package activity;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import android.os.Message;
import java.net.URL;
import java.util.List;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import htil.HttpCallbackListener;
import htil.HttpUtil;
import com.example.queryid.R;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
private EditText et_number;
private Button bt;
private String url;
private String aPIurl;
private TextView tv_sex;
private TextView tv_birthday;
private TextView tv_address;
private String sex;
private String birthday;
private String address;
private static String result;
public static final int UPDATE_TEXT = 1;
private String httpUrl = "http://apis.baidu.com/apistore/idservice/id";
private Handler handler = new Handler(){
public void handleMessage(Message msg){
if(msg.what == UPDATE_TEXT){
tv_sex.setText(sex);
tv_birthday.setText(sex);
tv_address.setText(sex);
}
System.out.println("++++++++++++++++++执行了handler++++++++++++++++");
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.queryid);
et_number = (EditText) findViewById(R.id.et_number);
url = aPIurl + (et_number.getText().toString().trim());
tv_sex = (TextView) findViewById(R.id.tv_sex);
tv_birthday = (TextView) findViewById(R.id.tv_birthday);
tv_address = (TextView) findViewById(R.id.tv_address);
System.out.println("++++++++++++++++++执行了onCrewate++++++++++++++++");
}
public void click(View v){
try {
String httpArg = (et_number.getText().toString().trim());
//String httpArg = ("id="+(et_number.getText().toString().trim()));
String jsonResult = HttpUtil.request(httpUrl, httpArg);
System.out.println("+++++++++++++++++++++"+httpArg);
System.out.println("+++++++++++++++++++++"+jsonResult);
JSONObject json1 = new JSONObject(jsonResult);
int errNum = json1.getInt("errNum");
System.out.println(errNum);
if(errNum == 0){
JSONObject json2 = json1.getJSONObject("retData");
sex = "性别: "+json2.getString("sex");
birthday = "出生日期: "+json2.getString("birthday");
address = "籍贯: "+json2.getString("address");
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
new Thread(new Runnable() {
@Override
public void run() {
Message message = new Message();
message.what = UPDATE_TEXT;
handler.sendMessage(message);
System.out.println("++++++++++++++++++执行了click++++++++++++++++");
}
}).start();
}
}
//调用API工具类
package htil;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.os.Handler;
import android.widget.Toast;
public class HttpUtil {
/**
* @param urlAll
* :请求接口
* @param httpArg
* :参数
* @return 返回结果
*/
public static String request(String httpUrl, String httpArg) {
BufferedReader reader = null;
String result = null;
StringBuffer sbf = new StringBuffer();
httpUrl = httpUrl + "?" + httpArg;
try {
URL url = new URL(httpUrl);
HttpURLConnection connection = (HttpURLConnection) url
.openConnection();
connection.setRequestMethod("GET");
// 填入apikey到HTTP header
connection.setRequestProperty("apikey", "fa00b4e5b7dee29da1068e560f7c89a9");
connection.connect();
InputStream is = connection.getInputStream();
reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String strRead = null;
while ((strRead = reader.readLine()) != null) {
sbf.append(strRead);
sbf.append("\r\n");
}
reader.close();
result = sbf.toString();
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
}
//错误如下:
09-18 03:24:40.144: E/AndroidRuntime(9795): FATAL EXCEPTION: main
09-18 03:24:40.144: E/AndroidRuntime(9795): java.lang.IllegalStateException: Could not execute method of the activity
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.view.View$1.onClick(View.java:3633)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.view.View.performClick(View.java:4240)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.view.View$PerformClick.run(View.java:17721)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.os.Handler.handleCallback(Handler.java:730)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.os.Handler.dispatchMessage(Handler.java:92)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.os.Looper.loop(Looper.java:137)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.app.ActivityThread.main(ActivityThread.java:5103)
09-18 03:24:40.144: E/AndroidRuntime(9795): at java.lang.reflect.Method.invokeNative(Native Method)
09-18 03:24:40.144: E/AndroidRuntime(9795): at java.lang.reflect.Method.invoke(Method.java:525)
09-18 03:24:40.144: E/AndroidRuntime(9795): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
09-18 03:24:40.144: E/AndroidRuntime(9795): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-18 03:24:40.144: E/AndroidRuntime(9795): at dalvik.system.NativeStart.main(Native Method)
09-18 03:24:40.144: E/AndroidRuntime(9795): Caused by: java.lang.reflect.InvocationTargetException
09-18 03:24:40.144: E/AndroidRuntime(9795): at java.lang.reflect.Method.invokeNative(Native Method)
09-18 03:24:40.144: E/AndroidRuntime(9795): at java.lang.reflect.Method.invoke(Method.java:525)
09-18 03:24:40.144: E/AndroidRuntime(9795): at android.view.View$1.onClick(View.java:3628)
09-18 03:24:40.144: E/AndroidRuntime(9795): ... 11 more
09-18 03:24:40.144: E/AndroidRuntime(9795): Caused by: java.lang.NullPointerException
09-18 03:24:40.144: E/AndroidRuntime(9795): at org.json.JSONTokener.nextCleanInternal(JSONTokener.java:116)
09-18 03:24:40.144: E/AndroidRuntime(9795): at org.json.JSONTokener.nextValue(JSONTokener.java:94)
09-18 03:24:40.144: E/AndroidRuntime(9795): at org.json.JSONObject.(JSONObject.java:154)
09-18 03:24:40.144: E/AndroidRuntime(9795): at org.json.JSONObject.(JSONObject.java:171)
09-18 03:24:40.144: E/AndroidRuntime(9795): at activity.MainActivity.click(MainActivity.java:77)
09-18 03:24:40.144: E/AndroidRuntime(9795): ... 14 more
