Android WebView中调用相机拍照、相册、录制视频

package cn.yongxing.webviewwithcamera; import android.annotation.TargetApi; import android.app.Activity; import android.app.AlertDialog; import android.content.ClipData; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Message; import android.text.TextUtils; import android.util.Log; import android.view.KeyEvent; import android.webkit.GeolocationPermissions; import android.webkit.JsPromptResult; import android.webkit.JsResult; import android.webkit.ValueCallback; import android.webkit.WebChromeClient; import android.webkit.WebView; import android.widget.EditText; import java.io.File; import cn.fengrong.lib_activityresult.bean.Result; import cn.fengrong.lib_activityresult.listener.ActivityResultListener; import static android.app.Activity.RESULT_OK; /** * @author yongxing */ public class MyWebChromeClient extends WebChromeClient { private static final int FILE_CALL_TYPE_NORMAL = 0;//表示调用类型是：相机、相册 private static final int FILE_CALL_TYPE_CAMERA = 1;//表示调用类型是：只有相机 private static final int FILE_CALL_TYPE_VIDEO = 2;//表示调用类型是：只有录像 private Context mContext; private int callType = FILE_CALL_TYPE_NORMAL; public ValueCallback<Uri> mUploadMessage;// 表单的数据信息 public ValueCallback<Uri[]> mUploadCallbackAboveL; public Uri imageUri; public MyWebChromeClient(Context context) { this.mContext = context; } @Override public void onCloseWindow(WebView window) { super.onCloseWindow(window); } @Override public boolean onCreateWindow(WebView view, boolean dialog, boolean userGesture, Message resultMsg) { return super.onCreateWindow(view, dialog, userGesture, resultMsg); } /** * 覆盖默认的window.alert展示界面，避免title里显示为“：来自file:////” */ @Override public boolean onJsAlert(WebView view, String url, String message, final JsResult result) { final AlertDialog.Builder builder = new AlertDialog.Builder(view.getContext()); builder.setTitle("对话框") .setMessage(message) .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { result.confirm();// 因为没有绑定事件，需要强行confirm,否则页面会变黑显示不了内容。 } }); // 不需要绑定按键事件 // 屏蔽keycode等于84之类的按键 builder.setOnKeyListener(new DialogInterface.OnKeyListener() { @Override public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { Log.i("onJsAlert", "keyCode==" + keyCode + "event=" + event); return true; } }); // 禁止响应按back键的事件 builder.setCancelable(false); AlertDialog dialog = builder.create(); dialog.show(); return true; } @Override public boolean onJsBeforeUnload(WebView view, String url, String message, JsResult result) { return super.onJsBeforeUnload(view, url, message, result); } /** * 覆盖默认的window.confirm展示界面，避免title里显示为“：来自file:////” */ @Override public boolean onJsConfirm(WebView view, String url, String message, final JsResult result) { final AlertDialog.Builder builder = new AlertDialog.Builder(view.getContext()); builder.setTitle("对话框") .setMessage(message) .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { result.confirm(); } }) .setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { result.cancel(); } }); builder.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { result.cancel(); } }); // 屏蔽keycode等于84之类的按键，避免按键后导致对话框消息而页面无法再弹出对话框的问题 builder.setOnKeyListener(new DialogInterface.OnKeyListener() { @Override public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { Log.v("onJsConfirm", "keyCode==" + keyCode + "event=" + event); return true; } }); AlertDialog dialog = builder.create(); dialog.show(); return true; } /** * 覆盖默认的window.prompt展示界面，避免title里显示为“：来自file:////” * window.prompt('请输入您的域名地址', '618119.com'); */ @Override public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, final JsPromptResult result) { final AlertDialog.Builder builder = new AlertDialog.Builder(view.getContext()); builder.setTitle("对话框").setMessage(message); final EditText et = new EditText(view.getContext()); et.setSingleLine(); et.setText(defaultValue); builder.setView(et) .setPositiveButton("确定", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { result.confirm(et.getText().toString()); } }) .setNegativeButton("取消", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { result.cancel(); } }); // 屏蔽keycode等于84之类的按键，避免按键后导致对话框消息而页面无法再弹出对话框的问题 builder.setOnKeyListener(new DialogInterface.OnKeyListener() { @Override public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { Log.v("onJsPrompt", "keyCode==" + keyCode + "event=" + event); return true; } }); AlertDialog dialog = builder.create(); dialog.show(); return true; } @Override public void onReceivedIcon(WebView view, Bitmap icon) { super.onReceivedIcon(view, icon); } @Override public void onReceivedTitle(WebView view, String title) { super.onReceivedTitle(view, title); } @Override public void onRequestFocus(WebView view) { super.onRequestFocus(view); } @Override public void onGeolocationPermissionsShowPrompt(final String origin, final GeolocationPermissions.Callback callback) { AlertDialog.Builder builder = new AlertDialog.Builder(mContext); builder.setTitle("地理位置"); builder.setMessage("是否允许获取地理位置") .setCancelable(true).setPositiveButton("允许", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int id) { // origin, allow, remember