<?xml version="1.0" encoding="utf-8"?

>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="306dp"

    android:layout_height="262dp"

    android:layout_gravity="center"

    android:background="@drawable/followupdialog_306_202" >

    <FrameLayout

        android:layout_width="140dp"

        android:layout_height="32dp"

        android:layout_marginLeft="-4dp"

        android:layout_marginTop="7dp"

        android:background="@drawable/redrobin_89_32" >

        <TextView

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_gravity="top"

            android:layout_marginLeft="13dp"

            android:layout_marginTop="4dp"

            android:text="@string/set_public_reason"

            android:textColor="@color/white"

            android:textSize="15sp" />

    </FrameLayout>

    <EditText

        android:id="@+id/et_additional_reason"

        android:layout_width="257dp"

        android:layout_height="33dp"

        android:layout_above="@+id/bottom_btns"

        android:layout_centerHorizontal="true"

        android:layout_marginBottom="3dp"

        android:background="@drawable/redline_257_33"

        android:hint="@string/et_additional_reason_hint"

        android:paddingLeft="5dp"

        android:singleLine="true"

        android:textSize="14sp" />

    <LinearLayout

        android:id="@+id/bottom_btns"

        android:layout_width="299dp"

        android:layout_height="44dp"

        android:layout_alignParentBottom="true"

        android:layout_marginBottom="6dp"

        android:layout_marginLeft="7dp"

        android:layout_marginRight="1dp"

        android:orientation="horizontal" >

        <Button

            android:id="@+id/cancelbtn"

            android:layout_width="0dp"

            android:layout_height="fill_parent"

            android:layout_weight="1"

            android:background="@drawable/followupdialogbtn"

            android:text="@string/cancel"

            android:textColor="@color/black" />

        <ImageView

            android:layout_width="0dp"

            android:layout_height="fill_parent"

            android:layout_weight="0.01"

            android:background="@color/linecolor" />

        <Button

            android:id="@+id/confirmbtn"

            android:layout_width="0dp"

            android:layout_height="fill_parent"

            android:layout_weight="1"

            android:background="@drawable/followupdialogbtn"

            android:text="@string/confirm"

            android:textColor="@color/black" />

    </LinearLayout>

    <ImageView

        android:layout_width="299dp"

        android:layout_height="0.5dp"

        android:layout_above="@id/bottom_btns"

        android:layout_marginLeft="7dp"

        android:background="@color/linecolor" />

</RelativeLayout>