Android(安卓)笔记：获取本机手机号(适用于双卡双待手机)

需要验证手机号的功能，但是国内的手机多是双卡双待的，无法获取到两个号码。在Android的官方文档是没有提供相应的Api的，因为标准的Andoird是没有双卡的，好像也只有国内才会搞双卡双待的神器吧。以下记录一下做这个功能所学习到的东西。直接上代码：

import java.lang.reflect.InvocationTargetException;  import java.lang.reflect.Method;  import java.util.List;  import android.app.Activity;  import android.content.Context;  import android.content.SharedPreferences;  import android.content.SharedPreferences.Editor;  import android.os.Bundle;  import android.preference.PreferenceManager;  import android.telephony.CellInfo;  import android.telephony.TelephonyManager;  import android.view.Menu;  import android.widget.TextView;  public class MainActivity extends Activity  {      private TextView    tv;      private TextView    tv2;      // ///////////////////////////////////      static String       ISDOUBLE;      static String       SIMCARD;      static String       SIMCARD_1;      static String       SIMCARD_2;      static boolean      isDouble;      // //////////////////////////////////      @Override      protected void onCreate(Bundle savedInstanceState)      {          super.onCreate(savedInstanceState);          setContentView(R.layout.activity_main);          tv = (TextView) findViewById(R.id.text);          tv2 = (TextView) findViewById(R.id.text2);          tv2.setText("不知道哪个卡可用！");          getNumber();      }      private void getNumber()      {          TelephonyManager tm = (TelephonyManager) this.getSystemService(this.TELEPHONY_SERVICE);          String phoneNumber1 = tm.getLine1Number();          // String phoneNumber2 = tm.getGroupIdLevel1();          initIsDoubleTelephone(this);          if (isDouble)          {              // tv.setText("这是双卡手机！");              tv.setText("本机号码是：" + "   " + phoneNumber1 + "   " + "这是双卡手机！");          } else          {              // tv.setText("这是单卡手机");              tv.setText("本机号码是：" + "   " + phoneNumber1 + "   " + "这是单卡手机");          }      }      public void initIsDoubleTelephone(Context context)      {          isDouble = true;          Method method = null;          Object result_0 = null;          Object result_1 = null;          TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);          try          {              // 只要在反射getSimStateGemini 这个函数时报了错就是单卡手机（这是我自己的经验，不一定全正确）              method = TelephonyManager.class.getMethod("getSimStateGemini", new Class[]              { int.class });              // 获取SIM卡1              result_0 = method.invoke(tm, new Object[]              { new Integer(0) });              // 获取SIM卡2              result_1 = method.invoke(tm, new Object[]              { new Integer(1) });          } catch (SecurityException e)          {              isDouble = false;              e.printStackTrace();              // System.out.println("1_ISSINGLETELEPHONE:"+e.toString());          } catch (NoSuchMethodException e)          {              isDouble = false;              e.printStackTrace();              // System.out.println("2_ISSINGLETELEPHONE:"+e.toString());          } catch (IllegalArgumentException e)          {              isDouble = false;              e.printStackTrace();          } catch (IllegalAccessException e)          {              isDouble = false;              e.printStackTrace();          } catch (InvocationTargetException e)          {              isDouble = false;              e.printStackTrace();          } catch (Exception e)          {              isDouble = false;              e.printStackTrace();              // System.out.println("3_ISSINGLETELEPHONE:"+e.toString());          }          SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);          Editor editor = sp.edit();          if (isDouble)          {              // 保存为双卡手机              editor.putBoolean(ISDOUBLE, true);              // 保存双卡是否可用              // 如下判断哪个卡可用.双卡都可以用              if (result_0.toString().equals("5") && result_1.toString().equals("5"))              {                  if (!sp.getString(SIMCARD, "2").equals("0") && !sp.getString(SIMCARD, "2").equals("1"))                  {                      editor.putString(SIMCARD, "0");                  }                  editor.putBoolean(SIMCARD_1, true);                  editor.putBoolean(SIMCARD_2, true);                  tv2.setText("双卡可用");              } else if (!result_0.toString().equals("5") && result_1.toString().equals("5"))              {// 卡二可用                  if (!sp.getString(SIMCARD, "2").equals("0") && !sp.getString(SIMCARD, "2").equals("1"))                  {                      editor.putString(SIMCARD, "1");                  }                  editor.putBoolean(SIMCARD_1, false);                  editor.putBoolean(SIMCARD_2, true);                  tv2.setText("卡二可用");              } else if (result_0.toString().equals("5") && !result_1.toString().equals("5"))              {// 卡一可用                  if (!sp.getString(SIMCARD, "2").equals("0") && !sp.getString(SIMCARD, "2").equals("1"))                  {                      editor.putString(SIMCARD, "0");                  }                  editor.putBoolean(SIMCARD_1, true);                  editor.putBoolean(SIMCARD_2, false);                  tv2.setText("卡一可用");              } else              {// 两个卡都不可用(飞行模式会出现这种种情况)                  editor.putBoolean(SIMCARD_1, false);                  editor.putBoolean(SIMCARD_2, false);                  tv2.setText("飞行模式");              }          } else          {              // 保存为单卡手机              editor.putString(SIMCARD, "0");              editor.putBoolean(ISDOUBLE, false);          }          editor.commit();      }      @Override      public boolean onCreateOptionsMenu(Menu menu)      {          // Inflate the menu; this adds items to the action bar if it is present.          getMenuInflater().inflate(R.menu.main, menu);          return true;      }  }

当然不要忘记添加权限：

<uses-permission android:name="android.permission.READ_PHONE_STATE" />

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