js与android webview交互

webview.addJavascriptInterface(new JsInteration(), "control");

id_webview.setWebChromeClient(new WebChromeClient() {

			// For Android 3.0+
			public void openFileChooser(ValueCallback<Uri> uploadMsg,
					String acceptType) {
				mUploadMessage = uploadMsg;
				Intent i = new Intent(Intent.ACTION_GET_CONTENT);
				i.addCategory(Intent.CATEGORY_OPENABLE);
				i.setType("image/*");
				XQSInspectionActivity.this.startActivityForResult(
						Intent.createChooser(i, "ÎļþÑ¡Ôñ"),
						XQSInspectionActivity.FILECHOOSER_RESULTCODE);
			}

			// For Android < 3.0
			@SuppressWarnings("unused")
			public void openFileChooser(ValueCallback<Uri> uploadMsg) {
				openFileChooser(uploadMsg, "");
			}

			// For Android > 4.1
			@SuppressWarnings("unused")
			public void openFileChooser(ValueCallback<Uri> uploadMsg,
					String acceptType, String capture) {
				openFileChooser(uploadMsg, "");
			}
		});