ekartoyev’s gists

ekartoyev / app.kt

Created July 26, 2020 11:51

Getting context application-wide #kotlin #android

	import android.app.Application
	import android.content.Context

	class App : Application() {
	companion object {
	lateinit var mApp: Application
	fun context(): Context {
	return mApp.applicationContext
	}
	}

ekartoyev / catch_memory_crash.java

Created July 23, 2020 15:36

Catch out of memory crash #android #java

	public class MyActivity extends Activity implements Thread.UncaughtExceptionHandler{

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	}

	@Override
	public void uncaughtException(Thread thread, Throwable ex) {
	if(ex.getClass().equals(OutOfMemoryError.class))

ekartoyev / button_shadow_style

Last active July 22, 2020 23:56

Button shadow snippet #android #style #app #xml

	<item name="elevation">4dp</item>
	<item name="android:translationZ">4dp</item>
	<item name="android:stateListAnimator">@anim/nothing</item>
	<item name="android:outlineProvider">bounds</item>

ekartoyev / aspect_ratio_view.xml

Created July 22, 2020 11:39

View with aspect ratio

	<android.support.constraint.ConstraintLayout
	android:layout_width="match_parent"
	android:layout_height="match_parent">

	<FrameLayout
	android:layout_width="0dp"
	android:layout_height="0dp"
	android:layout_marginEnd="0dp"
	android:layout_marginStart="0dp"
	android:layout_marginTop="0dp"

ekartoyev / vibrate

Created July 20, 2020 23:48

Vibrate #kotlin #android

	private fun vibrate() {
	val vibe = ctx.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator?
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
	vibe?.vibrate(VibrationEffect.createOneShot(150, 10))
	} else {
	vibe?.vibrate(150)
	};

	}

ekartoyev / AutoText Style

Last active July 23, 2020 00:02

This style resource makes text autofit in the view boundaries #android #style #textview #xml

	<style name="autotext_style">
	<item name="autoSizeTextType">uniform</item>
	<item name="autoSizeMinTextSize">10sp</item>>
	<item name="autoSizeMaxTextSize">1000sp</item>
	<item name="autoSizeStepGranularity">2sp</item>
	</style>

ekartoyev / binding_gradle_parameter.java

Last active July 31, 2020 17:15

Data Binding Gradle Parameter

ekartoyev / str_to_byte_array.java

Last active June 9, 2020 00:30

Convert hex string to byte array ("10bf" ➡ 10, bf)

	public static byte[] strToByteArr(String str) {
	byte[] val = new byte[str.length() / 2];
	for (int i = 0; i < val.length; i++) {
	int index = i * 2;
	int j = Integer.parseInt(str.substring(index, index + 2), 16);
	val[i] = (byte) j;
	}

	return val;
	}

ekartoyev / merge_arrays.java

Created February 28, 2019 03:41

Java - Merge two byte arrays

	byte[] merge(byte[] a, byte[] b) {
	int aLen = a.length;
	int bLen = b.length;
	byte[] c= new byte[aLen + bLen];
	System.arraycopy(a, 0, c, 0, aLen);
	System.arraycopy(b, 0, c, aLen, bLen);
	return c;
	}

ekartoyev / MZ85.java

Last active February 28, 2019 03:42

Java - Z85 encodding (MZ stands for my zed)

	public class MZ85
	{

	private MZ85()
	{
	}

	public static byte[] ENCODER = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
	'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '.', '-',
	':', '+', '=', '^', '!', '/', '*', '?', '&', '<', '>', '(', ')', '[', ']', '{', '}', '@', '%', '$', '#', '0' };

Eugene Kartoyev ekartoyev