AlertDialog 用法大全
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AlertDialog 使用大全（API Sample）
1、从api sample 中取出来的代码 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;/** * * 希望有一天可以开源出来 org.zhx * * @version 1.0, 2016-2-2 下午10:41:13 * @author zhx */public class MainDialog extends Activity implements Runnable { /** 确定取消信息框 **/ private static final int DIALOG_0 = 1; /** 多个按钮信息框 **/ private static final int DIALOG_1 = 2; /** 列表框 **/ private static final int DIALOG_2 = 3; /** 进度条框 **/ private static final int DIALOG_3 = 4; /** 单项选择列表框 **/ private static final int DIALOG_4 = 5; /** 多项选择列表框 **/ private static final int DIALOG_5 = 6; /** 自定义布局 **/ private static final int DIALOG_6 = 7; /** 读取进度框 **/ 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("你确定要离开吗？"); builder.setPositiveButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // 这里添加点击确定后的逻辑 showDialog("你选择了确定"); } }); builder.setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // 这里添加点击确定后的逻辑 showDialog("你选择了取消"); } }); break; case DIALOG_1: builder.setIcon(R.drawable.ic_launcher); 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("有思想的", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { showDialog("你选择了有思想的"); } }); 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"); } }); break; case DIALOG_2: 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]); } }); break; case DIALOG_3: mProgressDialog = new ProgressDialog(MainDialog.this); mProgressDialog.setIcon(R.drawable.ic_launcher); mProgressDialog.setTitle("进度条窗口"); mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mProgressDialog.setMax(MAX_PROGRESS); mProgressDialog.setButton("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { // 这里添加点击后的逻辑 } }); mProgressDialog.setButton2("取消", 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(); return; case DIALOG_4: mSingleChoiceID = -1; builder.setIcon(R.drawable.ic_launcher); 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("确定", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { if (mSingleChoiceID > 0) { showDialog("你选择的是" + 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("确定", 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("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("自定义输入框"); builder.setView(textEntryView); builder.setPositiveButton("确定", 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() + "密码：" + 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) { // 点击后弹出窗口选择了第几项 showDialog("你选择的id为" + which + " , " + mItems[which]); } }); break; case DIALOG_7: 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(); 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="确定取消信息框" /> <Button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="多个按钮信息框" /> <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="进度条框" /> <Button android:id="@+id/button4" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="单项选择列表框" /> <Button android:id="@+id/button5" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="多项选择列表框" /> <Button android:id="@+id/button6" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="自定义布局" /> <Button android:id="@+id/button7" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="读取进度框" /> <Button android:id="@+id/button8" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="没有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"><LinearLayoutandroid: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> <LinearLayoutandroid: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="密码：" /><EditText android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/etPassWord" android:minWidth="200dip"/> </LinearLayout> </RelativeLayout>地址 https://github.com/zhoulinxue/AlertDialog.git
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