联新 pda的支持 已经 adapter 关闭的判断

app/build.gradle

@@ -11,12 +11,13 @@ android {
         minSdk 28
         targetSdk 28
         versionCode 1
-        versionName "1.3"
+        versionName "1.4"
 
         // 1.0 IDATA广播模式处理
         // 1.1 霍尼韦尔的监听修改（扫描网站二维码跳出程序，监听失效，调整）、斑马PDA广播模式设置
         // 1.2 霍尼韦尔EDA56、jdk11，gradle7.3、海信PDA广播支持
         // 1.3 东集 pda的支持
+        // 1.4 联新 pda的支持 已经 adapter 关闭的判断
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/chaoran/business/BrandEnum.java

@@ -11,6 +11,7 @@ package chaoran.business;
 public enum BrandEnum {
     //枚举名即为valueOf()
     HISENSE("海信", "hisense"),
+    LACHESIS("联新", "lachesis"),
     UROBO("优博讯", "urobo"),
     ROCKCHIP("瑞芯微电子", "rockchip"),
     TEST("测试设备", "test"),

app/src/main/java/chaoran/business/activity/MainActivity.java

@@ -102,6 +102,8 @@ public class MainActivity extends AppCompatActivity implements ResultListener{
                 adapter = new ZebraAdapter(this, this);
             case HISENSE:
                 adapter = new HisenseAdapter(this, this);
+            case LACHESIS:
+                adapter = new LachesisAdapter(this, this);
         }
         if (null != adapter) {
             adapter.start();
@@ -203,8 +205,10 @@ public class MainActivity extends AppCompatActivity implements ResultListener{
         //webView.loadUrl(url());
      //   voiceEngine.reload();
         super.onResume();
-        adapter.stop();
-        adapter.start();
+        if (adapter != null) {
+            adapter.stop();
+            adapter.start();
+        }
     }
 
     @Override
@@ -214,7 +218,9 @@ public class MainActivity extends AppCompatActivity implements ResultListener{
     }
     @Override
     protected void onDestroy() {
-        adapter.stop();
+        if (adapter != null) {
+            adapter.stop();
+        }
         super.onDestroy();
         if (diPlayer != null) {
             diPlayer.stop();

app/src/main/java/chaoran/business/adapter/LachesisAdapter.java

@@ -0,0 +1,53 @@
+package chaoran.business.adapter;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+
+import chaoran.business.activity.ResultListener;
+import chaoran.business.strategy.Strategy;
+
+public class LachesisAdapter implements Adapter {
+    private Context context;
+    private ResultListener resultListener;
+    private Strategy strategy;
+
+
+    public LachesisAdapter(Context context, ResultListener resultListener) {
+        this.context = context;
+        this.resultListener = resultListener;
+        strategy = new Receiver();
+    }
+
+    @Override
+    public void start() {
+        strategy.executeStrategy(resultListener);
+    }
+
+    @Override
+    public void stop() {
+        strategy.exclusiveStrategy();
+    }
+
+    public class Receiver extends BroadcastReceiver implements Strategy {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            resultListener.result(intent.getStringExtra("data"));
+        }
+
+        @Override
+        public void executeStrategy(ResultListener resultListener) {
+            IntentFilter filter = new IntentFilter();
+            filter.addAction("chaoran");
+            filter.setPriority(2);
+            context.registerReceiver(this, filter);
+        }
+
+        @Override
+        public void exclusiveStrategy() {
+            context.unregisterReceiver(this);
+        }
+    }
+}