Java 通知中的ProgressBar[ANDROID]
我知道有很多关于它的话题。我知道有android开发者网站,即使我使用这个网站的代码,我也会有一个错误 我只想在通知中添加一个进度条。 所以我称之为我从Android开发者网站上获取的方法:Java 通知中的ProgressBar[ANDROID],java,android,multithreading,notifications,Java,Android,Multithreading,Notifications,我知道有很多关于它的话题。我知道有android开发者网站,即使我使用这个网站的代码,我也会有一个错误 我只想在通知中添加一个进度条。 所以我称之为我从Android开发者网站上获取的方法: public static void generateNotification(Context context){ final NotificationManager mNotifyManager =(NotificationManager) context.getSystemService
public static void generateNotification(Context context){
final NotificationManager mNotifyManager =(NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
final Notification.Builder mBuilder = new Notification.Builder(context);
mBuilder.setContentTitle("Picture Download")
.setContentText("Download in progress");
// Start a lengthy operation in a background thread
new Thread(
new Runnable() {
@Override
public void run() {
int incr;
for (incr = 0; incr <= 100; incr+=5) {
mBuilder.setProgress(100, incr, false);
mNotifyManager.notify(0, mBuilder.build());
try {
Thread.sleep(5*1000);
} catch (InterruptedException e) {
Log.d("Generate Notif", "sleep failure");
}
}
// When the loop is finished, updates the notification
mBuilder.setContentText("Download complete")
.setProgress(0,0,false);
mNotifyManager.notify(100, mBuilder.build());
}
}
// Starts the thread by calling the run() method in its Runnable
).start();
}
这是:
E/WindowManager(9840): Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238 that was originally added here
E/WindowManager(9840): android.view.WindowLeaked: Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238 that was originally added here
E/WindowManager(9840): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840): at android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840): at android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840): at com.main.LoginConnection.getRegisterId(LoginConnection.java:281)
E/WindowManager(9840): at com.main.LoginConnection.onCreate(LoginConnection.java:101)
E/WindowManager(9840): at android.app.Activity.performCreate(Activity.java:4465)
E/WindowManager(9840): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
E/WindowManager(9840): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
E/WindowManager(9840): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
E/WindowManager(9840): at android.app.ActivityThread.access$600(ActivityThread.java:123)
E/WindowManager(9840): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
E/WindowManager(9840): at android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840): at android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(9840): at java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840): at dalvik.system.NativeStart.main(Native Method)
E/WindowManager(9840): Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188 that was originally added here
E/WindowManager(9840): android.view.WindowLeaked: Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188 that was originally added here
E/WindowManager(9840): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840): at android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840): at android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840): at com.Tools.UtilClass.openSettingApp(UtilClass.java:557)
E/WindowManager(9840): at com.Tools.UtilClass$4.onClick(UtilClass.java:383)
E/WindowManager(9840): at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)
E/WindowManager(9840): at android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840): at android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(9840): at java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840): at dalvik.system.NativeStart.main(Native Method)
E/WindowManager(9840):活动com.main.LoginConnection已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238原来是加在这里的
E/WindowManager(9840):android.view.WindowLeaked:Activity com.main.LoginConnection已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238原来是加在这里的
E/WindowManager(9840):位于android.view.ViewRootImpl(ViewRootImpl.java:344)
E/WindowManager(9840):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840):位于android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840):位于android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840):位于android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840):位于com.main.LoginConnection.getRegisterId(LoginConnection.java:281)
E/WindowManager(9840):位于com.main.LoginConnection.onCreate(LoginConnection.java:101)
E/WindowManager(9840):位于android.app.Activity.performCreate(Activity.java:4465)
E/WindowManager(9840):位于android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
E/WindowManager(9840):位于android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
E/WindowManager(9840):位于android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
E/WindowManager(9840):在android.app.ActivityThread.access$600(ActivityThread.java:123)
E/WindowManager(9840):位于android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
E/WindowManager(9840):位于android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840):位于android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840):位于android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840):位于java.lang.reflect.Method.Invokenactive(本机方法)
E/WindowManager(9840):位于java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840):位于com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840):位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840):位于dalvik.system.NativeStart.main(本机方法)
E/WindowManager(9840):活动com.main.LoginConnection已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188原来是加在这里的
E/WindowManager(9840):android.view.WindowLeaked:Activity com.main.LoginConnection已泄漏window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188原来是加在这里的
E/WindowManager(9840):位于android.view.ViewRootImpl(ViewRootImpl.java:344)
E/WindowManager(9840):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840):位于android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840):位于android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840):位于android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840):位于com.Tools.UtilClass.openSettingApp(UtilClass.java:557)
E/WindowManager(9840):位于com.Tools.UtilClass$4.onClick(UtilClass.java:383)
E/WindowManager(9840):位于com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)
E/WindowManager(9840):位于android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840):位于android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840):位于android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840):位于java.lang.reflect.Method.Invokenactive(本机方法)
E/WindowManager(9840):位于java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840):位于com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840):位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840):位于dalvik.system.NativeStart.main(本机方法)
所以我不明白为什么会出现这个错误…首先,我建议使用
NotificationCompat.Builder
,而不仅仅是Notification.Builder
——这可能是您遇到的第一个问题(是否忽略警告?)。您将需要应用程序compat v7和支持v4库
其次,你不会看到通知。通知需要以下内容才能实际发布:
setContentIntent(pendingent.getActivity(context,0,new Intent(),pendingent.FLAG_ONE_SHOT))
和一个小图标setSmallIcon(android.R.drawable.ic_notification_clear_all
,然后您就可以发布它了
通过进行这些修改,您的代码对我有效。您还有一些其他问题,特别是在完成后,您的下载通知不会被删除,但这很简单,只需将notify(100
调用更改为notify即可(0
,您在那里传递的数字是通知id,因此如果要替换进度id,则它们需要匹配
我没有修复您的内存泄漏,这是一个没有挂起线程中的活动上下文的问题。我喜欢NOtificationCompat.Builder,但如果我输入此代码,我在setProgress方法上会出现错误“此方法未定义…”。因此,如果我在ANdro上使用此代码,该怎么办
E/WindowManager(9840): Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238 that was originally added here
E/WindowManager(9840): android.view.WindowLeaked: Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@410c2238 that was originally added here
E/WindowManager(9840): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840): at android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840): at android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840): at com.main.LoginConnection.getRegisterId(LoginConnection.java:281)
E/WindowManager(9840): at com.main.LoginConnection.onCreate(LoginConnection.java:101)
E/WindowManager(9840): at android.app.Activity.performCreate(Activity.java:4465)
E/WindowManager(9840): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
E/WindowManager(9840): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
E/WindowManager(9840): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
E/WindowManager(9840): at android.app.ActivityThread.access$600(ActivityThread.java:123)
E/WindowManager(9840): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
E/WindowManager(9840): at android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840): at android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(9840): at java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840): at dalvik.system.NativeStart.main(Native Method)
E/WindowManager(9840): Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188 that was originally added here
E/WindowManager(9840): android.view.WindowLeaked: Activity com.main.LoginConnection has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41162188 that was originally added here
E/WindowManager(9840): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267)
E/WindowManager(9840): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
E/WindowManager(9840): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
E/WindowManager(9840): at android.view.Window$LocalWindowManager.addView(Window.java:537)
E/WindowManager(9840): at android.app.Dialog.show(Dialog.java:278)
E/WindowManager(9840): at com.Tools.UtilClass.openSettingApp(UtilClass.java:557)
E/WindowManager(9840): at com.Tools.UtilClass$4.onClick(UtilClass.java:383)
E/WindowManager(9840): at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)
E/WindowManager(9840): at android.os.Handler.dispatchMessage(Handler.java:99)
E/WindowManager(9840): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(9840): at android.app.ActivityThread.main(ActivityThread.java:4424)
E/WindowManager(9840): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(9840): at java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
E/WindowManager(9840): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
E/WindowManager(9840): at dalvik.system.NativeStart.main(Native Method)