crush closeable

gistfile1.java

package com.example.android.crushcloseable;

import java.io.Closeable;
import java.io.IOException;

import android.app.Activity;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.os.Bundle;

public class HomeActivity extends Activity {

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.home);

		SQLiteOpenHelper helper = new SQLiteOpenHelper(this, "test.db", null, 1) {
			@Override
			public void onCreate(SQLiteDatabase db) {
				db.execSQL("create table test(_id integer primary key autoincrement, message text)");
			}

			@Override
			public void onUpgrade(SQLiteDatabase db, int oldVersion,
					int newVersion) {
			}
		};
		SQLiteDatabase database = helper.getWritableDatabase();
		String table = "test";
		String[] columns = new String[] { "_id", "message" };
		Cursor cursor = database.query(table, columns, null, null, null, null,
				null);

		// cursor.close();
		forceClose(cursor);
	}

	private void forceClose(Closeable closeable) {
		if (closeable == null)
			return;

		try {
			closeable.close();
		} catch (IOException e) {
		}
	}
	
	/*
	 * 3330               dalvikvm  D  Late-enabling CheckJNI
	 * 3330         AndroidRuntime  D  Shutting down VM
	 * 3330               dalvikvm  W  threadid=1: thread exiting with uncaught exception (group=0x40a291f8)
	 * 3330         AndroidRuntime  E  FATAL EXCEPTION: main
	 * 3330         AndroidRuntime  E  java.lang.IncompatibleClassChangeError: interface not implemented
	 * 3330         AndroidRuntime  E  	at com.example.android.crushcloseable.HomeActivity.forceClose(HomeActivity.java:45)
	 * 3330         AndroidRuntime  E  	at com.example.android.crushcloseable.HomeActivity.onCreate(HomeActivity.java:37)
	 * 3330         AndroidRuntime  E  	at android.app.Activity.performCreate(Activity.java:4465)
	 * 3330         AndroidRuntime  E  	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
	 * 3330         AndroidRuntime  E  	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
	 * 3330         AndroidRuntime  E  	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
	 * 3330         AndroidRuntime  E  	at android.app.ActivityThread.access$600(ActivityThread.java:123)
	 * 3330         AndroidRuntime  E  	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
	 * 3330         AndroidRuntime  E  	at android.os.Handler.dispatchMessage(Handler.java:99)
	 * 3330         AndroidRuntime  E  	at android.os.Looper.loop(Looper.java:137)
	 * 3330         AndroidRuntime  E  	at android.app.ActivityThread.main(ActivityThread.java:4424)
	 * 3330         AndroidRuntime  E  	at java.lang.reflect.Method.invokeNative(Native Method)
	 * 3330         AndroidRuntime  E  	at java.lang.reflect.Method.invoke(Method.java:511)
	 * 3330         AndroidRuntime  E  	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
	 * 3330         AndroidRuntime  E  	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
	 * 3330         AndroidRuntime  E  	at dalvik.system.NativeStart.main(Native Method)
	 */
}