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public class RefreshProgressBar extends View {

    private static final float PROGRESS_BAR_HEIGHT = 5f;

    private final Handler handler;
    private boolean mIsRefreshing = false;
    private SwipeProgressBar mProgressBar;
    private final int mProgressBarHeight;

    public RefreshProgressBar(Context context) {

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package android.support.v4.widget;

import android.content.Context;
import android.graphics.Canvas;
import android.os.Handler;
import android.support.annotation.ColorInt;
import android.support.annotation.ColorRes;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.util.AttributeSet;

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package com.rain.example.data.provider;

import com.rain.example.data.database.RainEmployeeDatabase;

import com.rain.example.data.database.table.*;

import android.provider.BaseColumns;
import android.text.TextUtils;
import android.content.ContentUris;
import android.database.sqlite.SQLiteQueryBuilder;

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/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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public static int getCurrentCountryCode(Context context) {
        TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        String countryIso = telephonyManager.getSimCountryIso().toUpperCase();
        return PhoneNumberUtil.getInstance().getCountryCodeForRegion(countryIso);
    }

PhoneNumberUtil 引用自
compile 'com.googlecode.libphonenumber:libphonenumber:8.3.1'
    

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System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories

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import android.database.Cursor;
import android.support.annotation.NonNull;

import com.raizlabs.android.dbflow.runtime.DBTransactionInfo;
import com.raizlabs.android.dbflow.runtime.TransactionManager;
import com.raizlabs.android.dbflow.runtime.transaction.BaseTransaction;
import com.raizlabs.android.dbflow.runtime.transaction.QueryTransaction;
import com.raizlabs.android.dbflow.runtime.transaction.TransactionListener;
import com.raizlabs.android.dbflow.sql.builder.ConditionQueryBuilder;
import com.raizlabs.android.dbflow.sql.language.Delete;

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package com.yelp.android.ui.widgets;

import com.yelp.android.R;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;

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/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

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Simple RecyclerView Divider

Simple Horizontal Divider Item Decoration for RecyclerView

    mRecyclerView.addItemDecoration(new SimpleDividerItemDecoration(
            getApplicationContext()
    	));

NOTE: Add item decoration prior to setting the adapter