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CompareActivity.javaAPI DocAndroid 5.1 API4588Thu Mar 12 22:22:42 GMT 2015com.android.test.hwuicompare

CompareActivity

public abstract class CompareActivity extends android.app.Activity

Fields Summary
private static final String
LOG_TAG
protected MainView
mHardwareView
protected android.graphics.Bitmap
mSoftwareBitmap
protected android.graphics.Bitmap
mHardwareBitmap
protected ErrorCalculator
mErrorCalculator
protected android.os.Handler
mHandler
Runnable
mDrawCallback
protected boolean
mRedrewFlag
Constructors Summary
Methods Summary
protected abstract booleanforceRecreateBitmaps()

protected voidloadBitmaps()
        Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "loadBitmaps");
        if (forceRecreateBitmaps()) {
            int width = mSoftwareBitmap.getWidth();
            int height = mSoftwareBitmap.getHeight();

            mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
            mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        }

        Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "softwareDraw");
        mHardwareView.draw(new Canvas(mSoftwareBitmap));
        Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);

        try {
            Method getHardwareLayer = View.class.getDeclaredMethod("getHardwareLayer");
            if (!getHardwareLayer.isAccessible())
                getHardwareLayer.setAccessible(true);
            Object hardwareLayer = getHardwareLayer.invoke(mHardwareView);
            if (hardwareLayer == null) {
                Log.d(LOG_TAG, "failure to access hardware layer");
                return;
            }
            Method copyInto = hardwareLayer.getClass()
                    .getDeclaredMethod("copyInto", Bitmap.class);
            if (!copyInto.isAccessible())
                copyInto.setAccessible(true);

            Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "copyInto");
            boolean success = (Boolean) copyInto.invoke(hardwareLayer, mHardwareBitmap);
            Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
            if (!success) {
                Log.d(LOG_TAG, "failure to copy hardware layer into bitmap");
            }
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
        Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
    
protected voidonCreateCommon(java.lang.Runnable postDrawCallback)

         
        mDrawCallback = new Runnable() {
            @Override
            public void run() {
                mRedrewFlag = true;
                mHandler.post(postDrawCallback);
            };
        };
        getWindow().setBackgroundDrawable(new ColorDrawable(0xffefefef));
        ResourceModifiers.init(getResources());

        mHardwareView = (MainView) findViewById(R.id.hardware_view);
        mHardwareView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
        mHardwareView.setBackgroundColor(Color.WHITE);
        mHardwareView.addDrawCallback(mDrawCallback);

        int width = getResources().getDimensionPixelSize(R.dimen.layer_width);
        int height = getResources().getDimensionPixelSize(R.dimen.layer_height);
        mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

        mErrorCalculator = new ErrorCalculator(getApplicationContext(), getResources());

        mHandler = new Handler();