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2014/10/16 ¤W¤È 08:10:27
android Programming Glossary: ballStrange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object with touch screen because of focus issue. I can use roller ball. I know I can do an out of band resize and save of my image..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas animation frame by frame. Here is an example of bouncing ball which rotates which you may find useful. import android.app.Activity.. View int screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap ball bgr public.. screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap ball bgr public BallBounce..
How do I apply a force to a body in the direction it is traveling (Box2D)? http://stackoverflow.com/questions/11257462/how-do-i-apply-a-force-to-a-body-in-the-direction-it-is-traveling-box2d extensive trig I finally came up with private static class Ball extends Sprite Body body public Ball final float pX final float.. private static class Ball extends Sprite Body body public Ball final float pX final float pY final ITextureRegion pTextureRegion..
How to drag the TextView to the correct target other TextView http://stackoverflow.com/questions/17344259/how-to-drag-the-textview-to-the-correct-target-other-textview I need like bellow description. Drag Data Is Apple Orage Ball Drop target location is A for O for B for So if drag Apple drop.. or B for it will be failed because O for Orange and B for Ball . Based on the code bellow what should I add. Layout xml version.. @drawable option android gravity center android text Ball android textStyle bold TextView android id @ id choice_1 android..
Allow only selected charcters based on regex in an EditText http://stackoverflow.com/questions/4180770/allow-only-selected-charcters-based-on-regex-in-an-edittext share improve this question Used a TextWatcher as @Matt Ball suggested. @Override public void afterTextChanged Editable s..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas super.onCreate savedInstanceState setContentView new BallBounce this class BallBounce extends View int screenW int screenH.. setContentView new BallBounce this class BallBounce extends View int screenW int screenH int X int Y int initialY.. ballH int angle float dY float acc Bitmap ball bgr public BallBounce Context context super context ball BitmapFactory.decodeResource..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object widgets elements in each row as I am unable to select a row with touch screen because of focus issue. I can use roller ball. I know I can do an out of band resize and save of my image but that is not really what I want to do but some sample code..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas invalidate is called which means that you have to draw your animation frame by frame. Here is an example of bouncing ball which rotates which you may find useful. import android.app.Activity import android.content.Context import android.graphics.Bitmap.. setContentView new BallBounce this class BallBounce extends View int screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap ball bgr public BallBounce Context context super context ball BitmapFactory.decodeResource.. new BallBounce this class BallBounce extends View int screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap ball bgr public BallBounce Context context super context ball BitmapFactory.decodeResource..
How do I apply a force to a body in the direction it is traveling (Box2D)? http://stackoverflow.com/questions/11257462/how-do-i-apply-a-force-to-a-body-in-the-direction-it-is-traveling-box2d work but I have found a solution Using forces and fairly extensive trig I finally came up with private static class Ball extends Sprite Body body public Ball final float pX final float pY final ITextureRegion pTextureRegion final VertexBufferObjectManager.. forces and fairly extensive trig I finally came up with private static class Ball extends Sprite Body body public Ball final float pX final float pY final ITextureRegion pTextureRegion final VertexBufferObjectManager pVertexBufferObjectManager..
How to drag the TextView to the correct target other TextView http://stackoverflow.com/questions/17344259/how-to-drag-the-textview-to-the-correct-target-other-textview drag and drop very smoothly but it is not working like what I need like bellow description. Drag Data Is Apple Orage Ball Drop target location is A for O for B for So if drag Apple drop to A for it will be CORRECT and update text to A for Apple.. at drag will be hide... but if we drag Apple drop to O for or B for it will be failed because O for Orange and B for Ball . Based on the code bellow what should I add. Layout xml version 1.0 encoding utf 8 LinearLayout xmlns android http schemas.android.com.. wrap_content android layout_margin 5dp android background @drawable option android gravity center android text Ball android textStyle bold TextView android id @ id choice_1 android layout_width fill_parent android layout_height wrap_content..
Allow only selected charcters based on regex in an EditText http://stackoverflow.com/questions/4180770/allow-only-selected-charcters-based-on-regex-in-an-edittext it android regex user input input validation edittext share improve this question Used a TextWatcher as @Matt Ball suggested. @Override public void afterTextChanged Editable s String text s.toString int length text.length if Pattern.matches..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas Activity @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView new BallBounce this class BallBounce extends View int screenW int screenH int X int Y int initialY int ballW int ballH int angle.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView new BallBounce this class BallBounce extends View int screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap.. screenW int screenH int X int Y int initialY int ballW int ballH int angle float dY float acc Bitmap ball bgr public BallBounce Context context super context ball BitmapFactory.decodeResource getResources R.drawable.football load a ball image..
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