alertDialog創建对话框

alertDialog創建对话框
alertDialog生成对话框可以分为以下4个区域
1、图标区
2、标题区
3、内容区
4、按钮区
public class MainActivity extends Activity {
private ClipboardManager show;
String[] items = new String[]{
“列表项1”,
“列表项2”,
“列表项3”,
“列表项4”
};

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.alertdialog);
}

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.mia3)
            .setMessage("对话框第二行测试内容/n");
    //为alterDalog.builder添加“确定”按钮
    setPositiveButton(builder);
    //为alterDalog.builer添加取消按钮
    setNegativeButton(builder).create().show();
}

private AlertDialog.Builder setPositiveButton(AlertDialog.Builder builder) {
    //调用setpostivitybutton方法添加确定按钮
    return builder.setPositiveButton("确定", new DialogInterface.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) {
    return builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            show.setText("单击了【取消】按钮");
        }
    });
}

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.mia3)
            //设置简单的列表项内容
            .setItems(items, new DialogInterface.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.mia3)
            //设置单选列表项，默认选中第二项（索引为1）
            .setSingleChoiceItems(items, 1, new DialogInterface.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.mia3)
            //设置多选列表项，设置勾选第二项，第四项
            .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("自定义列表对话框")
            //设置图标
            .setIcon(R.drawable.mia3)
            //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) {

// 加载界面布局文件
TableLayout tl = (TableLayout) getLayoutInflater().inflate(R.layout.login, null);
new AlertDialog.Builder(this)
// 设置对话框图标
.setIcon(R.drawable.mia3)
// 设置对话框标题
.setTitle(“自定义对话框”)
// 设置对话框的view对象
.setView(tl)
// 为对话框设置一个确定按钮
.setPositiveButton(“登录”, new DialogInterface.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 DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//取消登录不进行任何操作

                }
            })

//創建并显示对话框
.create().show();
}

}

<?xml version="1.0" encoding="utf-8"?>

<Button
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:onClick="customList"
    android:text="自定义列表对话框"/>

<Button
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:onClick="customView"
    android:text="自定义view对话框"/>

<?xml version="1.0" encoding="utf-8"?>

<TableRow>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="用户名"
        android:textSize="10pt" />
    <!--输入用户名文本框-->
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请填写登录账号"
        android:selectAllOnFocus="true" />
</TableRow>

<TableRow>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="密码"
        android:textSize="10pt" />
    <!--输入密码的文本框-->
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请填写密码"
        android:password="true" />
</TableRow>

<TableRow>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="电话号码"
        android:textSize="10pt" />
    <!--输入电话号码的文本框-->
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请填写您的密码"
        android:selectAllOnFocus="true"
        android:phoneNumber="true" />
</TableRow>