Android 12 获取保存文件中的对应设备号信息

最新推荐文章于 2025-01-06 17:52:20 发布

原创最新推荐文章于 2025-01-06 17:52:20 发布 · 601 阅读

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— a/alps/vendor/mediatek/proprietary/packages/apps/MtkSettings/src/com/android/settings/deviceinfo/hardwareinfo/SerialNumberPreferenceController.java
+++ b/alps/vendor/mediatek/proprietary/packages/apps/MtkSettings/src/com/android/settings/deviceinfo/hardwareinfo/SerialNumberPreferenceController.java
@@ -23,10 +23,31 @@ import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.slices.Sliceable;

+import java.io.File;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+import java.io.BufferedReader;
+import java.lang.StringBuilder;
+import java.io.IOException;
+import java.io.FileOutputStream;
+import android.os.Environment;
+import java.io.PrintWriter;
+import android.util.Log;
+
public class SerialNumberPreferenceController extends BasePreferenceController {
+

```
  private String mSnStr;
```
private String mStr;

public SerialNumberPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
```
          //20240516 add by  start
```

          File mFile = new File ("/storage/emulated/0/BWC4G.ini");

   mSnStr = getSnFromFile(context,mFile);

          Log.d("SerialNumberPreferenceController", "mSnStr =" + mSnStr);

```
          //20240516 add by  end
```
}

@Override
@@ -45,9 +66,40 @@ public class SerialNumberPreferenceController extends BasePreferenceController {
Sliceable.setCopyContent(mContext, getSummary(),
mContext.getText(R.string.status_serial_number));
}

//20240517 modify by start
@Override

public CharSequence getSummary() {
```
   return Build.getSerial();
```

public CharSequence getSummary() {
```
   return mSnStr;
```
}
```
  //20240517 modify by  end
```
```
  //20240516 add by  start
```

  public String getSnFromFile(Context context, File file) {

```
   try {
```

       FileInputStream fis = new FileInputStream(file);

       InputStreamReader isr = new InputStreamReader(fis);

       BufferedReader bufferedReader = new BufferedReader(isr);

       StringBuilder sb = new StringBuilder();

```
       String line;
```
```
                  int lineNumber = 0;
```

       while ((line = bufferedReader.readLine()) != null) {

                          lineNumber++;

                          if (lineNumber == 2) {

                                  int index = line.indexOf("=");

               mStr = line.substring(index + 1);

                                  Log.d("getSnFromFile","mStr =" + mStr);

               //System.out.println("Second line: " + line);

```
               break;
```
```
           }
```
```
           sb.append(line);
```
```
       }
```
```
       //return sb.toString();
```
```
                  return mStr;
```
```
   } catch (FileNotFoundException e) {
```
```
       e.printStackTrace();
```
```
   } catch (IOException e) {
```
```
       e.printStackTrace();
```
```
    }
```
```
   return null;
```
}
```
  //20240516 add by  end
```

}