Initial commit

.gitignore

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

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "24.0.0"
+
+    defaultConfig {
+        applicationId "com.martin.postermaster"
+        minSdkVersion 15
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.4.0'
+
+}

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 D:\android\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/martin/postermaster/ApplicationTest.java

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+package com.martin.postermaster;
+
+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.martin.postermaster">
+
+    <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>

app/src/main/java/com/martin/postermaster/BitmapUtils.java

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+package com.martin.postermaster;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Matrix;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+
+/**
+ * Created by Martin on 2016/7/23 0023.
+ */
+public class BitmapUtils {
+
+    public static Bitmap scaleBitmap(Bitmap b, float scale) {
+        Bitmap resizeBitmap = null;
+        Matrix scaleMatrix = new Matrix();
+        if (b != null && !b.isRecycled()) {
+            scaleMatrix.postScale(scale, scale);
+            try {
+                resizeBitmap = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), scaleMatrix, false);
+            } catch (Exception e) {
+                return b;
+            }
+        }
+        return resizeBitmap;
+    }
+
+    /**
+     * 清除bitmap对象
+     *
+     * @param bitmap 目标对象
+     */
+    public static void destroyBitmap(Bitmap bitmap) {
+        if (bitmap != null) {
+            Bitmap b = bitmap;
+            if (b != null && !b.isRecycled()) {
+                b.recycle();
+            }
+            bitmap = null;
+        }
+    }
+
+}