public class MainActivity extends ActionBarActivity {
private final String SERVER_ADDRESS = "http://10.185.14.120/sagopalgo"; //서버 주소(php파일이 저장되어있는 경로까지)
EditText edtname;
Button btnbuy19;
Button btnsell19;
Button btnbuy20;
Button btnsell20;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edtname = (EditText )findViewById(R.id.editText1);
btnbuy19 = (Button )findViewById(R.id.btn1);
btnsell19 = (Button )findViewById(R.id.btn2);
btnbuy20 = (Button )findViewById(R.id.btn3);
btnsell20 = (Button )findViewById(R.id.btn4);
btnsell19.setOnClickListener(new View.OnClickListener() { //입력 버튼을 눌렀을 때1
public void onClick(View v) {
// TODO Auto-generated method stub
if( edtname.getText().toString().equals("") ) { //이름이 입력 안돼있을때
Toast.makeText(MainActivity.this,
"이름을 입력하세요", Toast.LENGTH_SHORT).show();
return;
}
runOnUiThread(new Runnable() {
public void run() {
// TODO Auto-generated method stub
String name = edtname.getText().toString();
String phone = getPhoneNumber();
try {
URL url = new URL(SERVER_ADDRESS + "/insert.php?" //테이블에 따라 php파일 다름
+ "name=" + URLEncoder.encode(name, "UTF-8")
+ "&phone=" + URLEncoder.encode(phone, "UTF-8")); //변수값을 UTF-8로 인코딩하기 위해 URLEncoder를 이용하여 인코딩함
url.openStream(); //서버의 DB에 입력하기 위해 웹서버의 insert.php파일에 입력된 이름과 번호를 넘김
String result = getXmlData("insertseller.xml", "result"); //입력 성공여부
if(result.equals("1")) { //result 태그값이 1일때 성공
Toast.makeText(MainActivity.this,
"DB insert 성공", Toast.LENGTH_SHORT).show();
edtname.setText("");
}
else //result 태그값이 1이 아닐때 실패
Toast.makeText(MainActivity.this,
"DB insert 실패", Toast.LENGTH_SHORT).show();
} catch(Exception e) {
String err = (e.getMessage()==null)?"openStream failed":e.getMessage();
Log.e("err:",err);
}
}
});
}
});
btnsell20.setOnClickListener(new View.OnClickListener() { //입력 버튼을 눌렀을 때2
public void onClick(View v) {
// TODO Auto-generated method stub
if( edtname.getText().toString().equals("") ) { //이름이 입력 안돼있을때
Toast.makeText(MainActivity.this,
"이름을 입력하세요", Toast.LENGTH_SHORT).show();
return;
}
runOnUiThread(new Runnable() {
public void run() {
// TODO Auto-generated method stub
String name = edtname.getText().toString();
String phone = getPhoneNumber();
try {
URL url = new URL(SERVER_ADDRESS + "/insert20.php?" //테이블에 따라 php파일 다름
+ "name=" + URLEncoder.encode(name, "UTF-8")
+ "&phone=" + URLEncoder.encode(phone, "UTF-8")); //변수값을 UTF-8로 인코딩하기 위해 URLEncoder를 이용하여 인코딩함
url.openStream(); //서버의 DB에 입력하기 위해 웹서버의 insert.php파일에 입력된 이름과 번호를 넘김
String result = getXmlData("insertseller20.xml", "result"); //입력 성공여부
if(result.equals("1")) { //result 태그값이 1일때 성공
Toast.makeText(MainActivity.this,
"DB insert 성공", Toast.LENGTH_SHORT).show();
edtname.setText("");
}
else //result 태그값이 1이 아닐때 실패
Toast.makeText(MainActivity.this,
"DB insert 실패", Toast.LENGTH_SHORT).show();
} catch(Exception e) {
Log.e("Error", e.getMessage());
}
}
});
}
});
btnbuy19.setOnClickListener(new View.OnClickListener() { //입력 버튼을 눌렀을 때3
public void onClick(View v) {
// TODO Auto-generated method stub
if( edtname.getText().toString().equals("") ) { //이름이 입력 안돼있을때
Toast.makeText(MainActivity.this,
"이름을 입력하세요", Toast.LENGTH_SHORT).show();
return;
}
runOnUiThread(new Runnable() {
public void run() {
// TODO Auto-generated method stub
String name = edtname.getText().toString();
String phone = getPhoneNumber();
String time= "19";
try {
URL url = new URL(SERVER_ADDRESS + "/delete.php?"
+ "name=" + URLEncoder.encode(name, "UTF-8")
+ "&phone=" + URLEncoder.encode(phone, "UTF-8")
+ "&time=" + URLEncoder.encode(time, "UTF-8"));
url.openStream(); //서버의 DB에 입력하기 위해 웹서버의 insert.php파일에 입력된 이름과 번호를 넘김
String result = getXmlData("deleteseller.xml", "result"); //입력 성공여부
String seller = getXmlData("deleteseller.xml", "qrydata"); //누구의 것을 구매했는지
if(result.equals("1")) { //result 태그값이 1일때 성공
Toast.makeText(MainActivity.this,
"("+seller+")으로부터 구매성공", Toast.LENGTH_SHORT).show();
edtname.setText("");
}
else //result 태그값이 1이 아닐때 실패
Toast.makeText(MainActivity.this,
"쿼리 실패", Toast.LENGTH_SHORT).show();
} catch(Exception e) {
Log.e("Error", e.getMessage());
}
}
});
}
});
btnbuy20.setOnClickListener(new View.OnClickListener() { //입력 버튼을 눌렀을 때4
public void onClick(View v) {
// TODO Auto-generated method stub
if( edtname.getText().toString().equals("") ) { //이름이 입력 안돼있을때
Toast.makeText(MainActivity.this,
"이름을 입력하세요", Toast.LENGTH_SHORT).show();
return;
}
runOnUiThread(new Runnable() {
public void run() {
// TODO Auto-generated method stub
String name = edtname.getText().toString();
String phone = getPhoneNumber();
String time= "20";
try {
URL url = new URL(SERVER_ADDRESS + "/delete20.php?"
+ "name=" + URLEncoder.encode(name, "UTF-8")
+ "&phone=" + URLEncoder.encode(phone, "UTF-8")
+ "&time=" + URLEncoder.encode(time, "UTF-8"));
url.openStream(); //서버의 DB에 입력하기 위해 웹서버의 insert.php파일에 입력된 이름과 번호를 넘김
String result = getXmlData("deleteseller20.xml", "result"); //입력 성공여부
String seller = getXmlData("deleteseller20.xml", "qrydata"); //누구의 것을 구매했는지
if(result.equals("1")) { //result 태그값이 1일때 성공
Toast.makeText(MainActivity.this,
"("+seller+")으로부터 구매성공", Toast.LENGTH_SHORT).show();
edtname.setText("");
}
else //result 태그값이 1이 아닐때 실패
Toast.makeText(MainActivity.this,
"쿼리 실패", Toast.LENGTH_SHORT).show();
} catch(Exception e) {
Log.e("Error", e.getMessage());
}
}
});
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
private String getXmlData(String filename, String str) { //태그값 하나를 받아오기위한 String형 함수
String rss = SERVER_ADDRESS + "/";
String ret = "";
try { //XML 파싱을 위한 과정
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
factory.setNamespaceAware(true);
XmlPullParser xpp = factory.newPullParser();
URL server = new URL(rss + filename);
InputStream is = server.openStream();
xpp.setInput(is, "UTF-8");
int eventType = xpp.getEventType();
while(eventType != XmlPullParser.END_DOCUMENT) {
if(eventType == XmlPullParser.START_TAG) {
if(xpp.getName().equals(str)) { //태그 이름이 str 인자값과 같은 경우
ret = xpp.nextText();
}
}
eventType = xpp.next();
}
} catch(Exception e) {
Log.e("Error", e.getMessage());
}
return ret;
}
public String getPhoneNumber() //핸드폰번호 얻기
{
TelephonyManager mgr = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
return mgr.getLine1Number();
}
}
hello
openStream get nullPointerException in runOnUiThread. i can't find solution.
11-18 16:20:02.694: E/AndroidRuntime(700): FATAL EXCEPTION: main 11-18 16:20:02.694: E/AndroidRuntime(700): java.lang.NullPointerException: println needs a message 11-18 16:20:02.694: E/AndroidRuntime(700): at android.util.Log.println_native(Native Method) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.util.Log.e(Log.java:231) 11-18 16:20:02.694: E/AndroidRuntime(700): at com.example.buyandsell.MainActivity$1$1.run(MainActivity.java:77) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.app.Activity.runOnUiThread(Activity.java:4591) 11-18 16:20:02.694: E/AndroidRuntime(700): at com.example.buyandsell.MainActivity$1.onClick(MainActivity.java:53) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.view.View.performClick(View.java:4084) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.view.View$PerformClick.run(View.java:16966) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.os.Handler.handleCallback(Handler.java:615) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.os.Handler.dispatchMessage(Handler.java:92) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.os.Looper.loop(Looper.java:137) 11-18 16:20:02.694: E/AndroidRuntime(700): at android.app.ActivityThread.main(ActivityThread.java:4745) 11-18 16:20:02.694: E/AndroidRuntime(700): at java.lang.reflect.Method.invokeNative(Native Method) 11-18 16:20:02.694: E/AndroidRuntime(700): at java.lang.reflect.Method.invoke(Method.java:511) 11-18 16:20:02.694: E/AndroidRuntime(700): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 11-18 16:20:02.694: E/AndroidRuntime(700): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 11-18 16:20:02.694: E/AndroidRuntime(700): at dalvik.system.NativeStart.main(Native Method)
