AlertDialog 使用大全（API Sample）
1、從api sample 中取出來的代碼 包括了 AlertDialog 的基本用法
package com.zhx.customscrollview;
import java.util.ArrayList;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
/**
*
* 希望有一天可以開源出來 org.zhx
*
* @version 1.0, 2016-2-2 下午10:41:13
* @author zhx
*/
public class MainDialog extends Activity implements Runnable {
/** 確定取消信息框 **/
private static final int DIALOG_0 = 1;
/** 多個按鈕信息框 **/
private static final int DIALOG_1 = 2;
/** 列表框 **/
private static final int DIALOG_2 = 3;
/** 進度條框 **/
private static final int DIALOG_3 = 4;
/** 單項選擇列表框 **/
private static final int DIALOG_4 = 5;
/** 多項選擇列表框 **/
private static final int DIALOG_5 = 6;
/** 自定義佈局 **/
private static final int DIALOG_6 = 7;
/** 讀取進度框 **/
private static final int DIALOG_7 = 8;
private static final int DIALOG_8 = 9;
private static final int MAX_PROGRESS = 100;
private ProgressDialog mProgressDialog = null;
final String[] mItems = { "item0", "item1", "itme2", "item3", "itme4",
"item5", "item6" };
int mSingleChoiceID = -1;
ArrayList<Integer> MultiChoiceID = new ArrayList<Integer>();
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button0 = (Button) findViewById(R.id.button0);
button0.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_0);
}
});
Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_1);
}
});
Button button2 = (Button) findViewById(R.id.button2);
button2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_2);
}
});
Button button3 = (Button) findViewById(R.id.button3);
button3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_3);
mProgressDialog.setProgress(0);
}
});
Button button4 = (Button) findViewById(R.id.button4);
button4.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_4);
}
});
findViewById(R.id.button8).setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_8);
}
});
Button button5 = (Button) findViewById(R.id.button5);
button5.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_5);
}
});
Button button6 = (Button) findViewById(R.id.button6);
button6.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_6);
}
});
Button button7 = (Button) findViewById(R.id.button7);
button7.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
CreatDialog(DIALOG_7);
}
});
}
public void CreatDialog(int id) {
AlertDialog.Builder builder = new AlertDialog.Builder(MainDialog.this);
switch (id) {
case DIALOG_0:
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("你確定要離開嗎？");
builder.setPositiveButton("確定",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// 這裏添加點擊確定後的邏輯
showDialog("你選擇了確定");
}
});
builder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// 這裏添加點擊確定後的邏輯
showDialog("你選擇了取消");
}
});
break;
case DIALOG_1:
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("投票");
builder.setMessage("您認爲什麼樣的內容能吸引您？");
builder.setPositiveButton("有趣味的",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
showDialog("你選擇了有趣味的");
}
});
builder.setNeutralButton("有思想的",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
showDialog("你選擇了有思想的");
}
});
builder.setNegativeButton("主題強的",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
showDialog("你選擇了主題強的");
}
});
break;
case DIALOG_2:
builder.setTitle("列表選擇框");
builder.setItems(mItems, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 點擊後彈出窗口選擇了第幾項
showDialog("你選擇的id爲" + which + " , " + mItems[which]);
}
});
break;
case DIALOG_3:
mProgressDialog = new ProgressDialog(MainDialog.this);
mProgressDialog.setIcon(R.drawable.ic_launcher);
mProgressDialog.setTitle("進度條窗口");
mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
mProgressDialog.setMax(MAX_PROGRESS);
mProgressDialog.setButton("確定",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// 這裏添加點擊後的邏輯
}
});
mProgressDialog.setButton2("取消",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
// 這裏添加點擊後的邏輯
}
});
mProgressDialog.show();
new Thread(this).start();
return;
case DIALOG_4:
mSingleChoiceID = -1;
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("單項選擇");
builder.setSingleChoiceItems(mItems, 0,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
mSingleChoiceID = whichButton;
showDialog("你選擇的id爲" + whichButton + " , "
+ mItems[whichButton]);
}
});
builder.setPositiveButton("確定",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
if (mSingleChoiceID > 0) {
showDialog("你選擇的是" + mSingleChoiceID);
}
}
});
builder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
}
});
break;
case DIALOG_5:
MultiChoiceID.clear();
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("多項選擇");
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("你選擇的id爲" + whichButton + " , "
+ mItems[whichButton]);
} else {
MultiChoiceID.remove(whichButton);
}
}
});
builder.setPositiveButton("確定",
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("你選擇的是" + str);
}
});
builder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
}
});
break;
case DIALOG_6:
LayoutInflater factory = LayoutInflater.from(this);
final View textEntryView = factory.inflate(R.layout.test, null);
builder.setIcon(R.drawable.ic_launcher);
builder.setTitle("自定義輸入框");
builder.setView(textEntryView);
builder.setPositiveButton("確定",
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()
+ "密碼：" + password.getText().toString());
}
});
builder.setNegativeButton("取消",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,
int whichButton) {
}
});
break;
case DIALOG_8:
builder.setItems(mItems, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// 點擊後彈出窗口選擇了第幾項
showDialog("你選擇的id爲" + which + " , " + mItems[which]);
}
});
break;
case DIALOG_7:
mProgressDialog = new ProgressDialog(this);
mProgressDialog.setTitle("讀取ing");
mProgressDialog.setMessage("正在讀取中請稍候");
mProgressDialog.setIndeterminate(true);
mProgressDialog.setCancelable(true);
mProgressDialog.show();
return;
}
builder.create().show();
}
private void showDialog(String str) {
new AlertDialog.Builder(MainDialog.this).setMessage(str).show();
}
@Override
public 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();
}
}
}
}
2 、配置文件 xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/screen"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ImageView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/ic_launcher" />
<Button
android:id="@+id/button0"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="確定取消信息框" />
<Button
android:id="@+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="多個按鈕信息框" />
<Button
android:id="@+id/button2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="列表框" />
<Button
android:id="@+id/button3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="進度條框" />
<Button
android:id="@+id/button4"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="單項選擇列表框" />
<Button
android:id="@+id/button5"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="多項選擇列表框" />
<Button
android:id="@+id/button6"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="自定義佈局" />
<Button
android:id="@+id/button7"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="讀取進度框" />
<Button
android:id="@+id/button8"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="沒有title" />
</LinearLayout>
</ScrollView>
<?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="密碼：" />
<EditText android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:id="@+id/etPassWord"
android:minWidth="200dip"/>
</LinearLayout>
</RelativeLayout>