¡@
2014/10/16 ¤W¤È 08:26:47
android Programming Glossary: triangleAugmented reality - Image size transform http://stackoverflow.com/questions/11387535/augmented-reality-image-size-transform wide at its base the viewer will look out at a right angle triangle 45 degrees to the left and 45 degrees to the right. Please note..
Issue with tablet detection Synchro Digital http://stackoverflow.com/questions/11874348/issue-with-tablet-detection-synchro-digital the tablet under Other Devices Android with the yellow triangle. The manufacturer's website offers a Support section but no.. Devices Android and open up the entry with the yellow triangle Go to details tab Select hardware IDs from the Property dropdown..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra This seems a little weird. Create a rotation for the triangle Matrix.setRotateM mRotationMatrix 0 mAngle 0 0 1.0f Combine..
Detect 7 inch and 10 inch tablet programmatically http://stackoverflow.com/questions/15055458/detect-7-inch-and-10-inch-tablet-programmatically the width. However we also know that given the height of a triangle and the width we can use the Pythagorean theorem to work out..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant mProgram vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray mPositionHandle Prepare.. mPositionHandle Prepare the triangle coordinate data GLES20.glVertexAttribPointer mPositionHandle.. mProgram vColor Set color for drawing the triangle GLES20.glUniform4fv mColorHandle 1 lcolor 0 GLES20.glLineWidth..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why to draw textured triangles on device fails but the emulator works. Why I have a series.. I have a series of OpenGL ES calls that properly render a triangle and texture it with alpha blending on the emulator 2.0.1 . When.. GL10.GL_TEXTURE_2D textures textureid Draw the vertices as triangles gl.glDrawElements GL10.GL_TRIANGLES indices.length GL10.GL_UNSIGNED_BYTE..
How to draw a filled triangle in android canvas? http://stackoverflow.com/questions/3501126/how-to-draw-a-filled-triangle-in-android-canvas to draw a filled triangle in android canvas So I'm drawing this triangle in android maps.. a filled triangle in android canvas So I'm drawing this triangle in android maps using the code below in my draw method paint.setARGB.. basically latitudes and longitudes. The result is a nice triangle but the insider is empty and therefore I can see the map. Is..
How to create android spinner without down triangle on the right side of the widget http://stackoverflow.com/questions/4058360/how-to-create-android-spinner-without-down-triangle-on-the-right-side-of-the-wid to create android spinner without down triangle on the right side of the widget I have a screen where the user.. left portion of the Spinner widget without the normal down triangle on the right side of the Spinner. Then when the user presses..
Detect touch press vs long press vs movement? http://stackoverflow.com/questions/4324362/detect-touch-press-vs-long-press-vs-movement comes up to select a different image circle rectangle or triangle . I made a custom View with my own OnTouchListener to detect..
How do I draw an arrowhead (in Android)? http://stackoverflow.com/questions/6713757/how-do-i-draw-an-arrowhead-in-android where you would give the x and y positions to create a triangle using lines and filling it. You can read about it here is an.. here is an example I took from somewhere. create and draw triangles use a Path object to store the 3 line segments use .offset.. segments use .offset to draw in many locations note this triangle is not centered at 0 0 paint.setStyle Paint.Style.STROKE paint.setStrokeWidth..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails 1 camera_texture null private void initShapes float triangleCoords X Y Z 1.0f 1.0f 0.0f 1.0f 1.0f 0.0f 1.0f 1.0f 0.0f 1.0f.. for vertices ByteBuffer vbb ByteBuffer.allocateDirect triangleCoords.length 4 vbb.order ByteOrder.nativeOrder use the device.. a floating point buffer from the ByteBuffer vertices.put triangleCoords add the coordinates to the FloatBuffer vertices.position..
Augmented reality - Image size transform http://stackoverflow.com/questions/11387535/augmented-reality-image-size-transform This is going to present a viewport which is 90 degrees wide at its base the viewer will look out at a right angle triangle 45 degrees to the left and 45 degrees to the right. Please note that none of this is measured or purely scientific but for..
Issue with tablet detection Synchro Digital http://stackoverflow.com/questions/11874348/issue-with-tablet-detection-synchro-digital logcat when connecting the tablet. In device management I find the tablet under Other Devices Android with the yellow triangle. The manufacturer's website offers a Support section but no link to the drivers. Tried with another PC same result. Any.. need to fill in the blanks. Open up device manager Go to Other Devices Android and open up the entry with the yellow triangle Go to details tab Select hardware IDs from the Property dropdown Look familiar Example USB VID_0BB4 PID_0CBB MI_01 Copy..
Is Google's Android OpenGL tutorial teaching incorrect linear algebra? http://stackoverflow.com/questions/11925647/is-googles-android-opengl-tutorial-teaching-incorrect-linear-algebra are appending a rotation to the left hand side of the MVPMatrix This seems a little weird. Create a rotation for the triangle Matrix.setRotateM mRotationMatrix 0 mAngle 0 0 1.0f Combine the rotation matrix with the projection and camera view Matrix.multiplyMM..
Detect 7 inch and 10 inch tablet programmatically http://stackoverflow.com/questions/15055458/detect-7-inch-and-10-inch-tablet-programmatically of a device is the diagonal all we have is the height and the width. However we also know that given the height of a triangle and the width we can use the Pythagorean theorem to work out the length of the hypotenuse In this case the size of the screen..
Is Opengl Development GPU Dependant? http://stackoverflow.com/questions/17229066/is-opengl-development-gpu-dependant vertex shader's vPosition member mPositionHandle GLES20.glGetAttribLocation mProgram vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray mPositionHandle Prepare the triangle coordinate data GLES20.glVertexAttribPointer.. vPosition Enable a handle to the triangle vertices GLES20.glEnableVertexAttribArray mPositionHandle Prepare the triangle coordinate data GLES20.glVertexAttribPointer mPositionHandle COORDS_PER_VERTEX GLES20.GL_FLOAT false vertexStride vertexBuffer.. to fragment shader's vColor member mColorHandle GLES20.glGetUniformLocation mProgram vColor Set color for drawing the triangle GLES20.glUniform4fv mColorHandle 1 lcolor 0 GLES20.glLineWidth 3 Draw the triangle GLES20.glDrawArrays GLES20.GL_LINES 0..
Trying to draw textured triangles on device fails, but the emulator works. Why? http://stackoverflow.com/questions/2113638/trying-to-draw-textured-triangles-on-device-fails-but-the-emulator-works-why to draw textured triangles on device fails but the emulator works. Why I have a series of OpenGL ES calls that properly render a triangle and texture.. triangles on device fails but the emulator works. Why I have a series of OpenGL ES calls that properly render a triangle and texture it with alpha blending on the emulator 2.0.1 . When I fire up the same code on an actual device Droid 2.0.1.. 1.0f 1.0f 1.0f 1.0f Bind the texture gl.glBindTexture GL10.GL_TEXTURE_2D textures textureid Draw the vertices as triangles gl.glDrawElements GL10.GL_TRIANGLES indices.length GL10.GL_UNSIGNED_BYTE indexBuffer Pop the matrix back to where we left..
How to draw a filled triangle in android canvas? http://stackoverflow.com/questions/3501126/how-to-draw-a-filled-triangle-in-android-canvas to draw a filled triangle in android canvas So I'm drawing this triangle in android maps using the code below in my draw method paint.setARGB 255.. to draw a filled triangle in android canvas So I'm drawing this triangle in android maps using the code below in my draw method paint.setARGB 255 153 29 29 paint.setStyle Paint.Style.FILL_AND_STROKE.. the coordinates which I'm getting from the fields. They are basically latitudes and longitudes. The result is a nice triangle but the insider is empty and therefore I can see the map. Is there a way to fill it up somehow java android google maps..
How to create android spinner without down triangle on the right side of the widget http://stackoverflow.com/questions/4058360/how-to-create-android-spinner-without-down-triangle-on-the-right-side-of-the-wid to create android spinner without down triangle on the right side of the widget I have a screen where the user has many items to input so screen space is at a premium... the user presses it to be similar to an EditText or the left portion of the Spinner widget without the normal down triangle on the right side of the Spinner. Then when the user presses the widget he she will get the normal Spinner selection dialog...
Detect touch press vs long press vs movement? http://stackoverflow.com/questions/4324362/detect-touch-press-vs-long-press-vs-movement about it. When I long press it an AlertDialog with a list comes up to select a different image circle rectangle or triangle . I made a custom View with my own OnTouchListener to detect the events and draw the image in onDraw. The OnTouchListener.onTouch..
How do I draw an arrowhead (in Android)? http://stackoverflow.com/questions/6713757/how-do-i-draw-an-arrowhead-in-android improve this question How about using Path myPath new Path where you would give the x and y positions to create a triangle using lines and filling it. You can read about it here is an example I took from somewhere. create and draw triangles use.. a triangle using lines and filling it. You can read about it here is an example I took from somewhere. create and draw triangles use a Path object to store the 3 line segments use .offset to draw in many locations note this triangle is not centered.. and draw triangles use a Path object to store the 3 line segments use .offset to draw in many locations note this triangle is not centered at 0 0 paint.setStyle Paint.Style.STROKE paint.setStrokeWidth 2 paint.setColor Color.RED Path path new Path..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails mProgram s_texture GLES20.glPixelStorei GLES20.GL_UNPACK_ALIGNMENT 1 camera_texture null private void initShapes float triangleCoords X Y Z 1.0f 1.0f 0.0f 1.0f 1.0f 0.0f 1.0f 1.0f 0.0f 1.0f 1.0f 0.0f float texcoordf X Y Z 1.0f 1.0f 1.0f 1.0f 1.0f.. 1.0f 1.0f 1.0f 1.0f 1.0f 1.0f 1.0f initialize vertex Buffer for vertices ByteBuffer vbb ByteBuffer.allocateDirect triangleCoords.length 4 vbb.order ByteOrder.nativeOrder use the device hardware's native byte order vertices vbb.asFloatBuffer create.. native byte order vertices vbb.asFloatBuffer create a floating point buffer from the ByteBuffer vertices.put triangleCoords add the coordinates to the FloatBuffer vertices.position 0 set the buffer to read the first coordinate initialize..
|