goodev

    // 详细信息参考： http://blog.chengyunfeng.com/?p=605 
    // 在 Manifest.xml 中添加权限
    //<uses-permission android:name="android.permission.WRITE_SETTINGS" />
    //<uses-permission android:name="android.permission.CHANGE_CONFIGURATION" />
    private Configuration mConfiguration = new Configuration();
    /** 获取当前系统的配置信息 */
    private void updateConfiguration() {
        try {
            Class<?> activityManagerNative = Class.forName("android.app.ActivityManagerNative");
            try {

goodev

import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;

goodev

import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
 
/**
 * TTF Font file parser
 * <p>

goodev

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >

    <Preference android:title="@string/pref_title_data_manage" >
        <!-- 当用户点击该设置条目的时候，就会调用这个 intent 来启动 SpaceActivity-->
         <intent
             android:action="android.intent.action.VIEW"
             android:targetPackage="org.goodev.test"
             android:targetClass="org.goodev.test.SpaceActivity" />  
    </Preference>

goodev

public class HttpPostUtil {  
    URL url;  
    HttpURLConnection conn;  
    String boundary = "--------httppost123";  
    Map<String, String> textParams = new HashMap<String, String>();  
    Map<String, File> fileparams = new HashMap<String, File>();  
    DataOutputStream ds;  
  
    public HttpPostUtil(String url) throws Exception {  
        this.url = new URL(url);  

goodev

public void transformPage(View view, float position) {
    int pageWidth = view.getWidth();
        
    if (position < -1) { // [-Infinity,-1)
        // This page is way off-screen to the left.
        view.setAlpha(0);

    } else if (position <= 1) { // [-1,1]
          
		  

goodev

import android.content.Context;
import android.os.Build;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.TranslateAnimation;
import android.widget.FrameLayout;

goodev

public abstract class HeaderFooterRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

    private static final int VIEW_TYPE_MAX_COUNT = 1000;
    private static final int HEADER_VIEW_TYPE_OFFSET = 0;
    private static final int FOOTER_VIEW_TYPE_OFFSET = HEADER_VIEW_TYPE_OFFSET + VIEW_TYPE_MAX_COUNT;
    private static final int CONTENT_VIEW_TYPE_OFFSET = FOOTER_VIEW_TYPE_OFFSET + VIEW_TYPE_MAX_COUNT;

    private int headerItemCount;
    private int contentItemCount;
    private int footerItemCount;

goodev

https://blog.growth.supply/party-tricks-with-rxjava-rxandroid-retrolambda-1b06ed7cd29c

View Click

Instead of the verbose setOnClickListener:

RxView.clicks(submitButton).subscribe(o -> log("submit button clicked!"));

Filter even numbers

Observable

goodev

package com.donnfelker.rxexample;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;

import rx.Subscriber;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;