Add android_launch_app script to allow command line options to be passed to the sampleApp when starting.

BUG=skia:3815
DOCS_PREVIEW= https://skia.org/?cl=1136753003
R=bungeman@google.com, tomhudson@google.com

Review URL: https://codereview.chromium.org/1136753003

7 files changed, 70 insertions, 21 deletions

diff --git a/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp b/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp
index 049db97596..7eb1c09388 100644
--- a/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp
+++ b/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.cpp
@@ -172,7 +172,7 @@ static jmethodID GetJMethod(JNIEnv* env, jclass clazz, const char name[],
 }
 
 JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env,
-        jobject thiz, jobject jsampleActivity, jint msaaSampleCount)
+        jobject thiz, jobject jsampleActivity, jstring cmdLineFlags, jint msaaSampleCount)
 {
     // setup jni hooks to the java activity
     gActivityGlue.m_env = env;
@@ -194,15 +194,17 @@ JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env,
     env->DeleteLocalRef(clazz);
 
     application_init();
-    SkTArray<const char*> args;
 
-    args.push_back("SampleApp");
-    // TODO: push ability to select skp dir into the UI
-    args.push_back("--pictureDir");
-    args.push_back("/sdcard/skiabot/skia_skp");
+    const char* flags = env->GetStringUTFChars(cmdLineFlags, JNI_FALSE);
+    SkTArray<SkString> flagEntries;
+    SkStrSplit(flags, " ", &flagEntries);
 
-    args.push_back("--resourcePath");
-    args.push_back("/data/local/tmp/skia/resources/");
+    SkTArray<const char*> args;
+    args.push_back("SampleApp");
+    for (int i = 0; i < flagEntries.count(); i++) {
+        SkDebugf(flagEntries[i].c_str());
+        args.push_back(flagEntries[i].c_str());
+    }
 
     SkString msaaSampleCountString;
     if (msaaSampleCount > 0) {
@@ -211,7 +213,14 @@ JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init(JNIEnv* env,
         args.push_back(msaaSampleCountString.c_str());
     }
 
-    gWindow = new SampleWindow(NULL, args.count(), const_cast<char**>(args.begin()), NULL);
+    if (gWindow) {
+        SkDebugf("The sample window already exists.");
+    } else {
+        gWindow = new SampleWindow(NULL, args.count(), const_cast<char**>(args.begin()), NULL);
+    }
+
+    // cleanup the command line flags
+    env->ReleaseStringUTFChars(cmdLineFlags, flags);
 
     // send the list of slides up to the activity
     const int slideCount = gWindow->sampleCount();
diff --git a/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.h b/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.h
index 023f679425..263353ac1a 100644
--- a/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.h
+++ b/platform_tools/android/app/jni/com_skia_SkiaSampleRenderer.h
@@ -10,10 +10,10 @@ extern "C" {
 /*
  * Class:     com_skia_SkiaSampleRenderer
  * Method:    init
- * Signature: (Lcom/skia/SkiaSampleActivity;I)V
+ * Signature: (Lcom/skia/SkiaSampleActivity;Ljava/lang/String;I)V
  */
 JNIEXPORT void JNICALL Java_com_skia_SkiaSampleRenderer_init
-  (JNIEnv *, jobject, jobject, jint);
+  (JNIEnv *, jobject, jobject, jstring, jint);
 
 /*
  * Class:     com_skia_SkiaSampleRenderer
diff --git a/platform_tools/android/app/src/com/skia/SkiaSampleActivity.java b/platform_tools/android/app/src/com/skia/SkiaSampleActivity.java
index 090d6ad14c..d9cd9f887d 100644
--- a/platform_tools/android/app/src/com/skia/SkiaSampleActivity.java
+++ b/platform_tools/android/app/src/com/skia/SkiaSampleActivity.java
@@ -10,6 +10,7 @@ package com.skia;
 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.DownloadManager;
+import android.content.Intent;
 import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
@@ -65,7 +66,16 @@ public class SkiaSampleActivity extends Activity
             mSampleView.terminate();
         }
 
-        mSampleView = new SkiaSampleView(this, useOpenGLAPI, msaaSampleCount);
+        // intent get intent extras if triggered from the command line
+        Intent intent = this.getIntent();
+        String flags = intent.getStringExtra("cmdLineFlags");
+        
+        if (flags == null || flags.isEmpty()) {
+            flags  = "--pictureDir /data/local/tmp/skia_skp ";
+            flags += "--resourcePath /data/local/tmp/skia_resources ";
+        }
+        
+        mSampleView = new SkiaSampleView(this, flags, useOpenGLAPI, msaaSampleCount);
         LinearLayout holder = (LinearLayout) findViewById(R.id.holder);
         holder.addView(mSampleView, new LinearLayout.LayoutParams(
                     ViewGroup.LayoutParams.MATCH_PARENT,
diff --git a/platform_tools/android/app/src/com/skia/SkiaSampleRenderer.java b/platform_tools/android/app/src/com/skia/SkiaSampleRenderer.java
index d8fb8845b4..55257094cd 100644
--- a/platform_tools/android/app/src/com/skia/SkiaSampleRenderer.java
+++ b/platform_tools/android/app/src/com/skia/SkiaSampleRenderer.java
@@ -20,9 +20,11 @@ public class SkiaSampleRenderer implements GLSurfaceView.Renderer {
     private final SkiaSampleView mSampleView;
     private Handler mHandler = new Handler();
     private int mMSAASampleCount;
+    private String mCmdLineFlags;
 
-    SkiaSampleRenderer(SkiaSampleView view) {
+    SkiaSampleRenderer(SkiaSampleView view, String cmdLineFlags) {
         mSampleView = view;
+        mCmdLineFlags = cmdLineFlags;
     }
 
     @Override
@@ -49,7 +51,8 @@ public class SkiaSampleRenderer implements GLSurfaceView.Renderer {
 
         gl.glClearStencil(0);
         gl.glClear(GL10.GL_STENCIL_BUFFER_BIT);
-        init((SkiaSampleActivity)mSampleView.getContext(), mMSAASampleCount);
+
+        init((SkiaSampleActivity)mSampleView.getContext(), mCmdLineFlags, mMSAASampleCount);
     }
 
     // Called by JNI and the view.
@@ -89,7 +92,7 @@ public class SkiaSampleRenderer implements GLSurfaceView.Renderer {
         mSampleView.requestRender();
     }
 
-    native void init(SkiaSampleActivity activity, int msaaSampleCount);
+    native void init(SkiaSampleActivity activity, String flags, int msaaSampleCount);
     native void term();
     native void draw();
     native void updateSize(int w, int h);
diff --git a/platform_tools/android/app/src/com/skia/SkiaSampleView.java b/platform_tools/android/app/src/com/skia/SkiaSampleView.java
index cf06bea6a8..c33f8ae8ac 100644
--- a/platform_tools/android/app/src/com/skia/SkiaSampleView.java
+++ b/platform_tools/android/app/src/com/skia/SkiaSampleView.java
@@ -25,10 +25,10 @@ public class SkiaSampleView extends GLSurfaceView {
     private boolean mRequestedOpenGLAPI; // true == use (desktop) OpenGL. false == use OpenGL ES.
     private int mRequestedMSAASampleCount;
 
-    public SkiaSampleView(Context ctx, boolean useOpenGL, int msaaSampleCount) {
+    public SkiaSampleView(Context ctx, String cmdLineFlags, boolean useOpenGL, int msaaSampleCount) {
         super(ctx);
 
-        mSampleRenderer = new SkiaSampleRenderer(this);
+        mSampleRenderer = new SkiaSampleRenderer(this, cmdLineFlags);
         mRequestedMSAASampleCount = msaaSampleCount;
 
         setEGLContextClientVersion(2);
diff --git a/platform_tools/android/bin/android_launch_app b/platform_tools/android/bin/android_launch_app
new file mode 100755
index 0000000000..d31e5cb350
--- /dev/null
+++ b/platform_tools/android/bin/android_launch_app
@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# android_launch_app: Launches the skia sampleApp on the device.
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+source $SCRIPT_DIR/android_setup.sh
+source $SCRIPT_DIR/utils/setup_adb.sh
+
+# TODO: check to ensure that the app exists on the device and prompt to install
+
+if [[ -n $RESOURCE_PATH ]]; then
+  adb_push_if_needed "${SKIA_SRC_DIR}/resources" $RESOURCE_PATH
+fi
+
+$ADB ${DEVICE_SERIAL} shell am start -S -n "com.skia/.SkiaSampleActivity" --es "cmdLineFlags" "${APP_ARGS[*]}"
+
diff --git a/platform_tools/android/bin/android_setup.sh b/platform_tools/android/bin/android_setup.sh
index b94d230fb5..73fac9a468 100755
--- a/platform_tools/android/bin/android_setup.sh
+++ b/platform_tools/android/bin/android_setup.sh
@@ -182,8 +182,13 @@ adb_pull_if_needed() {
 
   if [ -f $HOST_DST ];
   then
-    #get the MD5 for dst and src
-    ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5 $ANDROID_SRC`
+    #get the MD5 for dst and src depending on OS and/or OS revision
+    ANDROID_MD5_SUPPORT=`$ADB $DEVICE_SERIAL shell ls -ld /system/bin/md5`
+    if [ "${ANDROID_MD5_SUPPORT:0:15}" != "/system/bin/md5" ]; then
+      ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5 $ANDROID_DST`
+    else
+      ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5sum $ANDROID_DST`
+    fi
     if [ $(uname) == "Darwin" ]; then
       HOST_MD5=`md5 -q $HOST_DST`
     else
@@ -220,8 +225,14 @@ adb_push_if_needed() {
 
   ANDROID_LS=`$ADB $DEVICE_SERIAL shell ls -ld $ANDROID_DST`
   if [ "${ANDROID_LS:0:1}" == "-" ]; then
-    #get the MD5 for dst and src
-    ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5 $ANDROID_DST`
+    #get the MD5 for dst and src depending on OS and/or OS revision
+    ANDROID_MD5_SUPPORT=`$ADB $DEVICE_SERIAL shell ls -ld /system/bin/md5`
+    if [ "${ANDROID_MD5_SUPPORT:0:15}" != "/system/bin/md5" ]; then
+      ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5 $ANDROID_DST`
+    else
+      ANDROID_MD5=`$ADB $DEVICE_SERIAL shell md5sum $ANDROID_DST`
+    fi
+
     if [ $(uname) == "Darwin" ]; then
       HOST_MD5=`md5 -q $HOST_SRC`
     else