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Convert String text to Bitmap

You can create a Bitmap of the appropriate size, create a Canvas for the Bitmap, and then draw your text into it. You can use a Paint object to measure the text so you’ll know the size needed for the bitmap. You can do something like this (untested): public Bitmap textAsBitmap(String text, float textSize, int … Read more

Suggestions to avoid bitmap Out of Memory error

just use this function to decode…this is perfect solution for your error..because i also getting same error and i got this solution.. public static Bitmap decodeFile(File f,int WIDTH,int HIGHT){ try { //Decode image size BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; BitmapFactory.decodeStream(new FileInputStream(f),null,o); //The new size we want to scale to final int REQUIRED_WIDTH=WIDTH; … Read more

view.getDrawingCache() is deprecated in Android API 28

Two ways to get bitmap of view Using Canvas Using Pixel Api Canvas Java Bitmap getBitmapFromView(View view) { Bitmap bitmap = Bitmap.createBitmap( view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888 ); Canvas canvas = new Canvas(bitmap); view.draw(canvas); return bitmap; } Bitmap getBitmapFromView(View view,int defaultColor) { Bitmap bitmap = Bitmap.createBitmap( view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888 ); Canvas canvas = new Canvas(bitmap); canvas.drawColor(defaultColor); view.draw(canvas); … Read more

Using drawable resources

To avoid error: Binary XML file line #XXX: requires a valid src attribute inside a layer-list, use: <item android:drawable=”https://stackoverflow.com/questions/9788726/@drawable/image” /> instead of: <item> <bitmap android:src=”https://stackoverflow.com/questions/9788726/@drawable/image”/> </item>

Immutable bitmap crash error

You have to convert your workingBitmap to Mutable Bitmap for drawing on Canvas. (Note: this method does not help save memory, it will use extra memory) Bitmap workingBitmap = Bitmap.createBitmap(chosenFrame); Bitmap mutableBitmap = workingBitmap.copy(Bitmap.Config.ARGB_8888, true); Canvas canvas = new Canvas(mutableBitmap); This answer helps don’t waste memory Convert immutable bitmap to a mutable bitmap

Out of memory while creating bitmaps on device

use this method to resize your bitmap- Bitmap bm=decodeSampledBitmapFromPath(src, reqWidth, reqHeight); use this Defination- public Bitmap decodeSampledBitmapFromPath(String path, int reqWidth, int reqHeight) { final BitmapFactory.Options options = new BitmapFactory.Options(); options.inJustDecodeBounds = true; BitmapFactory.decodeFile(path, options); options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight); // Decode bitmap with inSampleSize set options.inJustDecodeBounds = false; Bitmap bmp = BitmapFactory.decodeFile(path, options); return bmp; … Read more

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