webview 调用手机相机和图库demo(亲测好用)

package com.houjianbo.demo.testwebview; import android.Manifest; import android.annotation.TargetApi; import android.app.Activity; import android.content.ClipData; import android.content.ContentValues; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Parcelable; import android.os.StrictMode; import android.provider.MediaStore; import android.support.v4.app.ActivityCompat; import android.text.format.DateFormat; import android.util.Log; import android.webkit.ValueCallback; import android.webkit.WebChromeClient; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Toast; import java.io.File; import java.io.IOException; import java.util.Calendar; import java.util.Locale; public class MainActivity extends Activity { private static final String TAG = MainActivity.class.getSimpleName(); private WebView mWebView; private String TMP_URL = "file:///android_asset/TestCamera.html"; private ValueCallback<Uri> mUploadMessage;// 表单的数据信息 private ValueCallback<Uri[]> mUploadCallbackAboveL; private final static int FILECHOOSER_RESULTCODE = 1;// 表单的结果回调</span> private Uri imageUri; File file; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mWebView = (WebView) findViewById(R.id.webview); mWebView.loadUrl(TMP_URL); mWebView.getSettings().setJavaScriptEnabled(true); mWebView.getSettings().setRenderPriority(WebSettings.RenderPriority.HIGH); WebSettings settings = mWebView.getSettings(); settings.setDomStorageEnabled(true); settings.setUseWideViewPort(true); settings.setLoadWithOverviewMode(true); settings.setAllowContentAccess(true); // 是否可访问Content Provider的资源，默认值 true settings.setAllowFileAccess(true); // 是否可访问本地文件，默认值 true // 是否允许通过file url加载的Javascript读取本地文件，默认值 false settings.setAllowFileAccessFromFileURLs(false); // 是否允许通过file url加载的Javascript读取全部资源(包括文件,http,https)，默认值 false settings.setAllowUniversalAccessFromFileURLs(false); settings.setJavaScriptEnabled(true); settings.setSupportZoom(true); //检查权限 checkAppPermission(); mWebView.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { // TODO Auto-generated method stub view.loadUrl(url); return super.shouldOverrideUrlLoading(view, url); } @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { // TODO Auto-generated method stub super.onPageStarted(view, url, favicon); } @Override public void onPageFinished(WebView view, String url) { // TODO Auto-generated method stub super.onPageFinished(view, url); } }); mWebView.setWebChromeClient(new WebChromeClient() { @Override public boolean onShowFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback, FileChooserParams fileChooserParams) { mUploadCallbackAboveL = filePathCallback; take(); return true; } public void openFileChooser(ValueCallback<Uri> uploadMsg) { mUploadMessage = uploadMsg; take(); } public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType) { mUploadMessage = uploadMsg; take(); } public void openFileChooser(ValueCallback<Uri> uploadMsg, String acceptType, String capture) { mUploadMessage = uploadMsg; take(); } }); //android 7.0系统解决拍照的问题 // StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder(); // StrictMode.setVmPolicy(builder.build()); // builder.detectFileUriExposure(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == FILECHOOSER_RESULTCODE) { updatePhotos(); if (null == mUploadMessage && null == mUploadCallbackAboveL) return; Uri result = data == null || resultCode != RESULT_OK ? null : data.getData(); if (mUploadCallbackAboveL != null) { onActivityResultAboveL(requestCode, resultCode, data); } else if (mUploadMessage != null) { Log.e("result", result + ""); if (result == null) { // mUploadMessage.onReceiveValue(imageUri); mUploadMessage.onReceiveValue(imageUri); mUploadMessage = null; Log.e("imageUri", imageUri + ""); } else { mUploadMessage.onReceiveValue(result); mUploadMessage = null; } } } } @SuppressWarnings("null") @TargetApi(Build.VERSION_CODES.LOLLIPOP) private void onActivityResultAboveL(int requestCode, int resultCode, Intent data) { if (requestCode != FILECHOOSER_RESULTCODE || mUploadCallbackAboveL == null) { return; } Uri[] results = null; if (resultCode == Activity.RESULT_OK) { if (data == null) { results = new Uri[]{imageUri}; } else { String dataString = data.getDataString(); ClipData clipData = data.getClipData(); if (clipData != null) { results = new Uri[clipData.getItemCount()]; for (int i = 0; i < clipData.getItemCount(); i++) { ClipData.Item item = clipData.getItemAt(i); results[i] = item.getUri(); } } if (dataString != null) results = new Uri[]{Uri.parse(dataString)}; } } if (results != null) { mUploadCallbackAboveL.onReceiveValue(results); mUploadCallbackAboveL = null; } else { results = new Uri[]{imageUri}; mUploadCallbackAboveL.onReceiveValue(results); mUploadCallbackAboveL = null; } return; } private void take() { // int hasCameraContactsPermission = ActivityCompat.checkSelfPermission(this,Manifest.permission.CAMERA); // if (hasCameraContactsPermission != PackageManager.PERMISSION_GRANTED) { // String[] PERMISSIONS_STORAGE = { // Manifest.permission.CAMERA}; // // ActivityCompat.requestPermissions(this, PERMISSIONS_STORAGE, // 1); // } // // int hasWriteContactsPermission = ActivityCompat.checkSelfPermission(this,Manifest.permission.WRITE_EXTERNAL_STORAGE); // if (hasWriteContactsPermission != PackageManager.PERMISSION_GRANTED) { // String[] PERMISSIONS_STORAGE = { // Man