justasm’s gists

justasm / MultiTouchView.java

Last active October 17, 2018 12:41

Android multitouch - tracking individual pointers (fingers) across space and time.

	package com.example.multitouch;

	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;

	import android.annotation.SuppressLint;
	import android.content.Context;
	import android.graphics.Canvas;
	import android.graphics.Color;

justasm / VideoPlaybackActivity.java

Created August 21, 2014 15:45

Android video playback - using VideoView to play file from res/raw/ & MediaController for playback control.

	package com.example.videotest;

	import android.app.Activity;
	import android.net.Uri;
	import android.os.Bundle;
	import android.widget.MediaController;
	import android.widget.VideoView;

	public class VideoPlaybackActivity extends Activity {

justasm / VideoPlaybackActivity2.java

Last active October 12, 2024 16:01

Android video playback - using MediaPlayer and SurfaceView to play file from res/raw/.

	package com.example.videotest;

	import android.app.Activity;
	import android.media.MediaPlayer;
	import android.os.Bundle;
	import android.view.SurfaceHolder;
	import android.view.SurfaceHolder.Callback;
	import android.view.SurfaceView;

	public class VideoPlaybackActivity2 extends Activity {

justasm / MaskImageView.java

Created September 1, 2014 17:14

Android image compositing - masking Bitmap with another Bitmap.

	import android.content.Context;
	import android.graphics.Bitmap;
	import android.graphics.BitmapShader;
	import android.graphics.Canvas;
	import android.graphics.Paint;
	import android.graphics.Shader;
	import android.graphics.drawable.BitmapDrawable;
	import android.util.AttributeSet;
	import android.widget.ImageView;

justasm / HorSwipeAwareRelativeLayout.java

Last active May 18, 2020 06:40

Android detecting horizontal swipe gestures. Designed for use in layout parent for top-level back navigation, but easily made more flexible.

	import android.annotation.TargetApi;
	import android.content.Context;
	import android.os.Build;
	import android.support.annotation.NonNull;
	import android.util.AttributeSet;
	import android.view.MotionEvent;
	import android.view.VelocityTracker;
	import android.view.ViewConfiguration;
	import android.widget.RelativeLayout;

justasm / NonPersistentCookieJar.java

Last active April 21, 2019 10:03

OkHttp 3 non-persistent CookieJar with an ACCEPT_ALL policy

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.LinkedHashSet;
	import java.util.List;
	import java.util.Set;

	import okhttp3.Cookie;
	import okhttp3.CookieJar;
	import okhttp3.HttpUrl;

justasm / VTKLoader.java

Created February 21, 2016 21:17

Legacy VTK file loader. Decodes POLYDATA datasets from binary or ASCII VTK files to vertex, index and normal float buffers.

	import java.io.BufferedInputStream;
	import java.io.DataInputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.nio.Buffer;
	import java.nio.ByteBuffer;
	import java.nio.ByteOrder;
	import java.nio.FloatBuffer;
	import java.nio.ShortBuffer;
	import java.util.ArrayList;

justasm / CircleTransformation.java

Created August 15, 2016 19:34

Picasso CircleTransformation

	import android.graphics.Bitmap;
	import android.graphics.BitmapShader;
	import android.graphics.Canvas;
	import android.graphics.Matrix;
	import android.graphics.Paint;
	import android.graphics.Shader;

	import com.squareup.picasso.Transformation;

	public class CircleTransformation implements Transformation {

justasm / app_build.gradle

Last active May 15, 2020 17:55

Kotlin Android Extensions with Android library module https://youtrack.jetbrains.com/issue/KT-16934

	apply plugin: 'com.android.application'
	apply plugin: 'kotlin-android'
	apply plugin: 'kotlin-android-extensions'

	android {
	compileSdkVersion 25
	buildToolsVersion "25.0.2"
	defaultConfig {
	applicationId "com.example.kxt"
	minSdkVersion 15

justasm / LazyMutable.kt

Created August 8, 2017 08:39

Kotlin Lazy for mutable values

	@file:Suppress("RedundantVisibilityModifier", "NOTHING_TO_INLINE")

	import kotlin.reflect.KProperty

	public interface LazyMutable<T> {
	public var value: T
	public fun isInitialized(): Boolean
	}

	public inline operator fun <T> LazyMutable<T>.getValue(thisRef: Any?, property: KProperty<*>): T {

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