ognian-

#include <cerrno>
#include <system_error>
#include <type_traits>

void check_errno() {
	const auto e = errno;
	if (e) {
		errno = 0;
		throw std::system_error(e, std::system_category());
	}

ognian-

struct finally {
	inline explicit finally(const std::function<void()>& code) noexcept: m_code{code} {}
	inline ~finally() noexcept { try { m_code(); } catch(...) {} }
private:
	finally(const finally&) = delete;
	finally(finally&&) = delete;
	finally& operator=(const finally&) = delete;
	finally& operator=(finally&&) = delete;
	std::function<void()> m_code;
};

ognian-

public static String toString(InputStream is) throws IOException {
	InputStreamReader isr = null;
	try {
		isr = new InputStreamReader(is, "UTF-8");
		char[] buf = new char[512];
		StringBuilder str = new StringBuilder();
		int i = 0;
		while ( (i = isr.read(buf)) != -1 ) str.append(buf, 0 ,i);
		return str.toString();
	} finally {

ognian-

import java.io.DataInput;
import java.io.EOFException;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;

public class LEDataInputStream extends FilterInputStream implements DataInput {

    private final byte[] buffer = new byte[8];
    

ognian-

import android.os.Looper;
import android.os.MessageQueue;
import android.util.Log;
import android.util.Printer;

public class ANRDetector {

	public static final String TAG = "ANRDetector";
	private final Looper looper;
	private final MessageQueue queue;

ognian-

public static int getLowBatteryWarningLevel() {
	return Resources.getSystem().getInteger(
	  Resources.getSystem().getIdentifier("config_lowBatteryWarningLevel", "integer", "android"));
}

ognian-

/*
 * Create a circle avatar from a Bitmap. Use in ImageView
 * with setImageDrawable()
 */
public static Drawable makeCircleAvatar(Bitmap bmp) {
	ShapeDrawable dr = new ShapeDrawable(new OvalShape());
	dr.getPaint().setShader(new BitmapShader(bmp, TileMode.CLAMP, TileMode.CLAMP));
	dr.setIntrinsicWidth(bmp.getWidth());
	dr.setIntrinsicHeight(bmp.getHeight());
	return dr;