简单单选、多选按钮设计及监听

布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"

tools:context="com.edu.jereh.jreduch01.AlertActivity">
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bt1"
android:text="对话框"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bt2"
android:text="单选对话框"
android:layout_below="@+id/bt1"
android:layout_alignParentStart="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bt3"
android:text="多选对话框"
android:layout_below="@+id/bt2"
android:layout_alignParentStart="true" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bt4"
android:text="自定义对话框"
android:layout_below="@+id/bt3"
android:layout_alignParentStart="true" />

</RelativeLayout>

监听

package com.edu.jereh.jreduch01;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;

public class AlertActivity extends AppCompatActivity {
private Button bt1;
private Button bt2;
private Button bt3;
private Button bt4;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alert);
bt1 = (Button) findViewById(R.id.bt1);
bt2 = (Button) findViewById(R.id.bt2);
bt3 = (Button) findViewById(R.id.bt3);
bt4 = (Button) findViewById(R.id.bt4);
bt1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(AlertActivity.this);
builder.setTitle("提示");
builder.setIcon(R.mipmap.ic_launcher);
builder.setMessage("确定。。。。吗");
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(getBaseContext(), "点击了确定", Toast.LENGTH_SHORT).show();
}
});
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(getBaseContext(), "点击了取消", Toast.LENGTH_SHORT).show();
}//.show()是显示" "中的字
});
builder.setCancelable(false);//点击其他空白位置不取消
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
});
bt2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(AlertActivity.this);
builder.setTitle("请选择：");
builder.setIcon(R.mipmap.ic_launcher);
final String[] items = {"北京", "上海", "杭州", "烟台"};
builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getBaseContext(), items[which].toString(), Toast.LENGTH_SHORT).show();
dialog.dismiss();
}
});
builder.setCancelable(false);
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
});
bt3.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(AlertActivity.this);
builder.setTitle("请选择");
builder.setIcon(R.mipmap.ic_launcher);
final String[] items = {"北京", "上海", "青岛", "广州", "烟台"};
// boolean[] choice = {true, false, true, false, true};
final boolean[] itemChoice = new boolean[items.length];
itemChoice[0] = true;
itemChoice[1] = true;
builder.setMultiChoiceItems(items, itemChoice, new DialogInterface.OnMultiChoiceClickListener() {
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if (isChecked) {
Toast.makeText(getBaseContext(), items[which].toString(), Toast.LENGTH_SHORT).show();
itemChoice[which] = true;
} else {
itemChoice[which] = false;
}
}
});
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
String str = "";
for (int i = 0; i < items.length; i++) {
str += (itemChoice[i] == true) ? items[i] : " ";
}
Toast.makeText(getBaseContext(), str, Toast.LENGTH_SHORT).show();
}
});
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
});
bt4.setOnClickListener(new View.OnClickListener(){
public  void onClick(View view){
View v = getLayoutInflater().inflate(R.layout.toast_layout,null);
ImageView iv = (ImageView) v.findViewById(R.id.toast_iv);
iv.setOnClickListener(new View.OnClickListener(){
public  void onClick(View view){
Toast.makeText(AlertActivity.this,"你点击了图片",Toast.LENGTH_SHORT).show();
}
});
AlertDialog.Builder builder = new AlertDialog.Builder(AlertActivity.this);
builder.setView(v);
AlertDialog alertDialog = builder.create();
alertDialog.show();
}
});
}
}