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处理链接断开问题

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This commit is contained in:
DESKTOP-E478071\lzj
2020-01-06 15:31:24 +08:00
parent 3d55b10314
commit 3837dd05d8
2 changed files with 86 additions and 45 deletions
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README.md
+11 -3
View File
@@ -5,7 +5,7 @@
**相关方法**
- openBlueTooth
- openBlueTooth **打开设备蓝牙**
- 参数
- success 成功回调
- error 失败回调
@@ -17,7 +17,7 @@
rfid.openBlueTooth(success,error);
```
- getBlueToothList
- getBlueToothList **获取蓝牙列表，会自动调用openBlueTooth方法**
- 参数
- success 成功回调
- error 失败回调
@@ -28,7 +28,7 @@
```
rfid.getBlueToothList(success,error);
```
- connectBlueTooth
- connectBlueTooth **链接某蓝牙**
- 参数
- success 成功回调
- error 失败回调
@@ -40,6 +40,14 @@
```
rfid.connectBlueTooth(success,error,{address: address});
```
- window.sendDataToJs
**注：这是一个js方法，用于plugin向js发送消息，通知更新蓝牙的链接状态**
- 返回值
- {code : 0/1} => 0 链接断开 1 链接正常
- 调用示例
```
window.sendDataToJs = function (data) { }
```
- read
- 参数
- success 成功回调
src/android/cn/shuto/rfid/RfidPlugin.java
+75 -42
View File
@@ -56,6 +56,9 @@ public class RfidPlugin extends CordovaPlugin {
//蓝牙设备列表
private List<BluetoothDevice> mBlueToothList;
//判断设备是否已连接蓝牙
private Boolean isConnect = false;
@Override
public void initialize(CordovaInterface cordova, CordovaWebView webView) {
super.initialize(cordova, webView);
@@ -97,58 +100,88 @@ public class RfidPlugin extends CordovaPlugin {
}
break;
case CONNECT_BLUETOOTH:
JSONObject obj = args.getJSONObject(0);
String address = obj.getString("address");
if ("".equals(address)) {
this.mCallbackContext.error("蓝牙地址为空");
if (isConnect) {
mCallbackContext.success("模块打开成功");
} else {
mAPI.onStart(address, new CallbackListener() {
@Override
public void callback(final boolean b, final String s) {
cordova.getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if (b) {
mCallbackContext.success(s);
} else {
mCallbackContext.error(s);
JSONObject obj = args.getJSONObject(0);
String address = obj.getString("address");
if ("".equals(address)) {
this.mCallbackContext.error("蓝牙地址为空");
} else {
mAPI.onStart(address, new CallbackListener() {
@Override
public void callback(final boolean b, final String s) {
cordova.getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
isConnect = b;
//主动向页面发送消息
JSONObject obj = new JSONObject();
try {
if (b) {
obj.put("code", 1);
} else {
obj.put("code", 0);
}
} catch (JSONException e) {
e.printStackTrace();
}
webView.loadUrl("javascript:sendDataToJs(" + obj.toString() + ");");
//页面主动调用是返回值
if (b) {
mCallbackContext.success(s);
} else {
mCallbackContext.error(s);
}
}
}
});
}
});
});
}
});
}
}
break;
case READ:
if (mAPI != null) {
mAPI.sendCmdOnReadTag();
if (!isConnect) {
this.mCallbackContext.error("蓝牙设备已断开,请检测是否连接");
} else {
if (mAPI != null) {
mAPI.sendCmdOnReadTag();
} else {
this.mCallbackContext.error("插件初始化失败");
}
}
break;
case WRITE:
if (mAPI != null) {
//获取客户端传来的epc值与编码方式。编码方式如果不传则默认0C
JSONObject obj1 = args.getJSONObject(0);
String number = obj1.getString("epc_number");
String epclen = "0c";
if (obj1.has("epc_len")) {
epclen = obj1.getString("epc_len");
if ("".equals(epclen)) {
epclen = "0c";
if (!isConnect) {
this.mCallbackContext.error("蓝牙设备已断开,请检测是否连接");
} else {
if (mAPI != null) {
//获取客户端传来的epc值与编码方式。编码方式如果不传则默认0C
JSONObject obj1 = args.getJSONObject(0);
String number = obj1.getString("epc_number");
String epclen = "0c";
if (obj1.has("epc_len")) {
epclen = obj1.getString("epc_len");
if ("".equals(epclen)) {
epclen = "0c";
}
}
}
int value;
//将16进制0C转换为十进制数 12
value = Integer.parseInt(epclen, 16);
if (value % 2 != 0) {
mCallbackContext.error("epclen输入字节长度不能为奇数");
} else {
if ("".equals(number)) {
mCallbackContext.error("EPC值不能为空");
} else if (value * 2 != number.length()) {
mCallbackContext.error("输入内容长度与设置的字节长度不一致");
int value;
//将16进制0C转换为十进制数 12
value = Integer.parseInt(epclen, 16);
if (value % 2 != 0) {
mCallbackContext.error("epclen输入字节长度不能为奇数");
} else {
mAPI.sendCmdOnEditEPC(number);
if ("".equals(number)) {
mCallbackContext.error("EPC值不能为空");
} else if (value * 2 != number.length()) {
mCallbackContext.error("输入内容长度与设置的字节长度不一致");
} else {
mAPI.sendCmdOnEditEPC(number);
}
}
} else {
this.mCallbackContext.error("插件初始化失败");
}
}
break;
@@ -169,7 +202,7 @@ public class RfidPlugin extends CordovaPlugin {
//读取成功的返回值
JSONObject obj = new JSONObject();
try {
obj.put("message","读取成功");
obj.put("message", "读取成功");
obj.put("data", list);
} catch (JSONException e) {
mCallbackContext.error(e.getMessage());