Android点击WebView中的图片获取指定标签段的所有图片实现缩放及滑动浏览-PhotoView

加载网页后如何捕捉网页中的图片点击事件； 获取点击的图片资源后进行图片显示，获取整个页面所有的图片； 支持查看上下一张的图片以及对图片缩放显示； 对图片进行保存； 其他：图片缓存的处理（不用每次都重新加载已查看过的图片）

/**
 * Automatically generated file. DO NOT MODIFY
 */
package com.example.administrator.webviewpagescannerapp.test;

public final class BuildConfig {
  public static final boolean DEBUG = Boolean.parseBoolean（“true“）;
  public static final String APPLICATION_ID = “com.example.administrator.webviewpagescannerapp.test“;
  public static final String BUILD_TYPE = “debug“;
  public static final String FLAVOR = ““;
  public static final int VERSION_CODE = 1;
  public static final String VERSION_NAME = “1.0“;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         118  2017-09-01 10:14  WebViewPageScannerApp-master\.gitignore
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\
     文件          31  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\cache.properties
     文件          17  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\cache.properties.lock
     文件      145763  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\fileHashes.bin
     文件     1061730  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin
     文件       22334  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin
     文件       67666  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\
     文件       45988  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
     文件          17  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\
     文件       20483  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
     文件          17  2017-12-20 11:18  WebViewPageScannerApp-master\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
     目录           0  2017-12-20 10:37  WebViewPageScannerApp-master\app\
     文件           7  2017-09-01 10:14  WebViewPageScannerApp-master\app\.gitignore
     文件       12245  2017-12-20 10:37  WebViewPageScannerApp-master\app\app.iml
     文件        1044  2017-09-01 10:14  WebViewPageScannerApp-master\app\build.gradle
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\assets\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\assets\shaders\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\assets\shaders\debug\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\res\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\res\resValues\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\res\resValues\androidTest\
     目录           0  2017-12-19 10:26  WebViewPageScannerApp-master\app\build\generated\res\resValues\androidTest\debug\
............此处省略4235个文件信息