add ipc and graphics

Author: BoBoMEe

AndroidGraphics/.gitignore

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

AndroidGraphics/README.md

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+# Android graphics 2D绘图机制学习
+
+-  [Matrix原理及其API](notes/Matrix.md)

AndroidGraphics/app/.gitignore

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+/build

AndroidGraphics/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+  compileSdkVersion 26
+  buildToolsVersion "26.0.1"
+  defaultConfig {
+    applicationId "com.java.bobomee.androidgraphics"
+    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 {
+  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-v7:26.+'
+  compile 'com.android.support.constraint:constraint-layout:1.0.2'
+  testCompile 'junit:junit:4.12'
+}

AndroidGraphics/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 /Users/bobomee/Library/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 *;
+#}
+
+# 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

AndroidGraphics/app/src/androidTest/java/com/java/bobomee/androidgraphics/ExampleInstrumentedTest.java

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+package com.java.bobomee.androidgraphics;
+
+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.java.bobomee.androidgraphics", appContext.getPackageName());
+  }
+}

AndroidGraphics/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.java.bobomee.androidgraphics">
+
+  <application
+      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=".matrix.ui.MatrixActivity"/>
+    <activity android:name=".matrix.ui.MatrixMapActivity"/>
+    <activity android:name=".matrix.ui.MatrixSetPolyActivity"/>
+    <activity android:name=".matrix.ui.MatrixSetRectActivity"/>
+  </application>
+
+</manifest>

AndroidGraphics/app/src/main/java/com/java/bobomee/androidgraphics/MainActivity.java

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+package com.java.bobomee.androidgraphics;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import com.java.bobomee.androidgraphics.matrix.ui.MatrixActivity;
+
+public class MainActivity extends AppCompatActivity {
+
+  @Override protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
+  }
+
+  public void matrix(View v) {
+    start(MatrixActivity.class);
+  }
+
+  private void start(Class c) {
+    Intent intent = new Intent(this, c);
+    startActivity(intent);
+  }
+}

AndroidGraphics/app/src/main/java/com/java/bobomee/androidgraphics/matrix/ui/MatrixActivity.java

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+package com.java.bobomee.androidgraphics.matrix.ui;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import com.java.bobomee.androidgraphics.R;
+
+public class MatrixActivity extends AppCompatActivity {
+
+  @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+
+    setContentView(R.layout.matrix_navigatino_layout);
+  }
+
+  public void map(View v) {
+    start(MatrixMapActivity.class);
+  }
+
+  public void poly(View v) {
+    start(MatrixSetPolyActivity.class);
+  }
+
+  public void rect(View v) {
+    start(MatrixSetRectActivity.class);
+  }
+
+  private void start(Class c) {
+    Intent intent = new Intent(this, c);
+    startActivity(intent);
+  }
+}

AndroidGraphics/app/src/main/java/com/java/bobomee/androidgraphics/matrix/ui/MatrixMapActivity.java

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+package com.java.bobomee.androidgraphics.matrix.ui;
+
+import android.graphics.Matrix;
+import android.graphics.RectF;
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import com.java.bobomee.androidgraphics.R;
+import java.util.Arrays;
+
+public class MatrixMapActivity extends AppCompatActivity {
+
+  private static final String TAG = "MatrixMapActivity";
+
+  @Override protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.matrix_map_layout);
+
+    testMapPoints();
+
+    testMapRadius();
+
+    testMapRect();
+
+    testMapVectors();
+  }
+
+  private void testMapVectors() {
+    float[] src = new float[] { 1000, 800 };
+    float[] dst = new float[2];
+
+    // 构造一个matrix
+    Matrix matrix = new Matrix();
+    matrix.setScale(0.5f, 1f);
+    matrix.postTranslate(100, 100);
+
+    // 计算向量, 不受位移影响
+    matrix.mapVectors(dst, src);
+    Log.i(TAG, "mapVectors: " + Arrays.toString(dst));
+
+    // 计算点
+    matrix.mapPoints(dst, src);
+    Log.i(TAG, "mapPoints: " + Arrays.toString(dst));
+  }
+
+  private void testMapRect() {
+    RectF rect = new RectF(400, 400, 1000, 800);
+
+    // 构造一个matrix
+    Matrix matrix = new Matrix();
+    matrix.setScale(0.5f, 1f);
+    matrix.postSkew(1, 0);
+
+    Log.i(TAG, "mapRadius: " + rect.toString());
+
+    boolean result = matrix.mapRect(rect);
+
+    Log.i(TAG, "mapRadius: " + rect.toString());
+    Log.e(TAG, "isRect: " + result);
+  }
+
+  private void testMapRadius() {
+    float radius = 100;
+    float result = 0;
+
+    // 构造一个matrix，x坐标缩放0.5
+    Matrix matrix = new Matrix();
+    matrix.setScale(0.5f, 1f);
+
+    Log.i(TAG, "mapRadius: " + radius);
+
+    result = matrix.mapRadius(radius);
+
+    Log.i(TAG, "mapRadius: " + result);
+  }
+
+  private void testMapPoints() {
+    // 初始数据为三个点 (0, 0) (80, 100) (400, 300)
+    float[] pts = new float[] { 0, 0, 80, 100, 400, 300 };
+
+    // 构造一个matrix，x坐标缩放0.5
+    Matrix matrix = new Matrix();
+    matrix.setScale(0.5f, 1f);
+
+    // 输出pts计算之前数据
+    Log.i(TAG, "before: " + Arrays.toString(pts));
+
+    // 调用map方法计算
+    matrix.mapPoints(pts);
+
+    // 输出pts计算之后数据
+    Log.i(TAG, "after : " + Arrays.toString(pts));
+  }
+}