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当我的设备旋转时,我已经开始尝试在我的视图中保留一些数据。由于一段时间后,实施这个我的应用程序将与错误崩溃:@@@ ABORTING:无效地址在dlfree addr = 0x00000156
@@@ ABORTING: INVALID HEAP ADDRESS IN dlfree addr=0x00000156
Fatal signal 11 (SIGSEGV) at 0xdeadbaad (code=1), thread 20787 (FinalizerDaemon)
应用程序崩溃每次我试图重新打开它,我立即得到同样的错误,直到我卸载的应用时间之后。
有谁知道是什么原因导致了这个错误?
这里是我用来储存数据的代码:
onDestory()
:
System.out.println("Saving");
ArrayList<Path> strokes = paintCanvas.strokes;
ArrayList<Integer> colors = paintCanvas.colors;
SharedPreferences settings = getSharedPreferences("colors", MODE_PRIVATE);
settings.unregisterOnSharedPreferenceChangeListener(listener);
/**Write Colors**/
try
{
FileOutputStream os = openFileOutput("drawing.dat", MODE_PRIVATE);
ObjectOutputStream output = new ObjectOutputStream(os);
output.writeObject(colors);
output.close();
}
catch (Exception e)
{
e.printStackTrace();
}
/**Write Paths**/
try
{
Gson gson = new Gson();
File file = getFileStreamPath("paths.txt");
FileWriter writer = new FileWriter(file);
BufferedWriter output = new BufferedWriter(writer);
for(Path p : strokes)
{
String s = gson.toJson(p);
s = s + "\n";
output.write(s);
}
output.close();
}
catch (Exception e)
{
e.printStackTrace();
//System.out.println(e.getMessage());
}
在onCreate()
:
//Try Load here!
/**Read Colors**/
try
{
ArrayList<Integer> colors;
ArrayList<Path> strokes;
FileInputStream ins = openFileInput("drawing.dat");
ObjectInputStream reader = new ObjectInputStream(ins);
colors = (ArrayList<Integer>)reader.readObject();
paintCanvas.colors = colors;
System.out.println("Colors Loaded");
}
catch (Exception e)
{
e.printStackTrace();
}
/**Read Paths**/
try
{
FileInputStream fis = openFileInput("paths.txt");
InputStreamReader isr = new InputStreamReader(fis);
BufferedReader bufferedReader = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
String line;
Gson gson = new Gson();
ArrayList<Path> paths = new ArrayList<Path>();
while ((line = bufferedReader.readLine()) != null)
{
paths.add(gson.fromJson(line,Path.class));
}
paintCanvas.strokes = paths;
paintCanvas.currentStroke = paintCanvas.strokes.size() - 1;
System.out.println("Paths Loaded");
}
catch (Exception e)
{
e.printStackTrace();
}
不是你的答案,但你真的想'onDestroy()'?这通常只有在你明确地“完成”你的活动时才会被调用。 'onPause()'或'onStop()'可能是更好的选择。 – Simon
@Simon是,只要设备旋转,就会调用'onDestroy()'。我厌倦了'onStop()',而且它经常储蓄。 – Deekor