package org.orange.familylink;
import org.orange.familylink.data.UrgentMessageBody;
import org.orange.familylink.database.Contract;
import org.orange.familylink.util.ConvertUtil;
import org.orange.familylink.util.Network;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.SpannableString;
import android.text.method.LinkMovementMethod;
import android.text.style.URLSpan;
import android.widget.TextView;
import com.amap.api.maps.AMap;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.MapView;
import com.amap.api.maps.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;
import com.google.gson.Gson;
public class MapActivity extends BaseActivity {
/**
* 警告消息的ID
* <p>
* Type: long
*/
public static final String EXTRA_ID = MapActivity.class.getName()
+ ".extra.ID";
private MessageWrapper responseMessage;
private AsyncPositionTranslator mAsyncPositionTranslator;
// 用于UI状态控制
private TextView mTextViewAlarmNotification;
private TextView mTextViewPosition;
// 高德地图对象的操作方法与接口
private AMap aMap;
// 地图的容器
private MapView mapView;
private void setUrgentMessage(MessageWrapper message) {
responseMessage = message;
if (message == null)
return;
// 设置 通告内容的内容
Integer notificationResId = null;
if (message.body.getType() == UrgentMessageBody.Type.SEEK_HELP) {
getActionBar().setTitle(R.string.seek_help_alarm);
findViewById(R.id.main_container).setBackgroundColor(
getResources().getColor(R.color.urgent));
notificationResId = R.string.seek_help_alarm_notification;
} else if (message.body.getType() == UrgentMessageBody.Type.FALL_DOWN_ALARM) {
getActionBar().setTitle(R.string.fall_down_alarm);
findViewById(R.id.main_container).setBackgroundColor(
getResources().getColor(R.color.command));
notificationResId = R.string.fall_down_alarm_notification;
}
if (message.contact_name != null) {
mTextViewAlarmNotification.setText(getString(notificationResId,
message.contact_name));
} else {
mTextViewAlarmNotification.setText(getString(notificationResId,
message.address));
}
// 显示 发送方当前位置
if (message.body.containsPosition()) {
String location = message.body.getPositionLatitude() + ","
+ message.body.getPositionLongitude();
setPosition(location);
// 异步把location翻译为人类可读的地点
if (mAsyncPositionTranslator != null)
mAsyncPositionTranslator.cancel(true);
mAsyncPositionTranslator = new AsyncPositionTranslator();
mAsyncPositionTranslator.execute((Void) null);
} else {
mTextViewPosition.setText(R.string.unknown);
}
}
private void setPosition(String text) {
if (text != null) {
if (responseMessage.body.containsPosition()) {
// 设置在地图上显示的超链接
SpannableString ss = new SpannableString(text);
URLSpan span = new URLSpan("geo:"
+ responseMessage.body.getPositionLatitude() + ","
+ responseMessage.body.getPositionLongitude());
ss.setSpan(span, 0, ss.length(),
SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
mTextViewPosition.setText(ss);
mTextViewPosition.setMovementMethod(LinkMovementMethod
.getInstance());
} else
// !mUrgentMessage.body.containsPosition()
mTextViewPosition.setText(text);
} else
// text == null
mTextViewPosition.setText(R.string.unknown);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm);
mTextViewAlarmNotification = (TextView) findViewById(R.id.alarm_notification);
mTextViewPosition = (TextView) findViewById(R.id.position);
mapView = (MapView) findViewById(R.id.map);
mapView.onCreate(savedInstanceState);// 必须要写
init();
Bundle extras = getIntent().getExtras();
if (extras == null || !extras.containsKey(EXTRA_ID))
throw new IllegalStateException(
"You must put extra: EXTRA_ID(fell down alarm message's ID)");
long messageId = extras.getLong(EXTRA_ID);
new ShowUrgentMessage().execute(messageId);
}
/**
* 初始化AMap对象
*/
private void init() {
if (aMap == null) {
aMap = mapView.getMap();
}
}
/**
* 绘制系统默认的1种marker背景图片
*/
public void drawMarkers() {
Marker marker = aMap.addMarker(new MarkerOptions()
.position(
new LatLng(responseMessage.body.getPositionLatitude(),
responseMessage.body.getPositionLongitude()))
.title("好好学习")
.icon(BitmapDescriptorFactory
.defaultMarker(BitmapDescriptorFactory.HUE_AZURE))
.perspective(true).draggable(true));
marker.setRotateAngle(0);// 设置marker旋转90度
marker.showInfoWindow();// 设置默认显示一个infowinfow
aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(
new LatLng(responseMessage.body.getPositionLatitude(),
responseMessage.body.getPositionLongitude()), 15));
}
@Override
protected void onDestroy() {
super.onDestroy();
mapView.onDestroy();
}
/**
* 方法必须重写
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
/**
* 方法必须重写
*/
@Override
protected void onPause() {
super.onPause();
mapView.onPause();
}
/**
* 方法必须重写
*/
@Override
protected void onResume() {
super.onResume();
mapView.onResume();
}
private static class MessageWrapper {
public String contact_name;
public String address;
public UrgentMessageBody body;
}
private class ShowUrgentMessage extends
AsyncTask<Long, Void, MessageWrapper> {
private final String[] PROJECTION_MESSAGE = {
Contract.Messages.COLUMN_NAME_ADDRESS,
Contract.Messages.COLUMN_NAME_BODY,
Contract.Messages.COLUMN_NAME_CONTACT_ID };
private final String[] PROJECTION_CONTACT = { Contract.Contacts.COLUMN_NAME_NAME };
@Override
protected MessageWrapper doInBackground(Long... params) {
ContentResolver contentResolver = getContentResolver();
long messageId = params[0];
MessageWrapper result = new MessageWrapper();
Uri uri = ContentUris.withAppendedId(
Contract.Messages.MESSAGES_ID_URI, messageId);
Cursor cursor = contentResolver.query(uri, PROJECTION_MESSAGE,
null, null, null);
if (!cursor.moveToFirst()) // if the cursor is empty
return null;
long contactId = cursor.getLong(cursor
.getColumnIndex(Contract.Messages.COLUMN_NAME_CONTACT_ID));
result.address = cursor.getString(cursor
.getColumnIndex(Contract.Messages.COLUMN_NAME_ADDRESS));
String body = cursor.getString(cursor
.getColumnIndex(Contract.Messages.COLUMN_NAME_BODY));
result.body = new Gson().fromJson(body, UrgentMessageBody.class);
cursor.close();
uri = ContentUris.withAppendedId(Contract.Contacts.CONTACTS_ID_URI,
contactId);
cursor = contentResolver.query(uri, PROJECTION_CONTACT, null, null,
null);
if (cursor.moveToFirst()) {
result.contact_name = cursor.getString(cursor
.getColumnIndex(Contract.Contacts.COLUMN_NAME_NAME));
}
cursor.close();
return result;
}
@Override
protected void onPostExecute(MessageWrapper result) {
if (result != null) {
setUrgentMessage(result);
drawMarkers();
}
}
}
private class AsyncPositionTranslator extends AsyncTask<Void, Void, String> {
@Override
protected String doInBackground(Void... params) {
String resultAddress = null;
if (!responseMessage.body.containsPosition())
return null;
final double latitude = responseMessage.body.getPositionLatitude();
final double longitude = responseMessage.body.getPositionLongitude();
if (!Network.isConnected(MapActivity.this))
return null;
resultAddress = ConvertUtil.getAddress(longitude, latitude);
if (resultAddress != null) {
if (resultAddress.isEmpty())
resultAddress = null;
else
resultAddress += "(" + latitude + "," + longitude + ")";
}
return resultAddress;
}
@Override
protected void onPostExecute(String result) {
if (result != null)
setPosition(result);
if (mAsyncPositionTranslator == this)
mAsyncPositionTranslator = null;
}
}
}