安卓开发之人品计算器

package com.lidaochen.test;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private EditText et_name;
    private RadioGroup rg_group;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // 获取EditText控件
        et_name = (EditText)findViewById(R.id.et_name);
        // 获取RadioGroup控件
        rg_group = (RadioGroup)findViewById(R.id.rg_group);
    }

    // 点击按钮 实现计算人品 跳转到ResultActivity页面
    public void click(View v)
    {
        // 1、获取用户
        String name = et_name.getText().toString().trim();
        // 2、判断一下name是否为空
        if(TextUtils.isEmpty(name))
        {
            Toast.makeText(getApplicationContext(), "亲，请输入姓名...", Toast.LENGTH_SHORT).show();
            return;
        }
        // 3、判断用户选择的性别
        int radioBtnID =  rg_group.getCheckedRadioButtonId();
        int sex = 0;
        switch (radioBtnID)
        {
            // 代表选择的是男
            case R.id.rb_man:
                sex = 1;
                break;
            // 代表选择的是女
            case R.id.rb_woman:
                sex = 2;
                break;
            // 代表选择的是人妖
            case R.id.rb_renyao:
                sex = 3;
                break;
        }
        // 4、判断一下是否选择了性别
        if (sex == 0)
        {
            Toast.makeText(getApplicationContext(), "亲，请选择性别...", Toast.LENGTH_SHORT).show();
            return;
        }
        // 用显示意图跳转到ResultActivity页面
        Intent intent = new Intent(this, ResultActivity.class);
        // 传递姓名
        intent.putExtra("name", name);
        // 传递性别
        intent.putExtra("sex", sex);
        // 开启Activity
        startActivity(intent);
    }
}

package com.lidaochen.test;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import java.io.UnsupportedEncodingException;

public class ResultActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_result);
        // 获取TextView控件
        TextView tv_name = (TextView)findViewById(R.id.tv_name);
        TextView tv_sex = (TextView)findViewById(R.id.tv_sex);
        TextView tv_rp = (TextView)findViewById(R.id.tv_rp);
        // 获取MainActivity传递过来的数据
        Intent intent = getIntent();
        // 获取name和sex的值
        String name = intent.getStringExtra("name");
        int sex = intent.getIntExtra("sex", 0);
        // 显示数据
        tv_name.setText(name);
        byte[] bytes = null;
        switch (sex)
        {
            case 1:
                tv_sex.setText("男");
                try {
                    bytes = name.getBytes("gbk");
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
                break;
            case 2:
                tv_sex.setText("女");
                try {
                    bytes = name.getBytes("utf-8");
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
                break;
            case 3:
                tv_sex.setText("人妖");
                try {
                    bytes = name.getBytes("iso-8859-1");
                } catch (UnsupportedEncodingException e) {
                    e.printStackTrace();
                }
                break;
            default:
                break;
        }
        // 计算人品结果
        int total = 0;
        for (byte b :bytes)
        {
            int number = b & 0xFF;
            total += number;
        }
        // 获取得分
        int score = Math.abs(total) % 100;
        if (score > 90)
        {
            tv_rp.setText("您的人品非常好，您家的祖坟都冒青烟啦！");
        }
        else if(score > 80)
        {
            tv_rp.setText("您的人品还可以！");
        }
        else if(score > 60)
        {
            tv_rp.setText("您的人品刚及格！");
        }
        else
        {
            tv_rp.setText("您的人品太次了，您需要努力啊！");
        }
    }
}