android134 360 07 归属地查询

<?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" >

    <TextView
        style="@style/TitleStyle"
        android:text="归属地查询" />

    <EditText
        android:id="@+id/et_number"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="number"
        />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onClick="query"
        android:text="查询" />

    <TextView
        android:id="@+id/tv_result"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:text="查询结果"
        android:textSize="18sp" />

</LinearLayout>

package com.itheima52.mobilesafe.activity;

import android.app.Activity;
import android.os.Bundle;
import android.os.Vibrator;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.EditText;
import android.widget.TextView;

import com.itheima52.mobilesafe.R;
import com.itheima52.mobilesafe.db.dao.AddressDao;

/**
 * 归属地查询页面
 * 1.网络查询
 * 2.数据库查询
 */
public class AddressActivity extends Activity {

    private EditText etNumber;
    private TextView tvResult;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_address);
        etNumber = (EditText) findViewById(R.id.et_number);
        tvResult = (TextView) findViewById(R.id.tv_result);

        // 监听EditText的变化
        etNumber.addTextChangedListener(new TextWatcher() {
            // 文字 发生变化时的回调
            @Override
            public void onTextChanged(CharSequence s, int start, int before,int count) {
                String address = AddressDao.getAddress(s.toString());
                tvResult.setText(address);
            }
            // 文字变化前的回调
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count,int after) {
            }
            // 文字变化结束之后的回调
            @Override
            public void afterTextChanged(Editable s) {
            }
        });
    }

    /**
     * 开始查询
     */
    public void query(View view) {
        String number = etNumber.getText().toString().trim();
        if (!TextUtils.isEmpty(number)) {
            String address = AddressDao.getAddress(number);
            tvResult.setText(address);
        } else {
            Animation shake = AnimationUtils.loadAnimation(this, R.anim.shake);//动画
            /*res/anim/shake.xml
            <?xml version="1.0" encoding="utf-8"?>
            <translate xmlns:android="http://schemas.android.com/apk/res/android"
                android:duration="1000"
                android:fromXDelta="0"            X移动坐标0到10，不用差补器则只是从0移动到10然后就不动了，
                android:interpolator="@anim/cycle_7"  差补器
                android:toXDelta="10" />
            <!--
            res/anim/cycle_7.xml
            <?xml version="1.0" encoding="utf-8"?>
            <cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android" android:cycles="7" />  一秒钟内移动7次，
            -->
            */

            /* shake.setInterpolator(new Interpolator() {//自定义差补器
             @Override
             public float getInterpolation(float x) {
                 //y=ax+b
                 return y;//y=x表示是匀速运动
              }
             });*/
            etNumber.startAnimation(shake);//输入框左右摆动
            vibrate();
        }
    }

    /**
     * 手机震动, 需要权限 android.permission.VIBRATE
     */
    private void vibrate() {
        Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
        // vibrator.vibrate(2000);震动两秒
        vibrator.vibrate(new long[] { 1000, 2000, 1000, 3000 }, -1);// 先等待1秒,再震动2秒,再等待1秒,再震动3秒,
                                                                    // 参2等于-1表示只执行一次
                                                                    // 参2等于0表示从数组第0个文字开始循环,
                                                                    // 参2表示从数组第几个位置开始循环，数组可以无限的写下去。
        // 取消震动vibrator.cancel()
    }
}

package com.itheima52.mobilesafe.db.dao;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;

/**
 * 拷贝数据库（从assets目录拷贝到data/data/com.itheima52.mobilesafe/files/address.db）
 */
private void copyDB(String dbName) {//"address.db"
    // File filesDir = getFilesDir();
    // System.out.println("路径:" + filesDir.getAbsolutePath());  data/data/com.itheima52.mobilesafe/files
    File destFile = new File(getFilesDir(), "address.db");// 要拷贝的目标地址，前面是文件夹后面是文件名，也可以new File(getFilesDir() + "/address.db"),
    if (destFile.exists()) {//不要重复拷贝
        System.out.println("数据库" + "address.db" + "已存在!");
        return;
    }
    FileOutputStream out = null;
    InputStream in = null;
    try {
        in = getAssets().open("address.db");//获取assets目录下的address.db文件。
        out = new FileOutputStream(destFile);
        int len = 0;
        byte[] buffer = new byte[1024];
        while ((len = in.read(buffer)) != -1) {
            out.write(buffer, 0, len);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            in.close();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

/**
 * 归属地查询工具
 */
public class AddressDao {

    private static final String PATH = "data/data/com.itheima52.mobilesafe/files/address.db";// 注意,该路径必须是data/data目录的文件,不能是assets的目录，否则数据库访问不到

    public static String getAddress(String number) {
        String address = "未知号码";//没有查出来
        // 获取数据库对象
        SQLiteDatabase database = SQLiteDatabase.openDatabase(PATH, null,SQLiteDatabase.OPEN_READONLY);//因为数据库是现成的所以不用SQLHelper来创建数据库。第三个是访问模式。
        // 手机号码特点: 1 + (3,4,5,6,7,8) + (9位数字)，^1[3-8]\d{9}$
        if (number.matches("^1[3-8]\\d{9}$")) {// 匹配手机号码
            Cursor cursor = database
                    .rawQuery(
                            "select location from data2 where id=(select outkey from data1 where id=?)",
                            new String[] { number.substring(0, 7) });
            if (cursor.moveToNext()) {//只有一条数据所以只用if不用while
                address = cursor.getString(0);
            }
            cursor.close();
        } else if (number.matches("^\\d+$")) {// 匹配数字
            switch (number.length()) {
            case 3:
                address = "报警电话";
                break;
            case 4:
                address = "模拟器";
                break;
            case 5:
                address = "客服电话";
                break;
            case 7:
            case 8:
                address = "本地电话";
                break;
            default:
                // 01088881234
                //
                if (number.startsWith("0") && number.length() > 10) {// 有可能是长途电话
                    // 有些区号是4位,有些区号是3位(包括0)
                    // 先查询4位区号
                    Cursor cursor = database.rawQuery(
                            "select location from data2 where area =?",
                            new String[] { number.substring(1, 4) });
                    if (cursor.moveToNext()) {//找到了
                        address = cursor.getString(0);
                    } else {//没有查到
                        cursor.close();
                        // 查询3位区号
                        cursor = database.rawQuery(
                                "select location from data2 where area =?",
                                new String[] { number.substring(1, 3) });
                        if (cursor.moveToNext()) {
                            address = cursor.getString(0);
                        }
                        cursor.close();
                    }
                }
                break;
            }
        }
        database.close();// 关闭数据库
        return address;
    }
}