primeiro commit

ImageZoomSample/.gitignore

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

ImageZoomSample/app/.gitignore

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+/build

ImageZoomSample/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "br.com.felix.imagezoomsample"
+        minSdkVersion 15
+        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'
+        }
+    }
+}
+
+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 project(":imagezoom")
+}

ImageZoomSample/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

ImageZoomSample/app/src/androidTest/java/br/com/felix/imagezoomsample/ExampleInstrumentedTest.java

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+package br.com.felix.imagezoomsample;
+
+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("br.com.felix.imagezoomsample", appContext.getPackageName());
+    }
+}

ImageZoomSample/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="br.com.felix.imagezoomsample">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:largeHeap="true"
+        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>
+
+        <provider
+            android:name="android.support.v4.content.FileProvider"
+            android:authorities="br.com.felix.imagezoomsample.fileprovider"
+            android:grantUriPermissions="true"
+            android:exported="false">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
+    </application>
+
+</manifest>

ImageZoomSample/app/src/main/java/br/com/felix/imagezoomsample/MainActivity.java

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+package br.com.felix.imagezoomsample;
+
+import android.Manifest;
+import android.app.Activity;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.content.FileProvider;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class MainActivity extends AppCompatActivity {
+
+    private final int REQUEST_GALERY = 1010, REQUEST_CAMERA = 1020;
+    private String pictureImagePath = "";
+
+    private ImageView img1;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        img1 = findViewById(R.id.img1);
+
+        Button btnSelect = findViewById(R.id.btnSelect);
+        btnSelect.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                selectImage();
+            }
+        });
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+    }
+
+    private void selectImage() {
+        final CharSequence[] items = {
+                "Camera",
+                "Gallery",
+                "Cancel"
+        };
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setTitle("Select type");
+        builder.setItems(items, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int item) {
+                switch (item) {
+                    case 0:
+                        verificarPermissaoCamera();
+                        break;
+                    case 1:
+                        verificarPermissaoGaleria();
+                        break;
+                    case 2:
+                        dialog.dismiss();
+                        break;
+                }
+            }
+        });
+        builder.show();
+    }
+
+    private void verificarPermissaoCamera() {
+        int permissionCheck = ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.CAMERA);
+
+        if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA);
+        } else {
+            cameraIntent();
+        }
+    }
+
+    private void verificarPermissaoGaleria() {
+        int permissionCheck = ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.READ_EXTERNAL_STORAGE);
+
+        if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_GALERY);
+        } else {
+            galleryIntent();
+        }
+    }
+
+    private void cameraIntent() {
+        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
+        String imageFileName = timeStamp + ".jpg";
+        File storageDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
+
+        pictureImagePath = storageDir.getAbsolutePath() + "/" + imageFileName;
+
+        File file = new File(pictureImagePath);
+        Uri outputFileUri = FileProvider.getUriForFile(this, getApplicationContext().getPackageName() + ".fileprovider", file);
+
+        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+        intent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);
+        startActivityForResult(intent, REQUEST_CAMERA);
+    }
+
+    private void galleryIntent() {
+        Intent intent = new Intent();
+        intent.setType("image/*");
+        intent.setAction(Intent.ACTION_GET_CONTENT);
+        startActivityForResult(Intent.createChooser(intent, "Select File"), REQUEST_GALERY);
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
+        if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+            switch (requestCode) {
+                case REQUEST_CAMERA:
+                    cameraIntent();
+                    break;
+                case REQUEST_GALERY:
+                    galleryIntent();
+                    break;
+            }
+        } else {
+            Toast.makeText(getApplicationContext(), "Permission denied", Toast.LENGTH_LONG).show();
+        }
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (resultCode == Activity.RESULT_OK) {
+            if (requestCode == REQUEST_GALERY) {
+                onSelectFromGalleryResult(data);
+            } else if (requestCode == REQUEST_CAMERA) {
+                onCaptureImageResult(data);
+            }
+        }
+    }
+
+    private void onSelectFromGalleryResult(Intent data) {
+        if (data != null) {
+            try {
+                Bitmap bm = MediaStore.Images.Media.getBitmap(getApplicationContext().getContentResolver(), data.getData());
+                salvarImagemLocal(bm);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    private void onCaptureImageResult(Intent data) {
+        File imgFile = new  File(pictureImagePath);
+        Bitmap myBitmap = BitmapFactory.decodeFile(imgFile.getAbsolutePath());
+        salvarImagemLocal(myBitmap);
+    }
+
+    private void salvarImagemLocal(Bitmap thumbnail) {
+        img1.setImageBitmap(thumbnail);
+    }
+}