注意：Android6.0以上需要首先获取摄像头权限，不然无法获取照片
package com.wshoto.user.anyong.ui.activity;
public class BBSActivity extends InitActivity {
@BindView(R.id.wv_bbs)
WebView mWvBbs;
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
private Uri imageUri;
@Override
public void initView(Bundle savedInstanceState) {
setContentView(R.layout.activity_bbs);
ButterKnife.bind(this);
init();
}
@Override
public void initData() {
mWvBbs.loadUrl("https://xxx");
}
private void init() {
WebSettings webSettings = mWvBbs.getSettings();
webSettings.setUseWideViewPort(true);//设置此属性，可任意比例缩放
webSettings.setRenderPriority(WebSettings.RenderPriority.HIGH);
webSettings.setUseWideViewPort(true);
webSettings.setLoadWithOverviewMode(true);
webSettings.setJavaScriptEnabled(true);
webSettings.setAppCacheMaxSize(1024 * 1024 * 8);
String appCachePath = getApplicationContext().getCacheDir().getAbsolutePath();
webSettings.setAppCachePath(appCachePath);
webSettings.setAllowFileAccess(true);
webSettings.setSupportZoom(true);
webSettings.setJavaScriptCanOpenWindowsAutomatically(true);
webSettings.setTextSize(WebSettings.TextSize.NORMAL);
mWvBbs.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
//open dom storage
webSettings.setDomStorageEnabled(true);
//priority high
webSettings.setRenderPriority(WebSettings.RenderPriority.HIGH);
webSettings.setAppCacheEnabled(true);
webSettings.setDatabaseEnabled(true);
webSettings.setDatabasePath(BBSActivity.this.getApplicationContext().getCacheDir().getAbsolutePath());
//add by wjj end
String ua = webSettings.getUserAgentString();
mWvBbs.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();
}
});
mWvBbs.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
//该方法在Build.VERSION_CODES.LOLLIPOP以前有效，从Build.VERSION_CODES.LOLLIPOP起，建议使用shouldOverrideUrlLoading(WebView, WebResourceRequest)} instead
//返回false，意味着请求过程里，不管有多少次的跳转请求（即新的请求地址），均交给webView自己处理，这也是此方法的默认处理
//返回true，说明你自己想根据url，做新的跳转，比如在判断url符合条件的情况下，我想让webView加载http://ask.csdn.net/questions/178242
return false;
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
//返回false，意味着请求过程里，不管有多少次的跳转请求（即新的请求地址），均交给webView自己处理，这也是此方法的默认处理
//返回true，说明你自己想根据url，做新的跳转，比如在判断url符合条件的情况下，我想让webView加载https://maydaychen.github.io/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (request.getUrl().toString().contains("github.io")) {
view.loadUrl("https://maydaychen.github.io/");
return true;
}
}
return false;
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == FILECHOOSER_RESULTCODE) {
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) {
if (result != null) {
String path = getPath(getApplicationContext(), result);
Uri uri = Uri.fromFile(new File(path));
mUploadMessage.onReceiveValue(uri);
} else {
mUploadMessage.onReceiveValue(imageUri);
}
mUploadMessage = null;
}
}
}
@SuppressWarnings("null")
@TargetApi(Build.VERSION_CODES.BASE)
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() {
File imageStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "MyApp");
// Create the storage directory if it does not exist
if (!imageStorageDir.exists()) {
imageStorageDir.mkdirs();
}
File file = new File(imageStorageDir + File.separator + "IMG_" + String.valueOf(System.currentTimeMillis()) + ".jpg");
imageUri = Uri.fromFile(file);
final List<Intent> cameraIntents = new ArrayList<Intent>();
final Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
final PackageManager packageManager = getPackageManager();
final List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0);
for (ResolveInfo res : listCam) {
final String packageName = res.activityInfo.packageName;
final Intent i = new Intent(captureIntent);
i.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
i.setPackage(packageName);
i.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
cameraIntents.add(i);
}
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("image/*");
Intent chooserIntent = Intent.createChooser(i, "Image Chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[]{}));
BBSActivity.this.startActivityForResult(chooserIntent, FILECHOOSER_RESULTCODE);
}
@SuppressLint("NewApi")
@TargetApi(Build.VERSION_CODES.KITKAT)
public static String getPath(final Context context, final Uri uri) {
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
// DocumentProvider
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
if (isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
}
// DownloadsProvider
else if (isDownloadsDocument(uri)) {
final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
return getDataColumn(context, contentUri, null, null);
}
// MediaProvider
else if (isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];
Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}
final String selection = "_id=?";
final String[] selectionArgs = new String[]{split[1]};
return getDataColumn(context, contentUri, selection, selectionArgs);
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {
return getDataColumn(context, uri, null, null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}
/**
* Get the value of the data column for this Uri. This is useful for
* MediaStore Uris, and other file-based ContentProviders.
*
* @param context The context.
* @param uri The Uri to query.
* @param selection (Optional) Filter used in the query.
* @param selectionArgs (Optional) Selection arguments used in the query.
* @return The value of the _data column, which is typically a file path.
*/
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
Cursor cursor = null;
final String column = "_data";
final String[] projection = {column};
try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {
final int column_index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(column_index);
}
} finally {
if (cursor != null) cursor.close();
}
return null;
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}
/**
* @param uri The Uri to check.
* @return Whether the Uri authority is MediaProvider.
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
}
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