改造一下就可以了。

layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:id="@+id/item"
    android:layout_height="match_parent">

</LinearLayout>

basedialog 修改为了下面的。。。

package cn.addapp.pickers.common;

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.KeyboardShortcutGroup;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.LinearLayout;

import androidx.annotation.Nullable;

import java.util.List;

import cn.addapp.pickers.util.ScreenUtils;
import cn.addapp.pickers.wheelpicker.R;


public abstract class BasicDialog<V extends View> extends Dialog implements DialogInterface.OnKeyListener,
        DialogInterface.OnDismissListener {

    public static final int MATCH_PARENT = ViewGroup.LayoutParams.MATCH_PARENT;
    public static final int WRAP_CONTENT = ViewGroup.LayoutParams.WRAP_CONTENT;
    protected Activity activity;
    protected int screenWidthPixels;
    protected int screenHeightPixels;
    //    private Dialog dialog;
    private View view;
    private LinearLayout contentLayout;
    private boolean isPrepared = false;

    public BasicDialog(Activity activity) {
        super(activity, R.style.DialogTheme);
        this.activity = activity;
        DisplayMetrics metrics = ScreenUtils.displayMetrics(activity);
        screenWidthPixels = metrics.widthPixels;
        screenHeightPixels = metrics.heightPixels;
        initDialog();
    }

    private void initDialog() {
        view = View.inflate(activity, R.layout.dialog_custom_layout, null);
        contentLayout = view.findViewById(R.id.item);
        setContentView(contentLayout);

        setCanceledOnTouchOutside(true);//触摸屏幕取消窗体
        setCancelable(true);//按返回键取消窗体
        setOnKeyListener(this);
        setOnDismissListener(this);

        Window window = getWindow();
        //设置弹出位置
        window.setGravity(Gravity.BOTTOM);
        //设置对话框大小
        window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

//        setSize(screenWidthPixels, WRAP_CONTENT);
    }

    /**
     * 创建弹窗的内容视图
     *
     * @return the view
     */
    protected abstract V makeContentView();

    /**
     * 设置弹窗的内容视图之前执行
     */
    protected void setContentViewBefore() {
    }

    /**
     * 设置弹窗的内容视图之后执行
     *
     * @param contentView 弹窗的内容视图
     */
    protected void setContentViewAfter(V contentView) {
    }

//    public void setContentView(View view) {
//        contentLayout.removeAllViews();
//        contentLayout.addView(view);
//    }

    public void setFitsSystemWindows(boolean flag) {
        contentLayout.setFitsSystemWindows(flag);
    }

//    public void setCanceledOnTouchOutside(boolean flag) {
//        setCanceledOnTouchOutside(flag);
//        setCancelable(false);
//    }

//    public void setCancelable(boolean flag) {
//        setCancelable(flag);
//    }

//    public void setOnDismissListener(final DialogInterface.OnDismissListener onDismissListener) {
////        setOnDismissListener(new DialogInterface.OnDismissListener() {
////            @Override
////            public void onDismiss(DialogInterface dialog) {
////                onDismiss(dialog);
////                onDismissListener.onDismiss(dialog);
////            }
////        });
////        LogUtils.verbose(this, "popup setOnDismissListener");
//    }
//
//    public void setOnKeyListener(final DialogInterface.OnKeyListener onKeyListener) {
////        setOnKeyListener(new DialogInterface.OnKeyListener() {
////            @Override
////            public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
////                onKey(dialog, keyCode, event);
////                return onKeyListener.onKey(dialog, keyCode, event);
////            }
////        });
////        LogUtils.verbose(this, "popup setOnKeyListener");
//    }

    /**
     * 设置是否需要重新初始化视图，可用于数据刷新
     */
    public void setPrepared(boolean prepared) {
        isPrepared = prepared;
    }

//    public boolean isShowing() {
//        return isShowing();
//    }

    public final void shows() {
        if (isPrepared) {
            show();
            showAfter();
            return;
        }
//        LogUtils.verbose(this, "do something before popup show");
        setContentViewBefore();
        V view = makeContentView();
        setContentView(view);// 设置弹出窗体的布局
        setContentViewAfter(view);
        isPrepared = true;
        show();
        showAfter();
    }

    protected void showAfter() {
//        LogUtils.verbose(this, "popup show");
    }

//    public void dismiss() {
//        dismissImmediately();
//    }

    protected final void dismissImmediately() {
        if (isShowing())
            dismiss();
    }

//    public boolean onBackPress() {
//        dismiss();
//        return false;
//    }
//
    @Override
    public final boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
        if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_BACK) {
//            onBackPress();
            dismiss();
        }
        return false;
    }

    @Override
    public void onDismiss(DialogInterface dialog) {
        dismiss();
    }

//    public Context getContext() {
//        return activity;
//    }

//    public Window getWindow() {
//        return this;
//    }

    /**
     * 弹框的内容视图
     */
    public View getContentView() {
        // IllegalStateException: The specified child already has a parent.
        // You must call removeView() on the child's parent first.
        return contentLayout.getChildAt(0);
    }

    /**
     * 弹框的根视图
     */
    public ViewGroup getRootView() {
        return contentLayout;
    }

    @Override
    public void onProvideKeyboardShortcuts(List<KeyboardShortcutGroup> data, @Nullable Menu menu, int deviceId) {

    }

    @Override
    public void onPointerCaptureChanged(boolean hasCapture) {

    }
}

所有基类就换成这个。。。

show的时候。。。。用shows.........

例如:

fun showdialog(Context context){
val picker = LayoutDatePicker(context)
        picker.setCanLoop(true)
        picker.setWheelModeEnable(true)
        picker.setTopPadding(15)
 
        val config = LineConfig()
        config.color = ContextCompat.getColor(context, R.color.line)//线颜色
        config.alpha = 140//线透明度
        picker.setLineConfig(config)
就是这里的内容了。。。
        picker.shows()
}

Uh oh!

部分手机左右有边距 #46

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