Android and android

Android and android

Android rewards

Custom View on textView

Import android. content. Context;
Import android. graphics. Bitmap;
Import android. graphics. Bitmap. Config;
Import android. graphics. Canvas;
Import android. graphics. Color;
Import android. graphics. Paint;
Import android. graphics. Path;
Import android. graphics. PorterDuff. Mode;
Import android. graphics. porterduduxfermode;
Import android. util. AttributeSet;
Import android. view. MotionEvent;
Import android. view. View;

Public class EraseView extends View {

Private boolean isMove = false;
Private Bitmap bitmap = null;
Private Bitmap frontBitmap = null;
Private Path path;
Private Canvas mCanvas;
Private Paint paint;


Public EraseView (Context context, AttributeSet attrs ){
Super (context, attrs );
}
@ Override
Protected void onDraw (Canvas canvas ){

If (mCanvas = null ){
EraseBitmp ();
}
Canvas. drawBitmap (bitmap, 0, 0, null );
MCanvas. drawPath (path, paint );
Super. onDraw (canvas );
}

Public void EraseBitmp (){

Bitmap = Bitmap. createBitmap (getWidth (), getHeight (), Bitmap. Config. ARGB_4444 );

FrontBitmap = CreateBitmap (Color. GRAY, getWidth (), getHeight ());

Paint = new Paint ();
Paint. setStyle (Paint. Style. STROKE );
Paint. setXfermode (new porterduxfermode (Mode. CLEAR ));
Paint. setAntiAlias (true );
Paint. setDither (true );
Paint. setStrokeJoin (Paint. Join. ROUND );
Paint. setStrokeCap (Paint. Cap. ROUND );
Paint. setStrokeWidth (20 );

Path = new Path ();

MCanvas = new Canvas (bitmap );
MCanvas. drawBitmap (frontBitmap, 0, 0, null );
}

@ Override
Public boolean onTouchEvent (MotionEvent event ){
Float ax = event. getX ();
Float ay = event. getY ();

If (event. getAction () = MotionEvent. ACTION_DOWN ){
IsMove = false;
Path. reset ();
Path. moveTo (ax, ay );
Invalidate ();
Return true;
} Else if (event. getAction () = MotionEvent. ACTION_MOVE ){
IsMove = true;
Path. lineTo (ax, ay );
Invalidate ();
Return true;
}
Return super. onTouchEvent (event );
}

Public Bitmap CreateBitmap (int color, int width, int height ){
Int [] rgb = new int [width * height];

For (int I = 0; I <rgb. length; I ++ ){
Rgb [I] = color;
}

Return Bitmap. createBitmap (rgb, width, height, Config. ARGB_8888 );
}

}

Layout File

<LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: orientation = "vertical">

<RelativeLayout
Android: layout_width = "match_parent"
Android: layout_height = "wrap_content"
Android: layout_marginLeft = "30dp"
Android: layout_marginTop = "100dp">

<TextView
Android: id = "@ + id/TV _main_msg"
Android: layout_width = "300dp"
Android: layout_height = "150dp"
Android: background = "@ android: color/holo_red_dark"
Android: gravity = "center_vertical | center_horizontal"
Android: text = "You did not win"
Android: textSize = "40sp"/>

<Com. example. guale. EraseView
Android: id = "@ + id/eraseView1"
Android: layout_width = "300dp"
Android: layout_height = "150dp"/>
</RelativeLayout>

</LinearLayout>