[移动开发] androidstuido_schooltest_9

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[移动开发]androidstuido_schooltest_9_Dialog

文章目录

MainActivity.java

package com.kanxue.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //获取按钮，设置点击事件
        findViewById(R.id.btn_main_test1).setOnClickListener(this);
        findViewById(R.id.btn_main_test4).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        //根据按钮的id判断点击了哪个按钮  btn_main_test1
        switch (v.getId()){
            case R.id.btn_main_test1://测试常用简单的Component
                startActivity(new Intent(this,SimpleConponentActivity.class));
                break;
            case R.id.btn_main_test4://测试常用简单的Component
                startActivity(new Intent(this,DialogActivity.class));
                break;
            default:
                break;
        }

    }
}

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/btn_main_test1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="测试常用简单的Component" />

    <Button
        android:id="@+id/btn_main_test2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="测试菜单Component" />

    <Button
        android:id="@+id/btn_main_test3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="测试进度条Component" />

    <Button
        android:id="@+id/btn_main_test4"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="测试对话框Component" />

</LinearLayout>

DialogActivity.java

package com.kanxue.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TimePicker;
import android.widget.Toast;

import java.util.Calendar;

public class DialogActivity extends AppCompatActivity {

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


    //显示一般AlertDialog
    public void showAD(View view){
        new AlertDialog.Builder(this).setTitle("删除数据").setMessage("您确定删除数据吗").setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(DialogActivity.this,"删除数据",Toast.LENGTH_LONG).show();

            }
        }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(DialogActivity.this,"取消删除数据",Toast.LENGTH_LONG).show();

            }
        }).show();
    }

    //显示单选列表的AlertDialog
    public  void showLD(View view){
        final  String[] items={"红","蓝","绿","灰"};
        new AlertDialog.Builder(this).setTitle("指定背景颜色").setSingleChoiceItems(items, 6, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                //which 就是被选中的索引
                Toast.makeText(DialogActivity.this,items[which],Toast.LENGTH_LONG).show();
                dialog.dismiss();
            }
        }).show();
    }

    //显示自定义的AlertDialog
    public  void showCD(View view){
        //动态加载的布局对象，得到对应的view对象
        View view1=View.inflate(this,R.layout.dialog_view,null);
        final EditText edt_name=view1.findViewById(R.id.et_dialog_name);
        final EditText edt_pwd=view1.findViewById(R.id.et_dialog_pwd);
        new AlertDialog.Builder(this).setView(view1).setNegativeButton("取消",null).setPositiveButton("确定", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                String name=edt_name.getText().toString();
                String pwd=edt_pwd.getText().toString();
                Toast.makeText(DialogActivity.this,name+"----"+pwd,Toast.LENGTH_LONG).show();
            }
        }).show();
    }
    
    //显示圆形进度ProcessDialog
    public void showPD(View view){
        final ProgressDialog dialog=ProgressDialog.show(this,"数据加载","数据加载中…………");
        //模拟长时间操作
        //必须要在分线程中完成长时间操作
        new Thread(){
            @Override
            public void run() {
                super.run();
                for (int i = 0; i < 20; i++) {
                    try {
                        Thread.sleep(100);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                //移出对话框
                dialog.dismiss();
                //不能在分线程中更新主线程东西
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(DialogActivity.this,"加载完成",Toast.LENGTH_LONG).show();
                    }
                });
            }

        }.start();
    
    }

    //显示水平进度ProcessDialog
    public void showPD2(View view){
        //1.创建一个进度条dialog
        final  ProgressDialog pd= new ProgressDialog(this);
        pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        pd.show();
        new Thread(new Runnable() {
            @Override
            public void run() {
                int count=100;
                //设置最大进度
                pd.setMax(count);
                for (int i = 0; i < count; i++) {
                    try {
                        Thread.sleep(100);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    pd.setProgress(pd.getProgress()+1);
                }
                pd.dismiss();
            }
        }).start();
    }

    public void showDateAD(View view){
        //1.创建日历对象
        Calendar calendar=Calendar.getInstance();
        //2.获取年月
        int year=calendar.get(Calendar.YEAR);
        int month=calendar.get(Calendar.MONTH);
        int day=calendar.get(Calendar.DAY_OF_MONTH);

        //创建日期对话框
        new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                Log.e("TAG",year+"--"+(month+1)+"--"+dayOfMonth);
            }
        },year,month,day).show();
    }

    public void showTimeAD(View view){
        //1.创建日历对象
        Calendar calendar=Calendar.getInstance();
        int  hour=calendar.get(Calendar.HOUR);
        int  minute=calendar.get(Calendar.MINUTE);
        new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Log.e("TAG",hourOfDay+"--"+minute);

            }
        },hour,minute,true).show();
    }
}

activity_dialog.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <!-- AlertDialog -->
    <Button
        android:id="@+id/btn_test4_ad"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showAD"
        android:text="显示一般AlertDialog" />

    <Button
        android:id="@+id/btn_test4_ld"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showLD"
        android:text="显示单选列表AlertDialog" />

    <Button
        android:id="@+id/btn_test4_custom"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showCD"
        android:text="显示自定义AlertDialog" />


    <!-- ProgressDialog -->
    <Button
        android:id="@+id/btn_test4_pd"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showPD"
        android:text="显示圆形进度ProgressDialog"
        android:layout_marginTop="20dp"/>

    <Button
        android:id="@+id/btn_test4_pd2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showPD2"
        android:text="显示水平进度ProgressDialog" />



    <!-- DatePickerDialog与TimePickerDialog -->
    <Button
        android:id="@+id/btn_test4_dd"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showDateAD"
        android:text="显示DatePickerDialog"
        android:layout_marginTop="20dp"/>

    <Button
        android:id="@+id/btn_test4_td"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:onClick="showTimeAD"
        android:text="显示TimePickerDialog" />

</LinearLayout>

SimpleConponentActivity.java

package com.kanxue.myapplication;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

public class SimpleConponentActivity extends AppCompatActivity {
    private TextView tv_simple_message;
    private EditText et_simple_number;
    private Button btn_simple_submit;
    private ImageView iv_simple_icon;
    private CheckBox cb_simple_basket;
    private CheckBox cb_simple_foot;
    private CheckBox cb_simple_pingpang;
    private RadioGroup rg_simple_sex;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_simple_conponent);
        //获取TextView并设置值
        tv_simple_message = findViewById(R.id.tv_simple_message);
        tv_simple_message.setText("江科大");
        //获取EditText控件
        et_simple_number = findViewById(R.id.et_simple_number);
        //通过点击按钮显示EditText的值
        btn_simple_submit = findViewById(R.id.btn_simple_submit);
        btn_simple_submit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //获取EditText的内容
                String number = et_simple_number.getText().toString();
                //提示
                Toast.makeText(SimpleConponentActivity.this, number, Toast.LENGTH_SHORT).show();
            }
        });
        //ImageView
        iv_simple_icon = findViewById(R.id.iv_simple_icon);
        //设置点击事件
        iv_simple_icon.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //设置背景图片
                iv_simple_icon.setBackgroundResource(android.R.drawable.alert_light_frame);
                //设置前景图片
                iv_simple_icon.setImageResource(android.R.drawable.ic_media_pause);
            }
        });
        //CheckBox
        cb_simple_basket = findViewById(R.id.cb_simple_basket);
        cb_simple_foot = findViewById(R.id.cb_simple_foot);
        cb_simple_pingpang = findViewById(R.id.cb_simple_pingpang);
        //设置cb_simple_foot 状态被改变的事件
        cb_simple_foot.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                if(isChecked){
                    Toast.makeText(SimpleConponentActivity.this, buttonView.getText().toString()+"足球被选中", Toast.LENGTH_SHORT).show();
                }else{
                    Toast.makeText(SimpleConponentActivity.this, buttonView.getId()+"足球未被选中", Toast.LENGTH_SHORT).show();
                }
            }
        });

        //单选按钮组
        rg_simple_sex = findViewById(R.id.rg_simple_sex);
        //设置单选事件,new RadioGroup.OnCheckedChangeListener 与复选框中的不一样
        rg_simple_sex.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                //找到选中的radioButton
                RadioButton radioButton = findViewById(checkedId);
                //得到文本
                String sex = radioButton.getText().toString();
                //提示
                Toast.makeText(SimpleConponentActivity.this, sex, Toast.LENGTH_SHORT).show();
            }
        });
    }
    //点击确定显示复选框中选中的内容
    public void confirm(View view){
        StringBuffer sb = new StringBuffer();
        if(cb_simple_basket.isChecked()){
            sb.append(cb_simple_basket.getText().toString()+",");
        }
        if(cb_simple_foot.isChecked()){
            sb.append(cb_simple_foot.getText().toString()+",");
        }
        if(cb_simple_pingpang.isChecked()){
            sb.append(cb_simple_pingpang.getText().toString()+",");
        }
        Toast.makeText(this, sb.toString(), Toast.LENGTH_SHORT).show();

    }



}

activity_simple_conponent.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/tv_simple_message"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="这是TextView的内容"
        android:background="#999999"
        android:textColor="#ff0000"
        android:textSize="20sp"/>

    <EditText
        android:id="@+id/et_simple_number"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请输入手机号"
        android:inputType="phone">
    </EditText>

    <Button
        android:id="@+id/btn_simple_submit"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="提交" />

    <ImageView
        android:id="@+id/iv_simple_icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@android:drawable/alert_dark_frame"
        android:src="@android:drawable/ic_menu_zoom"/>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="爱好: " />

        <CheckBox
            android:id="@+id/cb_simple_basket"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="篮球" />
        <CheckBox
            android:id="@+id/cb_simple_foot"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="足球" />

        <CheckBox
            android:id="@+id/cb_simple_pingpang"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="乒乓" />

        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="确定"
            android:onClick="confirm"/>

    </LinearLayout>

    <RadioGroup
        android:id="@+id/rg_simple_sex"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <RadioButton
            android:id="@+id/rb_simple_male"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="男" />

        <RadioButton
            android:id="@+id/rb_simple_female"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="女"
            android:checked="true"/>

        <RadioButton
            android:id="@+id/rb_simple_nomale"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="东方不败" />
    </RadioGroup>

</LinearLayout>

dialog_view.xml

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

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher_background"
        android:scaleType="fitXY"/>

    <EditText
        android:id="@+id/et_dialog_name"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="用户名">
    </EditText>

    <EditText
        android:id="@+id/et_dialog_pwd"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="密码"
        android:inputType="textPassword"/>

</LinearLayout>