AlertDialog 对话框 5种

MainActivity.class

public class MainActivity extends AppCompatActivity implements View.OnClickListener{
    private Button bt1;
    private Button bt2;
    private Button bt3;
    private Button bt4;
    private Button bt5;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bt1 = (Button) findViewById(R.id.bt1);
        bt1.setOnClickListener(this);

        bt2 = (Button) findViewById(R.id.bt2);
        bt2.setOnClickListener(this);

        bt3 = (Button) findViewById(R.id.bt3);
        bt3.setOnClickListener(this);

        bt4 = (Button) findViewById(R.id.bt4);
        bt4.setOnClickListener(this);

        bt5 = (Button) findViewById(R.id.bt5);
        bt5.setOnClickListener(this);

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
            //确认对话框
            case R.id.bt1:{
                Log.d("xys", "进入了");
                //创建Builder构建器
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setTitle("确认对话框!");//设置标题
                builder.setIcon(R.mipmap.ic_launcher);//设置图标
                builder.setMessage("确认对话框内容。");//设置文本内容
                builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "这里是取消按钮！", Toast.LENGTH_SHORT).show();
                    }
                });
                builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "这里是确定 按钮！", Toast.LENGTH_SHORT).show();
                    }
                });
                //创建出dialog并show出来
//                AlertDialog dialog = builder.create();
//                dialog.show();
                builder.create().show();
                break;
            }
            //单选按钮对话框
            case R.id.bt2:{
                final String[] list = {"男","女","女博士","程序员"};
                AlertDialog.Builder builder =  new AlertDialog.Builder(this);

                builder.setTitle("选择性别");//设置标题
                builder.setIcon(R.mipmap.ic_launcher);//设置图标
                                            //数据源，默认选中的项目
                builder.setSingleChoiceItems(list, 0, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "你选择的是" + list[which] + "这一项", Toast.LENGTH_SHORT).show();
                    }
                });
                builder.create().show();
                break;
            }

            //多选按钮对话框
            case R.id.bt3:{
                final String[] list = {"口琴","吉他","电脑","跳水"};
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setTitle("爱好");
                builder.setIcon(R.mipmap.ic_launcher);
                builder.setMultiChoiceItems(list, null, new DialogInterface.OnMultiChoiceClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which, boolean isChecked) {
                        if (isChecked) {
                            Toast.makeText(MainActivity.this, "我的爱好是" + list[which], Toast.LENGTH_SHORT).show();
                        } else {
                            Toast.makeText(MainActivity.this, "关我屁事", Toast.LENGTH_SHORT).show();
                        }

                    }
                });
                builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                });
                builder.create().show();
                break;
            }

            //列表对话框
            case R.id.bt4:{
                final String [] list ={"宣传","策划","打酱油","捣糨糊"};
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setTitle("爱好");
                builder.setIcon(R.mipmap.ic_launcher);
                builder.setItems(list, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(MainActivity.this, "你选择的部门是" + list[which], Toast.LENGTH_SHORT).show();
                    }
                });
                builder.create().show();
                break;
            }

            //自定义对话框
            case R.id.bt5:{
                final String [] list ={"宣传","策划","打酱油","捣糨糊"};
                //获取自定义布局
                LayoutInflater inflater = LayoutInflater.from(this);
                View view = inflater.inflate(R.layout.dialog_layout, null);

                final AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setView(view);
                builder.setTitle("自定义对话框");

                //监听自定义按钮
                final EditText text = (EditText) view.findViewById(R.id.layout_text);

                Button bt = (Button) view.findViewById(R.id.layout_bt1);
                bt.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        final String str = text.getText().toString();
                        Toast.makeText(MainActivity.this, "提交的内容是 " + str, Toast.LENGTH_SHORT).show();

                    }
                });
                final AlertDialog dialog = builder.create();
                dialog.show();
//                builder.create().show();
                break;
            }
        }
    }
}

　　

activity_main.xml

<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" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <Button
        android:id="@+id/bt1"
        android:text="确认对话框"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/bt2"
        android:layout_below="@id/bt1"
        android:text="单选对话框"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/bt3"
        android:layout_below="@id/bt2"
        android:text="多选对话框"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/bt4"
        android:layout_below="@id/bt3"
        android:text="列表对话框"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/bt5"
        android:layout_below="@id/bt4"
        android:text="自定义对话框"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</RelativeLayout>

　　

dialog_layout.xml(自定义布局)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal">

    <EditText
        android:id="@+id/layout_text"
        android:hint="请输入内容"
        android:layout_weight="5"
        android:layout_width="0dp"
        android:layout_height="wrap_content" />

    <Button
        android:id="@+id/layout_bt1"
        android:layout_weight="1.5"
        android:text="提交"
        android:layout_width="0dp"
        android:layout_height="wrap_content" />

</LinearLayout>
<ImageView
    android:id="@+id/layout_image"
    android:src="@drawable/abc"
    android:layout_width="match_parent"
    android:layout_height="wrap_content" />
</LinearLayout>