2014/10/16 上午 08:13:08
android Programming Glossary: ensureAndroid ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically the view to the container given here although it only must ensure this is done by the time it returns from finishUpdate ViewGroup..
Close/hide the Android Soft Keyboard http://stackoverflow.com/questions/1109022/close-hide-the-android-soft-keyboard as the second parameter to ensure you only hide the keyboard when the user didn't explicitly force..
App is misconfigured for Facebook login : Android Facebook integration issue http://stackoverflow.com/questions/12382558/app-is-misconfigured-for-facebook-login-android-facebook-integration-issue is always advised to implement Facebook SSO correctly to ensure that your app is secure and protect your user's sensitive data...
How to create a file in Android? http://stackoverflow.com/questions/1239026/how-to-create-a-file-in-android fOut Write the string to the file osw.write TESTSTRING ensure that everything is really written out and close osw.flush osw.close..
Google Maps Android API v2 Authorization failure http://stackoverflow.com/questions/13696620/google-maps-android-api-v2-authorization-failure you do for build project without any problem. Steps to ensure that device has Google Play services APK to install Google Play..
How to make a phone call in android and come back to my activity when the call is done? http://stackoverflow.com/questions/1556987/how-to-make-a-phone-call-in-android-and-come-back-to-my-activity-when-the-call-i state. you may need to run the listener in a service to ensure it stays up and your app is restarted. some example code EndCallListener..
ClassNotFoundException after ADT update http://stackoverflow.com/questions/16610190/classnotfoundexception-after-adt-update to Project Properties Java Build Path Order Export and ensure Android Private Libraries are checked for your project and for..
How to read contacts on Android 2.0 http://stackoverflow.com/questions/1721279/how-to-read-contacts-on-android-2-0 contacts android 2.0 share improve this question First ensure that you have added uses permission android name android.permission.READ_CONTACTS..
Inner class can access but not update values - AsyncTask http://stackoverflow.com/questions/18517400/inner-class-can-access-but-not-update-values-asynctask remain null to Unzip and all its objects. How can I ensure that the values remain updated 2. I know that doInBackground.. android asynctask share improve this question How can I ensure that the values remain updated They will be updated since they..
How to use 3G Connection in Android Application instead of Wi-fi? http://stackoverflow.com/questions/2513713/how-to-use-3g-connection-in-android-application-instead-of-wi-fi up. I think this is a good model to follow it will ensure that your app is not being ran over WiFi and allows the user..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android that you should be targeting. And if you cannot reliably ensure that your app will live within that budget then at least make..
How can I use the paid version of my app as a “key” to the free version? http://stackoverflow.com/questions/3062946/how-can-i-use-the-paid-version-of-my-app-as-a-key-to-the-free-version key share improve this question Use PackageManager to ensure your paid package is installed. AND ensure your free package.. to ensure your paid package is installed. AND ensure your free package signature matches installed premium package..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget temporarily hide both secure and non secure keyguards but ensure they reappear when the user moves to another UI that doesn't..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser a item starting tag we set the inItem flag to true to ensure that we map the correct data to the correct object and in the..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file Export Wizard uses both Keytool and Jarsigner you should ensure that they are accessible on your computer as described above..
How do I make an http request using cookies on Android? http://stackoverflow.com/questions/678630/how-do-i-make-an-http-request-using-cookies-on-android is no longer needed shut down the connection manager to ensure immediate deallocation of all system resources httpclient.getConnectionManager..
Google map signed api key errors in Android http://stackoverflow.com/questions/7296467/google-map-signed-api-key-errors-in-android Exception 26 as a warning just ignore it. Note Also ensure there are no duplicate instances of the same MapView. If your..
Using AsyncTask to load Images in ListView http://stackoverflow.com/questions/7729133/using-asynctask-to-load-images-in-listview the path in the constructor and not in doInBackground to ensure that we don't run into multi threading problems. Then at onPostExecute..
ActionBarSherlock library is full of errors after being imported http://stackoverflow.com/questions/11165700/actionbarsherlock-library-is-full-of-errors-after-being-imported Go to Project Properties Java Compiler. Use JDK 1.6. Ensure you're compiling both the library and your app with Android.. compiling both the library and your app with Android 4.0 Ensure your targetSdkVersion is 14 or higher. share improve this..
How to include and use ZXing Library in Android with eclipse? http://stackoverflow.com/questions/1276635/how-to-include-and-use-zxing-library-in-android-with-eclipse tree. Do not select src. core android integration android Ensure that your android sdk version is 9 anything lesser and androidmanifest.xml..
Force overflow menu in ActionBarSherlock http://stackoverflow.com/questions/13179620/force-overflow-menu-in-actionbarsherlock respecting bounds when used as a stacked background. Fix Ensure fragments collection is present before dispatching events. Fix.. searches the correct context for the declared method. Fix Ensure action mode start finish callbacks are invoked on the activity.. transaction instance for any FragmentActivity. Fix Ensure CollapsibleActionView callbacks are dispatched in both native..
Android Studio: Add jar as library? http://stackoverflow.com/questions/16608135/android-studio-add-jar-as-library the libs folder Right click it and hit 'Add as library' Ensure that compile files 'libs gson 2.2.4.jar' is in your build.gradle..
Android OutOfMemoryError : bitmap size exceeds VM budget http://stackoverflow.com/questions/3324010/android-outofmemoryerror-bitmap-size-exceeds-vm-budget problem. Thanks android share improve this question Ensure two things 1. Make sure you are not leaking memory. More info..
How do I prevent an Android device from going to sleep programmatically? http://stackoverflow.com/questions/3723634/how-do-i-prevent-an-android-device-from-going-to-sleep-programmatically that some caution needs to be taken when using wakelocks. Ensure that you always release the lock when you're done with it or..
ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found http://stackoverflow.com/questions/4249695/adt-requires-org-eclipse-wst-sse-core-0-0-0-but-it-could-not-be-found Software... Click the link for Available Software Sites. Ensure there is an update site named Helios. If this is not present..
Android 2.2: Adjusting screen brightness http://stackoverflow.com/questions/4621490/android-2-2-adjusting-screen-brightness set 50 brightness getWindow .setAttributes layoutParams Ensure the value is between 0.0F and 1.0F. A value of 1.0F uses the..
Checkbox auto call onCheckedChange when listview scroll? http://stackoverflow.com/questions/6100518/checkbox-auto-call-oncheckedchange-when-listview-scroll is checked in the getView class. So add a check like Ensure no other setOnCheckedChangeListener is attached before you manually..
Modifying the Android seekbar widget to operate vertically http://stackoverflow.com/questions/631238/modifying-the-android-seekbar-widget-to-operate-vertically event int progress getMax int getMax event.getY getHeight Ensure progress stays within boundaries of the seekbar if progress..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken copy it. Then delete it File f new File c.getString 2 Ensure it's there check size and delete if f.exists CurrentFile.length..
Android onConfigurationChanged not being called http://stackoverflow.com/questions/6457659/android-onconfigurationchanged-not-being-called this question onConfigurationChanged not getting called Ensure that you are not calling setRequestedOrientation ActivityInfo.SCREEN_ORIENTATION_PORTRAIT..
Usage CursorLoader without ContentProvider http://stackoverflow.com/questions/7182485/usage-cursorloader-without-contentprovider @Override protected void onReset super.onReset Ensure the loader is stopped onStopLoading if mCursor null mCursor.isClosed..
Implementing OBEX PUSH Server on Android 2.3 http://stackoverflow.com/questions/7662682/implementing-obex-push-server-on-android-2-3 try Read all bytes passed in bytes mmInStream.read buffer Ensure we have the entire packet before we proceed Packet length is..
How to handle Handler messages when activity/fragment is paused http://stackoverflow.com/questions/8040280/how-to-handle-handler-messages-when-activity-fragment-is-paused when an activity is paused and plays them back on resume. Ensure any code that you have which asynchronously changes a fragment..
Stop saving photos using Android native camera http://stackoverflow.com/questions/8078892/stop-saving-photos-using-android-native-camera copy it. Then delete it File f new File c.getString 2 Ensure it's there check size and delete if f.exists CurrentFile.length..
How can I add a “Library Project” in IntelliJ IDEA? http://stackoverflow.com/questions/8884662/how-can-i-add-a-library-project-in-intellij-idea to create a new IDEA module from the existing source code. Ensure that Android facet is enabled for this module in the facet settings..
Android: How to turn screen on and off programmatically? http://stackoverflow.com/questions/9561320/android-how-to-turn-screen-on-and-off-programmatically you the current LayoutParams that have been set for it. Ensure the value you think is actually there. And again FLAG_KEEP_SCREEN_ON..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically the given position. The adapter is responsible for adding the view to the container given here although it only must ensure this is done by the time it returns from finishUpdate ViewGroup . Parameters container The containing View in which the..
Close/hide the Android Soft Keyboard http://stackoverflow.com/questions/1109022/close-hide-the-android-soft-keyboard situations. In some cases you will want to pass in InputMethodManager.HIDE_IMPLICIT_ONLY as the second parameter to ensure you only hide the keyboard when the user didn't explicitly force it to appear by holding down menu . share improve this..
App is misconfigured for Facebook login : Android Facebook integration issue http://stackoverflow.com/questions/12382558/app-is-misconfigured-for-facebook-login-android-facebook-integration-issue dialog. Malicious apps can then steal this info easily. It is always advised to implement Facebook SSO correctly to ensure that your app is secure and protect your user's sensitive data. Prior to adding this error message the dialog would automatically..
How to create a file in Android? http://stackoverflow.com/questions/1239026/how-to-create-a-file-in-android OutputStreamWriter osw new OutputStreamWriter fOut Write the string to the file osw.write TESTSTRING ensure that everything is really written out and close osw.flush osw.close Reading the file back... We have to use the openFileInput..
Google Maps Android API v2 Authorization failure http://stackoverflow.com/questions/13696620/google-maps-android-api-v2-authorization-failure Okay. I'm ready to explain what was wrong and what should you do for build project without any problem. Steps to ensure that device has Google Play services APK to install Google Play Service rev. more than 2 to create project at https code.google.com..
How to make a phone call in android and come back to my activity when the call is done? http://stackoverflow.com/questions/1556987/how-to-make-a-phone-call-in-android-and-come-back-to-my-activity-when-the-call-i and then write some code to bring your app back up on the IDLE state. you may need to run the listener in a service to ensure it stays up and your app is restarted. some example code EndCallListener callListener new EndCallListener TelephonyManager..
ClassNotFoundException after ADT update http://stackoverflow.com/questions/16610190/classnotfoundexception-after-adt-update android eclipse adt share improve this question Try going to Project Properties Java Build Path Order Export and ensure Android Private Libraries are checked for your project and for all other library projects you are using. Clean all projects..
How to read contacts on Android 2.0 http://stackoverflow.com/questions/1721279/how-to-read-contacts-on-android-2-0 . Anyone knows where to find such an example android contacts android 2.0 share improve this question First ensure that you have added uses permission android name android.permission.READ_CONTACTS to your AndroidManifest.xml file then..
Inner class can access but not update values - AsyncTask http://stackoverflow.com/questions/18517400/inner-class-can-access-but-not-update-values-asynctask 1. The value of unzipDest and index updated in doInBackground remain null to Unzip and all its objects. How can I ensure that the values remain updated 2. I know that doInBackground occurs in a thread separate from the main UI thread. Does that.. lost once that thread returns java android multithreading android asynctask share improve this question How can I ensure that the values remain updated They will be updated since they are member variables. However since AsyncTask is asynchrounous..
How to use 3G Connection in Android Application instead of Wi-fi? http://stackoverflow.com/questions/2513713/how-to-use-3g-connection-in-android-application-instead-of-wi-fi app turns off your WiFi connection and then continues with starting up. I think this is a good model to follow it will ensure that your app is not being ran over WiFi and allows the user to decide if they want to turn off WiFi or not. An improvement..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android much higher than the 16MB that getMemoryClass is telling you that you should be targeting. And if you cannot reliably ensure that your app will live within that budget then at least make sure that onStop onResume works seamlessly. getMemoryClass..
How can I use the paid version of my app as a “key” to the free version? http://stackoverflow.com/questions/3062946/how-can-i-use-the-paid-version-of-my-app-as-a-key-to-the-free-version unlocked . What's the best approach to doing this android key share improve this question Use PackageManager to ensure your paid package is installed. AND ensure your free package signature matches installed premium package signature. Otherwise.. this android key share improve this question Use PackageManager to ensure your paid package is installed. AND ensure your free package signature matches installed premium package signature. Otherwise somebody would be able to install unsigned..
http://stackoverflow.com/questions/4116001/android-lock-screen-widget window in contrast to FLAG_SHOW_WHEN_LOCKED which will only temporarily hide both secure and non secure keyguards but ensure they reappear when the user moves to another UI that doesn't hide them . If the keyguard is currently active and is secure..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser the XML structure we are at the moment. That is if we encounter a item starting tag we set the inItem flag to true to ensure that we map the correct data to the correct object and in the endElement method we set that flag to false if we encounter..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file will also perfom package alignment with zipalign. Because the Export Wizard uses both Keytool and Jarsigner you should ensure that they are accessible on your computer as described above in the Basic Setup for Signing. To create a signed and aligned..
How do I make an http request using cookies on Android? http://stackoverflow.com/questions/678630/how-do-i-make-an-http-request-using-cookies-on-android
Google map signed api key errors in Android http://stackoverflow.com/questions/7296467/google-map-signed-api-key-errors-in-android the app from Eclise you will get a Server returned 3 IOProcessing Exception 26 as a warning just ignore it. Note Also ensure there are no duplicate instances of the same MapView. If your app needs x no. of MapView s generate x no. of new signed..
Using AsyncTask to load Images in ListView http://stackoverflow.com/questions/7729133/using-asynctask-to-load-images-in-listview image path in LoadImage constructor. It is important to save the path in the constructor and not in doInBackground to ensure that we don't run into multi threading problems. Then at onPostExecute we check the current path. class LoadImage extends..
ActionBarSherlock library is full of errors after being imported http://stackoverflow.com/questions/11165700/actionbarsherlock-library-is-full-of-errors-after-being-imported android actionbar share improve this question Go to Project Properties Java Compiler. Use JDK 1.6. Ensure you're compiling both the library and your app with Android 4.0 Ensure your targetSdkVersion is 14 or higher. share improve..
How to include and use ZXing Library in Android with eclipse? http://stackoverflow.com/questions/1276635/how-to-include-and-use-zxing-library-in-android-with-eclipse that you select only the 𦣇om directory on the left directory tree. Do not select src. core android integration android Ensure that your android sdk version is 9 anything lesser and androidmanifest.xml will cry. Strings.xml in one of the languages..
Force overflow menu in ActionBarSherlock http://stackoverflow.com/questions/13179620/force-overflow-menu-in-actionbarsherlock thread. Fix Automatically correct ColorDrawable not respecting bounds when used as a stacked background. Fix Ensure fragments collection is present before dispatching events. Fix XML defined onClick searches the correct context for the.. present before dispatching events. Fix XML defined onClick searches the correct context for the declared method. Fix Ensure action mode start finish callbacks are invoked on the activity for the native action bar. Fix Allow tab callbacks to have.. the native action bar. Fix Allow tab callbacks to have a fragment transaction instance for any FragmentActivity. Fix Ensure CollapsibleActionView callbacks are dispatched in both native and compatbility action bars. Fix Remove .ForceOverflow themes...
Android Studio: Add jar as library? http://stackoverflow.com/questions/16608135/android-studio-add-jar-as-library steps I took Put the Gson jar in my case gson 2.2.4.jar into the libs folder Right click it and hit 'Add as library' Ensure that compile files 'libs gson 2.2.4.jar' is in your build.gradle file Do a clean build you can probably do this fine in..
Android OutOfMemoryError : bitmap size exceeds VM budget http://stackoverflow.com/questions/3324010/android-outofmemoryerror-bitmap-size-exceeds-vm-budget How can i resolve this problem any one please solve this problem. Thanks android share improve this question Ensure two things 1. Make sure you are not leaking memory. More info here http android developers.blogspot.com 2009 01 avoiding..
How do I prevent an Android device from going to sleep programmatically? http://stackoverflow.com/questions/3723634/how-do-i-prevent-an-android-device-from-going-to-sleep-programmatically that describes the different kinds of wakelocks. Be aware that some caution needs to be taken when using wakelocks. Ensure that you always release the lock when you're done with it or not in the foreground . Otherwise your app can potentially..
ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found http://stackoverflow.com/questions/4249695/adt-requires-org-eclipse-wst-sse-core-0-0-0-but-it-could-not-be-found instructions. Eclipse 3.6 Helios Select Help Install New Software... Click the link for Available Software Sites. Ensure there is an update site named Helios. If this is not present click Add... and enter http download.eclipse.org releases helios..
Android 2.2: Adjusting screen brightness http://stackoverflow.com/questions/4621490/android-2-2-adjusting-screen-brightness getWindow .getAttributes layoutParams.screenBrightness 0.5F set 50 brightness getWindow .setAttributes layoutParams Ensure the value is between 0.0F and 1.0F. A value of 1.0F uses the default brightness stored in the preferences. Per the documentation..
Checkbox auto call onCheckedChange when listview scroll? http://stackoverflow.com/questions/6100518/checkbox-auto-call-oncheckedchange-when-listview-scroll you will need to explicitly set whether or not the CheckBox is checked in the getView class. So add a check like Ensure no other setOnCheckedChangeListener is attached before you manually change its state. mViewHolder.checkbox.setOnCheckedChangeListener..
Modifying the Android seekbar widget to operate vertically http://stackoverflow.com/questions/631238/modifying-the-android-seekbar-widget-to-operate-vertically super seems to help fix drawing problems super.onTouchEvent event int progress getMax int getMax event.getY getHeight Ensure progress stays within boundaries of the seekbar if progress 0 progress 0 if progress getMax progress getMax Draw progress..
Deleting a gallery image after camera intent photo taken http://stackoverflow.com/questions/6390163/deleting-a-gallery-image-after-camera-intent-photo-taken if bFound This is the NEW image. If the size is bigger copy it. Then delete it File f new File c.getString 2 Ensure it's there check size and delete if f.exists CurrentFile.length c.getLong 0 CurrentFile.delete Finally we can stop the..
Android onConfigurationChanged not being called http://stackoverflow.com/questions/6457659/android-onconfigurationchanged-not-being-called this question This is sort of a compilation of answers from this question onConfigurationChanged not getting called Ensure that you are not calling setRequestedOrientation ActivityInfo.SCREEN_ORIENTATION_PORTRAIT anywhere. This will cause onConfigurationChange..
Usage CursorLoader without ContentProvider http://stackoverflow.com/questions/7182485/usage-cursorloader-without-contentprovider onCanceled Cursor cursor if cursor null cursor.isClosed cursor.close @Override protected void onReset super.onReset Ensure the loader is stopped onStopLoading if mCursor null mCursor.isClosed mCursor.close mCursor null It only needs the AsyncTaskLoader..
Implementing OBEX PUSH Server on Android 2.3 http://stackoverflow.com/questions/7662682/implementing-obex-push-server-on-android-2-3 stream Note OBEXUtils and OBEXConstants are my classes. try Read all bytes passed in bytes mmInStream.read buffer Ensure we have the entire packet before we proceed Packet length is in the 1st and 2nd byte expectedLength OBEXUtils.bytesToShort..
How to handle Handler messages when activity/fragment is paused http://stackoverflow.com/questions/8040280/how-to-handle-handler-messages-when-activity-fragment-is-paused a wrapper around android.os.Handler that buffers up messages when an activity is paused and plays them back on resume. Ensure any code that you have which asynchronously changes a fragment state e.g. commit dismiss is only called from a message in..
Stop saving photos using Android native camera http://stackoverflow.com/questions/8078892/stop-saving-photos-using-android-native-camera gallery This is the NEW image. If the size is bigger copy it. Then delete it File f new File c.getString 2 Ensure it's there check size and delete if f.exists CurrentFile.length c.getLong 0 CurrentFile.delete Finally we can stop..
How can I add a “Library Project” in IntelliJ IDEA? http://stackoverflow.com/questions/8884662/how-can-i-add-a-library-project-in-intellij-idea intellij idea share improve this question You need to create a new IDEA module from the existing source code. Ensure that Android facet is enabled for this module in the facet settings you need to enable Is Library Project option. Then add..
Android: How to turn screen on and off programmatically? http://stackoverflow.com/questions/9561320/android-how-to-turn-screen-on-and-off-programmatically state of your window. In the data for your window it will tell you the current LayoutParams that have been set for it. Ensure the value you think is actually there. And again FLAG_KEEP_SCREEN_ON is a separate concept it and the brightness have no..
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