Android中的对话框AlertDialog应用技能合集
文章来自:http://blog.csdn.net/blue6626/article/details/6641105
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今天我用本身写的一个Demo 和大师具体介绍一个Android中的对话框的应用技能。??

1.断定作废对话框
对话框中有2个按钮?? 经由过程调用 setPositiveButton 办法 和 setNegativeButton 办法 可以设置按钮的显示内容以及按钮的监听事务。
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我们应用AlerDialog 创建对话框view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???
应用builder设置对话框的title button icon 等等
view plain
- builder.setIcon(R.drawable.icon);??
- ???????builder.setTitle("你断定要分开吗?");??
- ???????builder.setPositiveButton("断定",?new?DialogInterface.OnClickListener()?{??
- ???????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ???????????????//这里添加点击断定后的逻辑??
- ???????????????showDialog("你选择了断定");??
- ???????????}??
- ???????});??
- ???????builder.setNegativeButton("作废",?new?DialogInterface.OnClickListener()?{??
- ???????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ???????????????//这里添加点击断定后的逻辑??
- ???????????????showDialog("你选择了作废");??
- ???????????}??
- ???????});??
- ???????builder.create().show();??
??这个dialog用于实际onClick后监听的内容信息
view plain
- private?void?showDialog(String?str)?{??
- w?AlertDialog.Builder(MainDialog.this)??
- ?????.setMessage(str)??
- ?????.show();??
- }??
2.多个按钮信息框


view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???????????
- builder.setIcon(R.drawable.icon);??
- builder.setTitle("投票");??
- builder.setMessage("您认为什么样的内容能吸引您?");??
- builder.setPositiveButton("有趣味的",?new?DialogInterface.OnClickListener()?{??
- ????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????showDialog("你选择了有趣味的");??
- ????}??
- });??
- builder.setNeutralButton("有思惟的",?new?DialogInterface.OnClickListener()?{??
- ????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????showDialog("你选择了有思惟的");??????????????????????
- ????}??
- });??
- builder.setNegativeButton("主题强的",?new?DialogInterface.OnClickListener()?{??
- ????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????showDialog("你选择了主题强的");????
- ????}??
- });??
- builder.create().show();??
3.列表框

这个数组用于列表选择
view plain
- final?String[]?mItems?=?{"item0","item1","itme2","item3","itme4","item5","item6"};??
view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???
- ????????builder.setTitle("列表选择框");??
- ????????builder.setItems(mItems,?new?DialogInterface.OnClickListener()?{??
- ????????????public?void?onClick—ialogInterface?dialog,?int?which)?{??
- ????????????????//点击后弹出窗口选择了第几项??
- ????????????????showDialog("你选择的id为"?+?which?+?"?,?"?+?mItems[which]);??
- ????????????}??
- ????????});??
- ????????builder.create().show();??
4.单项选择列表框


mSingleChoice 用于记录单选中的ID
view plain
- int?mSingleChoiceID?=?-1;??
view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???
- ??
- mSingleChoiceID?=?-1;??
- builder.setIcon(R.drawable.icon);??
- ????builder.setTitle("单项选择");??
- ????builder.setSingleChoiceItems(mItems,?0,?new?DialogInterface.OnClickListener()?{??
- ????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????????????mSingleChoiceID?=?whichButton;??
- ????????????????showDialog("你选择的id为"?+?whichButton?+?"?,?"?+?mItems[whichButton]);??
- ????????}??
- ????});??
- ????builder.setPositiveButton("断定",?new?DialogInterface.OnClickListener()?{??
- ????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????????if(mSingleChoiceID?>?0)?{??
- ????????????showDialog("你选择的是"?+?mSingleChoiceID);??
- ????????????}??
- ????????}??
- ????});??
- ????builder.setNegativeButton("作废",?new?DialogInterface.OnClickListener()?{??
- ????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ??
- ????????}??
- ????});??
- ???builder.create().show();??
5.进度条框

点击进度条框按钮后 开启一个线程策画读取的进度 假设读取停止为 100
Progress在小于100的时辰一向在线程中做轮回++ 只到读取停止后,停止线程。
view plain
- ??????????mProgressDialog?=?new?ProgressDialog(MainDialog.this);??
- ?????mProgressDialog.setIcon(R.drawable.icon);??
- ?????mProgressDialog.setTitle("进度条窗口");??
- ?????mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);??
- ?????mProgressDialog.setMax(MAX_PROGRESS);??
- ?????mProgressDialog.setButton("断定",?new?DialogInterface.OnClickListener()?{??
- ?????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ?????????????//这里添加点击后的逻辑??
- ?????????}??
- ?????});??
- ?????mProgressDialog.setButton2("作废",?new?DialogInterface.OnClickListener()?{??
- ?????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ?????????????//这里添加点击后的逻辑??
- ?????????}??
- ?????});??
- ?????mProgressDialog.show();??
- ?????new?Thread(this).start();??
- ??
- ic?void?run()?{??
- int?Progress?=?0;??
- while(Progress?<?MAX_PROGRESS)?{??
- try?{??
- ????Thread.sleep(100);??
- ????Progress++;????
- ????mProgressDialog.incrementProgressBy(1);??
- }?catch?(InterruptedException?e)?{??
- ????//?TODO?Auto-generated?catch?block??
- ????e.printStackTrace();??
- }??
- ???
- }??
6.多项选择列表框


MultiChoiceID 用于记录多选选中的id号 存在ArrayList中
选中后 add 进ArrayList
作废选中后 remove 出ArrayList。
view plain
- ArrayList?<Integer>MultiChoiceID?=?new?ArrayList?<Integer>();??
view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???
- ??
- MultiChoiceID.clear();??
- builder.setIcon(R.drawable.icon);??
- ????builder.setTitle("多项选择");??
- ????builder.setMultiChoiceItems(mItems,??
- ????????????new?boolean[]{false,?false,?false,?false,?false,?false,?false},??
- ????????????new?DialogInterface.OnMultiChoiceClickListener()?{??
- ????????????????public?void?onClick—ialogInterface?dialog,?int?whichButton,??
- ????????????????????????boolean?isChecked)?{??
- ???????????????????if(isChecked)?{??
- ???????????????????????MultiChoiceID.add(whichButton);??
- ???????????????????????showDialog("你选择的id为"?+?whichButton?+?"?,?"?+?mItems[whichButton]);??
- ???????????????????}else?{??
- ???????????????????????MultiChoiceID.remove(whichButton);??
- ???????????????????}??
- ??????????????????????
- ????????????????}??
- ????????????});??
- ????builder.setPositiveButton("断定",?new?DialogInterface.OnClickListener()?{??
- ????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ????????????String?str?=?"";??
- ????????????int?size?=?MultiChoiceID.size();??
- ????????????for?(int?i?=?0?;i?<?size;?i++)?{??
- ????????????str+=?mItems[MultiChoiceID.get(i)]?+?",?";??
- ????????????}??
- ????????????showDialog("你选择的是"?+?str);??
- ????????}??
- ????});??
- ????builder.setNegativeButton("作废",?new?DialogInterface.OnClickListener()?{??
- ????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ??
- ????????}??
- ????});??
- ???builder.create().show();??
7.自定义布局

讲到自定义布局我就得多说一说了,为什么要多说一说呢??
其实自定义布局在Android的开辟中很是首要 因为它能让开辟者做出本身花团锦簇的Activity 而不消去应用体系呆板的界面。
自定义dialog有什么益处?
比如我们在开辟过长傍边 要经由过程介绍体系发送的一个广播弹出一个dialog . 然则dialog必须是基于activity才干浮现出来 若是没有activity 的话 法度就会溃散。所以我们可以写一个自定义的 dialog 把它定义成一个activity
如许我们收到一条打开dialog的广播后 直接启动这个 activity? 法度正常运行~~?
这就是自定义dialog的益处。
注明:下面这个例子只是写了自定义dialog 没有把它零丁的写在一个activity中 若是必要的话 可以本身改一下。
view plain
- AlertDialog.Builder?builder?=?new?AlertDialog.Builder(MainDialog.this);???
- ?LayoutInflater?factory?=?LayoutInflater.(this);??
- ?final?View?textEntryView?=?factory.inflate(R.layout.test,?null);??
- ?????builder.setIcon(R.drawable.icon);??
- ?????builder.setTitle("自定义输入框");??
- ?????builder.setView(textEntryView);??
- ?????builder.setPositiveButton("断定",?new?DialogInterface.OnClickListener()?{??
- ?????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ???????????
- ?????????EditText?userName?=?(EditText)?textEntryView.findViewById(R.id.etUserName);??
- ?????????EditText?password?=?(EditText)?textEntryView.findViewById(R.id.etPassWord);??
- ?????????showDialog("姓名?:"??+?userName.getText().toString()??+?"暗码:"?+?password.getText().toString()?);??
- ?????????}??
- ?????});??
- ?????builder.setNegativeButton("作废",?new?DialogInterface.OnClickListener()?{??
- ?????????public?void?onClick—ialogInterface?dialog,?int?whichButton)?{??
- ??
- ?????????}??
- ?????});??
- ???builder.create().show();??
view plain
- <span?style="color:#000000;"><?xml?version="1.0"?encoding="utf-8"?>??
- <RelativeLayout?xmlns:android="http://schemas.android.com/apk/res/android"??
- android:layout_height="wrap_content"???
- android:layout_width="wrap_content"??
- android:orientation="horizontal"??
- android:id="@+id/dialog">??
- <LinearLayout??
- android:layout_height="wrap_content"???
- android:layout_width="wrap_content"??
- android:orientation="horizontal"??
- android:id="@+id/dialogname">??
- ??
- <TextView?android:layout_height="wrap_content"??
- ???android:layout_width="wrap_content"??
- ??android:id="@+id/tvUserName"???
- ??android:text="姓名:"?/>??
- <EditText?android:layout_height="wrap_content"??
- ??android:layout_width="wrap_content"???
- ??android:id="@+id/etUserName"???
- ??android:minWidth="200dip"/>??
- </LinearLayout>????
- <LinearLayout??
- android:layout_height="wrap_content"???
- android:layout_width="wrap_content"??
- android:orientation="horizontal"??
- android:id="@+id/dialognum"??
- ?android:layout_below="@+id/dialogname"??
- >??
- ??<TextView?android:layout_height="wrap_content"??
- ???android:layout_width="wrap_content"??
- ??android:id="@+id/tvPassWord"???
- ??android:text="暗码:"?/>??
- <EditText?android:layout_height="wrap_content"??
- ??android:layout_width="wrap_content"???
- ??android:id="@+id/etPassWord"???
- ??android:minWidth="200dip"/>??
- ?</LinearLayout>????
- ??</RelativeLayout></span>??
8.读取进度框
显示一个正在转圈的进度条loading
view plain
- mProgressDialog?=?new?ProgressDialog(this);??
- ?mProgressDialog.setTitle("读取ing");??
- ?mProgressDialog.setMessage("正在读取中请稍候");??
- ?mProgressDialog.setIndeterminate(true);??
- ?mProgressDialog.setCancelable(true);??
- ?mProgressDialog.show();??