安卓两种底部弹出窗dialog实现方式

package com.kx.kxbottomdialog; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.os.Bundle; import android.support.annotation.NonNull; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import java.util.List; /** * @ 创建： kx * @ 时间: 2018/10/22 * @ 描述: */ public class BottomCirTraDialog extends Dialog implements AdapterView.OnItemClickListener { private List<String> mList; private SelectDialogListener mListener; private Activity mActivity; private boolean mUseCustomColor = false; private int mFirstItemColor; private int mOtherItemColor; private Button mBtnCancel; public BottomCirTraDialog(@NonNull Context context) { super(context); } public BottomCirTraDialog(Activity activity, int theme, SelectDialogListener listener, List<String> names) { super(activity, theme); mActivity = activity; mListener = listener; mList = names; //点击Dialog外部消失 setCanceledOnTouchOutside(true); } public interface SelectDialogListener { void onItemClick(AdapterView<?> parent, View view, int position, long id); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); View view = getLayoutInflater().inflate(R.layout.dialog_exam_type, null); setContentView(view, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); Window window = getWindow(); //设置动画 window.setWindowAnimations(R.style.main_menu_animstyle); WindowManager.LayoutParams attributes = window.getAttributes(); attributes.x = 0; attributes.y = mActivity.getWindowManager().getDefaultDisplay().getHeight(); //保证按钮水平满屏 attributes.width = ViewGroup.LayoutParams.MATCH_PARENT; attributes.height = ViewGroup.LayoutParams.WRAP_CONTENT; //设置显示位置 onWindowAttributesChanged(attributes); initView(); } private void initView() { DialogAdapter dialogAdapter = new DialogAdapter(mList); ListView listView = findViewById(R.id.dialog_list); mBtnCancel = (Button) findViewById(R.id.btn_cancel); listView.setOnItemClickListener(this); listView.setAdapter(dialogAdapter); mBtnCancel.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if(mCancelListener != null){ mCancelListener.onCancelClick(v); } dismiss(); } }); } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { mListener.onItemClick(parent, view, position, id); dismiss(); } private class DialogAdapter extends BaseAdapter { private List<String> mStrings; private Viewholder viewholder; private LayoutInflater layoutInflater; public DialogAdapter(List<String> strings) { this.mStrings = strings; this.layoutInflater = mActivity.getLayoutInflater(); } @Override public int getCount() { return mStrings.size(); } @Override public Object getItem(int position) { return mStrings.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { if (null == convertView) { viewholder = new Viewholder(); convertView = layoutInflater.inflate(R.layout.view_dialog_item, null); viewholder.dialogItemButton = (TextView) convertView.findViewById(R.id.dialog_item_bt); convertView.setTag(viewholder); } else { viewholder = (Viewholder) convertView.getTag(); } viewholder.dialogItemButton.setText(mStrings.get(position)); if (!mUseCustomColor) { mFirstItemColor = mActivity.getResources().getColor(R.color.color_0073FF); mOtherItemColor = mActivity.getResources().getColor(R.color.color_0073FF); } //根据数量 设置圆角 数量为1,其他上下,剩余中 if (1 == mStrings.size()) { viewholder.dialogItemButton.setTextColor(mFirstItemColor); viewholder.dialogItemButton.setBackgroundResource(R.drawable.dialog_item_bg_only); } else if (position == 0) { viewholder.dialogItemButton.setTextColor(mFirstItemColor); viewholder.dialogItemButton.setBackgroundResource(R.drawable.select_dialog_item_bg_top); } else if (position == mStrings.size() - 1) { viewholder.dialogItemButton.setTextColor(mOtherItemColor); viewholder.dialogItemButton.setBackgroundResource(R.drawable.select_dialog_item_bg_buttom); } else { viewholder.dialogItemButton.setTextColor(mOtherItemColor); viewholder.dialogItemButton.setBackgroundResource(R.drawable.select_dialog_item_bg_center); } return convertView; } } public static class Viewholder { public TextView dialogItemButton; } /** * 取消事件监听接口 * */ private SelectDialogCancelListener mCancelListener; public interface SelectDialogCancelListener { void onCancelClick(View v); } }