直接上代码：

布局代码 1.

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:orientation="vertical"

android:padding="20dp">

android:id="@+id/call_phone"

android:layout_width="match_parent"

android:layout_height="35dp"

android:layout_marginLeft="15dp"

android:layout_marginRight="15dp"

android:background="@drawable/ok_to_pay"

android:text="呼叫 13244669955"

android:textColor="@color/white"

android:textSize="16sp" />

android:id="@+id/cancel_btn"

android:layout_width="match_parent"

android:layout_height="35dp"

android:layout_marginLeft="15dp"

android:layout_marginTop="20dp"

android:layout_marginRight="15dp"

android:background="@drawable/ok_to_pay"

android:text="取消"

android:textColor="@color/white"

android:textSize="16sp" />

Java实现代码

View contentView = getLayoutInflater().inflate(R.layout.contact_to_merchant, null);

final Dialog dialog = new Dialog(this, R.style.custom_dialog2_);

dialog.setContentView(contentView);

Window window = dialog.getWindow();

window.setGravity(Gravity.BOTTOM);

WindowManager.LayoutParams params = window.getAttributes();

params.width = WindowManager.LayoutParams.MATCH_PARENT;

params.height = WindowManager.LayoutParams.WRAP_CONTENT;

window.setAttributes(params);

Objects.requireNonNull(dialog.getWindow()).setBackgroundDrawableResource(R.drawable.dialog_top_radios);

dialog.show();

背景样式代码

android:topLeftRadius="15dp"

android:topRightRadius="15dp" />

样式代码

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true

true

true

@null

@android:color/white

@null

true