2.在你的strings.xml裡加入
3.activity_main.xml
public class MainActivity extends FragmentActivity implements OnMarkerClickListener{ //需引用OnMarkerClickListener
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
map = ((SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map)).getMap();
LatLng p1 = new LatLng(22.6297370, 120.3278820);
if (map != null) {
map.setOnMarkerClickListener(this); //點取Marker動作
// google mark
map.addMarker(new MarkerOptions()
.position(p1)
.title("多那之高雄中正門市")
.snippet("咖啡．烘培"));
}
}
/* 點選marker顯示 */
@Override
public boolean onMarkerClick(Marker marker) {
/* 此處增加點取後想要的動作*/
Toast.makeText(getApplicationContext(),"Marker Clicked: " + marker.getTitle(), Toast.LENGTH_LONG).show(); //顯示點取addMarker的標題
return false;
}
}
2.MainActivity.java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
info = (TextView) findViewById(R.id.info);
scanner = (Button) findViewById(R.id.scanner);
scanner.setOnClickListener(new Button.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent iScaner = new Intent("la.droid.qr.scan"); // 使用QRDroid的掃描功能
iScaner.putExtra("la.droid.qr.complete", true); // 完整回傳，不截掉scheme
try {
// 開啟 QRDroid App 的掃描功能，等待 call back onActivityResult()
startActivityForResult(iScaner, 0);
} catch (ActivityNotFoundException ex) {
// 若沒安裝 QRDroid，則開啟 Google Play商店，並顯示 QRDroid App
Intent intent = new Intent(Intent.ACTION_VIEW, Uri
.parse("market://details?id=la.droid.qr"));
startActivity(intent);
}
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) { //不需要建立onActivityResult
super.onActivityResult(requestCode, resultCode, data);
if (0 == requestCode && null != data && data.getExtras() != null) {
// 掃描結果存放在 key 為 la.droid.qr.result 的值中
String result = data.getExtras().getString("la.droid.qr.result");
info.setText(result); // 將結果顯示在 TextVeiw 中
}
}
3.建立QRcode的網站 http://www.quickmark.com.tw/Cht/qrcode-datamatrix-generator/default.asp?qrText
2.MainActivity.java
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addShortcut();
}
/* 建立桌面捷徑 */
private void addShortcut() {
Intent shortcutIntent = new Intent(getApplicationContext(),
MainActivity.class); // 啟動捷徑入口，一般用MainActivity，有使用其他入口則填入相對名稱，ex:有使用SplashScreen
shortcutIntent.setAction(Intent.ACTION_MAIN);
Intent addIntent = new Intent();
addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent); // shortcutIntent送入
addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME,
getString(R.string.app_name)); // 捷徑app名稱
addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE,
Intent.ShortcutIconResource.fromContext(
getApplicationContext(),// 捷徑app圖
R.drawable.ic_launcher));
addIntent.putExtra("duplicate", false); // 只創建一次
addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT"); // 安裝
getApplicationContext().sendBroadcast(addIntent); // 送出廣播
}
參考來源:import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.StrictMode;
import android.util.Log;
import android.widget.Toast;
public class MainActivity extends Activity {
/* update */
protected static final int UPDATA_CLIENT = 0;
protected static final int CHECK_UPDATE = 1;
protected static final int DOWN_ERROR = 0;
/** Called when the activity is first created. */
private int serverVersion = 1; // 現在版本
private int newServerVersion; // 最新版本
private String downLoadApkUrl = "https://dl.dropbox.com/s/vahfdayyluk151z/Android.apk"; // 放置最新檔案網址
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/* update */
/* 加入StrictMode避免發生 android.os.NetworkOnMainThreadException */
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.detectDiskReads().detectDiskWrites().detectNetwork()
.penaltyLog().build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
.detectLeakedSqlLiteObjects().detectLeakedClosableObjects()
.penaltyLog().penaltyDeath().build());
JSONArray obj = getJson("http://terryyamg.github.io/myweb/update_verson.json"); // 更新版本文件檔位置
Log.i("obj:", obj + "");
try {
for (int i = 0; i < obj.length(); i++) {
JSONObject data = obj.getJSONObject(i);
newServerVersion = Integer.parseInt(data.getString("code")); // code為名稱，抓出來newServerVersion為值
}
} catch (JSONException e) {
} catch (NullPointerException e) {
Log.i("data", "NullPointException");
}
new Thread(new Runnable() {
public void run() {
try {
Message msg = new Message();
msg.what = CHECK_UPDATE;
handler.sendMessage(msg);
} catch (NumberFormatException e) {
// TODO Auto-generated catch block
} catch (Exception e) {
// TODO Auto-generated catch block
}
}
}).start();
}
/* update */
public static JSONArray getJson(String url) {
InputStream is = null;
String result = "";
// 若線上資料為陣列，則使用JSONArray
JSONArray jsonArray = null;
// 若線上資料為單筆資料，則使用JSONObject
// JSONObject jsonObj = null;
// 透過HTTP連線取得回應
try {
HttpClient httpclient = new DefaultHttpClient(); // for port 80
HttpGet httppost = new HttpGet(url); // 要用Get，用Post會出現
// java.lang.string cannot
// be converted to jsonarray
HttpResponse response = httpclient.execute(httppost);
Log.i("response:", response + ""); // 沒有值會catch錯誤，加入前面StrictMode就可以
HttpEntity entity = response.getEntity();
Log.i("entity:", entity + "");
is = entity.getContent();
Log.i("is:", is + "");
} catch (Exception e) {
e.printStackTrace();
}
// 讀取回應
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
is, "utf8"), 9999999); // 99999為傳流大小，若資料很大，可自行調整
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
// 逐行取得資料
sb.append(line + "\n");
}
is.close();
result = sb.toString();
Log.i("result:", result + ""); // LogCat會印出json ex:[{"code":"1"}]
} catch (Exception e) {
e.printStackTrace();
}
// 轉換文字為JSONArray
try {
jsonArray = new JSONArray(result);
} catch (JSONException e) {
e.printStackTrace();
}
return jsonArray;
}
public void showUpdateDialog() {
@SuppressWarnings("unused")
AlertDialog alert = new AlertDialog.Builder(MainActivity.this)
.setTitle("更新提示").setIcon(android.R.drawable.ic_dialog_info)
.setMessage("最新優惠出來啦，快來下載更新")
.setPositiveButton("下載", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss(); // 關閉對話框
downLoadApk();
}
}).show();
}
protected void downLoadApk() {
final ProgressDialog pd; // 進度條對話框
pd = new ProgressDialog(this);
pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
pd.setMessage("正在下載更新");
pd.show();
new Thread() {
@Override
public void run() {
try {
File file = getFileFromServer(downLoadApkUrl, pd);
sleep(3000);
installApk(file);
pd.dismiss(); // 結束進度條對話框
} catch (Exception e) {
pd.dismiss();
Message msg = new Message();
msg.what = DOWN_ERROR;
handler.sendMessage(msg);
e.printStackTrace();
}
}
}.start();
}
public static File getFileFromServer(String path, ProgressDialog pd)
throws Exception {
/* 如果相等的話表示當前的SDcard掛載在手機上並且是可用的 */
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(5000);
pd.setMax(conn.getContentLength()); // 獲取副本文件大小
InputStream is = conn.getInputStream();
File file = new File(Environment.getExternalStorageDirectory(),
"update.apk");
FileOutputStream fos = new FileOutputStream(file);
BufferedInputStream bis = new BufferedInputStream(is);
byte[] buffer = new byte[1024];
int len;
int total = 0;
while ((len = bis.read(buffer)) != -1) {
fos.write(buffer, 0, len);
total += len;
pd.setProgress(total); // 獲取當前下載量
}
fos.close();
bis.close();
is.close();
return file;
} else {
return null;
}
}
/* 安裝APK */
protected void installApk(File file) {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW); // 執行動作
intent.setDataAndType(Uri.fromFile(file),
"application/vnd.android.package-archive"); // 執行的數據類型
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); //2015.05.28 update 安裝完成後啟動app
startActivity(intent);
}
Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
switch (msg.what) {
case DOWN_ERROR:
// 下載APK失敗
Toast.makeText(getApplicationContext(), "下載新版本失敗", 1).show();
break;
case CHECK_UPDATE:
// 檢查更新
if (serverVersion == 0) {
serverVersion = newServerVersion;
}
if (serverVersion != newServerVersion) {
Log.i("serverVersion:", serverVersion + ""); // 顯示現在版本
Log.i("newServerVersion:", newServerVersion + ""); // 顯示最新版本
showUpdateDialog(); // 執行更新
}
break;
}
}
};
}
2.AndroidManifest.xml3.update_verson.json
2.AndroidManifest.xml
3.MainActivity.java
private EditText lat, lon;
private CheckBox checkBox_service;
private TextView output;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lat = (EditText) findViewById(R.id.txtLat);
lon = (EditText) findViewById(R.id.txtLong);
checkBox_service = (CheckBox) findViewById(R.id.checkBox_service);
output = (TextView) findViewById(R.id.output);
if (checkBox_service.isChecked()) {
start_Click(); //啟動功能
} else {
stop_Click(); //停止功能
}
}
public void start_Click() {
float latitude = Float.parseFloat(lat.getText().toString()); //取得輸入座標
float longitude = Float.parseFloat(lon.getText().toString()); //取得輸入座標
Intent intent = new Intent(this, GPSService.class); //送至GPSService.java
intent.putExtra("LATITUDE", latitude); //發送座標至GPSService
intent.putExtra("LONGITUDE", longitude); //發送座標至GPSService
startService(intent);
output.setText("服務啟動中");
}
public void stop_Click() {
Intent intent = new Intent(this, GPSService.class);
stopService(intent);
output.setText("服務停止中");
}
4.GPSService.java
import android.app.Service;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;
public class GPSService extends Service implements LocationListener {
private LocationManager manager;
private boolean isInArea;
private double latitude, longitude;
@Override
public void onCreate() {
manager = (LocationManager) getSystemService(LOCATION_SERVICE);
manager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 1,
this);
manager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 1,
this);
isInArea = false; //是否在範圍內
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
try {
latitude = (double) intent.getFloatExtra("LATITUDE1", 22.6297370f); //取得座標
longitude = (double) intent.getFloatExtra("LONGITUDE1", 120.3278820f); //取得座標
} catch (NullPointerException e) {
Log.i("GPSService","NullPointException");
}
Log.d("GPSService", "lat/long: " + latitude + ": " + longitude);
return START_STICKY;
}
@Override
public void onDestroy() {
manager.removeUpdates(this); //移除定位服務更新
}
@Override
public void onLocationChanged(Location current) {
// TODO Auto-generated method stub
if (current == null)
return;
Location dest = new Location(current); //取得現在位置
dest.setLatitude(latitude); //取得現在位置座標
dest.setLongitude(longitude); //取得現在位置座標
float distance = current.distanceTo(dest); //計算目標位置與現在位置距離
if (distance < 1000.0) { //當目標小於1公里時
if (isInArea == false) { //在區域內
Intent intent = new Intent("android.broadcast.LOCATION"); //啟動廣播服務
sendBroadcast(intent); //發送廣播
isInArea = true; //是否在區域內:true
}
} else {
isInArea = false; //是否在區域內:false
}
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}
5.GPSReceiver.java
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Vibrator;
public class GPSReceiver extends BroadcastReceiver {
static int id = 70000;
@SuppressWarnings("deprecation")
@Override
public void onReceive(Context context, Intent intent) {
//Notification
NotificationManager notificationManager = (NotificationManager) context
.getSystemService(android.content.Context.NOTIFICATION_SERVICE);
Notification notification = new Notification(R.drawable.ic_launcher,
"您已經接近目標", System.currentTimeMillis()); //跳出Notification訊息
Intent newintent = new Intent(context, MainActivity.class);
PendingIntent contentIntent = PendingIntent.getActivity(context, 0,
newintent, 0);
notification.setLatestEventInfo(context, "再接近就要被拍了!!", null, contentIntent);
notificationManager.notify(id++, notification);
//手機震動
Vibrator vibrator = (Vibrator) context
.getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(500); // 半秒
}
}
參考來源:
2.activity_splash.xml3.SplashScreen.java
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
public class SplashScreen extends Activity {
// Splash screen timer
private static int SPLASH_TIME_OUT = 3000; //開啟畫面時間(3秒)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_splash);
new Handler().postDelayed(new Runnable() {
/*
* Showing splash screen with a timer. This will be useful when you
* want to show case your app logo / company
*/
@Override
public void run() {
// This method will be executed once the timer is over
// Start your app main activity
Intent i = new Intent(SplashScreen.this, MainActivity.class); //MainActivity為主要檔案名稱
startActivity(i);
// close this activity
finish();
}
}, SPLASH_TIME_OUT);
}
}
參考來源:http://www.androidhive.info/2013/07/how-to-implement-android-splash-screen-2/
2.MainActivity.java
private CheckBox checkBox1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
output = (TextView) findViewById(R.id.output);
checkBox1 = (CheckBox) findViewById(R.id.checkBox1);
checkBox1.setChecked(getFromSP("cb1")); // checkBox讀取設定
checkBox_service.setOnCheckedChangeListener(new CheckBox.OnCheckedChangeListener() { //監聽checkBox改變狀態
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if (checkBox1.isChecked()) { //如果有打勾(true)
saveInSp("cb1", isChecked); // 儲存打勾設定
output.setText("啟動");
} else { //如果沒打勾(false)
saveInSp("cb1", isChecked);// 儲存沒打勾設定
output.setText("關閉");
}
}
});
}
/* 讀取設定 */
private boolean getFromSP(String key) {
SharedPreferences preferences = getApplicationContext()
.getSharedPreferences("PROJECT_NAME",
android.content.Context.MODE_PRIVATE); //PROJECT_NAME專案名,android.content.Context.MODE_PRIVATE默認設定
return preferences.getBoolean(key, false); //沒有key值時，回傳false
}
/* 儲存設定 */
private void saveInSp(String key, boolean value) {
SharedPreferences preferences = getApplicationContext()
.getSharedPreferences("PROJECT_NAME",
android.content.Context.MODE_PRIVATE); //PROJECT_NAME專案名,android.content.Context.MODE_PRIVATE默認設定
SharedPreferences.Editor editor = preferences.edit(); //建立SharedPreferences編輯器
editor.putBoolean(key, value); //利用編輯器加入屬性putBoolean(String key, boolean value),putFloat(String key, float value),putInt(String key, int value),putLong(String key, long value),putString(String key, String value)
editor.commit(); //將數據儲存
}
