优化检测服务端网络连接异常提示

app/build.gradle

@@ -1,6 +1,6 @@
 ext {
     //本地服务端测试地址，把ip地址部分改成ipconfig /all找到的内网地址
-    API_HOST = 'http://192.168.101.3:8080/'
+    API_HOST = 'http://192.168.3.132:8080/'
     //本地rap2服务端测试地址，把ip地址部分改成ipconfig /all找到的内网地址
     RAP2_API_HOST = 'http://192.168.101.3:38080/app/mock/1'
 }

app/src/main/java/com/community/pocket/ui/login/LoginActivity.java

@@ -12,10 +12,9 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ProgressBar;
 
-import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import androidx.constraintlayout.widget.ConstraintLayout;
-import androidx.lifecycle.Observer;
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModelProvider;
 
 import com.community.pocket.R;
@@ -28,7 +27,6 @@ import com.community.pocket.ui.main.ui.share.Response;
 import com.community.pocket.ui.register.RegisterActivity;
 import com.community.pocket.ui.resetpwd.ResetPwdActivity;
 import com.community.pocket.util.AppDatabase;
-import com.community.pocket.util.HttpParse;
 import com.community.pocket.util.HttpRequest;
 import com.community.pocket.util.HttpResponse;
 import com.community.pocket.util.HttpUtil;
@@ -41,7 +39,6 @@ import org.xutils.view.annotation.ViewInject;
 
 import java.util.List;
 
-import okhttp3.Call;
 import okhttp3.FormBody;
 
 /**
@@ -74,17 +71,16 @@ public class LoginActivity extends BaseActivity {
     @ViewInject(R.id.login_layout)
     private ConstraintLayout layout;
 
+    private MutableLiveData<Boolean> bool = new MutableLiveData<>();
+
     /**
      * 保存令牌到数据库并跳转到主界面
      */
     private void saveTokenToDB(@NotNull final LoginResponse response) {
-        new Thread(new Runnable() {
-            @Override
-            public void run() {
-                Token token = response.getToken();
-                sInstance.tokenDao().save(token);
-                saveToken(response);
-            }
+        new Thread(() -> {
+            Token token = response.getToken();
+            sInstance.tokenDao().save(token);
+            saveToken(response);
         }).start();
     }
 
@@ -107,57 +103,59 @@ public class LoginActivity extends BaseActivity {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        HttpUtil.checkServer(this);
+        HttpUtil.checkServer(this, bool);
+
+        bool.observe(this, aBoolean -> {
+            if (aBoolean) {
+                init();
+            }
+        });
+
 
+
+    }
+
+    private void init() {
         loginViewModel = new ViewModelProvider(this, new ViewModelProvider.NewInstanceFactory()).get(LoginViewModel.class);
 
         //后台检查token
         hasOnlyUserToken();
 
         //监听token校验状态
-        loginViewModel.getCheckToken().observe(this, new Observer<LoginResponse>() {
-            @Override
-            public void onChanged(LoginResponse loginResponse) {
-                if (loginResponse.getResult() == com.community.pocket.ui.main.ui.share.Response.Result.OK) {
-                    saveToken(loginResponse);
-                } else {
-                    layout.setVisibility(View.VISIBLE);
-                }
+        loginViewModel.getCheckToken().observe(this, loginResponse -> {
+            if (loginResponse.getResult() == Response.Result.OK) {
+                saveToken(loginResponse);
+            } else {
+                layout.setVisibility(View.VISIBLE);
             }
         });
 
         //监听数据校验状态
-        loginViewModel.getLoginFormState().observe(this, new Observer<LoginFormState>() {
-            @Override
-            public void onChanged(@Nullable LoginFormState loginFormState) {
-                if (loginFormState == null) {
-                    return;
-                }
-                loginButton.setEnabled(loginFormState.isDataValid());
-                if (loginFormState.getUsernameError() != null) {
-                    usernameEditText.setError(getString(loginFormState.getUsernameError(), PropertiesUtil.getIntValue("username.length")));
-                }
-                if (loginFormState.getPasswordError() != null) {
-                    passwordEditText.setError(getString(loginFormState.getPasswordError(), PropertiesUtil.getIntValue("password.length")));
-                }
+        loginViewModel.getLoginFormState().observe(this, loginFormState -> {
+            if (loginFormState == null) {
+                return;
+            }
+            loginButton.setEnabled(loginFormState.isDataValid());
+            if (loginFormState.getUsernameError() != null) {
+                usernameEditText.setError(getString(loginFormState.getUsernameError(), PropertiesUtil.getIntValue("username.length")));
+            }
+            if (loginFormState.getPasswordError() != null) {
+                passwordEditText.setError(getString(loginFormState.getPasswordError(), PropertiesUtil.getIntValue("password.length")));
             }
         });
 
         //监听登陆请求结果
-        loginViewModel.getLoginResult().observe(this, new Observer<LoginResponse>() {
-            @Override
-            public void onChanged(@Nullable LoginResponse loginResponse) {
-                if (loginResponse == null) {
-                    return;
-                }
-                loadingProgressBar.setVisibility(View.GONE);
-                setResult(Activity.RESULT_OK);
+        loginViewModel.getLoginResult().observe(this, loginResponse -> {
+            if (loginResponse == null) {
+                return;
+            }
+            loadingProgressBar.setVisibility(View.GONE);
+            setResult(Activity.RESULT_OK);
 
-                if (loginResponse.getResult() == Response.Result.OK) {
-                    saveTokenToDB(loginResponse);
-                } else {
-                    loginResponse.toast(getApplicationContext());
-                }
+            if (loginResponse.getResult() == Response.Result.OK) {
+                saveTokenToDB(loginResponse);
+            } else {
+                loginResponse.toast(getApplicationContext());
             }
         });
 
@@ -176,7 +174,6 @@ public class LoginActivity extends BaseActivity {
         passwordEditText.addTextChangedListener(afterTextChangedListener);
     }
 
-
     /**
      * 查询本地是否有且只有一个用户token，如果有则自动登录
      */
@@ -191,13 +188,7 @@ public class LoginActivity extends BaseActivity {
                 List<Token> tokenList = sInstance.tokenDao().queryAll();
                 if (tokenList != null && tokenList.size() == 1) {
                     Token currentToken = tokenList.get(0);
-                    HttpUtil.getRequest(HttpUtil.Method.POST, new HttpResponse<>(LoginResponse.class, new HttpParse<LoginResponse>() {
-                                @Override
-                                public void onParseOk(@NotNull Call call, @NotNull okhttp3.Response response, LoginResponse loginResponse) {
-                                    loginViewModel.getCheckToken().postValue(loginResponse);
-                                }
-
-                            }),
+                    HttpUtil.getRequest(HttpUtil.Method.POST, new HttpResponse<>(LoginResponse.class, (call, response, loginResponse) -> loginViewModel.getCheckToken().postValue(loginResponse)),
                             new FormBody.Builder()
                                     .add("token", currentToken.getToken())
                                     .build()

app/src/main/java/com/community/pocket/util/HttpUtil.java

@@ -16,6 +16,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.ConstraintLayout;
+import androidx.lifecycle.MutableLiveData;
 
 import com.community.pocket.BuildConfig;
 import com.community.pocket.R;
@@ -65,47 +66,41 @@ public class HttpUtil {
         call.enqueue(callback);
     }
 
+    //关闭弹窗
+    private static AlertDialog.Builder getBuilder(Context context) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        View view = View.inflate(context, R.layout.debug_title, null);
+        ImageView imageView = view.findViewById(R.id.close);
+        imageView.setOnClickListener(v -> {
+            View confirm = View.inflate(context, R.layout.debug_alert, null);
+            AlertDialog.Builder dialog = new AlertDialog.Builder(context);
+            dialog.setView(confirm);
+            final AlertDialog alertDialog = dialog.create();
+            confirm.findViewById(R.id.yes).setOnClickListener(v1 -> System.exit(0));
+            confirm.findViewById(R.id.no).setOnClickListener(v12 -> alertDialog.dismiss());
+            alertDialog.show();
+        });
+        builder.setCustomTitle(view);
+        return builder;
+    }
+
     //检查服务端连接
-    public static void checkServer(final Context context) {
-        //1.创建OkHttpClient对象
-        OkHttpClient okHttpClient = new OkHttpClient();
-        //2.创建Request对象，设置一个url地址（百度地址）,设置请求方式。
-        Request.Builder builder = new Request.Builder().url(BuildConfig.API_HOST);
-        //3.创建一个call对象,参数就是Request请求对象
-        Call call = okHttpClient.newCall(builder.build());
-        //4.请求加入调度，重写回调方法
-        call.enqueue(new Callback() {
-            @Override
-            public void onFailure(@NotNull Call call, @NotNull IOException e) {
-                if (BuildConfig.DEBUG) {
-                    Looper.prepare();
-                    AlertDialog.Builder builder = new AlertDialog.Builder(context);
-                    View view = View.inflate(context, R.layout.debug_title, null);
-                    ImageView imageView = view.findViewById(R.id.close);
-                    imageView.setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View v) {
-                            View confirm = View.inflate(context, R.layout.debug_alert, null);
-                            AlertDialog.Builder dialog = new AlertDialog.Builder(context);
-                            dialog.setView(confirm);
-                            final AlertDialog alertDialog = dialog.create();
-                            confirm.findViewById(R.id.yes).setOnClickListener(new View.OnClickListener() {
-                                @Override
-                                public void onClick(View v) {
-                                    System.exit(0);
-                                }
-                            });
-                            confirm.findViewById(R.id.no).setOnClickListener(new View.OnClickListener() {
-                                @Override
-                                public void onClick(View v) {
-                                    alertDialog.dismiss();
-                                }
-                            });
-                            alertDialog.show();
-                        }
-                    });
-                    builder.setCustomTitle(view);
-                    if (Patterns.WEB_URL.matcher(BuildConfig.API_HOST).matches()) {
+    public static void checkServer(final Context context, MutableLiveData<Boolean> bool) {
+        if (Patterns.WEB_URL.matcher(BuildConfig.API_HOST).matches()) {
+            //1.创建OkHttpClient对象
+            OkHttpClient okHttpClient = new OkHttpClient();
+            //2.创建Request对象，设置一个url地址（百度地址）,设置请求方式。
+            Request.Builder builder = new Request.Builder().url(BuildConfig.API_HOST);
+            //3.创建一个call对象,参数就是Request请求对象
+            Call call = okHttpClient.newCall(builder.build());
+            //4.请求加入调度，重写回调方法
+            call.enqueue(new Callback() {
+                @Override
+                public void onFailure(@NotNull Call call, @NotNull IOException e) {
+                    bool.postValue(false);
+                    if (BuildConfig.DEBUG) {
+                        Looper.prepare();
+                        AlertDialog.Builder builder = getBuilder(context);
                         ConstraintLayout constraintLayout = (ConstraintLayout) View.inflate(context, R.layout.debug, null);
                         TextView buildType = constraintLayout.findViewById(R.id.build_type);
                         buildType.setText(context.getString(R.string.build_type, BuildConfig.BUILD_TYPE));
@@ -138,35 +133,41 @@ public class HttpUtil {
                         testPort.setGravity(error.getGravity());
                         linearLayout.addView(testPort, index + 1);
 
-                        openUrl.setOnClickListener(new View.OnClickListener() {
-                            @Override
-                            public void onClick(View v) {
-                                //从其他浏览器打开
-                                Intent intent = new Intent();
-                                intent.setAction(Intent.ACTION_VIEW);
-                                Uri content_url = Uri.parse(BuildConfig.API_HOST);
-                                intent.setData(content_url);
-                                Activity activity = (Activity) context;
-                                activity.startActivity(Intent.createChooser(intent, context.getString(R.string.choose_browser)));
-
-                            }
-                        });
+                        openUrl.setOnClickListener(v -> {
+                            //从其他浏览器打开
+                            Intent intent = new Intent();
+                            intent.setAction(Intent.ACTION_VIEW);
+                            Uri content_url = Uri.parse(BuildConfig.API_HOST);
+                            intent.setData(content_url);
+                            Activity activity = (Activity) context;
+                            activity.startActivity(Intent.createChooser(intent, context.getString(R.string.choose_browser)));
 
+                        });
 
                         builder.setView(constraintLayout);
-                    } else {
-                        builder.setMessage(context.getString(R.string.error_api_host, BuildConfig.API_HOST));
+                        builder.show();
+                        Looper.loop();
                     }
-                    builder.show();
-                    Looper.loop();
                 }
-            }
-
-            @Override
-            public void onResponse(@NotNull Call call, @NotNull Response response) {
 
+                @Override
+                public void onResponse(@NotNull Call call, @NotNull Response response) {
+                    bool.postValue(true);
+                }
+            });
+        } else {
+            String msg = "\n";
+            if (BuildConfig.API_HOST.contains(" ")) {
+                msg += context.getString(R.string.server_address_error_1);
+            } else if (BuildConfig.API_HOST.contains("：") || BuildConfig.API_HOST.contains("。")) {
+                msg += context.getString(R.string.server_address_error_2);
+            } else if (!BuildConfig.API_HOST.startsWith("http")) {
+                msg += context.getString(R.string.server_address_error_3);
+            } else {
+                msg += context.getString(R.string.server_address_error_4);
             }
-        });
+            getBuilder(context).setMessage(context.getString(R.string.server_address_error, BuildConfig.API_HOST) + msg).show();
+        }
     }
 
     public enum Method {
@@ -222,9 +223,7 @@ public class HttpUtil {
                 if (httpRequest != null) {
                     return httpRequest.value();
                 }
-            } catch (ClassNotFoundException e) {
-                e.printStackTrace();
-            } catch (RuntimeException e) {
+            } catch (ClassNotFoundException | RuntimeException e) {
                 e.printStackTrace();
             }
         }

app/src/main/res/values-en-rUS/strings.xml

@@ -222,4 +222,9 @@
     <string name="score_notes">notes:\n%1s</string>
     <string name="notice_prev">notice prev</string>
     <string name="notice_next">notice next</string>
+    <string name="server_address_error">server:%1s error</string>
+    <string name="server_address_error_1">服务端地址不能包含空格</string>
+    <string name="server_address_error_2">服务端地址的冒号句号应该是半角符号，\":\"、\".\"，而不是全角符号\"：\"、\"。\"</string>
+    <string name="server_address_error_3">服务端地址应该以http开头</string>
+    <string name="server_address_error_4">恭喜你发现了新的错误，请联系管理员解决问题</string>
 </resources>

app/src/main/res/values-zh-rCN/strings.xml

@@ -222,4 +222,9 @@
     <string name="score_notes">备注信息：\n%1s</string>
     <string name="notice_prev">上一条公告</string>
     <string name="notice_next">下一条公告</string>
+    <string name="server_address_error">服务端地址：%1s不合法</string>
+    <string name="server_address_error_1">服务端地址不能包含空格</string>
+    <string name="server_address_error_2">服务端地址的冒号句号应该是半角符号，\":\"、\".\"，而不是全角符号\"：\"、\"。\"</string>
+    <string name="server_address_error_3">服务端地址应该以http开头</string>
+    <string name="server_address_error_4">恭喜你发现了新的错误，请联系管理员解决问题</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -223,6 +223,11 @@
     <string name="score_notes">notes:\n%1s</string>
     <string name="notice_prev">notice prev</string>
     <string name="notice_next">notice next</string>
+    <string name="server_address_error">server:%1s error</string>
+    <string name="server_address_error_1">服务端地址不能包含空格</string>
+    <string name="server_address_error_2">服务端地址的冒号句号应该是半角符号，\":\"、\".\"，而不是全角符号\"：\"、\"。\"</string>
+    <string name="server_address_error_3">服务端地址应该以http开头</string>
+    <string name="server_address_error_4">恭喜你发现了新的错误，请联系管理员解决问题</string>
     <!-- Strings used for fragments for navigation -->
 
     <!-- Strings used for fragments for navigation -->

app/src/test/java/com/community/pocket/ExampleUnitTest.java

@@ -1,5 +1,7 @@
 package com.community.pocket;
 
+import android.util.Patterns;
+
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -14,4 +16,9 @@ public class ExampleUnitTest {
     public void addition_isCorrect() {
         assertEquals(4, 2 + 2);
     }
+
+    @Test
+    public void testIP() {
+        System.out.println(Patterns.WEB_URL.matcher("http:// 192.168.1.1").matches());
+    }
 }