【鼠】安卓学习杂记（二十二）——Android之Dialog之自定义Dialog

<?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">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:gravity="center"
        android:text="提示"
        android:textSize="30sp"
        android:textColor="@android:color/white"
        android:background="@color/colorPrimary"/>
    <View
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:background="@android:color/white"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:gravity="center"
        android:text="你要退出应用？"
        android:textSize="20sp"
        android:textColor="@android:color/white"
        android:background="@color/colorPrimary"/>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="60dp"
        android:orientation="horizontal"
        android:background="@color/colorPrimary"
        android:gravity="center">
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:text="返回"
            android:textColor="@color/colorPrimary"
            android:background="@android:color/white"/>
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:text="是的"
            android:textColor="@color/colorPrimary"
            android:background="@android:color/white"/>
    </LinearLayout>

</LinearLayout>

package com.example.administrator.app_dialog;

import android.app.Dialog;
import android.content.Context;
import android.support.annotation.NonNull;
import android.view.View;
import android.widget.Button;

public class MyDialog extends Dialog {
    public MyDialog(@NonNull Context context) {
        super(context);
         //绑定自定义的布局
        setContentView(R.layout.mydialog_layout);
        //给自定义对话框内的控件设置事件监听
        Button btn_yes = findViewById(R.id.btn_yes);
        Button btn_no = findViewById(R.id.btn_no);
        btn_yes.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //点击事件
                System.exit(0);
            }
        });
        btn_no.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //点击事件
                dismiss();
            }
        });
    }
}

package com.example.administrator.app_dialog;

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

public class MainActivity extends AppCompatActivity {
    Button btn1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //初始化视图
        final MyDialog myDialog = new MyDialog(this);
        btn1 = findViewById(R.id.btn1);
        //设置点击事件
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //点击事件——创建自定义对话框
                myDialog.show();
            }
        });

    }
}