实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
package com.codemany.chinesecard;
import java.util.GregorianCalendar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.KeyboardView;
import android.inputmethodservice.KeyboardView.OnKeyboardActionListener;
import android.net.Uri;
import android.os.Bundle;
import android.text.Editable;
import android.text.InputType;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class QueryActivity extends Activity {
private static final String TAG = QueryActivity.class.getName();
// wi = 2(n-1)(mod 11)
private final int[] wi = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1};
// check code
private final int[] vi = {1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2};
private KeyboardView kbdView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tab_query);
kbdView = (KeyboardView)findViewById(R.id.kbd_view);
kbdView.setKeyboard(new Keyboard(this, R.xml.qwerty));
kbdView.setEnabled(true);
kbdView.setPreviewEnabled(true);
kbdView.setOnKeyboardActionListener(new OnKeyboardActionListener() {
@Override
public void onKey(int primaryCode, int[] keyCodes) {
Log.d(TAG, "onKey? primaryCode=" primaryCode);
int n1 = 0; // -1 count
for (int keyCode : keyCodes) {
if (keyCode == -1) {
n1 ;
continue;
}
Log.d(TAG, "keyCode=" keyCode);
}
Log.d(TAG, "keyCode=-1 *" n1);
EditText edit = (EditText)findViewById(R.id.edt_id_number);
Editable editable = edit.getText();
int start = edit.getSelectionStart();
if (primaryCode == Keyboard.KEYCODE_CANCEL) {
hideKeyboard();
} else if (primaryCode == Keyboard.KEYCODE_DELETE) {
if (editable != null && editable.length() > 0) {
editable.delete(start - 1, start);
}
} else if (primaryCode == 57419) { // go left
if (start > 0) {
edit.setSelection(start - 1);
}
} else if (primaryCode == 57421) { // go right
if (start < edit.length()) {
edit.setSelection(start 1);
}
} else {
editable.insert(start, Character.toString((char)primaryCode));
}
}
@Override
public void onPress(int primaryCode) {
Log.d(TAG, "onPress? primaryCode=" primaryCode);
}
@Override
public void onRelease(int primaryCode) {
Log.d(TAG, "onRelease? primaryCode=" primaryCode);
}
@Override
public void onText(CharSequence text) {
Log.d(TAG, "onText? \"" text "\"");
}
@Override
public void swipeDown() {
Log.d(TAG, "swipeDown");
}
@Override
public void swipeLeft() {
Log.d(TAG, "swipeLeft");
}
@Override
public void swipeRight() {
Log.d(TAG, "swipeRight");
}
@Override
public void swipeUp() {
Log.d(TAG, "swipeUp");
}
});
EditText edtIdNumber = (EditText)findViewById(R.id.edt_id_number);
edtIdNumber.setInputType(InputType.TYPE_NULL);
edtIdNumber.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
showKeyboard();
}
});
Button btnQuery = (Button)findViewById(R.id.btn_query);
btnQuery.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
clearResultText();
String number = getIdNumber();
if (number.length() != 15 && number.length() != 18) {
showErrorMessage(R.string.error_must_be_fifteen_or_eighteen);
return;
}
if (number.length() == 15) {
number = upgradeIdNumber(number);
}
StringBuilder sb = new StringBuilder();
sb.append(getString(R.string.result_query_prompt));
sb.append("\n").append(getString(R.string.result_identity_number)).append(number);
sb.append("\n").append(getString(R.string.address)).append(getAddress(number));
sb.append("\n").append(getString(R.string.birth)).append(getBirth(number));
sb.append("\n").append(getString(R.string.age)).append(getAge(number));
sb.append("\n").append(getString(R.string.gender)).append(getGender(number));
showResult(sb.toString());
}
});
Button btnVerify = (Button)findViewById(R.id.btn_verify);
btnVerify.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
clearResultText();
String number = getIdNumber();
if (number.length() != 18) {
showErrorMessage(R.string.error_must_be_eighteen);
return;
}
String checkCode = getCheckCode(number.substring(0, 17));
if (checkCode.equalsIgnoreCase(number.substring(17, 18))) {
showResult(getString(R.string.result_verify_success));
} else {
showResult(getString(R.string.result_verify_failure) checkCode);
}
}
});
Button btnUpgrade = (Button)findViewById(R.id.btn_upgrade);
btnUpgrade.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
clearResultText();
String number = getIdNumber();
if (number.length() != 15) {
showErrorMessage(R.string.error_must_be_fifteen);
return;
}
number = upgradeIdNumber(number);
showResult(getString(R.string.result_upgrade_prefix) number);
}
});
Button btnClear = (Button)findViewById(R.id.btn_clear);
btnClear.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
clearResultText();
EditText edit = (EditText)findViewById(R.id.edt_id_number);
edit.setText("");
}
});
}
private void hideKeyboard() {
int visibility = kbdView.getVisibility();
if (visibility == View.VISIBLE) {
kbdView.setVisibility(View.INVISIBLE);
}
}
private void showKeyboard() {
int visibility = kbdView.getVisibility();
if (visibility == View.GONE || visibility == View.INVISIBLE) {
kbdView.setVisibility(View.VISIBLE);
}
}
private void clearResultText() {
TextView resultEdit = (TextView)findViewById(R.id.tv_result);
resultEdit.setText("");
}
private String upgradeIdNumber(String number) {
StringBuilder sb = new StringBuilder();
sb.append(number.substring(0, 6));
sb.append("19");
sb.append(number.substring(6, 15));
sb.append(getCheckCode(sb.toString()));
return sb.toString();
}
private String getCheckCode(String number) {
int remaining = 0;
if (number.length() == 18) {
return number.substring(17, 18);
}
int sum = 0;
int ai = 0;
for (int i = 0; i < 17; i ) {
String k = number.substring(i, i 1);
ai = Integer.parseInt(k);
sum = wi[i] * ai;
}
remaining = sum % 11;
return remaining == 2 ? "X" : String.valueOf(vi[remaining]);
}
private String getIdNumber() {
EditText edit = (EditText)findViewById(R.id.edt_id_number);
return edit.getText().toString().trim();
}
private void showResult(String message) {
TextView tv = (TextView)findViewById(R.id.tv_result);
tv.setText(message);
}
private void showErrorMessage(int resId) {
Toast.makeText(this, resId, Toast.LENGTH_LONG).show();
}
private String getGender(String number) {
String gender = number.substring(14, 17);
return Integer.parseInt(gender) % 2 == 0
? getString(R.string.female) : getString(R.string.male);
}
private int getAge(String number) {
String birth = number.substring(6, 10);
int start = Integer.parseInt(birth);
GregorianCalendar calendar = new GregorianCalendar();
int end = calendar.get(java.util.Calendar.YEAR);
return end - start;
}
private String getBirth(String number) {
String birth = number.substring(6, 14);
String year = birth.substring(0, 4);
String month = birth.substring(4, 6);
String day = birth.substring(6, 8);
return year getString(R.string.year)
month getString(R.string.month)
day getString(R.string.day);
}
private String getAddress(String number) {
StringBuilder sb = new StringBuilder();
DBHelper helper = DBHelper.getInstance(this);
sb.append(helper.getAddress(this, number.substring(0, 6)));
helper.close();
return sb.toString();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the currently selected menu XML resource.
getMenuInflater().inflate(R.menu.options, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.feedback:
sendFeedback("dohkoos@gmail.com", getString(R.string.feedback_title));
break;
case R.id.share:
shareApp(getString(R.string.share_send_title),
getString(R.string.share_send_message),
getPackageName());
break;
case R.id.about:
showAbout();
break;
default:
return super.onOptionsItemSelected(item);
}
return true;
}
private void shareApp(CharSequence subject, CharSequence content, String packageName) {
Intent intent = new Intent("android.intent.action.SEND");
intent.putExtra("android.intent.extra.SUBJECT", subject);
intent.putExtra("android.intent.extra.TEXT",
content "http://market.android.com/search?q=pname:" packageName);
intent.setType("text/plain");
startActivity(intent);
}
private void sendFeedback(String email, String subject) {
Uri uri = Uri.parse("mailto:" email);
Intent intent = new Intent("android.intent.action.SENDTO", uri);
intent.putExtra("android.intent.extra.SUBJECT", subject);
startActivity(intent);
}
private void showAbout() {
AlertDialog.Builder aboutBuilder = new AlertDialog.Builder(this);
aboutBuilder.setTitle(getResources().getText(R.string.about_title));
aboutBuilder.setMessage(getResources().getString(R.string.about_message, getVersionName()));
aboutBuilder.show();
}
private String getVersionName() {
String versionName;
try {
versionName = getPackageManager().getPackageInfo(getPackageName(), 0).versionName;
} catch (NameNotFoundException e) {
versionName = "";
}
return versionName;
}
}
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