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Android中的对话框AlertDialog施用技能合集
2012-06-28
Android中的对话框AlertDialog应用技能合集文章来自:http://blog.csdn.net/blue6626/article/details/6641
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。?
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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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?
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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(DialogInterface?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(DialogInterface?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(DialogInterface?dialog,?int?whichButton)?{??
????????showDialog("你选择了有趣味的");??
????}??
});??
builder.setNeutralButton("有思惟的",?new?DialogInterface.OnClickListener()?{??
????public?void?onClick(DialogInterface?dialog,?int?whichButton)?{??
????????showDialog("你选择了有思惟的");??????????????????????
????}??
});??
builder.setNegativeButton("主题强的",?new?DialogInterface.OnClickListener()?{??
????public?void?onClick(DialogInterface?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(DialogInterface?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(DialogInterface?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(DialogInterface?dialog,?int?whichButton)?{??
????????????if(mSingleChoiceID?>?0)?{??
????????????showDialog("你选择的是"?+?mSingleChoiceID);??
????????????}??
????????}??
????});??
????builder.setNegativeButton("作废",?new?DialogInterface.OnClickListener()?{??
????????public?void?onClick(DialogInterface?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(DialogInterface?dialog,?int?whichButton)?{??
?????????????//这里添加点击后的逻辑??
?????????}??
?????});??
?????mProgressDialog.setButton2("作废",?new?DialogInterface.OnClickListener()?{??
?????????public?void?onClick(DialogInterface?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(DialogInterface?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(DialogInterface?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(DialogInterface?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(DialogInterface?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(DialogInterface?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();??
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