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zhuguifei

2025-12-30 61eee1173c00a7ba9d9c748d28fe3acdb33b9441

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package com.shlb.comb.adapter;
 
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
 
 
import com.blakequ.bluetooth_manager_lib.device.BeaconType;
import com.blakequ.bluetooth_manager_lib.device.BeaconUtils;
import com.blakequ.bluetooth_manager_lib.device.BluetoothLeDevice;
import com.blakequ.bluetooth_manager_lib.device.adrecord.AdRecord;
import com.blakequ.bluetooth_manager_lib.device.ibeacon.IBeaconDevice;
import com.blakequ.bluetooth_manager_lib.util.ByteUtils;
import com.shlb.comb.R;
import com.shlb.comb.util.Constants;
 
 
public class DeviceListAdapter extends BaseArrayListAdapter<BluetoothLeDevice>{
 
    private int scrodKey;
    public DeviceListAdapter(Context context) {
        super(context);
    }
 
    public void updateConfig(int scrodKey){
        this.scrodKey = scrodKey;
    }
 
    @Override
    public View getView(int position, View view, ViewGroup parent) {
        final ViewHolder viewHolder;
        // General ListView optimization code.
        if (view == null) {
            view = mInflater.inflate(R.layout.dialog_layout_bluetooth_item, null);
            viewHolder = new ViewHolder();
            viewHolder.deviceAddress = (TextView) view.findViewById(R.id.device_address);
            viewHolder.deviceName = (TextView) view.findViewById(R.id.device_name);
            viewHolder.deviceIcon = (ImageView) view.findViewById(R.id.device_icon);
 
            view.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) view.getTag();
        }
 
        final BluetoothLeDevice device = (BluetoothLeDevice) getItem(position);
        final String deviceName = device.getName();
        final double rssi = device.getRssi();
 
        if (deviceName != null && deviceName.length() > 0) {
            viewHolder.deviceName.setText(deviceName);
        } else {
            viewHolder.deviceName.setText(R.string.unknown_device);
        }
 
 
 
 
 
        return view;
    }
 
    public double calculateAccuracy(final int txPower, final double rssi) {
        if (rssi == 0) {
            return 0; // if we cannot determine accuracy, return -1.
        }
 
        final double ratio = rssi * 1.0 / txPower;
        if (ratio < 1.0) {
            return Math.pow(ratio, 10);
        } else {
            return (0.89976) * Math.pow(ratio, 7.7095) + 0.111;
        }
    }
 
    static class ViewHolder {
        TextView deviceName;
        TextView deviceAddress;
        ImageView deviceIcon;
 
    }
}