Android adds watermark text to a picture

Import Android.os.bundle;import Android.widget.imageview;import Android.app.activity;import Android.graphics.bitmap;import Android.graphics.canvas;import Android.graphics.color;import Android.graphics.paint;import Android.graphics.drawable.bitmapdrawable;import android.graphics.drawable.Drawable ;p ublic class Mainactivity extends Activity {@Overrideprotected void onCreate (Bundle savedinstancestate) { Super.oncreate (savedinstancestate); Setcontentview (R.layout.activity_main); ImageView IV = (ImageView) Findviewbyid ( R.id.imageview);//For simple period, use Android native small robot as target picture drawable drawable = Getresources (). Getdrawable (R.drawable.ic_ Launcher)///drawable-bitmap:drawable convert to Bitmap. bitmapdrawable BD = (bitmapdrawable) drawable; Bitmap bmp = Bd.getbitmap ();//Add watermark to Bitmap Bitmap Bitmap = Createwatermark (BMP, "@ Zhang Phil"); Iv.setimagebitmap (Bitmap) ;} Add watermark text to image target//Bitmap target: Watermark-added picture//String mark: Watermark article private Bitmap Createwatermark (Bitmap target, String Mark) {int w = target.getwidth (); int h= Target.getheight (); Bitmap bmp = Bitmap.createbitmap (W, H, Bitmap.Config.ARGB_8888); Canvas canvas = new canvas (BMP); Paint p = new paint ();//Watermark Color P.setcolor (color.red);//Watermark Font size p.settextsize (Ten);p. Setantialias (TRUE);// Anti-aliasing Canvas.drawbitmap (target, 0, 0, p);//Add Watermark Canvas.drawtext (Mark, 0, H/2, p) in the middle position on the left, Canvas.save (canvas.all_save_ FLAG); Canvas.restore (); return bmp;}}

Android adds watermark text to a picture