Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.view.View;

public class Main {
    private static final Canvas sCanvas = new Canvas();

    public static Bitmap createBitmapFromView(View view) {

        if (view.getMeasuredHeight() <= 0) {
            int spec = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
            view.measure(spec, spec);
            view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
            Bitmap bitmap = createBitmapSafely(view.getMeasuredWidth(), view.getMeasuredHeight(),
                    Bitmap.Config.ARGB_8888, 1);
            if (bitmap != null) {
                synchronized (sCanvas) {
                    Canvas canvas = sCanvas;
                    canvas.setBitmap(bitmap);
                    view.draw(canvas);
                    canvas.setBitmap(null);
                }
            }
            return bitmap;
        }

        view.clearFocus();
        Bitmap bitmap = createBitmapSafely(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888, 1);
        if (bitmap != null) {
            synchronized (sCanvas) {
                Canvas canvas = sCanvas;
                canvas.setBitmap(bitmap);
                view.draw(canvas);
                canvas.setBitmap(null);
            }
        }
        return bitmap;
    }

    public static Bitmap createBitmapSafely(int width, int height, Bitmap.Config config, int retryCount) {
        try {
            return Bitmap.createBitmap(width, height, config);
        } catch (OutOfMemoryError e) {
            e.printStackTrace();
            if (retryCount > 0) {
                System.gc();
                return createBitmapSafely(width, height, config, retryCount - 1);
            }
            return null;
        }
    }
}