質問編集履歴
6
文法の修正
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setContentView(layout);
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setContentView(layout); *ここの部分を削除すると正常に動くようになりました。
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myListView = (ListView)findViewById(R.id.itemListView);
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MyOpenHelper helper = new MyOpenHelper(this);
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SQLiteDatabase db = helper.getReadableDatabase();
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Cursor c = db.rawQuery
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SQLiteDatabase db = helper.getReadableDatabase();
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Cursor c = db.rawQuery
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//表示するカラム名
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String[] from = {"Shopname","_id"};
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5
ソースの追加
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layout.setOrientation(LinearLayout.VERTICAL);
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setContentView(layout);
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4
xmlファイルの追加を行いました
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```
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```java
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activity_main3.xml
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical" >
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<ListView
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android:layout_height="wrap_content"
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android:id="@+id/itemListView"
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android:layout_width="match_parent"
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android:layout_weight="1"/>
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<LinearLayout
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android:layout_height="wrap_content"
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android:layout_width="match_parent">
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</LinearLayout>
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<Button
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android:id="@+id/deleteAll"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="全削除"
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></Button>
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</LinearLayout>
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```
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Debuggerのスクショです
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![Debuggerのスクショです](ff54a266a4ff520efefdecbc7d8987b3.png)
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3
コードの追加を行いました!文字数の関係で一部削除いたしました。
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```Java
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Main3Activity.java↓
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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public boolean onCreateOptionsMenu(Menu menu) {
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// Inflate the menu; this adds items to the action bar if it is present.
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getMenuInflater().inflate(R.menu.menu_main3, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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// Handle action bar item clicks here. The action bar will
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// automatically handle clicks on the Home/Up button, so long
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// as you specify a parent activity in AndroidManifest.xml.
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int id = item.getItemId();
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//noinspection SimplifiableIfStatement
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if (id == R.id.action_settings) {
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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}
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@@ -284,50 +252,6 @@
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```
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```java
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Debuggerのスクショです
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ddms: Can't bind to local 8601 for debugger
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ddmlib: 確立された接続がホスト コンピューターのソウトウェアによって中止されました。
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java.io.IOException: 確立された接続がホスト コンピューターのソウトウェアによって中止されました。
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at sun.nio.ch.SocketDispatcher.write0(Native Method)
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at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
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at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
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at sun.nio.ch.IOUtil.write(IOUtil.java:65)
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at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:471)
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at com.android.ddmlib.JdwpPacket.writeAndConsume(JdwpPacket.java:213)
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at com.android.ddmlib.Client.sendAndConsume(Client.java:684)
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at com.android.ddmlib.HandleHeap.sendREAQ(HandleHeap.java:349)
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at com.android.ddmlib.Client.requestAllocationStatus(Client.java:523)
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at com.android.ddmlib.DeviceMonitor.createClient(DeviceMonitor.java:847)
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at com.android.ddmlib.DeviceMonitor.openClient(DeviceMonitor.java:815)
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at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:633)
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at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:46)
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at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:592)
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```
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![Debuggerのスクショです](ff54a266a4ff520efefdecbc7d8987b3.png)
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2
スタイルの変更、スクショを追加しました
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@@ -206,12 +206,16 @@
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```java
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activity_main3に移る際の
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logcat↓
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04-22 14:52:09.370 28578-28578/com.example.sample.liflogaplicationtukurinaosi W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x41fc7ba8)
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04-22 14:52:09.370 28578-28578/com.example.sample.liflogaplicationtukurinaosi E/AndroidRuntime﹕ FATAL EXCEPTION: main
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```
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```java
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activity_main3に移る際のADBlogs↓
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at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:46)
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at com.android.ddmlib.DeviceMonitor$3.run(DeviceMonitor.java:592)
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```
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![Debuggerのスクショです](ff54a266a4ff520efefdecbc7d8987b3.png)
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1
Javaの書式に変更しました!
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```Java
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-
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ソース↓
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import android.database.Cursor;
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@@ -202,6 +202,8 @@
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}
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```
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activity_main3に移る際の
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