Integrando indicador de 'loading' às chamadas remotas a casos de uso

app/src/main/java/br/com/evologica/mvp/di/module/ApplicationModule.java

@@ -13,6 +13,7 @@ import br.com.evologica.mvp.data.prefs.AppPreferencesHelper;
 import br.com.evologica.mvp.data.prefs.PreferencesHelper;
 import br.com.evologica.mvp.di.ApplicationContext;
 import br.com.evologica.mvp.di.PreferenceInfo;
+import br.com.evologica.mvp.utils.AppConstants;
 import dagger.Module;
 import dagger.Provides;
 import uk.co.chrisjenx.calligraphy.CalligraphyConfig;
@@ -56,7 +57,7 @@ public class ApplicationModule {
     @Provides
     @PreferenceInfo
     String providePreferenceName(){
-        return "whatever";
+        return AppConstants.PREF_NAME;
     }
 
     @Provides

app/src/main/java/br/com/evologica/mvp/ui/base/BaseActivity.java

 package br.com.evologica.mvp.ui.base;
 
+import android.app.ProgressDialog;
 import android.content.Context;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -15,12 +16,15 @@ import br.com.evologica.mvp.R;
 import br.com.evologica.mvp.di.component.ActivityComponent;
 import br.com.evologica.mvp.di.component.DaggerActivityComponent;
 import br.com.evologica.mvp.di.module.ActivityModule;
+import br.com.evologica.mvp.utils.CommonUtils;
 import uk.co.chrisjenx.calligraphy.CalligraphyContextWrapper;
 
 public class BaseActivity extends AppCompatActivity implements MvpView, BaseFragment.Callback {
 
     private ActivityComponent mActivityComponent;
 
+    private ProgressDialog mProgressDialog;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -51,12 +55,15 @@ public class BaseActivity extends AppCompatActivity implements MvpView, BaseFrag
 
     @Override
     public void showLoading() {
-
+        hideLoading();
+        mProgressDialog = CommonUtils.showLoadingDialog(this);
     }
 
     @Override
     public void hideLoading() {
-
+        if (mProgressDialog != null && mProgressDialog.isShowing()) {
+            mProgressDialog.cancel();
+        }
     }
 
     @Override

app/src/main/java/br/com/evologica/mvp/ui/login/LoginPresenter.java

@@ -23,6 +23,7 @@ public class LoginPresenter<V extends LoginMvpView> extends BasePresenter<V> imp
 
     @Override
     public void onLogin(String email, String password) {
+        getMvpView().showLoading();
         getCompositeDisposable().add(
                 getDataManager().getService().openSession(email, password)
                 .subscribeOn(Schedulers.io())
@@ -31,11 +32,14 @@ public class LoginPresenter<V extends LoginMvpView> extends BasePresenter<V> imp
                         session -> {
                             getDataManager().setLoggedIn();
                             getMvpView().openMainActivity();
+                            getMvpView().hideLoading();
                         },
                         err -> {
                             getDataManager().setLoggedOut();
                             getMvpView().onError(err.getMessage());
+                            getMvpView().hideLoading();
                         }
+
                 )
         );
     }

app/src/main/java/br/com/evologica/mvp/ui/main/MainPresenter.java

@@ -21,6 +21,7 @@ public class MainPresenter<V extends MainMvpView> extends BasePresenter<V> imple
     @Override
     public void onAttach(V mvpView) {
         super.onAttach(mvpView);
+        getMvpView().showLoading();
         getCompositeDisposable().add(
                 getDataManager().getService().openUseCase("3034", "ConsultarEventos")
                         .subscribeOn(Schedulers.io())
@@ -39,20 +40,23 @@ public class MainPresenter<V extends MainMvpView> extends BasePresenter<V> imple
                                             },
                                             err -> {
                                                 System.out.println(err.getMessage());
-                                            }
+                                            },
+                                            getMvpView()::hideLoading
                                     );
                                 },
                                 err -> {
                                     getDataManager().setLoggedOut();
                                     getMvpView().openLoginActivity();
                                     System.out.println(err.getMessage());
+                                    getMvpView().hideLoading();
                                 }
+
                         )
         );
     }
     @Override
     public void onLogout() {
-
+        getMvpView().showLoading();
         getCompositeDisposable().add(
                 getDataManager().getService().closeSession()
                         .subscribeOn(Schedulers.io())
@@ -66,7 +70,8 @@ public class MainPresenter<V extends MainMvpView> extends BasePresenter<V> imple
                                     getDataManager().setLoggedOut();
                                     getMvpView().openLoginActivity();
                                     System.out.println(err.toString());
-                                }
+                                },
+                                getMvpView()::hideLoading
                         )
         );
 

app/src/main/java/br/com/evologica/mvp/utils/AppConstants.java

+package br.com.evologica.mvp.utils;
+
+/**
+ * Created by marcussales on 02/03/2017.
+ */
+
+public final class AppConstants {
+
+    public static final String PREF_NAME = "pref";
+
+    private AppConstants(){
+
+    }
+}

app/src/main/java/br/com/evologica/mvp/utils/CommonUtils.java

+package br.com.evologica.mvp.utils;
+
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+
+import br.com.evologica.mvp.R;
+
+/**
+ * Created by marcussales on 02/03/2017.
+ */
+
+public final class CommonUtils {
+
+    private static final String TAG = "CommonUtils";
+
+    private CommonUtils() {
+        // This utility class is not publicly instantiable
+    }
+
+    public static ProgressDialog showLoadingDialog(Context context) {
+        ProgressDialog progressDialog = new ProgressDialog(context);
+        progressDialog.show();
+        if (progressDialog.getWindow() != null) {
+            progressDialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
+        }
+        progressDialog.setContentView(R.layout.progress_dialog);
+        progressDialog.setIndeterminate(true);
+        progressDialog.setCancelable(true);
+        progressDialog.setCanceledOnTouchOutside(false);
+        return progressDialog;
+    }
+}

app/src/main/res/layout/progress_dialog.xml

+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (C) 2017 MINDORKS NEXTGEN PRIVATE LIMITED
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://mindorks.com/license/apache-v2
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License
+  -->
+
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center"
+    android:background="@android:color/transparent">
+
+    <ProgressBar
+        android:id="@+id/pb_loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:progressDrawable="@color/black_effective" />
+</RelativeLayout>
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