通讯录字母检索功能源码

字母检索功能源码，带动画，带搜索，网络请求回数据一定要添加索引。博客https://mp.csdn.net/postedit/80366870

package com.nanchen.wavesidebarview;

import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

/**
 * Instrumentation test which will execute on an Android device.
 *
 * @see Testing documentation
 */
@RunWith（AndroidJUnit4.class）
public class ExampleInstrumentedTest {
    @Test
    public void useAppContext（） throws Exception {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getTargetContext（）;

        assertEquals（“com.nanchen.wavesidebarview“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    .......       378  2017-03-17 08:30  WaveSideBar\.gitattributes

    .......       143  2017-03-17 08:30  WaveSideBar\.gitignore

     文件         31  2018-04-13 09:48  WaveSideBar\.gradle\2.14.1\taskArtifacts\cache.properties

     文件         17  2018-05-18 17:01  WaveSideBar\.gradle\2.14.1\taskArtifacts\cache.properties.lock

     文件     406611  2018-05-18 17:01  WaveSideBar\.gradle\2.14.1\taskArtifacts\fileHashes.bin

     文件    2598172  2018-05-18 17:01  WaveSideBar\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin

     文件      27248  2018-05-18 17:01  WaveSideBar\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin

     文件      95909  2018-05-18 17:01  WaveSideBar\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin

     文件      31710  2018-04-15 15:59  WaveSideBar\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2018-04-15 15:59  WaveSideBar\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      20686  2018-04-15 15:59  WaveSideBar\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2018-04-15 15:59  WaveSideBar\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件      23771  2018-04-13 09:51  WaveSideBar\.gradle\2.14.1\tasks\_WaveSideBar_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin

     文件         17  2018-04-13 09:51  WaveSideBar\.gradle\2.14.1\tasks\_WaveSideBar_compileReleaseJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock

     文件      20154  2018-04-13 09:51  WaveSideBar\.gradle\2.14.1\tasks\_WaveSideBar_compileReleaseJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin

     文件         17  2018-04-13 09:51  WaveSideBar\.gradle\2.14.1\tasks\_WaveSideBar_compileReleaseJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock

     文件        686  2018-04-13 09:44  WaveSideBar\.idea\compiler.xml

     文件         76  2018-04-13 09:44  WaveSideBar\.idea\copyright\profiles_settings.xml

     文件        683  2018-04-13 09:45  WaveSideBar\.idea\gradle.xml

     文件        852  2018-05-18 17:00  WaveSideBar\.idea\libraries\animated_vector_drawable_25_1_1.xml

     文件       1089  2018-05-18 17:00  WaveSideBar\.idea\libraries\appcompat_v7_25_1_1.xml

     文件        736  2018-05-18 17:00  WaveSideBar\.idea\libraries\design_25_1_1.xml

     文件        824  2018-05-18 17:00  WaveSideBar\.idea\libraries\espresso_core_2_2_2.xml

     文件        901  2018-05-18 17:00  WaveSideBar\.idea\libraries\espresso_idling_resource_2_2_2.xml

     文件        928  2018-05-18 17:00  WaveSideBar\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml

     文件        526  2018-05-18 17:00  WaveSideBar\.idea\libraries\hamcrest_core_1_3.xml

     文件        354  2018-05-18 17:00  WaveSideBar\.idea\libraries\hamcrest_integration_1_3.xml

     文件        540  2018-05-18 17:00  WaveSideBar\.idea\libraries\hamcrest_library_1_3.xml

     文件        330  2018-05-18 17:00  WaveSideBar\.idea\libraries\javawriter_2_1_1.xml

     文件        358  2018-05-18 17:00  WaveSideBar\.idea\libraries\javax_annotation_api_1_2.xml

............此处省略147个文件信息