疯狂Android讲义第二版源代码1-5章

package org.crazyit.ui; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.os.Bundle; import android.view.View; import android.widget.ArrayAdapter; import android.widget.TableLayout; import android.widget.TextView; /** * Description: * <br/>site: <a href="http://www.crazyit.org">crazyit.org</a> * <br/>Copyright (C), 2001-2014, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class AlertDialogTest extends Activity { TextView show; String[] items = new String[] { "疯狂Java讲义", "疯狂Ajax讲义", "轻量级Java EE企业应用实战", "疯狂Android讲义" }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); show = (TextView) findViewById(R.id.show); } public void simple(View source) { AlertDialog.Builder builder = new AlertDialog.Builder(this) // 设置对话框标题 .setTitle("简单对话框") // 设置图标 .setIcon(R.drawable.tools) .setMessage("对话框的测试内容\n第二行内容"); // 为AlertDialog.Builder添加【确定】按钮 setPositiveButton(builder); // 为AlertDialog.Builder添加【取消】按钮 setNegativeButton(builder) .create() .show(); } public void simpleList(View source) { AlertDialog.Builder builder = new AlertDialog.Builder(this) // 设置对话框标题 .setTitle("简单列表项对话框") // 设置图标 .setIcon(R.drawable.tools) // 设置简单的列表项内容 .setItems(items, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { show.setText("你选中了《" + items[which] + "》"); } }); // 为AlertDialog.Builder添加【确定】按钮 setPositiveButton(builder); // 为AlertDialog.Builder添加【取消】按钮 setNegativeButton(builder) .create() .show(); } public void singleChoice(View source) { AlertDialog.Builder builder = new AlertDialog.Builder(this) // 设置对话框标题 .setTitle("单选列表项对话框") // 设置图标 .setIcon(R.drawable.tools) // 设置单选列表项,默认选中第二项（索引为1） .setSingleChoiceItems(items, 1, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { show.setText("你选中了《" + items[which] + "》"); } }); // 为AlertDialog.Builder添加【确定】按钮 setPositiveButton(builder); // 为AlertDialog.Builder添加【取消】按钮 setNegativeButton(builder) .create() .show(); } public void multiChoice(View source) { AlertDialog.Builder builder = new AlertDialog.Builder(this) // 设置对话框标题 .setTitle("多选列表项对话框") // 设置图标 .setIcon(R.drawable.tools) // 设置多选列表项，设置勾选第2项、第4项 .setMultiChoiceItems(items , new boolean[]{false , true ,false ,true}, null); // 为AlertDialog.Builder添加【确定】按钮 setPositiveButton(builder); // 为AlertDialog.Builder添加【取消】按钮 setNegativeButton(builder) .create() .show(); } public void customList(View source) { AlertDialog.Builder builder = new AlertDialog.Builder(this) // 设置对话框标题 .setTitle("自定义列表项对话框") // 设置图标 .setIcon(R.drawable.tools) // 设置自定义列表项 .setAdapter(new ArrayAdapter<String>(this , R.layout.array_item , items), null); // 为AlertDialog.Builder添加【确定】按钮 setPositiveButton(builder); // 为AlertDialog.Builder添加【取消】按钮 setNegativeButton(builder) .create() .show(); } public void customView(View source) { //装载/res/layout/login.xml界面布局 TableLayout loginForm = (TableLayout)getLayoutInflater() .inflate( R.layout.login, null); new AlertDialog.Builder(this) // 设置对话框的图标 .setIcon(R.drawable.tools) // 设置对话框的标题 .setTitle("自定义View对话框") // 设置对话框显示的View对象 .setView(loginForm) // 为对话框设置一个“确定”按钮 .setPositiveButton("登录" , new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // 此处可执行登录处理 } }) // 为对话框设置一个“取消”按钮 .setNegativeButton("取消", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // 取消登录，不做任何事情。 } }) // 创建、并显示对话框 .create() .show(); } private AlertDialog.Builder setPositiveButton( AlertDialog.Builder builder) { // 调用setPositiveButton方法添加确定按钮 return builder.setPositiveButton("确定", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { show.setText("单击了【确定】按钮！"); } }); } private AlertDialog.Builder setNegativeButton( AlertDialog.Builder builder) { // 调用setNegativeButton方法添加取消按钮 return builder.setNegativeButton("取消", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { show.setText("单击了【取消】按钮！"); } }); } }