編集履歴

質問編集履歴

エラーメッセージの修正

2017/02/03 01:27

投稿

rain_sun

スコア12

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -12,7 +12,101 @@
 ```
+E/AndroidRuntime: FATAL EXCEPTION: main
+                  Process: com.example.innovation.f_featnote, PID: 2899
-java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
+                  java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
+                      at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:394)
+                      at android.widget.ArrayAdapter.getView(ArrayAdapter.java:362)
+                      at android.widget.AbsListView.obtainView(AbsListView.java:2344)
+                      at android.widget.ListView.makeAndAddView(ListView.java:1864)
+                      at android.widget.ListView.fillDown(ListView.java:698)
+                      at android.widget.ListView.fillFromTop(ListView.java:759)
+                      at android.widget.ListView.layoutChildren(ListView.java:1673)
+                      at android.widget.AbsListView.onLayout(AbsListView.java:2148)
+                      at android.view.View.layout(View.java:15596)
+                      at android.view.ViewGroup.layout(ViewGroup.java:4966)
+                      at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
+                      at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
+                      at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
+                      at android.view.View.layout(View.java:15596)
+                      at android.view.ViewGroup.layout(ViewGroup.java:4966)
+                      at android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
+                      at android.widget.FrameLayout.onLayout(FrameLayout.java:508)
+                      at android.view.View.layout(View.java:15596)
+                      at android.view.ViewGroup.layout(ViewGroup.java:4966)
+                      at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1703)
+                      at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1557)
+                      at android.widget.LinearLayout.onLayout(LinearLayout.java:1466)
+                      at android.view.View.layout(View.java:15596)
+                      at android.view.ViewGroup.layout(ViewGroup.java:4966)
+                      at android.widget.FrameLayout.layoutChildren(FrameLayout.java:573)
+                      at android.widget.FrameLayout.onLayout(FrameLayout.java:508)
+                      at android.view.View.layout(View.java:15596)
+                      at android.view.ViewGroup.layout(ViewGroup.java:4966)
+                      at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2072)
+                      at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1829)
+                      at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054)
+                      at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779)
+                      at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
+                      at android.view.Choreographer.doCallbacks(Choreographer.java:580)
+                      at android.view.Choreographer.doFrame(Choreographer.java:550)
+                      at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
+                      at android.os.Handler.handleCallback(Handler.java:739)
+                      at android.os.Handler.dispatchMessage(Handler.java:95)
+                      at android.os.Looper.loop(Looper.java:135)
+                      at android.app.ActivityThread.main(ActivityThread.java:5221)
+                      at java.lang.reflect.Method.invoke(Native Method)
+                      at java.lang.reflect.Method.invoke(Method.java:372)
+                      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
+                      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
 ```

修正

2017/02/03 01:27

投稿

rain_sun

スコア12

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -26,98 +26,166 @@
 import android.app.Activity;
 import android.app.ListActivity;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Bundle;
 import android.provider.ContactsContract;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.BaseAdapter;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 import com.example.innovation.f_featnote.SubOpenHelper;
 import com.example.innovation.f_featnote.MainActivity;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-/**
- * Created by Innovation on 2017/01/26.
- */
 public class SqlLoad extends Activity {
     ListView lv;
     static String[][] list;
     static String[] Did = new String[2];
     static long id_;
     static boolean[] flg;
     static String[] Data;
     private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.sql_load);
        // final boolean[] flg = new boolean[1];
@@ -128,6 +196,8 @@
         Main();
     }
@@ -142,44 +212,78 @@
        // lv = new ListView(this);
     //    ArrayList<String> Data = new ArrayList<>(Arrays.asList(SQLDataGet()));
         lv = (ListView)findViewById(R.id.sql_load_main);
-        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_expandable_list_item_1, Data);
+        ArrayAdapter<String> adapter = new ArrayAdapter<>(this,
+android.R.layout.simple_expandable_list_item_1, Data);
         lv.setAdapter(adapter);//リスト表示
      //   setContentView(lv,new ViewGroup.LayoutParams(WC,WC));
         lv.setOnItemClickListener(new AdapterView.OnItemClickListener(){
             @Override
             public void onItemClick(AdapterView<?> parent,View view,int position,long id){
                 //  ListView listView = (ListView) parent;
                 //   String item = (String)listView.getItemAtPosition(position);
                 Log.d("id",""+id);
                 id_ = id;
                 SQLDContentGet();
                 SQLDataSet();
                 finish();
                 // Toast.makeText(getApplicationContext(),item + "clicked",Toast.LENGTH_LONG).show();
             }
         });
     }
@@ -194,52 +298,96 @@
     public String[] SQLDataGet(){
         MainActivity main = new MainActivity();
         Context con = this;
         List ls = null;
         SQLiteDatabase sdb = main.SQLopen(con.getApplicationContext());//MainActivity参照
         final String[] columns = new String[]{"title","content","date"};//列名
         String where = null;//条件
         String[] Args = new String[]{""};//？の置き換え
         Cursor c = sdb.query("MemoContents", columns,where, null, null, null, null);
         int startPostion = c.getPosition();
         c.moveToFirst();
         list = new String[c.getCount()][columns.length];
         String[] Dlist = new String[c.getCount()];
         for (int i = 0; i< list[0].length-1; i++){
             for (int j = 0; j < list[1].length; j++){
                 list[i][j] = c.getString(j);
                 Log.d(i+"-"+j,list[i][j]);//デバッグ
                 Dlist[i] = list[i][0];
             }
             c.moveToNext();
         }
         c.moveToPosition(startPostion);
       //  finish();
         return Dlist;
     }
@@ -248,38 +396,72 @@
     public void SQLDContentGet(){
         Did[0] = list[(int)id_][0];
         Did[1] = list[(int)id_][1];
     }
     public void SQLDataSet(){
         Intent data = new Intent();
         Bundle bundle = new Bundle();
         data.putExtra("key.data",Did);
         data.putExtras(bundle);
         setResult(RESULT_OK,data);
         finish();
     }
     @Override
     public void finish() {
         super.finish();
-    }
+    }
+}
-}```
+```

微修正

2017/02/02 09:41

投稿

rain_sun

スコア12

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -28,136 +28,84 @@
 import android.app.Activity;
 import android.app.ListActivity;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Bundle;
 import android.provider.ContactsContract;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.BaseAdapter;
 import android.widget.Button;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 import com.example.innovation.f_featnote.SubOpenHelper;
 import com.example.innovation.f_featnote.MainActivity;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+/**
+ * Created by Innovation on 2017/01/26.
+ */
 public class SqlLoad extends Activity {
     ListView lv;
-static String[][] list;
+    static String[][] list;
     static String[] Did = new String[2];
     static long id_;
     static boolean[] flg;
     static String[] Data;
     private final int WC = ViewGroup.LayoutParams.WRAP_CONTENT;
@@ -166,17 +114,11 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.sql_load);
-    // final boolean[] flg = new boolean[1];
+       // final boolean[] flg = new boolean[1];
@@ -198,82 +140,42 @@
         Data = SQLDataGet();
        // lv = new ListView(this);
     //    ArrayList<String> Data = new ArrayList<>(Arrays.asList(SQLDataGet()));
         lv = (ListView)findViewById(R.id.sql_load_main);
-        ArrayAdapter<String> adapter = new ArrayAdapter<>(this,
+        ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_expandable_list_item_1, Data);
-android.R.layout.simple_expandable_list_item_1, Data);
         lv.setAdapter(adapter);//リスト表示
      //   setContentView(lv,new ViewGroup.LayoutParams(WC,WC));
         lv.setOnItemClickListener(new AdapterView.OnItemClickListener(){
             @Override
             public void onItemClick(AdapterView<?> parent,View view,int position,long id){
                 //  ListView listView = (ListView) parent;
                 //   String item = (String)listView.getItemAtPosition(position);
                 Log.d("id",""+id);
                 id_ = id;
                 SQLDContentGet();
                 SQLDataSet();
                 finish();
                 // Toast.makeText(getApplicationContext(),item + "clicked",Toast.LENGTH_LONG).show();
             }
         });
@@ -292,170 +194,92 @@
     public String[] SQLDataGet(){
         MainActivity main = new MainActivity();
         Context con = this;
         List ls = null;
         SQLiteDatabase sdb = main.SQLopen(con.getApplicationContext());//MainActivity参照
         final String[] columns = new String[]{"title","content","date"};//列名
         String where = null;//条件
         String[] Args = new String[]{""};//？の置き換え
         Cursor c = sdb.query("MemoContents", columns,where, null, null, null, null);
         int startPostion = c.getPosition();
         c.moveToFirst();
         list = new String[c.getCount()][columns.length];
         String[] Dlist = new String[c.getCount()];
         for (int i = 0; i< list[0].length-1; i++){
             for (int j = 0; j < list[1].length; j++){
                 list[i][j] = c.getString(j);
                 Log.d(i+"-"+j,list[i][j]);//デバッグ
                 Dlist[i] = list[i][0];
             }
             c.moveToNext();
         }
         c.moveToPosition(startPostion);
       //  finish();
         return Dlist;
     }
     public void SQLDContentGet(){
         Did[0] = list[(int)id_][0];
         Did[1] = list[(int)id_][1];
     }
     public void SQLDataSet(){
         Intent data = new Intent();
         Bundle bundle = new Bundle();
         data.putExtra("key.data",Did);
         data.putExtras(bundle);
         setResult(RESULT_OK,data);
         finish();
     }
     @Override
     public void finish() {
         super.finish();
-    }
+    }
-}
-```
+}```

すみません　修正しました

2017/02/02 09:39

投稿

rain_sun

スコア12

test CHANGED Viewed

File without changes

test CHANGED Viewed

@@ -18,7 +18,9 @@
-###該当のソース```java
+###java
+```
 package com.example.innovation.f_featnote;