(笔记)ActionSheetDialog
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ActionSheetDialog
mport java.util.ArrayList;import java.util.List;import android.app.Dialog;import android.content.Context;import android.graphics.Color;import android.view.Display;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.view.WindowManager;import android.widget.LinearLayout;import android.widget.LinearLayout.LayoutParams;import android.widget.ScrollView;import android.widget.TextView;import com.ema.control.R;public class ActionSheetDialog { private Context context; private Dialog dialog; private TextView txt_title; private TextView txt_cancel; private LinearLayout lLayout_content; private ScrollView sLayout_content; private boolean showTitle = false; private List<SheetItem> sheetItemList; private Display display; public ActionSheetDialog(Context context) { this.context = context; WindowManager windowManager = (WindowManager) context .getSystemService(Context.WINDOW_SERVICE); display = windowManager.getDefaultDisplay(); } public ActionSheetDialog builder() { // 获取Dialog布局 View view = LayoutInflater.from(context).inflate( R.layout.toast_view_actionsheet, null); // 设置Dialog最小宽度为屏幕宽度 view.setMinimumWidth(display.getWidth()); // 获取自定义Dialog布局中的控件 sLayout_content = (ScrollView) view.findViewById(R.id.sLayout_content); lLayout_content = (LinearLayout) view .findViewById(R.id.lLayout_content); txt_title = (TextView) view.findViewById(R.id.txt_title); txt_cancel = (TextView) view.findViewById(R.id.txt_cancel); txt_cancel.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { dialog.dismiss(); } }); // 定义Dialog布局和参数 dialog = new Dialog(context, R.style.ActionSheetDialogStyle); dialog.setContentView(view); Window dialogWindow = dialog.getWindow(); dialogWindow.setGravity(Gravity.LEFT | Gravity.BOTTOM); WindowManager.LayoutParams lp = dialogWindow.getAttributes(); lp.x = 0; lp.y = 0; dialogWindow.setAttributes(lp); return this; } public ActionSheetDialog setTitle(String title) { showTitle = true; txt_title.setVisibility(View.VISIBLE); txt_title.setText(title); return this; } public ActionSheetDialog setCancelable(boolean cancel) { dialog.setCancelable(cancel); return this; } public ActionSheetDialog setCanceledOnTouchOutside(boolean cancel) { dialog.setCanceledOnTouchOutside(cancel); return this; } /** * * @param strItem * 条目名称 * @param color * 条目字体颜色,设置null则默认蓝色 * @param listener * @return */ public ActionSheetDialog addSheetItem(String strItem, SheetItemColor color, OnSheetItemClickListener listener) { if (sheetItemList == null) { sheetItemList = new ArrayList<SheetItem>(); } sheetItemList.add(new SheetItem(strItem, color, listener)); return this; } /** 设置条目布局 */ private void setSheetItems() { if (sheetItemList == null || sheetItemList.size() <= 0) { return; } int size = sheetItemList.size(); // TODO 高度控制,非最佳解决办法 // 添加条目过多的时候控制高度 if (size >= 7) { LayoutParams params = (LayoutParams) sLayout_content .getLayoutParams(); params.height = display.getHeight() / 2; sLayout_content.setLayoutParams(params); } // 循环添加条目 for (int i = 1; i <= size; i++) { final int index = i; SheetItem sheetItem = sheetItemList.get(i - 1); String strItem = sheetItem.name; SheetItemColor color = sheetItem.color; final OnSheetItemClickListener listener = (OnSheetItemClickListener) sheetItem.itemClickListener; TextView textView = new TextView(context); textView.setText(strItem); textView.setTextSize(18); textView.setGravity(Gravity.CENTER); // 背景图片 if (size == 1) { if (showTitle) { textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector); } else { textView.setBackgroundResource(R.drawable.actionsheet_single_selector); } } else { if (showTitle) { if (i >= 1 && i < size) { textView.setBackgroundResource(R.drawable.actionsheet_middle_selector); } else { textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector); } } else { if (i == 1) { textView.setBackgroundResource(R.drawable.actionsheet_top_selector); } else if (i < size) { textView.setBackgroundResource(R.drawable.actionsheet_middle_selector); } else { textView.setBackgroundResource(R.drawable.actionsheet_bottom_selector); } } } // 字体颜色 if (color == null) { textView.setTextColor(Color.parseColor(SheetItemColor.Blue .getName())); } else { textView.setTextColor(Color.parseColor(color.getName())); // textView.setBackgroundResource(R.drawable.ic_launcher); } // 高度 float scale = context.getResources().getDisplayMetrics().density; int height = (int) (45 * scale + 0.5f); textView.setLayoutParams(new LayoutParams( LayoutParams.MATCH_PARENT, height)); // 点击事件 textView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { listener.onClick(index); dialog.dismiss(); } }); lLayout_content.addView(textView); } } public void show() { setSheetItems(); dialog.show(); } public interface OnSheetItemClickListener { void onClick(int which); } public class SheetItem { String name; OnSheetItemClickListener itemClickListener; SheetItemColor color; public SheetItem(String name, SheetItemColor color, OnSheetItemClickListener itemClickListener) { this.name = name; this.color = color; this.itemClickListener = itemClickListener; } } public enum SheetItemColor { Blue("#037BFF"), Red("#FD4A2E"); private String name; private SheetItemColor(String name) { this.name = name; } public String getName() { return name; } public void setName(String name) { this.name = name; } }}
toast_view_actionsheet.xml<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:padding="8dp" > <TextView android:id="@+id/txt_title" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@drawable/toast_actionsheet_top_normal" android:gravity="center" android:minHeight="45dp" android:paddingTop="10dp" android:paddingBottom="10dp" android:paddingLeft="15dp" android:paddingRight="15dp" android:textColor="@color/actionsheet_gray" android:textSize="13sp" android:visibility="gone" /> <ScrollView android:id="@+id/sLayout_content" android:layout_width="match_parent" android:layout_height="wrap_content" android:fadingEdge="none" > <LinearLayout android:id="@+id/lLayout_content" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > </LinearLayout> </ScrollView> <TextView android:id="@+id/txt_cancel" android:layout_width="match_parent" android:layout_height="45dp" android:layout_marginTop="8dp" android:background="@drawable/actionsheet_single_selector" android:gravity="center" android:text="取消" android:textColor="@color/actionsheet_blue" android:textSize="18sp" android:textStyle="bold" /></LinearLayout>
style
<style name="ActionSheetDialogStyle" parent="@android:style/Theme.Dialog"> <!-- 背景透明 --> <item name="android:windowBackground">@android:color/transparent</item> <item name="android:windowContentOverlay">@null</item> <!-- 浮于Activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 边框 --> <item name="android:windowFrame">@null</item> <!-- Dialog以外的区域模糊效果 --> <item name="android:backgroundDimEnabled">true</item> <!-- 无标题 --> <item name="android:windowNoTitle">true</item> <!-- 半透明 --> <item name="android:windowIsTranslucent">true</item> <!-- Dialog进入及退出动画 --> <item name="android:windowAnimationStyle">@style/ActionSheetDialogAnimation</item> </style>
使用
new ActionSheetDialog(controllerPanelActivity) .builder() .setTitle("选择模式") .setCancelable(false) .setCanceledOnTouchOutside(false) .addSheetItem("制冷", ActionSheetDialog.SheetItemColor.Blue, new ActionSheetDialog.OnSheetItemClickListener() { @Override public void onClick(int which) { SpUtil.changeAirConditionMode = "cool"; controllerPanelActivity.showModeChange("cool"); } }) .addSheetItem("制热", ActionSheetDialog.SheetItemColor.Blue, new ActionSheetDialog.OnSheetItemClickListener() { @Override public void onClick(int which) { SpUtil.changeAirConditionMode = "heat"; controllerPanelActivity.showModeChange("heat"); } }) .addSheetItem("送风", ActionSheetDialog.SheetItemColor.Blue, new ActionSheetDialog.OnSheetItemClickListener() { @Override public void onClick(int which) { SpUtil.changeAirConditionMode = "fan"; controllerPanelActivity.showModeChange("fan"); } }) .addSheetItem("自动", ActionSheetDialog.SheetItemColor.Blue, new ActionSheetDialog.OnSheetItemClickListener() { @Override public void onClick(int which) { SpUtil.changeAirConditionMode = "auto"; controllerPanelActivity.showModeChange("auto"); } }) .addSheetItem("除湿", ActionSheetDialog.SheetItemColor.Blue, new ActionSheetDialog.OnSheetItemClickListener() { @Override public void onClick(int which) { SpUtil.changeAirConditionMode = "dry"; controllerPanelActivity.showModeChange("dry"); } }).show();
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