hzuapps#95 hzuapps#20 lab9综合编程

soleMemory · May 11, 2016 · 2ac0266 · 2ac0266
1 parent 6d99c58
commit 2ac0266
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Showing 2 changed files with 36 additions and 12 deletions.
diff --git a/...src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234Db.java b/...src/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234Db.java
@@ -1,18 +1,21 @@
 package edu.hzuapps.androidworks.homeworks.Net134080903234;
+
 import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 
-
+/**
+ * Created by ljl on 2016/4/18 0018.
+ */
 public class Net1314080903234Db extends SQLiteOpenHelper {
 
-    public Db(Context context) {
+    public Net1314080903234Db(Context context) {
         super(context, "db", null, 1);
     }
 
     @Override
     public void onCreate(SQLiteDatabase db) {
-        db.execSQL("create table whereYou(" +   
+        db.execSQL("create table whereYou(" +
                 "_id integer PRIMARY KEY AUTOINCREMENT," +
                 "longitude text DEFAULT \"\"," +
                 "latitude text DEFAULT \"\")");

diff --git a/...rc/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java b/...rc/main/java/edu/hzuapps/androidworks/homeworks/net1314080903234/Net1314080903234GPS.java
@@ -1,6 +1,5 @@
 package edu.hzuapps.androidworks.homeworks.Net134080903234;
 
-import android.app.Activity;
 import android.app.ListActivity;
 import android.content.ContentValues;
 import android.content.Context;
@@ -18,27 +17,37 @@
 import android.provider.Settings;
 import android.util.Log;
 import android.view.View;
-import android.view.Menu;
-import android.view.MenuItem;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.SimpleCursorAdapter;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.Iterator;
+import java.util.List;
+
+import edu.hzuapps.androidworks.R;
 
 public class Net1314080903234GPS extends ListActivity {
 
     private EditText editText;
     private LocationManager lm;
     private SQLiteDatabase dbRead,dbWrite;
-    private Db db;
+    private Net1314080903234Db db;
     private SimpleCursorAdapter adapter;
     private Button button;
+    private TextView textView;
     private static final String TAG="GpsActivity";
+    private boolean flag=true;
+
+
+
+
+
 
     //获取当前时间
     SimpleDateFormat formatter= new SimpleDateFormat ("yyyy.MM.dd HH:mm:ss");
@@ -49,19 +58,27 @@ public class Net1314080903234GPS extends ListActivity {
     private View.OnClickListener btnListener= new View.OnClickListener() {
         @Override
         public void onClick(View v) {
-            if(getListView().getVisibility()==View.VISIBLE) {
-                Toast.makeText(getApplicationContext(),"显示历史记录",Toast.LENGTH_SHORT).show();
+            if(flag) {
+                getListView().setVisibility(View.VISIBLE);
+                Toast.makeText(getApplicationContext(), "显示历史记录", Toast.LENGTH_SHORT).show();
                 setListAdapter(adapter);
                 refresh();
+                flag=false;
+            }
+            else {
+                getListView().setVisibility(View.INVISIBLE);
+                Toast.makeText(getApplicationContext(), "关闭历史记录", Toast.LENGTH_SHORT).show();
+                flag=true;
             }
-
 
         }
     };
 
 
 
 
+
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -70,12 +87,15 @@ public void onCreate(Bundle savedInstanceState) {
         button.setOnClickListener(btnListener);
 
 
+
+
+
         //读数据库
-        db =new Db(this);
+        db =new Net1314080903234Db(this);
         dbRead = db.getReadableDatabase();
         dbWrite=db.getWritableDatabase();
 
-        adapter = new SimpleCursorAdapter(this,R.layout.where_you,null,
+        adapter = new SimpleCursorAdapter(this, R.layout.net1314080903234where_you,null,
                 new String[]{"longitude","latitude"},
                 new int[]{R.id.tvLong,R.id.tvLat});
 //        setListAdapter(adapter);
@@ -161,6 +181,7 @@ public void onStatusChanged(String provider, int status, Bundle extras) {
             }
         }
 
+
         /**
          * GPS开启时触发
          */