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lmyyyy

园龄：2年8个月粉丝：7关注：10

📂android
🔖android
2023-02-20 08:18阅读: 13评论: 0推荐: 0

android笔记05_中既控件

中级控件

目录

img

1.图形定制

img

图形Drawable

形状图形

img
img

点9图片

img

状态列表图片

2.选择按钮

img
自定义按钮点击背景

<selector xmlns:android="http://schemas.android.com/apk/res/android">
 
    <item android:state_pressed="true" android:drawable="@drawable/button_process"/>
    <item android:drawable="@drawable/button_normal"/>
</selector>

复选框CheckBox

开关按钮Switch

单选按钮RadioButton

<RadioGroup
        android:id="@+id/rg_gender"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <RadioButton
            android:id="@+id/rb_male"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="男"/>
        <RadioButton
            android:id="@+id/rb_female"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="女"/>
    </RadioGroup>

3.文本输入

img

编辑框EditText

焦点变更监听器

文本变化监听器

4.对话框

img

提醒对话框

日期对话框

时间对话框

5.项目实战：登录案例

login.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
 
    <RadioGroup
        android:id="@+id/rg_login"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal">
 
        <RadioButton
            android:id="@+id/rb_password"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:checked="true"
            android:text="密码登录" />
 
        <RadioButton
            android:id="@+id/rb_varify"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="验证码登录" />
    </RadioGroup>
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="请输入手机号:"
        android:gravity="center"
        android:textColor="#000000"
        android:textSize="17sp"/>
 
<EditText
    android:id="@+id/et_phone"
    android:layout_width="0dp"
    android:layout_weight="1"
    android:layout_height="wrap_content"
    android:background="@drawable/edittext_selector"
    android:hint="请输入手机号"
    android:inputType="number"
    android:maxLength="11"/>
 
    </LinearLayout>
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal"
        >
        <TextView
            android:id="@+id/tv_password"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:text="登陆密码:"
            android:gravity="center"
            android:textColor="#000000"
            android:textSize="17sp"/>
 
        <RelativeLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1">
 
            <EditText
                android:id="@+id/et_password"
                android:layout_width="match_parent"
                android:layout_height="50dp"
                android:hint="请输入密码"
                android:inputType="numberPassword"
                android:maxLength="11" />
            <Button
                android:id="@+id/btn_forget"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:text="忘记密码"
                android:layout_alignParentEnd="true"/>
        </RelativeLayout>
 
    </LinearLayout>
    <CheckBox
        android:id="@+id/ck_rember"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="记住密码"/>
 
    <Button
        android:id="@+id/btn_login"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="登录"/>
 
</LinearLayout>

LoginActivity.java

package com.example.chapter05_middlecontrol;
 
import androidx.activity.result.ActivityResult;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
 
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
 
import com.example.chapter05_middlecontrol.util.ViewUtil;
 
import java.util.Random;
 
public class LoginMainActivity extends AppCompatActivity implements RadioGroup.OnCheckedChangeListener, View.OnClickListener {
 
    private TextView tv_password;
    private EditText et_password;
    private Button btn_forget;
    private CheckBox ck_rember;
    private EditText et_phone;
    private RadioButton rb_password;
    private RadioButton rb_varify;
    private ActivityResultLauncher<Intent> register;
    private Button btn_login;
    private String mPass = "123456";
    private String varifycode;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login_main);
        et_phone = findViewById(R.id.et_phone);
        tv_password = findViewById(R.id.tv_password);
        et_password = findViewById(R.id.et_password);
        btn_forget = findViewById(R.id.btn_forget);
        ck_rember = findViewById(R.id.ck_rember);
        rb_password = findViewById(R.id.rb_password);
        rb_varify = findViewById(R.id.rb_varify);
        btn_login = findViewById(R.id.btn_login);
 
        RadioGroup rg_login = findViewById(R.id.rg_login);
        rg_login.setOnCheckedChangeListener(this);
        btn_login.setOnClickListener(this);
        et_phone.addTextChangedListener(new HideTextWatcher(et_phone, 11));
        et_password.addTextChangedListener(new HideTextWatcher(et_password, 6));
        btn_forget.setOnClickListener(this);
        register = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(),
                new ActivityResultCallback<ActivityResult>() {
                    @Override
                    public void onActivityResult(ActivityResult result) {
                        Intent intent = result.getData();
                        if (intent!= null && result.getResultCode() == Activity.RESULT_OK){
                            mPass = intent.getStringExtra("new_pass");
 
                        }
                    }
                });
 
    }
 
 
    @Override
    public void onCheckedChanged(RadioGroup radioGroup, int i) {
        switch (i) {
            case R.id.rb_password:
                tv_password.setText("密码:");
                et_password.setHint("请输入密码");
                btn_forget.setText("忘记密码");
                ck_rember.setVisibility(View.VISIBLE);
                break;
            case R.id.rb_varify:
                tv_password.setText("验证码:");
                et_password.setHint("请输入验证码");
                btn_forget.setText("获取验证码");
                ck_rember.setVisibility(View.GONE);
                break;
        }
    }
 
    @Override
    public void onClick(View view) {
        String phone = et_phone.getText().toString();
        if (phone.length() < 11) {
            Toast.makeText(this, "请输入正确的手机号码", Toast.LENGTH_LONG).show();
            System.out.println(phone);
            return;
        }
        switch (view.getId()) {
            case R.id.btn_forget:
                if (rb_password.isChecked()) {
                    Intent intent = new Intent(this, LoginForgetActivity.class);
                    intent.putExtra("phone", phone);
                    register.launch(intent);
                } else if (rb_varify.isChecked()) {
                    varifycode = String.format("%06d", new Random().nextInt(999999));
 
                    System.out.println(varifycode);
                    AlertDialog.Builder builder = new AlertDialog.Builder(this);
                    builder.setTitle("请记住验证码");
                    builder.setMessage("手机号" + phone + "验证码位" + varifycode);
                    builder.setPositiveButton("好的", null);
                    AlertDialog dialog = builder.create();
                    dialog.show();
 
                }
                break;
            case R.id.btn_login:
                if (rb_password.isChecked()) {
                    if (!mPass.equals(et_password.getText().toString())) {
                        Toast.makeText(this, "请输入正确密码", Toast.LENGTH_SHORT).show();
                        System.out.println("请输入正确密码");
                        return;
                    }
                    loginSuccess();
                } else if (rb_varify.isChecked()) {
                    if (!varifycode.equals(et_password.getText().toString())) {
                        Toast.makeText(this, "请输入正确验证码", Toast.LENGTH_SHORT).show();
                        System.out.println("请输入正确验证码");
                        return;
                    }
                    loginSuccess();
                }
                break;
        }
    }
 
    private void loginSuccess() {
        String desc = String.format("您的手机号:%s,点击确定返回", et_phone.getText().toString());
 
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("登录成功");
        builder.setMessage(desc);
        builder.setPositiveButton("确定返回", (dialogInterface, witch) -> {
                finish();
        });
        builder.setNegativeButton("我再看看", null);
        AlertDialog dialog = builder.create();
        dialog.show();
 
        System.out.println("登录陈工");
    }
 
 
    private class HideTextWatcher implements TextWatcher {
 
        private EditText mView;
        private Integer mMaxLength;
 
        public HideTextWatcher(EditText et, int maxLength) {
            this.mView = et;
            this.mMaxLength = maxLength;
        }
 
        @Override
        public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
 
        }
 
        @Override
        public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
 
        }
 
        @Override
        public void afterTextChanged(Editable editable) {
            if (editable.toString().length() == mMaxLength) {
                ViewUtil.hideOneInputMethod(LoginMainActivity.this, mView);
            }
        }
    }
}

forget.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
 
 
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="请输入新密码:"
            android:gravity="center"
            android:textColor="#000000"
            android:textSize="17sp"/>
 
        <EditText
            android:id="@+id/et_pass_first"
            android:layout_width="0dp"
            android:layout_weight="1"
            android:layout_height="wrap_content"
            android:background="@drawable/edittext_selector"
            android:hint="请输入新密码"
            android:inputType="numberPassword"
            android:maxLength="6"/>
 
    </LinearLayout>
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal"
        >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:text="确认密码:"
            android:gravity="center"
            android:textColor="#000000"
            android:textSize="17sp"/>
 
        <RelativeLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1">
 
            <EditText
                android:id="@+id/et_pass_second"
                android:layout_width="match_parent"
                android:layout_height="50dp"
                android:hint="请确认密码"
                android:inputType="numberPassword"
                android:maxLength="11" />
        </RelativeLayout>
 
    </LinearLayout>
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal"
        >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:text="验证码:"
            android:gravity="center"
            android:textColor="#000000"
            android:textSize="17sp"/>
 
        <RelativeLayout
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1">
 
            <EditText
                android:id="@+id/et_varify"
                android:layout_width="match_parent"
                android:layout_height="50dp"
                android:hint="请输入验证码"
                android:inputType="numberPassword"
                android:maxLength="11" />
            <Button
                android:id="@+id/btn_varify"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:text="获取验证码"
                android:layout_alignParentEnd="true"/>
        </RelativeLayout>
 
    </LinearLayout>
    <Button
        android:id="@+id/btn_confirm"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="确定"/>
 
</LinearLayout>

ForgetActivity.java

package com.example.chapter05_middlecontrol;
 
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
 
import java.util.Random;
 
public class LoginForgetActivity extends AppCompatActivity implements View.OnClickListener {
 
    private String mphone;
    private String varifycode;
    private EditText et_pass_first;
    private EditText et_pass_second;
    private EditText et_varify;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login_forget);
 
        mphone = getIntent().getStringExtra("phone");
 
        findViewById(R.id.btn_varify).setOnClickListener(this);
 
        findViewById(R.id.btn_confirm).setOnClickListener(this);
        et_pass_first = findViewById(R.id.et_pass_first);
        et_pass_second = findViewById(R.id.et_pass_second);
        et_varify = findViewById(R.id.et_varify);
    }
 
    @Override
    public void onClick(View view) {
        switch(view.getId()){
            case R.id.btn_varify:
                varifycode = String.format("%06d", new Random().nextInt(999999));
                System.out.println(varifycode);
                AlertDialog.Builder builder = new AlertDialog.Builder(this);
                builder.setTitle("请记住验证码");
                builder.setMessage("手机号" + mphone + "验证码位" + varifycode);
                builder.setPositiveButton("好的", null);
                AlertDialog dialog = builder.create();
                dialog.show();
                break;
            case R.id.btn_confirm:
                String first = et_pass_first.getText().toString();
                String second = et_pass_second.getText().toString();
                if ( first.length() < 6){
                    System.out.println("请输入正确的密码");
                    return ;
                }
                if ( !first.equals(second)){
                    System.out.println("密码不一致");
                    return;
                }
                if (!varifycode.equals(et_varify.getText().toString())){
                    System.out.println("验证码不对");
                    return;
                }
                System.out.println("修改成功");
                Intent intent = new Intent();
                intent.putExtra("new_pass", first);
                setResult(Activity.RESULT_OK, intent);
                finish();
                break;
        }
    }
}

本文作者：lmyyyy

本文链接：https://www.cnblogs.com/lmyy/p/17131678.html

版权声明：本作品采用知识共享署名-非商业性使用-禁止演绎 2.5 中国大陆许可协议进行许可。

posted @   lmyyyy  阅读(13)  评论(0)  编辑  收藏  举报
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