Add Load Image from URL Project files

Author: rajamalw

LoadImageURL/.gitignore

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

LoadImageURL/.idea/compiler.xml

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+/build

LoadImageURL/.idea/copyright/profiles_settings.xml

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 24
+    buildToolsVersion "24.0.3"
+    defaultConfig {
+        applicationId "com.learn2crack.loadimageurl"
+        minSdkVersion 19
+        targetSdkVersion 24
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+        exclude group: 'com.android.support', module: 'support-annotations'
+    })
+    compile 'com.android.support:appcompat-v7:24.2.1'
+    testCompile 'junit:junit:4.12'
+}

LoadImageURL/.idea/encodings.xml

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/rajamalw/android-sdk-linux/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# 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 *;
+#}

LoadImageURL/.idea/gradle.xml

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+package com.learn2crack.loadimageurl;
+
+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.*;
+
+/**
+ * Instrumentation 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("com.learn2crack.loadimageurl", appContext.getPackageName());
+    }
+}

LoadImageURL/.idea/misc.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.learn2crack.loadimageurl">
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        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>
+    </application>
+
+</manifest>

LoadImageURL/.idea/modules.xml

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+package com.learn2crack.loadimageurl;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.AsyncTask;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+
+public class LoadImageTask extends AsyncTask<String, Void, Bitmap> {
+
+    public LoadImageTask(Listener listener) {
+
+        mListener = listener;
+    }
+
+    public interface Listener{
+
+        void onImageLoaded(Bitmap bitmap);
+        void onError();
+    }
+
+    private Listener mListener;
+    @Override
+    protected Bitmap doInBackground(String... args) {
+
+        try {
+
+            return BitmapFactory.decodeStream((InputStream)new URL(args[0]).getContent());
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Bitmap bitmap) {
+
+        if (bitmap != null) {
+
+            mListener.onImageLoaded(bitmap);
+
+        } else {
+
+            mListener.onError();
+        }
+    }
+}

LoadImageURL/.idea/runConfigurations.xml

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+package com.learn2crack.loadimageurl;
+
+import android.graphics.Bitmap;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+public class MainActivity extends AppCompatActivity implements View.OnClickListener, LoadImageTask.Listener {
+
+    private ImageView mImageView;
+    private Button mBtLoadImage;
+
+    public static final String IMAGE_URL = "https://api.learn2crack.com/android/images/donut.png";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        mImageView = (ImageView) findViewById(R.id.image);
+        mBtLoadImage = (Button) findViewById(R.id.btn_load_image);
+        mBtLoadImage.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View view) {
+        switch (view.getId()) {
+
+            case R.id.btn_load_image:
+                new LoadImageTask(this).execute(IMAGE_URL);
+                break;
+        }
+    }
+
+    @Override
+    public void onImageLoaded(Bitmap bitmap) {
+
+        mImageView.setImageBitmap(bitmap);
+    }
+
+    @Override
+    public void onError() {
+        Toast.makeText(this, "Error Loading Image !", Toast.LENGTH_SHORT).show();
+    }
+}

LoadImageURL/app/.gitignore

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/activity_main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.learn2crack.loadimageurl.MainActivity">
+
+    <Button
+        android:id="@+id/btn_load_image"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Load Image"
+        android:layout_centerHorizontal="true"
+        style="@style/Widget.AppCompat.Button.Colored"/>
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/btn_load_image"/>
+</RelativeLayout>

LoadImageURL/app/build.gradle

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+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

LoadImageURL/app/proguard-rules.pro

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>