Android活动已泄露窗口
我试图做的是从服务器获取文件。同样的代码使用sdcard运行f9,但当我从thorugh线程获取文件时,我的logcat中出现以下错误 我的代码如下:Android活动已泄露窗口,android,Android,我试图做的是从服务器获取文件。同样的代码使用sdcard运行f9,但当我从thorugh线程获取文件时,我的logcat中出现以下错误 我的代码如下: public class Map extends Activity { // private GraphicsView mGLView; //private GisGLRenderer m_GisRenderer; final static String RESULT_KEY="result"; fina
public class Map extends Activity
{
//
private GraphicsView mGLView;
//private GisGLRenderer m_GisRenderer;
final static String RESULT_KEY="result";
final static int REQ_CODE=1001;
AlertDialog m=null;
public class LoadFile extends AsyncTask<String,String,String>
{
ProgressDialog Asycdialog = new ProgressDialog(Map.this);
@Override
protected void onPreExecute() {
//set message of the dialog
Asycdialog.setMessage("Loading File");
Asycdialog.setButton(DialogInterface.BUTTON_NEGATIVE,"Cancel",new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
//To change body of implemented methods use File | Settings | File Templates.
}
});
//show dialog
Asycdialog.show();
super.onPreExecute();
}
protected void onProgressUpdate(String ... progress)
{
}
protected String doInBackground(String ... Params)
{
Map.this.mGLView.LoadProjectFile(AppFuncs.g_path);
Map.this.mGLView.requestRender();
return null;
}
protected void onPostExecute(String result)
{
Asycdialog.dismiss();
super.onPostExecute(result);
}
}
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
mGLView = (GraphicsView) findViewById(R.id.glview);
}
public void bt_Open(View v)
{
AlertDialog.Builder builder=new AlertDialog.Builder(this);
builder.setTitle("Load File");
builder.setMessage("Choose an option to load file")
.setCancelable(false)
.setNegativeButton("Server",new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog,int which)
{
Intent i= new Intent(Map.this,serv.class);
startActivityForResult(i,REQ_CODE);
}
}
)
.setPositiveButton("SDcard",new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int which)
{
Intent i= new Intent(Map.this,FileChooser.class);
startActivityForResult(i,REQ_CODE);
}
}
);
final AlertDialog a=builder.create();
a.show();
}
protected void onActivityResult(int requestCode, int resultCode,Intent data)
{
//super.onActivityResult(requestCode,resultCode,data);
if(requestCode==REQ_CODE)
{
if(resultCode==RESULT_OK && data.getExtras().containsKey(RESULT_KEY))
{
// Toast.makeText(this,data.getExtras().getString(RESULT_KEY),Toast.LENGTH_SHORT).show();
// this.mGLView.m_SelectedProjectPath = AppFuncs.path;
LoadFile f= new LoadFile();
f.execute("");
// this.mGLView.LoadProjectFile(AppFuncs.path);
}
}
}
ERROR/WindowManager(20040): Activity idtech.ESDN.Map has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0 that was originally added here
android.view.WindowLeaked: Activity idtech.ESDN.Map has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0 that was originally added here
at android.view.ViewRootImpl.<init>(ViewRootImpl.java:380)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:292)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
at
android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
at android.view.Window$LocalWindowManager.addView(Window.java:547)
at android.app.Dialog.show(Dialog.java:277)
at idtech.ESDN.Map$LoadFile.onPreExecute(Map.java:59)
at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
at android.os.AsyncTask.execute(AsyncTask.java:534)
at idtech.ESDN.Map.onActivityResult(Map.java:221)
at android.app.Activity.dispatchActivityResult(Activity.java:5194)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3180)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3227)
at android.app.ActivityThread.access$1100(ActivityThread.java:137)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1258)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4838)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:608)
at dalvik.system.NativeStart.main(Native Method)
公共类映射扩展活动
{
//
私有图形视图mGLView;
//私人GISGLER m_GISGLER;
最终静态字符串结果\u KEY=“RESULT”;
最终静态int REQ_代码=1001;
AlertDialog m=null;
公共类装入文件扩展异步任务
{
ProgressDialog Asycdialog=新建ProgressDialog(Map.this);
@凌驾
受保护的void onPreExecute(){
//设置对话框的消息
setMessage(“加载文件”);
Asycdialog.setButton(DialogInterface.BUTTON_否定,“取消”,新建DialogInterface.OnClickListener(){
@凌驾
公共void onClick(DialogInterface,inti){
//要更改已实现方法的主体,请使用文件|设置|文件模板。
}
});
//显示对话框
Asycdialog.show();
super.onPreExecute();
}
受保护的void onProgressUpdate(字符串…进度)
{
}
受保护的字符串doInBackground(字符串…参数)
{
Map.this.mGLView.LoadProjectFile(AppFuncs.g_路径);
Map.this.mGLView.requestRender();
返回null;
}
受保护的void onPostExecute(字符串结果)
{
Asycdialog.disclose();
super.onPostExecute(结果);
}
}
创建时的公共void(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
mGLView=(GraphicsView)findviewbyd(R.id.glview);
}
公共无效bt_打开(视图五)
{
AlertDialog.Builder=新建AlertDialog.Builder(此);
builder.setTitle(“加载文件”);
setMessage(“选择加载文件的选项”)
.setCancelable(错误)
.setNegativeButton(“服务器”,新的DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog,int which)
{
意图i=新意图(Map.this,serv.class);
startActivityForResult(i,请求代码);
}
}
)
.setPositiveButton(“SDcard”,新的DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog,int which)
{
Intent i=新Intent(Map.this、FileChooser.class);
startActivityForResult(i,请求代码);
}
}
);
最终警报对话框a=builder.create();
a、 show();
}
受保护的void onActivityResult(int请求代码、int结果代码、意图数据)
{
//super.onActivityResult(请求代码、结果代码、数据);
if(请求代码==请求代码)
{
if(resultCode==RESULT\u OK&&data.getExtras().containsKey(RESULT\u KEY))
{
//Toast.makeText(this,data.getExtras().getString(RESULT_KEY),Toast.LENGTH_SHORT.show();
//this.mGLView.m_SelectedProjectPath=AppFuncs.path;
LoadFile f=新的LoadFile();
f、 执行(“”);
//这个.mGLView.LoadProjectFile(AppFuncs.path);
}
}
}
错误/WindowManager(20040):活动idtech.ESDN.Map泄漏了window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0原来是加在这里的
android.view.WindowLeaked:Activity idtech.ESDN.Map泄漏了window com.android.internal.policy.impl.PhoneWindow$DecorView@416a97b0原来是加在这里的
在android.view.ViewRootImpl。(ViewRootImpl.java:380)
在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:292)
在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
在
WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
在android.view.Window$LocalWindowManager.addView(Window.java:547)
在android.app.Dialog.show上(Dialog.java:277)
位于idtech.ESDN.Map$LoadFile.onPreExecute(Map.java:59)
位于android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
在android.os.AsyncTask.execute(AsyncTask.java:534)
位于idtech.ESDN.Map.onActivityResult(Map.java:221)
位于android.app.Activity.dispatchActivityResult(Activity.java:5194)
位于android.app.ActivityThread.deliverResults(ActivityThread.java:3180)
位于android.app.ActivityThread.handleSendResult(ActivityThread.java:3227)
在android.app.ActivityThread.access$1100(ActivityThread.java:137)
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1258)
位于android.os.Handler.dispatchMessage(Handler.java:99)
位于android.os.Looper.loop(Looper.java:137)
位于android.app.ActivityThread.main(ActivityThread.java:4838)
位于java.lang.reflect.Method.Invokenactive(本机方法)
位于java.lang.reflect.Method.invoke(Method.java:511)
在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)上
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:608)
在dalvik.system.NativeStart.main(本机方法)
在显示对话框之前,检查活动是否未完成
,否则可能会泄漏:
if(!this.isFinishing()){
dialog.show();
}
同时尝试将此声明移动到活动
,而不是异步任务
,并尝试取消活动的onDestroy中的对话框
ProgressDialog Asycdialog = new ProgressDialog(Map.this);
发生这种情况的原因是:
退出活动后,您试图显示一个对话框
解决方案:<