Android控件：WebVIew（三）日历选择器

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Android本身就有DatePicker和TimePicker控件的代码如下

 1import java.util.Calendar; 2import org.json.JSONException; 3import org.json.JSONObject; 4import android.app.Activity; 5import android.app.DatePickerDialog; 6import android.app.DatePickerDialog.OnDateSetListener; 7import android.os.Bundle; 8import android.os.Handler; 9import android.webkit.WebView;10import android.widget.DatePicker;1112publicclass MyWebViewTestActivity extends Activity {13public WebView webView;1415// Handler handler;1617     @Override18publicvoid onCreate(Bundle savedInstanceState) {19super.onCreate(savedInstanceState);20         setContentView(R.layout.main);2122         webView = (WebView) findViewById(R.id.myWebView);28         webView.getSettings().setJavaScriptEnabled(true);29         webView.addJavascriptInterface(new ProxyBridge(), "ProxyBridge");30         webView.loadUrl("file:///android_asset/index.html");31     }3233class ProxyBridge {34         String date;35         String json_date;36         DatePickerDialog pickerDialog;37         Handler handler = new Handler();38publicvoid getDateTime() {39             handler.post(new Runnable() {40                 @Override41publicvoid run() {42final Calendar cd = Calendar.getInstance();43                     pickerDialog = new DatePickerDialog(44                             MyWebViewTestActivity.this,45new OnDateSetListener() {4647                                 @Override48publicvoid onDateSet(DatePicker view,49int year, int monthOfYear,50int dayOfMonth) {51try {52                                         date = String.valueOf(year) + "-"53                                                 + String.valueOf(monthOfYear)54                                                 + "-"55                                                 + String.valueOf(dayOfMonth);56                                         JSONObject map = new JSONObject();57                                         map.put("date", date);58// json_date = "[{\"time\":\"2012-02-18\"}]";59                                         json_date = map.toString();60                                     } catch (JSONException e) {61                                         e.printStackTrace();62                                     }63                                     webView.loadUrl("javascript:setDateTime("64                                             + json_date + ")");65                                 }66                             }, cd.get(Calendar.YEAR), cd.get(Calendar.MONTH),67                             cd.get(Calendar.DAY_OF_MONTH));68                     pickerDialog.show();69                 }70             });71         };73     }74 }