up files

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "schoolofnet.com.requestshttp"
+        minSdkVersion 23
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        targetCompatibility 1.8
+        sourceCompatibility 1.8
+    }
+}
+
+
+
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    compile 'com.squareup.okhttp3:okhttp:3.9.0'
+    compile 'com.google.code.gson:gson:2.8.2'
+    compile 'me.dm7.barcodescanner:zbar:1.9.8'
+    compile 'com.android.support:cardview-v7:26.1.0'
+    compile 'com.github.yalantis:ucrop:2.2.1-native'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
+-dontwarn com.yalantis.ucrop**
+-keep class com.yalantis.ucrop** { *; }
+-keep interface com.yalantis.ucrop** { *; }

app/src/androidTest/java/schoolofnet/com/requestshttp/ExampleInstrumentedTest.java

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+package schoolofnet.com.requestshttp;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("schoolofnet.com.requestshttp", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="schoolofnet.com.requestshttp">
+
+    <uses-feature android:name="android.hardware.camera2" />
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-feature android:name="android.hardware.camera.autofocus" />
+
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <application
+        android:largeHeap="true"
+        android:hardwareAccelerated="true"
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name="com.yalantis.ucrop.UCropActivity"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.AppCompat.Light.NoActionBar"/>
+        <activity android:name=".AddContactActivity" />
+        <activity android:name=".DecoderActivity" />
+        <activity android:name=".DocumentActivity"></activity>
+
+        <provider
+            android:name="android.support.v4.content.FileProvider"
+            android:authorities="schoolofnet.com.android.FileProvider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths"></meta-data>
+        </provider>
+    </application>
+
+</manifest>

app/src/main/java/schoolofnet/com/requestshttp/AddContactActivity.java

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+package schoolofnet.com.requestshttp;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import schoolofnet.com.requestshttp.Utils.Http.Http;
+
+public class AddContactActivity extends AppCompatActivity {
+
+    private EditText txtName;
+    private EditText txtSobrenome;
+    private EditText txtEmail;
+    private EditText txtTelefone;
+
+    private Button btn_save;
+
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.add_contact);
+
+        txtName = findViewById(R.id.txt_nome);
+        txtSobrenome = findViewById(R.id.txt_sobrenome);
+        txtEmail = findViewById(R.id.txt_email);
+        txtTelefone = findViewById(R.id.txt_telefone);
+        this.btn_save = findViewById(R.id.btn_save);
+
+        btn_save.setOnClickListener((view) -> {
+            try {
+                save(view);
+            } catch (JSONException e) {
+                e.printStackTrace();
+            }
+        });
+
+    }
+
+
+    public void save(View view) throws JSONException {
+
+        JSONObject json = new JSONObject();
+        json.put("nome", "Igor Ferreira Praxedes");
+
+        Http http = new Http();
+        http.builder("http://192.168.1.185:3000/android")
+                .POST(json.toString());
+
+
+    }
+
+}

app/src/main/java/schoolofnet/com/requestshttp/DecoderActivity.java

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+package schoolofnet.com.requestshttp;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.google.gson.JsonObject;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import me.dm7.barcodescanner.zbar.Result;
+import me.dm7.barcodescanner.zbar.ZBarScannerView;
+import schoolofnet.com.requestshttp.Utils.Http.Http;
+
+
+public class DecoderActivity extends AppCompatActivity implements ZBarScannerView.ResultHandler {
+
+    private Button btn_scan;
+
+    private ZBarScannerView zbar;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_decoder);
+
+        this.btn_scan = findViewById(R.id.btn_scan);
+        this.btn_scan.setOnClickListener((view) -> {
+            scan();
+        });
+
+    }
+
+    private void scan() {
+        this.zbar = new ZBarScannerView(getApplicationContext());
+        setContentView(this.zbar);
+        this.zbar.setResultHandler(this);
+        this.zbar.startCamera();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        this.zbar.stopCamera();
+    }
+
+
+    @Override
+    public void handleResult(Result result) {
+        Http http = new Http();
+        System.out.println(result.getContents());
+        http.builder("http://192.168.2.63/getCampos/" + result.getContents());
+        http.GET();
+        String resultado = http.getResult();
+        if (resultado != "false") {
+            System.out.println(resultado);
+            this.zbar.stopCamera();
+            Intent intent = new Intent(this, DocumentActivity.class);
+            intent.putExtra("documento", resultado);
+            startActivity(intent);
+        } else {
+            Toast.makeText(this, "Documento não encontrado", Toast.LENGTH_SHORT).show();
+        }
+    }
+
+}