Revert of Remove Android SampleApp

platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleActivity.java

Index: platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleActivity.java
diff --git a/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleActivity.java b/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleActivity.java
new file mode 100644
index 0000000000000000000000000000000000000000..6e306966edd8085190c86207f36ff8dd75764bc3
--- /dev/null
+++ b/platform_tools/android/apps/sample_app/src/main/java/com/skia/SkiaSampleActivity.java
@@ -0,0 +1,251 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+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;
+import android.os.Handler;
+import android.os.Message;
+import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import java.io.File;
+
+public class SkiaSampleActivity extends Activity
+{
+    private TextView mTitle;
+    private SkiaSampleView mSampleView;
+
+    private ArrayAdapter<String> mSlideList;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.layout);
+        mTitle = (TextView) findViewById(R.id.title_view);
+        mSlideList = new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1);
+
+        try {
+            System.loadLibrary("skia_android");
+        } catch (UnsatisfiedLinkError e) {
+            // This might be because skia was linked to SampleApp statically.
+        }
+
+        try {
+            System.loadLibrary("SampleApp");
+
+            createSampleView(false, 0);
+
+            setupActionBar();
+        } catch (UnsatisfiedLinkError e) {
+            mTitle.setText("ERROR: native library could not be loaded");
+        }
+    }
+
+    private void createSampleView(boolean useOpenGLAPI, int msaaSampleCount) {
+        if (mSampleView != null) {
+            ViewGroup viewGroup = (ViewGroup) mSampleView.getParent();
+            viewGroup.removeView(mSampleView);
+            mSampleView.terminate();
+        }
+
+        // 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,
+                    ViewGroup.LayoutParams.MATCH_PARENT));
+    }
+
+    private void setupActionBar() {
+        ActionBar.OnNavigationListener navigationCallback = new ActionBar.OnNavigationListener() {
+            @Override
+            public boolean onNavigationItemSelected(int position, long itemId) {
+                mSampleView.goToSample(position);
+                return true;
+            }
+        };
+
+        ActionBar actionBar = getActionBar();
+        actionBar.setDisplayShowHomeEnabled(false);
+        actionBar.setDisplayShowTitleEnabled(false);
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
+        actionBar.setListNavigationCallbacks(mSlideList, navigationCallback);
+    }
+
+    @Override
+    protected void onResume () {
+        super.onResume();
+        if (mSampleView != null && mSampleView.getWidth() > 0 && mSampleView.getHeight() > 0) {
+            //TODO try mSampleView.requestRender() instead
+            mSampleView.inval();
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        if (mSampleView != null) {
+            mSampleView.terminate();
+        }
+        super.onDestroy();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.action_bar, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        if (mSampleView != null) {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
+                ((MenuItem) menu.findItem(R.id.glcontext_menu))
+                    .setEnabled(false);
+
+            } else {
+                boolean usesOpenGLAPI = mSampleView.getUsesOpenGLAPI();
+                boolean isMSAA4 = mSampleView.getMSAASampleCount() == 4;
+
+                ((MenuItem) menu.findItem(R.id.glcontext_opengles))
+                    .setChecked(!usesOpenGLAPI && !isMSAA4);
+
+                ((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengles))
+                    .setChecked(!usesOpenGLAPI && isMSAA4);
+
+                ((MenuItem) menu.findItem(R.id.glcontext_opengl))
+                    .setChecked(usesOpenGLAPI && !isMSAA4);
+
+                ((MenuItem) menu.findItem(R.id.glcontext_msaa4_opengl))
+                    .setChecked(usesOpenGLAPI && isMSAA4);
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (mSampleView == null) {
+            return false;
+        }
+
+        switch (item.getItemId()) {
+        case R.id.overview:
+            mSampleView.showOverview();
+            return true;
+        case R.id.prev:
+            mSampleView.previousSample();
+            return true;
+        case R.id.next:
+            mSampleView.nextSample();
+            return true;
+        case R.id.toggle_rendering:
+            mSampleView.toggleRenderingMode();
+            return true;
+        case R.id.slideshow:
+            mSampleView.toggleSlideshow();
+            return true;
+        case R.id.fps:
+            mSampleView.toggleFPS();
+            return true;
+        case R.id.tiling:
+            mSampleView.toggleTiling();
+            return true;
+        case R.id.bbox:
+            mSampleView.toggleBBox();
+            return true;
+        case R.id.save_to_pdf:
+            mSampleView.saveToPDF();
+            return true;
+        case R.id.glcontext_opengles:
+            return setOpenGLContextSettings(false, 0);
+        case R.id.glcontext_msaa4_opengles:
+            return setOpenGLContextSettings(false, 4);
+        case R.id.glcontext_opengl:
+            return setOpenGLContextSettings(true, 0);
+        case R.id.glcontext_msaa4_opengl:
+            return setOpenGLContextSettings(true, 4);
+        default:
+            return false;
+        }
+    }
+
+    @Override
+    public boolean dispatchKeyEvent(KeyEvent event) {
+        final int keycode = event.getKeyCode();
+        if (keycode == KeyEvent.KEYCODE_BACK) {
+            if (event.getAction() == KeyEvent.ACTION_UP) {
+                finish();
+            }
+            return true;
+        }
+        return false;
+    }
+
+    private static final int SET_TITLE = 1;
+    private static final int SET_SLIDES = 2;
+
+    private Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+            case SET_TITLE:
+                mTitle.setText((String) msg.obj);
+                SkiaSampleActivity.this.getActionBar().setSubtitle((String) msg.obj);
+                break;
+            case SET_SLIDES:
+                mSlideList.addAll((String[]) msg.obj);
+                break;
+            default:
+                break;
+            }
+        }
+    };
+
+    // Called by JNI
+    @Override
+    public void setTitle(CharSequence title) {
+        mHandler.obtainMessage(SET_TITLE, title).sendToTarget();
+    }
+
+    // Called by JNI
+    public void setSlideList(String[] slideList) {
+        mHandler.obtainMessage(SET_SLIDES, slideList).sendToTarget();
+    }
+
+    private boolean setOpenGLContextSettings(boolean requestedOpenGLAPI, int requestedSampleCount) {
+        if (mSampleView != null &&
+                mSampleView.getMSAASampleCount() == requestedSampleCount &&
+                mSampleView.getUsesOpenGLAPI() == requestedOpenGLAPI) {
+            return true;
+        }
+
+        createSampleView(requestedOpenGLAPI, requestedSampleCount);
+
+        return true;
+    }
+}