How to prevent recreate activity when screen is locked?
Hi, On android 2.2 i've a problem, but on Android 4 doesn't.
When i lock the screen...or screen is turned off/on the Activity_Create is fired and i get the follow error, also, i lost all data entered on this activity (form).
I know this is because the activity is destroyed and need to be recreated. Recreate isn't a problem, the problem is that i lost all data. How can i prevent this?
ALSO, Can i Catch the power or lock screen button?
please help :sign0148:
This is mi manifest file
Hi, On android 2.2 i've a problem, but on Android 4 doesn't.
When i lock the screen...or screen is turned off/on the Activity_Create is fired and i get the follow error, also, i lost all data entered on this activity (form).
I know this is because the activity is destroyed and need to be recreated. Recreate isn't a problem, the problem is that i lost all data. How can i prevent this?
ALSO, Can i Catch the power or lock screen button?
please help :sign0148:
B4X:
** Activity (main) Pause, UserClosed = false **
** Activity (editor) Create, isFirst = true **
** Activity (editor) Resume **
** Activity (editor) Pause, UserClosed = false **
** Activity (editor) Create, isFirst = false **
editor_activity_create (B4A line: 57)
lblCentralName.Text = Main.strSubEstacion
java.lang.RuntimeException: Object should first be initialized (Label).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:45)
at anywheresoftware.b4a.objects.TextViewWrapper.setText(TextViewWrapper.java:38)
at gruposaesa.orlando.gendrive.editor._activity_create(editor.java:284)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at gruposaesa.orlando.gendrive.editor.afterFirstLayout(editor.java:84)
at gruposaesa.orlando.gendrive.editor.access$100(editor.java:16)
at gruposaesa.orlando.gendrive.editor$WaitForLayout.run(editor.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: Object should first be initialized (Label).
** Activity (editor) Resume **
editor_activity_resume (B4A line: 136)
lblCentralName.Text = Main.strSubEstacion
java.lang.RuntimeException: Object should first be initialized (Label).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:45)
at anywheresoftware.b4a.objects.TextViewWrapper.setText(TextViewWrapper.java:38)
at gruposaesa.orlando.gendrive.editor._activity_resume(editor.java:373)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:149)
at gruposaesa.orlando.gendrive.editor$ResumeMessage.run(editor.java:210)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at anywheresoftware.b4a.Msgbox.waitForMessage(Msgbox.java:211)
at anywheresoftware.b4a.Msgbox.msgbox(Msgbox.java:136)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:202)
at gruposaesa.orlando.gendrive.editor.afterFirstLayout(editor.java:84)
at gruposaesa.orlando.gendrive.editor.access$100(editor.java:16)
at gruposaesa.orlando.gendrive.editor$WaitForLayout.run(editor.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: Object should first be initialized (Label).
** Activity (editor) Pause, UserClosed = false **
** Activity (editor) Create, isFirst = false **
editor_activity_create (B4A line: 57)
lblCentralName.Text = Main.strSubEstacion
java.lang.RuntimeException: Object should first be initialized (Label).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:45)
at anywheresoftware.b4a.objects.TextViewWrapper.setText(TextViewWrapper.java:38)
at gruposaesa.orlando.gendrive.editor._activity_create(editor.java:284)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at gruposaesa.orlando.gendrive.editor.afterFirstLayout(editor.java:84)
at gruposaesa.orlando.gendrive.editor.access$100(editor.java:16)
at gruposaesa.orlando.gendrive.editor$WaitForLayout.run(editor.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: Object should first be initialized (Label).
** Activity (editor) Pause, UserClosed = false **
** Activity (editor) Create, isFirst = false **
editor_activity_create (B4A line: 57)
lblCentralName.Text = Main.strSubEstacion
java.lang.RuntimeException: Object should first be initialized (Label).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:45)
at anywheresoftware.b4a.objects.TextViewWrapper.setText(TextViewWrapper.java:38)
at gruposaesa.orlando.gendrive.editor._activity_create(editor.java:284)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at gruposaesa.orlando.gendrive.editor.afterFirstLayout(editor.java:84)
at gruposaesa.orlando.gendrive.editor.access$100(editor.java:16)
at gruposaesa.orlando.gendrive.editor$WaitForLayout.run(editor.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: Object should first be initialized (Label).
** Activity (editor) Pause, UserClosed = false **
** Activity (editor) Create, isFirst = false **
editor_activity_create (B4A line: 57)
lblCentralName.Text = Main.strSubEstacion
java.lang.RuntimeException: Object should first be initialized (Label).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:45)
at anywheresoftware.b4a.objects.TextViewWrapper.setText(TextViewWrapper.java:38)
at gruposaesa.orlando.gendrive.editor._activity_create(editor.java:284)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:165)
at gruposaesa.orlando.gendrive.editor.afterFirstLayout(editor.java:84)
at gruposaesa.orlando.gendrive.editor.access$100(editor.java:16)
at gruposaesa.orlando.gendrive.editor$WaitForLayout.run(editor.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4627)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
at dalvik.system.NativeStart.main(Native Method)
java.lang.RuntimeException: Object should first be initialized (Label).
This is mi manifest file
B4X:
AddManifestText(
<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="15"/>
<supports-screens android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:configChanges="orientation|keyboard|keyboardHidden|screenLayout|uiMode|screenSize|"
android:anyDensity="true"/>
<uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.SET_WALLPAPER" />
<uses-permission android:name="android.permission.SET_WALLPAPER_HINTS"/>
<uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
)
AddActivityText(main,
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.HOME" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
<category android:name="android.intent.category.CLOCK" />
</intent-filter>
)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
Last edited: