Added support for visual debugging on Android Studio

Change-Id: Icaf848c31167db10d6fbb13d74c7287b03628fb6
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/130144
Reviewed-by: Derek Sollenberger <djsollen@google.com>

6 files changed, 149 insertions, 99 deletions

diff --git a/platform_tools/android/CMakeLists.txt b/platform_tools/android/CMakeLists.txt
new file mode 100644
index 0000000000..c7a8a962b4
--- /dev/null
+++ b/platform_tools/android/CMakeLists.txt
@@ -0,0 +1,48 @@
+cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR)
+cmake_policy(VERSION 2.8.8)
+
+## Supported ABIs: 'x86', 'x86_64', armeabi-v7a', 'arm64-v8a'
+message("Build Type: ${CMAKE_BUILD_TYPE}")
+
+##### ARGS.GN
+## Set dev in Android-CMake to true
+set (android_cmake "true")
+set (arg_android_cmake "is_android_cmake = ${android_cmake}")
+
+## Set the NDK path
+set (arg_ndk "ndk = \"${ANDROID_NDK}\"")
+
+## Set target ABI
+if(ANDROID_ABI STREQUAL "arm64-v8a")
+    set (arg_abi "target_cpu = \"arm64\"")
+elseif(ANDROID_ABI STREQUAL "x86")
+    set (arg_abi "target_cpu = \"x86\"")
+elseif(ANDROID_ABI STREQUAL "x86_64")
+    set (arg_abi "target_cpu = \"x64\"")
+elseif(ANDROID_ABI STREQUAL "armeabi-v7a")
+    set (arg_abi "target_cpu = \"arm\"")
+endif()
+message ("Target ABI: ${ANDROID_ABI}")
+message ("Target Builds: ${TARGETS}")
+
+set (android_out "${CMAKE_CURRENT_SOURCE_DIR}/../../out/android_cmake_${ANDROID_ABI}")
+
+execute_process(COMMAND mkdir -p  ${android_out}/)
+execute_process(COMMAND touch  ${android_out}/args.gn)
+file(WRITE "${android_out}/args.gn" "${arg_ndk}\n${arg_abi}\n${arg_android_cmake}\n")
+
+message("CMake Target Output Directory: ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}")
+##### GN to CMAKE
+set (bin_gn "${CMAKE_CURRENT_SOURCE_DIR}/../../bin/gn")
+set (gen "gen")
+message("GN Output Directory: ${android_out}")
+
+set (ide "--ide=json")
+set (script_arg "--json-ide-script=")
+set (script_path "${CMAKE_CURRENT_SOURCE_DIR}/../../gn/gn_to_cmake.py")
+
+execute_process (COMMAND ${bin_gn} ${gen} ${android_out} ${ide} ${script_arg}${script_path}
+WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}")
+
+##### NINJA
+include(${android_out}/CMakeLists.txt)
\ No newline at end of file
diff --git a/platform_tools/android/apps/build.gradle b/platform_tools/android/apps/build.gradle
index 9f285e5b06..7aa9b56af8 100644
--- a/platform_tools/android/apps/build.gradle
+++ b/platform_tools/android/apps/build.gradle
@@ -18,92 +18,3 @@ allprojects {
         jcenter()
     }
 }
-
-def setupSkiaLibraryBuild(project, appVariants, appName) {
-    appVariants.all{ variant ->
-        def buildNativeLib = project.task("${variant.name}_BuildSkiaLib", type:Exec) {
-            workingDir '../../../..' // top-level skia directory
-            commandLine constructBuildCommand(project, variant, appName).split()
-        }
-        buildNativeLib.onlyIf { !project.hasProperty("suppressNativeBuild") }
-
-        def copyNativeLib = project.task("${variant.name}_CopySkiaLib", type:Copy) {
-            def fromDir = getVariantOutDir(project, variant).skiaOut
-            def intoDir = getVariantOutDir(project, variant).androidOut
-            from fromDir
-            into intoDir
-            include "${appName}.so"
-        }
-
-        TaskCollection<Task> compileTask = project.tasks.matching {
-            //  println(it.name)
-            it.name.toLowerCase().contains("compile" + variant.name.toLowerCase()) &&
-                    it.name.toLowerCase().endsWith("ndk")
-        }
-        compileTask.findAll()*.dependsOn copyNativeLib
-        copyNativeLib.dependsOn buildNativeLib
-    }
-}
-
-def getLocalProperties() {
-    Properties properties = new Properties()
-    File propFile = project.rootProject.file('local.properties')
-    if (propFile.canRead()) {
-        properties.load(propFile.newDataInputStream())
-    }
-    propFile = project.rootProject.file('gradle.properties')
-    if (propFile.canRead()) {
-        properties.load(propFile.newDataInputStream())
-    }
-    return properties
-}
-
-def getVariantOutDir(project, variant) {
-    String variantPrefix = null
-    String androidLibDir = null
-    if (variant.name.startsWith("arm64")) {
-        variantPrefix = "arm64"
-        androidLibDir = "arm64-v8a"
-    } else if (variant.name.startsWith("arm")) {
-        variantPrefix = "arm"
-        androidLibDir = "armeabi-v7a"
-    } else if (variant.name.startsWith("x64")) {
-        variantPrefix = "x64"
-        androidLibDir = "x86_64"
-    } else if (variant.name.startsWith("x86")) {
-        variantPrefix = "x86"
-        androidLibDir = "x86"
-    }
-
-    String skiaOutDir = null
-    String propName = "${variantPrefix}.out.dir"
-    if (project.hasProperty(propName)) {
-        skiaOutDir = project.getProperties().getAt(propName)
-    } else {
-        skiaOutDir = getLocalProperties().getProperty(propName, "missing_variant_out")
-    }
-
-    return [skiaOut: skiaOutDir,
-            androidOut: "src/main/libs/${androidLibDir}"]
-}
-
-def constructBuildCommand(project, variant, appName) {
-    String depotToolsDir = null
-    for (String entry : System.getenv("PATH").split(":")) {
-        if (entry.contains("depot_tools")) {
-            depotToolsDir = entry;
-            break;
-        }
-    }
-    if (depotToolsDir == null) {
-        depotToolsDir = getLocalProperties().getProperty('depot_tools.dir', null)
-    }
-
-    if (depotToolsDir == null) {
-        throw GradleScriptException("Depot Tools not found! Please update your path to include" +
-                " depot_tools or define depot_tools.dir in local.properties")
-    }
-
-    String out_dir = getVariantOutDir(project, variant).skiaOut
-    return "${depotToolsDir}/ninja -C $out_dir $appName"
-}
diff --git a/platform_tools/android/apps/skqp/build.gradle b/platform_tools/android/apps/skqp/build.gradle
index e368a66ef6..7d747c1791 100644
--- a/platform_tools/android/apps/skqp/build.gradle
+++ b/platform_tools/android/apps/skqp/build.gradle
@@ -4,8 +4,12 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
+
 apply plugin: 'com.android.application'
 
+//Make sure this is directory corresponds to skia/platform_tools/android
+final String ANDROID_CMAKE_HEADER_PATH = "../../CMakeLists.txt"
+
 dependencies {
     compile 'com.android.support:design:26.+'
     compile 'com.android.support.test:runner:0.5'
@@ -21,9 +25,48 @@ android {
         versionCode 1
         versionName "1.0"
         signingConfig signingConfigs.debug
+
+        externalNativeBuild {
+            cmake {
+                //Native libraries to build
+                targets "libskqp_app"
+
+                arguments "-DANDROID_STL=c++_static",
+                        "-DTARGETS=${android.defaultConfig.externalNativeBuild.cmake.targets}"
+            }
+        }
+
+        buildTypes {
+            debug {
+                applicationIdSuffix ".debug"
+                debuggable true
+            }
+        }
+
+        productFlavors {
+            arm {
+                ndk {
+                    abiFilters "armeabi-v7a"
+                }
+            }
+
+            x86 {
+                ndk {
+                    abiFilters "x86"
+                }
+            }
+
+            x64 {
+                ndk {
+                    abiFilters "x86_64"
+                }
+            }
+        }
+    }
+
+    externalNativeBuild {
+        cmake {
+            path ANDROID_CMAKE_HEADER_PATH
+        }
     }
-    sourceSets.main.jni.srcDirs = []
-    sourceSets.main.jniLibs.srcDir "src/main/libs"
-    productFlavors { universal{}; arm {}; arm64 {}; x86 {}; x64 {}; arm64vulkan{}; }
-    setupSkiaLibraryBuild(project, applicationVariants, "libskqp_app")
 }
diff --git a/platform_tools/android/apps/skqp/src/main/java/org/skia/skqp/SkQP.java b/platform_tools/android/apps/skqp/src/main/java/org/skia/skqp/SkQP.java
index 58e09ec982..4457fc61f8 100644
--- a/platform_tools/android/apps/skqp/src/main/java/org/skia/skqp/SkQP.java
+++ b/platform_tools/android/apps/skqp/src/main/java/org/skia/skqp/SkQP.java
@@ -28,7 +28,7 @@ public class SkQP {
     protected static final String LOG_PREFIX = "org.skia.skqp";
 
     static {
-      System.loadLibrary("skqp_app");
+      System.loadLibrary("libskqp_app");
     }
 
     protected void runTests(Context context, String outputDirPath) {
diff --git a/platform_tools/android/apps/viewer/build.gradle b/platform_tools/android/apps/viewer/build.gradle
index 630544d0bb..ad34f8a61d 100644
--- a/platform_tools/android/apps/viewer/build.gradle
+++ b/platform_tools/android/apps/viewer/build.gradle
@@ -4,8 +4,12 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
+
 apply plugin: 'com.android.application'
 
+//Make sure this is directory corresponds to skia/platform_tools/android
+final String ANDROID_CMAKE_HEADER_PATH = "../../CMakeLists.txt"
+
 dependencies {
     compile 'com.android.support:support-v13:23.3.0'
     compile 'com.android.support:appcompat-v7:23.3.0'
@@ -21,10 +25,54 @@ android {
         versionCode 1
         versionName "1.0"
         signingConfig signingConfigs.debug
+
+        externalNativeBuild {
+            cmake {
+                //Native libraries to build
+                targets "libviewer"
+
+                arguments "-DANDROID_STL=c++_static",
+                        "-DTARGETS=${android.defaultConfig.externalNativeBuild.cmake.targets}"
+            }
+        }
+
+        buildTypes {
+            debug {
+                applicationIdSuffix ".debug"
+                debuggable true
+            }
+        }
+
+        productFlavors {
+            arm64 {
+                ndk {
+                    abiFilters "arm64-v8a"
+                }
+            }
+
+            arm {
+                ndk {
+                    abiFilters "armeabi-v7a"
+                }
+            }
+
+            x86 {
+                ndk {
+                    abiFilters "x86"
+                }
+            }
+
+            x64 {
+                ndk {
+                    abiFilters "x86_64"
+                }
+            }
+        }
     }
-    sourceSets.main.jni.srcDirs = [] //disable automatic ndk-build call
-    sourceSets.main.jniLibs.srcDir "src/main/libs"
-    productFlavors { universal{}; arm {}; arm64 {}; x86 {}; x64 {}; arm64vulkan{}; }
 
-    setupSkiaLibraryBuild(project, applicationVariants, "libviewer")
+    externalNativeBuild {
+        cmake {
+            path ANDROID_CMAKE_HEADER_PATH
+        }
+    }
 }
diff --git a/platform_tools/android/apps/viewer/src/main/java/org/skia/viewer/ViewerApplication.java b/platform_tools/android/apps/viewer/src/main/java/org/skia/viewer/ViewerApplication.java
index 7253eb7503..0c007ef363 100644
--- a/platform_tools/android/apps/viewer/src/main/java/org/skia/viewer/ViewerApplication.java
+++ b/platform_tools/android/apps/viewer/src/main/java/org/skia/viewer/ViewerApplication.java
@@ -16,7 +16,7 @@ public class ViewerApplication extends Application {
     private String mStateJsonStr, mTitle;
 
     static {
-        System.loadLibrary("viewer");
+        System.loadLibrary("libviewer");
     }
 
     private native long createNativeApp(AssetManager assetManager);