first commit

.gitignore

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+# Built application files
+*.apk
+*.ap_
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# Intellij
+*.iml
+.idea/workspace.xml
+.idea/libraries
+
+# Keystore files
+*.jks

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 24
+    buildToolsVersion '24.0.2'
+    defaultConfig {
+        applicationId "com.appgramming.lonecolor"
+        minSdkVersion 11
+        targetSdkVersion 24
+        versionCode 4
+        versionName '1.2'
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    productFlavors {
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\Dev\AppData\Local\Android\android-studio\sdk/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 *;
+#}

app/src/androidTest/java/com/appgramming/lonecolor/ApplicationTest.java

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+package com.appgramming.lonecolor;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

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="com.appgramming.lonecolor">
+
+    <uses-permission android:name="android.permission.SET_WALLPAPER"/>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:installLocation="auto"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".StartActivity"
+            android:excludeFromRecents="true"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".LoneColorWallpaperService"
+            android:exported="false"/>
+    </application>
+
+</manifest>

app/src/main/java/com/appgramming/lonecolor/ColorClipParameter.java

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+/*
+ * Copyright (C) 2014-2016 Appgramming. All rights reserved.
+ * http://www.appgramming.com
+ */
+package com.appgramming.lonecolor;
+
+import android.content.ClipData;
+import android.content.ClipDescription;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.graphics.Color;
+import android.text.TextUtils;
+
+/**
+ * A static method to get a valid color value from the clipboard.
+ */
+final class ColorClipParameter {
+
+    /**
+     * Gets the current clip parameter from the clipboard.
+     *
+     * @return The text value of the clip parameter, or null if there is no text on the clipboard.
+     */
+    private static String getClipParameter(Context context) {
+        final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+        if ((clipboard != null) && clipboard.hasPrimaryClip()) {
+
+            // Get the current primary clip on the clipboard
+            final ClipData clip = clipboard.getPrimaryClip();
+            if ((clip != null) && (clip.getItemCount() > 0)) {
+
+                final ClipDescription description = clip.getDescription();
+
+                // Return null if the clipboard does not contain plain text or html text
+                if (!description.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) &&
+                        !description.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML)) {
+                    return null;
+                }
+
+                // Ignore and return null if it's a clip previously copied by LoneColor
+                final CharSequence label = description.getLabel();
+                if ((label != null) && (label.equals(context.getString(R.string.app_name)))) {
+                    return null;
+                }
+
+                // Get the text from the clipboard
+                final CharSequence sequence = clip.getItemAt(0).getText();
+                if (sequence != null) {
+                    return sequence.toString();
+                }
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Returns the value of the color clip parameter.
+     *
+     * @return An Integer color value, or null.
+     */
+    public static Integer getColor(Context context) {
+
+        // Get the clip parameter from the clipboard
+        final String clipText = ColorClipParameter.getClipParameter(context);
+
+        // Return null if the clip is null or empty
+        if (TextUtils.isEmpty(clipText)) {
+            return null;
+        }
+
+        // Try to parse the clip parameter to a color value, "as it is"
+        try {
+            return Color.parseColor(clipText);
+        } catch (IllegalArgumentException ignored) {
+            // Ignore error, try next color format
+        }
+
+        // Try to parse the clip parameter with a "#" in front
+        try {
+            return Color.parseColor('#' + clipText);
+        } catch (IllegalArgumentException ignored) {
+            // Ignore error, we will return false
+        }
+
+        // No valid color, return null
+        return null;
+    }
+}