java - Android执行一段代码时出现内存泄漏问题

Question

运行代码时出现以下错误。我不知道如何阻止内存泄漏并摆脱这个问题。

08-30 10:00:32.538: E/WindowManager(851): Activity simplicity.in.TenderPopUpTabsActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@43fce660 that was originally added here
08-30 10:00:32.538: E/WindowManager(851): android.view.WindowLeaked: Activity simplicity.in.TenderPopUpTabsActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@43fce660 that was originally added here
08-30 10:00:32.538: E/WindowManager(851):   at android.view.ViewRoot.<init>(ViewRoot.java:247)
08-30 10:00:32.538: E/WindowManager(851):   at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:148)
08-30 10:00:32.538: E/WindowManager(851):   at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
08-30 10:00:32.538: E/WindowManager(851):   at android.view.Window$LocalWindowManager.addView(Window.java:424)
08-30 10:00:32.538: E/WindowManager(851):   at android.app.Dialog.show(Dialog.java:241)
08-30 10:00:32.538: E/WindowManager(851):   at android.app.ProgressDialog.show(ProgressDialog.java:107)
08-30 10:00:32.538: E/WindowManager(851):   at android.app.ProgressDialog.show(ProgressDialog.java:90)
08-30 10:00:32.538: E/WindowManager(851):   at simplicity.in.PaymentActivity.transByPaymentGateway(PaymentActivity.java:263)
08-30 10:00:32.538: E/WindowManager(851):   at simplicity.in.PaymentActivity.onClick(PaymentActivity.java:131)
08-30 10:00:32.538: E/WindowManager(851):   at android.view.View.performClick(View.java:2408)
08-30 10:00:32.538: E/WindowManager(851):   at android.view.View$PerformClick.run(View.java:8816)
08-30 10:00:32.538: E/WindowManager(851):   at android.os.Handler.handleCallback(Handler.java:587)
08-30 10:00:32.538: E/WindowManager(851):   at android.os.Handler.dispatchMessage(Handler.java:92)
08-30 10:00:32.538: E/WindowManager(851):   at android.os.Looper.loop(Looper.java:123)
08-30 10:00:32.538: E/WindowManager(851):   at android.app.ActivityThread.main(ActivityThread.java:4627)
08-30 10:00:32.538: E/WindowManager(851):   at java.lang.reflect.Method.invokeNative(Native Method)
08-30 10:00:32.538: E/WindowManager(851):   at java.lang.reflect.Method.invoke(Method.java:521)
08-30 10:00:32.538: E/WindowManager(851):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
08-30 10:00:32.538: E/WindowManager(851):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
08-30 10:00:32.538: E/WindowManager(851):   at dalvik.system.NativeStart.main(Native Method)

我使用下面的代码，遇到内存泄漏问题。当我执行此方法时出现问题

private void transByPaymentGateway(final double ccAmt) {
        dialog = ProgressDialog.show(PaymentActivity.this, "", "Processing Transaction...", true);
        new Thread(new Runnable() {
            public void run() {
                boolean successful = false;
                final String totalAmt;
                if(ccAmt <25){
                    totalAmt = Double.toString(amount);
                    AnyPayment anyPayment = new AnyPayment(PaymentActivity.this);
                    successful = anyPayment.payAmount(Name, Number,totalAmt);
                }
                }
                if(successful){ 
                    runOnUiThread(new Runnable() {
                        public void run() {
                            showApprovalToast();
                            Variables.creditCardAmount = amount;
                            getReceiptfromPrinter();
                            saveTransactioDetails();

                            if(Variables.customerEmailId.equals("")){
                                System.out.println("Customer is Not associated");
                            }
                            else{
                                System.out.println("Testing email"+Variables.customerEmailId);
                                System.out.println("Testing"+Variables.customerId);
                                FacebookSharingUtils facebookSharingUtils = new FacebookSharingUtils(PaymentActivity.this);
                                facebookSharingUtils.execute();
                            }

                        }
                    });
                    finish();
                }
                else{  
                    runOnUiThread(new Runnable() {
                        public void run() {
                            showCcSwipeMessage();
                            infoOnSwipeEditText.setText("");
                            dialog.dismiss();
                        }
                    });
                }
            }
        }).start();
    } 

请指导我解决此问题的最佳方法

Answer 1

我认为这是因为您在进度对话框中使用了上下文。在进度对话框初始化中尝试getBaseContext()或getApplicationContext()。

代替

 dialog = ProgressDialog.show(PaymentActivity.this, "", "Processing Transaction...", true);

尝试

dialog = ProgressDialog.show(getApplicationContext(), "", "Processing Transaction...", true);

或者

 dialog = ProgressDialog.show(getBaseContext(), "", "Processing Transaction...", true);

也这样做

dialog.dismiss();

完成 Activity 之前。