解决Android 6.0 Sim卡 iccid获取不完整问题

原创已于 2022-08-10 14:33:10 修改 · 3.2k 阅读

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#android #android studio #ide

于 2022-07-06 15:38:51 首次发布

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这篇博客介绍了如何解决在Android 6.0系统中Sim卡iccid获取不完整的问题，通过修改`IccUtils.java`和`SIMRecords.java`文件，利用`SystemProperties`和`Settings`进行修复。

diff --git a/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/IccUtils.java b/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/IccUtils.java
old mode 100644
new mode 100755
index 3c2f1f3…2e6f44c
— a/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/IccUtils.java
+++ b/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/IccUtils.java
@@ -25,6 +25,12 @@ import android.telephony.Rlog;
import com.android.internal.telephony.GsmAlphabet;
import java.io.UnsupportedEncodingException;

+import android.provider.Settings;
+import android.content.Context;
+import android.util.Log;
+import android.os.SystemProperties;
+
+
/**

Various methods, useful for dealing with SIM data.
*/
@@ -41,25 +47,90 @@ public class IccUtils {
*/
public static String
bcdToString(byte[] data, int offset, int length) {

try {

    String result = SystemProperties.get("net.ppp0.sim_ccid");

   Log.i(LOG_TAG, "getSystemProperties: "+result);

+//ghijklmnopqrstuvwxyz

   if (result.contains("g") || result.contains("h")|| result.contains("i")|| result.contains("j") ||

   result.contains("k") || result.contains("l")|| result.contains("m")|| result.contains("n")  ||

   result.contains("o") || result.contains("p")|| result.contains("q")|| result.contains("r")  ||

   result.contains("s") || result.contains("t")|| result.contains("u")|| result.contains("v")  ||

   result.contains("w") || result.contains("x")|| result.contains("y")|| result.contains("z")){

  			String lowerIccid =  LowercaseToString(data,offset,length);

  		  Log.i(LOG_TAG,"lowerIccid: " +lowerIccid);

```
  		return lowerIccid;
```

   }else if (result.contains("G") || result.contains("H")|| result.contains("I")|| result.contains("J") ||

           result.contains("K") || result.contains("L")|| result.contains("M")|| result.contains("N")  ||

           result.contains("O") || result.contains("P")|| result.contains("Q")|| result.contains("R")  ||

           result.contains("S") || result.contains("T")|| result.contains("U")|| result.contains("V")  ||

           result.contains("W") || result.contains("X")|| result.contains("Y")|| result.contains("Z")){

  	   return HeightcaseToString(data,offset,length);

```
   }else{
```
```
       //default
```

       Log.i(LOG_TAG, "iccid---default");

  	DefaultToString(data,offset,length);

```
   }
```

       int sim_iccid_status = SystemProperties.getInt("sim_iccid_status",0);//Settings.Global.getInt(mContext.getContentResolver(), "sim_iccid_status",0);

```
       //0 小写  1 大小
```

     //  Settings.Global.putInt(this.getContentResolver(),"sim_iccid_status",1);

```
   } catch (Exception e) {
```
```
       e.printStackTrace();
```
```
   }
```
```
  return "";
```
}
public static String
DefaultToString(byte[] data, int offset, int length) {
StringBuilder ret = new StringBuilder(length*2);
```
for (int i = offset ; i < offset + length ; i++) {
```

       byte b;
       int v;

       v = data[i] & 0xf;

```
       if (v > 9)  break;
```
```
       ret.append((char)('0' + v));
```

       ret.append("0123456789abcdef".charAt(v));

       v = (data[i] >> 4) & 0xf;

       // Some PLMNs have 'f' as high nibble, ignore it

```
       if (v == 0xf) continue;
```
```
       if (v > 9)  break;
```
```
       ret.append((char)('0' + v));
```

       ret.append("0123456789abcdef".charAt(v));
   }

   return ret.toString();

}

static String LowercaseToString(byte[] data, int offset, int length){

  StringBuilder ret = new StringBuilder(length*2);

  for (int i = offset ; i < offset + length ; i++) {

```
  int v;
```
```
  v = data[i] & 35;
```

  ret.append("0123456789abcdefghijklmnopqrstuvwxyz".charAt(v));

```
  v = (data[i] >> 4) & 35;
```

  ret.append("0123456789abcdefghijklmnopqrstuvwxyz".charAt(v));

```
  }
```
```
  return ret.toString();
```
}
static String HeightcaseToString(byte[] data, int offset, int length){

  StringBuilder ret = new StringBuilder(length*2);

  for (int i = offset ; i < offset + length ; i++) {

```
  int v;
```
```
  v = data[i] & 35;
```

  ret.append("0123456789ABCDEFGHIJKMNOPQRSTUVWXYZ".charAt(v));

```
  v = (data[i] >> 4) & 35;
```

  ret.append("0123456789ABCDEFGHIJKMNOPQRSTUVWXYZ".charAt(v));

```
  }
```
```
  return ret.toString();
```
}

 /**
  * Decode cdma byte into String.

diff --git a/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/SIMRecords.java b/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/SIMRecords.java
old mode 100644
new mode 100755
index 4c93b21…bb6fc54
— a/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/SIMRecords.java
+++ b/android/frameworks/opt/telephony/src/java/com/android/internal/telephony/uicc/SIMRecords.java
@@ -38,6 +38,10 @@ import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;

+import java.util.Arrays;
+import android.util.Log;
+import android.os.SystemProperties;
+
/**

{@hide}
*/
@@ -863,8 +867,8 @@ public class SIMRecords extends IccRecords {
if (ar.exception != null) {
break;
}

           mIccId = IccUtils.bcdToString(data, 0, data.length);

log("initdata: " +Arrays.toString(data));

           mIccId = SystemProperties.get("net.ppp0.sim_ccid");//IccUtils.bcdToString(data, 0, data.length);

           log("iccid: " + mIccId);