Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.app.Activity;
import android.graphics.Bitmap;

import android.util.Log;
import android.view.View;

public class Main {
    @SuppressWarnings("unused")
    private static final String LOGTAG = "AloomaAPI.ActivityImageUtils";

    public static Bitmap getScaledScreenshot(final Activity activity, int scaleWidth, int scaleHeight,
            boolean relativeScaleIfTrue) {
        final View someView = activity.findViewById(android.R.id.content);
        final View rootView = someView.getRootView();
        final boolean originalCacheState = rootView.isDrawingCacheEnabled();
        rootView.setDrawingCacheEnabled(true);
        rootView.buildDrawingCache(true);

        // We could get a null or zero px bitmap if the rootView hasn't been measured
        // appropriately, or we grab it before layout.
        // This is ok, and we should handle it gracefully.
        final Bitmap original = rootView.getDrawingCache();
        Bitmap scaled = null;
        if (null != original && original.getWidth() > 0 && original.getHeight() > 0) {
            if (relativeScaleIfTrue) {
                scaleWidth = original.getWidth() / scaleWidth;
                scaleHeight = original.getHeight() / scaleHeight;
            }
            if (scaleWidth > 0 && scaleHeight > 0) {
                try {
                    scaled = Bitmap.createScaledBitmap(original, scaleWidth, scaleHeight, false);
                } catch (OutOfMemoryError error) {
                    Log.i(LOGTAG, "Not enough memory to produce scaled image, returning a null screenshot");
                }
            }
        }
        if (!originalCacheState) {
            rootView.setDrawingCacheEnabled(false);
        }
        return scaled;
    }
}