こんにちは、私は加速度計データからファイルに書き込もうとしています。ここに私のコードは次のとおりです。ログAccelerometerのデータをiPhoneのファイルに転送
-(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration {
//xax.text = [NSString stringWithFormat:@"X:[%2.6f]",acceleration.x];
//yax.text = [NSString stringWithFormat:@"Y:[%2.6f]",acceleration.y];
//zax.text = [NSString stringWithFormat:@"Z:[%2.6f]",acceleration.z];
NSString *acc_x = [[NSString alloc] initWithFormat:@"X:[%2.6f]",acceleration.x];
NSString *acc_y = [[NSString alloc] initWithFormat:@"Y:[%2.6f]",acceleration.y];
NSString *acc_z = [[NSString alloc] initWithFormat:@"Z:[%2.6f]",acceleration.z];
xax.text = acc_x;
yax.text = acc_y;
zax.text = acc_z;
[acc_x release];
[acc_y release];
[acc_z release];
//wfm == 2 //Initialization of Appending to the file
if (wfm == 2)
{
NSFileManager *fileManager = [NSFileManager defaultManager];
NSString *txtFileName = [[NSString alloc] initWithFormat:@"tmp/%@.txt",txtName.text];
NSString *fileName = [NSHomeDirectory() stringByAppendingPathComponent:txtFileName];
//NSString *fileName = [NSHomeDirectory() stringByAppendingPathComponent:@"tmp/acc_w_trial2.txt"];
//Current Contents of the file
NSString *fileCurrent = [[NSString alloc] initWithContentsOfFile:fileName];
//Date and Time of each Accelerometer Data
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd 'at' HH:mm:ss:SSS"];
NSDate *date = [NSDate date];
NSString *formattedDateString = [dateFormatter stringFromDate:date];
NSString *msg = [[NSString alloc] initWithFormat:@"%@%@ %@%@%@ \n",fileCurrent,formattedDateString,xax.text,yax.text,zax.text];
//Convert NSstring to NSData
NSData* data=[msg dataUsingEncoding: [NSString defaultCStringEncoding]];
//bool fileCreationSuccess = [fileManager createFileAtPath:fileName contents:data attributes:nil];
[fileManager createFileAtPath:fileName contents:data attributes:nil];
[msg release];
[dateFormatter release];
[fileCurrent release];
[txtFileName release];
}
}
私は警告レベル1とレベル2を取得し、私はロックアップからこれを防ぐために、NSFileManagerのメモリを解放することができます方法はありますか?
私もそれを試みましたが、まだフリーズしました。返信いただきありがとうございます。 – Vance