mataanin

// Intuitive Focus Extension, Kotlin, Android min 19 SDK
fun View.accessibilityFullFocus() {
    sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED)
    requestFocus()
}

mataanin

// Sample using RxJava 1.x, Kotlin
var offSwitch = false
Observable
        .interval(0, 100L, TimeUnit.MILLISECONDS)
        .observeOn(AndroidSchedulers.mainThread())
        .takeIf { !offSwitch }
        .subscribe {
            // try to focus every 100 milliseconds until the view or any of its children is focused
            view.accessibilityFullFocus()
            offSwitch = view.isAccessibilityFocused || view.hasAccessibilityFocusedChild

mataanin

// Kotlin, Android min 19 SDK 

private enum class Adjustment {
    DARKEN,
    LIGHTEN,
    NONE
}

fun Context.adjustTextColor(color: Int, isHighContrastEnabled: Boolean): Int {
    if (isHighContrastEnabled) {

mataanin

import android.app.Activity
import android.content.Context
import com.google.android.gms.common.api.ApiException
import com.google.android.gms.wallet.IsReadyToPayRequest
import com.google.android.gms.wallet.PaymentsClient
import com.google.android.gms.wallet.Wallet
import com.google.android.gms.wallet.WalletConstants
import rx.Emitter
import rx.Observable

mataanin

package com.instacart.library.persistence;

import android.content.Context;

import com.fasterxml.jackson.core.type.TypeReference;

import java.io.IOException;
import java.util.List;

public class ILJsonCollectionFile<PAYLOAD> extends ILJsonFile<List<PAYLOAD>> {

mataanin

public abstract class BaseFragment extends Fragment implements ViewableFragment {

    private boolean mHasViews;

    @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View root = inflater.inflate(getFragmentLayoutId(), null);
        ButterKnife.inject(this, root);
        return root
    }

mataanin

    @Override protected void dispatchDraw(Canvas canvas) {
        super.dispatchDraw(canvas);

        if (mDragMode && mBitmap != null) {
            //Log.v("DG", "dispatchDraw matrix " + mMatrix);
            canvas.drawBitmap(mBitmap, mMatrix, new Paint());
        }
   }

mataanin

/**
 * 引用不同的数据，会得到不同的地图切片
 * 卫星（无地标） WGS-84 一般 GCJ-02
 * <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
 * 卫星（有地标） GCJ-02 一般 GCJ-02
 * <script src="https://ditu.google.cn/maps/api/js?v=3.exp&sensor=false"></script>
 */
(function (map) {

    var Converter = function () {

mataanin

/**
 * 引用不同的数据，会得到不同的地图切片
 * 卫星（无地标） WGS-84 一般 GCJ-02
 * <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
 * 卫星（有地标） GCJ-02 一般 GCJ-02
 * <script src="https://ditu.google.cn/maps/api/js?v=3.exp&sensor=false"></script>
 */
(function (map) {

    var Converter = function () {

mataanin

// Taken from Contacts List example
public static int calculateMemCacheSize(float percent) {
      if (percent < 0.05f || percent > 0.8f) {
        throw new IllegalArgumentException("setMemCacheSizePercent - percent must be "
                + "between 0.05 and 0.8 (inclusive)");
    }
    return Math.round(percent * Runtime.getRuntime().maxMemory() / 1024);
}