更新打开地图回到当前保存点

gallonyin · Jun 25, 2018 · 1b9e6b2 · 1b9e6b2
1 parent 03d2fc7
commit 1b9e6b2
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Showing 3 changed files with 54 additions and 17 deletions.
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -4,15 +4,15 @@
 
     <!--腾讯地图 SDK 要求的权限(开始)-->
     <!--访问网络获取地图服务-->
-    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.INTERNET" />
     <!--检查网络可用性-->
-    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <!-- 访问WiFi状态 -->
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <!--需要外部存储写权限用于保存地图缓存-->
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <!--获取 device id 辨别设备-->
-    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <!--腾讯地图 SDK 要求的权限(结束)-->
 
     <application
@@ -25,7 +25,7 @@
         <!-- 腾讯地图(可自行去腾讯开放平台申请key后替换) -->
         <meta-data
             android:name="TencentMapSDK"
-            android:value="YWHBZ-AH7K6-O3MSV-MI7DO-A3SKK-NGBBE"/>
+            android:value="YWHBZ-AH7K6-O3MSV-MI7DO-A3SKK-NGBBE" />
 
         <!-- 是否是xposed模块，xposed根据这个来判断是否是模块 -->
         <meta-data
@@ -50,6 +50,8 @@
             </intent-filter>
         </activity>
         <activity android:name=".TencentMapActivity" />
+
+        <service android:name=".MainActivity$LongRunningService" />
     </application>
 
 </manifest>
diff --git a/app/src/main/java/org/gallonyin/weworkhk/MainActivity.java b/app/src/main/java/org/gallonyin/weworkhk/MainActivity.java
@@ -1,9 +1,14 @@
 package org.gallonyin.weworkhk;
 
+import android.app.AlarmManager;
+import android.app.PendingIntent;
+import android.app.Service;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.os.IBinder;
+import android.support.annotation.Nullable;
 import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.widget.CheckBox;
@@ -53,7 +58,7 @@ public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
         findViewById(R.id.bt_gps).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                TencentMapActivity.enterActivity(MainActivity.this, "http://lbs.qq.com/tool/getpoint/index.html");
+                TencentMapActivity.enterActivity(MainActivity.this);
             }
         });
         findViewById(R.id.bt_save).setOnClickListener(new View.OnClickListener() {
@@ -69,7 +74,35 @@ public void onClick(View v) {
                 intent.putExtra("data", la + "#" + lo);
                 sendBroadcast(intent);
                 Toast.makeText(MainActivity.this, "保存修改成功", Toast.LENGTH_LONG).show();
+                sp.edit().putFloat("la", Float.parseFloat(la))
+                        .putFloat("lo", Float.parseFloat(lo))
+                        .apply();
             }
         });
+
+        startService(new Intent(this, LongRunningService.class));
+    }
+
+    public static class LongRunningService extends Service {
+
+        @Nullable
+        @Override
+        public IBinder onBind(Intent intent) {
+            return null;
+        }
+
+        @Override
+        public int onStartCommand(final Intent intent, int flags, int startId) {
+            new Thread() {
+                @Override
+                public void run() {
+                }
+            }.start();
+            AlarmManager manager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
+            long triggerAtTime = System.currentTimeMillis() + 60 * 60 * 1000;
+            Intent i = new Intent(this, LongRunningService.class);
+            manager.set(AlarmManager.RTC_WAKEUP, triggerAtTime, PendingIntent.getService(this, 0, i, 0));
+            return super.onStartCommand(intent, flags, startId);
+        }
     }
 }
diff --git a/app/src/main/java/org/gallonyin/weworkhk/TencentMapActivity.java b/app/src/main/java/org/gallonyin/weworkhk/TencentMapActivity.java
@@ -2,10 +2,9 @@
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
-import android.view.View;
-import android.widget.FrameLayout;
 import android.widget.Toast;
 
 import com.tencent.mapsdk.raster.model.BitmapDescriptorFactory;
@@ -24,25 +23,25 @@
 public class TencentMapActivity extends AppCompatActivity {
     private static final String TAG = "TencentMapActivity";
 
-    private FrameLayout fl_root;
-    private String url;
     private MapView mapView;
     private TencentMap tencentMap;
+    private SharedPreferences sp;
+    private float laDefault;
+    private float loDefault;
 
-    public static void enterActivity(Context context, String url) {
+    public static void enterActivity(Context context) {
         Intent intent = new Intent(context, TencentMapActivity.class);
-        intent.putExtra("url", url);
         context.startActivity(intent);
     }
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_tencent_map);
+        sp = getSharedPreferences("main", Context.MODE_PRIVATE);
+        laDefault = sp.getFloat("la", 31.984240f);
+        loDefault = sp.getFloat("lo", 118.763820f);
 
-        url = getIntent().getStringExtra("url");
-
-        fl_root = findViewById(R.id.fl_root);
         mapView = findViewById(R.id.mapview);
         mapView.onCreate(savedInstanceState);
 
@@ -53,7 +52,7 @@ private void initMap() {
         //获取TencentMap实例
         tencentMap = mapView.getMap();
         //设置地图中心点
-        tencentMap.setCenter(new LatLng(31.984240, 118.763820));
+        tencentMap.setCenter(new LatLng(laDefault, loDefault));
         //设置缩放级别
         tencentMap.setZoom(11);
 
@@ -74,7 +73,7 @@ public void onMapClick(LatLng latLng) {
             }
         });
 
-        showMarker(31.984240d, 118.763820d);
+        showMarker(laDefault, loDefault);
     }
 
     private void showMarker(final double la, final double lo) {
@@ -98,6 +97,9 @@ public void onInfoWindowClick(Marker arg0) {
                 intent.putExtra("data", la + "#" + lo);
                 sendBroadcast(intent);
                 Toast.makeText(mapView.getContext(), "已更新坐标", Toast.LENGTH_SHORT).show();
+                sp.edit().putFloat("la", (float) la)
+                        .putFloat("lo", (float) lo)
+                        .apply();
             }
         });
 //        //Marker拖拽事件