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2014/10/16 ¤W¤È 08:18:29
android Programming Glossary: makesSimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview groupPos null mFragment return null This definitely makes more sense and does not exhibit some of the erratic behavior..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically your adapter. This is a completely legitimate fix This fix makes notifyDataSetChanged behave like a regular Adapter without view..
Understanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean on the back stack Which are the use cases where it makes sense to use this method android fragment share improve this.. on the same backstack. Which are the use cases where it makes sense to use this method Retained fragments can be quite useful..
decompiling DEX into Java sourcecode http://stackoverflow.com/questions/1249973/decompiling-dex-into-java-sourcecode
how to listen for changes in Contact Database http://stackoverflow.com/questions/1401280/how-to-listen-for-changes-in-contact-database
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps that is handled by the map framework itself which probably makes sure not to show any transient state in the info windows. But..
How to scale an Image in ImageView to keep the aspect ratio http://stackoverflow.com/questions/2521959/how-to-scale-an-image-in-imageview-to-keep-the-aspect-ratio android src ... rather than android background ... . src makes it scale the image maintaining aspect ratio but background makes.. it scale the image maintaining aspect ratio but background makes it scale and distort the image to make it fit exactly to the..
How to prevent Custom Views from losing state across screen orientation changes http://stackoverflow.com/questions/3542333/how-to-prevent-custom-views-from-losing-state-across-screen-orientation-changes re created from scratch when the orientation changes. This makes sense although in my case it's inconvenient because the custom.. flags out.writeInt this.stateToSave required field that makes Parcelables from a Parcel public static final Parcelable.Creator..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project third party library then adding it using Build Path which makes it known to Eclipse for compilation purposes . Here is the step..
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw Where this matrix is the identity matrix when applied makes no changes and the numbers range from 0 to 1 floats . This matrix..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object view is being done with the cursor and ListAdapter . This makes it pretty simple but I am not sure how I can put a resized image..
Best practices for unit testing Android apps [closed] http://stackoverflow.com/questions/522312/best-practices-for-unit-testing-android-apps project. Robotium is a really easy to use framework that makes testing of android applications easy and fast. I created it..
Android heap size on different phones/devices and OS versions http://stackoverflow.com/questions/5350465/android-heap-size-on-different-phones-devices-and-os-versions tend to want to manipulate larger bitmaps so Google makes heap size recommendations that hopefully device manufacturers..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment newFragment MyFragment.newInstance The second option makes use of a static method newInstance and generally contains the..
Creating an Android trial application that expires after a fixed time period http://stackoverflow.com/questions/995719/creating-an-android-trial-application-that-expires-after-a-fixed-time-period server does not have an entry for that phone id then it makes a new one and notes the time. If the server does have an entry..
Android UnsatisfiedLinkError with OpenCV 2.4.2 http://stackoverflow.com/questions/11614227/android-unsatisfiedlinkerror-with-opencv-2-4-2 Manager However not too fond of this OpenCV Manager idea. Makes it so the user has to install severally packages manually before..
http://stackoverflow.com/questions/13462952/google-drive-sdk-exception HttpTransport ht AndroidHttp.newCompatibleTransport Makes a transport compatible with both Android 2.2 and 2.3 JacksonFactory..
findViewById() returns null for custom component in layout XML, not for other components http://stackoverflow.com/questions/1691569/findviewbyid-returns-null-for-custom-component-in-layout-xml-not-for-other-co I had super context instead of super context attrs . Makes sense if you don't pass in the attributes such as the id then..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project Includes a Dalvik converted JAR in your Android project. Makes Java definitions available to Eclipse in order to find the third..
How to add a Progress Bar in Webview http://stackoverflow.com/questions/4331094/how-to-add-a-progress-bar-in-webview R.layout.main final Activity MyActivity this Makes Progress bar Visible getWindow .setFeatureInt Window.FEATURE_PROGRESS..
My Android App shows as “this item is not compatible with your device” http://stackoverflow.com/questions/5053507/my-android-app-shows-as-this-item-is-not-compatible-with-your-device that would prevent it from working on my Nexus One. Makes me think it is not showing for others also. Can anyone else..
What is meant by Ems? (Android TextView) http://stackoverflow.com/questions/7053738/what-is-meant-by-ems-android-textview to a TextView . For example in android ems setEms int Makes the TextView be exactly this many ems wide. java android ..
SimpleCursorTreeAdapter and CursorLoader for ExpandableListView http://stackoverflow.com/questions/10611927/simplecursortreeadapter-and-cursorloader-for-expandablelistview null mFragment else mActivity.getLoaderManager .initLoader groupPos null mFragment return null This definitely makes more sense and does not exhibit some of the erratic behavior of a group expanding sometimes and not other times. However..
Android ViewPager - can't update dynamically http://stackoverflow.com/questions/10849552/android-viewpager-cant-update-dynamically the effect of removing and recreating every single item in your adapter. This is a completely legitimate fix This fix makes notifyDataSetChanged behave like a regular Adapter without view recycling. If you implement this fix and performance is..
Understanding Fragment's setRetainInstance(boolean) http://stackoverflow.com/questions/11182180/understanding-fragments-setretaininstanceboolean the user leaves the activity Why doesn't it work with fragments on the back stack Which are the use cases where it makes sense to use this method android fragment share improve this question First of all check out my post on retained Fragments... fragments and non retained fragments were allowed to exist on the same backstack. Which are the use cases where it makes sense to use this method Retained fragments can be quite useful for propagating state information especially thread management..
decompiling DEX into Java sourcecode http://stackoverflow.com/questions/1249973/decompiling-dex-into-java-sourcecode
how to listen for changes in Contact Database http://stackoverflow.com/questions/1401280/how-to-listen-for-changes-in-contact-database
Google maps api v2 custom infowindow like in original android google maps http://stackoverflow.com/questions/14123243/google-maps-api-v2-custom-infowindow-like-in-original-android-google-maps unpressed on the screen. I believe this is something that is handled by the map framework itself which probably makes sure not to show any transient state in the info windows. But I could be wrong I didn't try to find this out. What I did..
How to scale an Image in ImageView to keep the aspect ratio http://stackoverflow.com/questions/2521959/how-to-scale-an-image-in-imageview-to-keep-the-aspect-ratio make sure you're setting the image to the ImageView using android src ... rather than android background ... . src makes it scale the image maintaining aspect ratio but background makes it scale and distort the image to make it fit exactly to.. src ... rather than android background ... . src makes it scale the image maintaining aspect ratio but background makes it scale and distort the image to make it fit exactly to the size of the ImageView. You can use a background and a source..
How to prevent Custom Views from losing state across screen orientation changes http://stackoverflow.com/questions/3542333/how-to-prevent-custom-views-from-losing-state-across-screen-orientation-changes orientation changes. But it seems my custom views are being re created from scratch when the orientation changes. This makes sense although in my case it's inconvenient because the custom view in question is an X Y plot and the plotted points are.. writeToParcel Parcel out int flags super.writeToParcel out flags out.writeInt this.stateToSave required field that makes Parcelables from a Parcel public static final Parcelable.Creator SavedState CREATOR new Parcelable.Creator SavedState public..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project follow the widely available instructions for importing the third party library then adding it using Build Path which makes it known to Eclipse for compilation purposes . Here is the step by step Download the library to your host development system...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue http://stackoverflow.com/questions/4354939/understanding-the-use-of-colormatrix-and-colormatrixcolorfilter-to-modify-a-draw 1 0 0 0 0 red 0 1 0 0 0 green 0 0 1 0 0 blue 0 0 0 1 0 alpha Where this matrix is the identity matrix when applied makes no changes and the numbers range from 0 to 1 floats . This matrix will be multiplied with each pixel to convert to the new..
Strange out of memory issue while loading an image to a Bitmap object http://stackoverflow.com/questions/477572/strange-out-of-memory-issue-while-loading-an-image-to-a-bitmap-object more than an image widget. The image preview on the list view is being done with the cursor and ListAdapter . This makes it pretty simple but I am not sure how I can put a resized image I.e. Smaller bit size not pixel as the src for the image..
Best practices for unit testing Android apps [closed] http://stackoverflow.com/questions/522312/best-practices-for-unit-testing-android-apps try Robotium Go to Robotium.org and download the example test project. Robotium is a really easy to use framework that makes testing of android applications easy and fast. I created it to make testing of advanced android applications possible with..
Android heap size on different phones/devices and OS versions http://stackoverflow.com/questions/5350465/android-heap-size-on-different-phones-devices-and-os-versions to be based more on screen resolution as higher resolution screens tend to want to manipulate larger bitmaps so Google makes heap size recommendations that hopefully device manufacturers will abide by. I've only found articles where people say that..
Getting an issue while checking the dynamically generated checkbox through list view http://stackoverflow.com/questions/7738527/getting-an-issue-while-checking-the-dynamically-generated-checkbox-through-list
Best practice for instantiating a new Android Fragment http://stackoverflow.com/questions/9245408/best-practice-for-instantiating-a-new-android-fragment an application Fragment newFragment new MyFragment and Fragment newFragment MyFragment.newInstance The second option makes use of a static method newInstance and generally contains the following method. public static Fragment newInstance MyFragment..
Creating an Android trial application that expires after a fixed time period http://stackoverflow.com/questions/995719/creating-an-android-trial-application-that-expires-after-a-fixed-time-period app sends the phones unique identifier to the server. If the server does not have an entry for that phone id then it makes a new one and notes the time. If the server does have an entry for the phone id then it does a simple check to see if the..
Android UnsatisfiedLinkError with OpenCV 2.4.2 http://stackoverflow.com/questions/11614227/android-unsatisfiedlinkerror-with-opencv-2-4-2
http://stackoverflow.com/questions/13462952/google-drive-sdk-exception e e.printStackTrace return null private Drive getDriveService HttpTransport ht AndroidHttp.newCompatibleTransport Makes a transport compatible with both Android 2.2 and 2.3 JacksonFactory jf new JacksonFactory You need a JSON parser to help..
findViewById() returns null for custom component in layout XML, not for other components http://stackoverflow.com/questions/1691569/findviewbyid-returns-null-for-custom-component-in-layout-xml-not-for-other-co layout share improve this question Because in the constructor I had super context instead of super context attrs . Makes sense if you don't pass in the attributes such as the id then the view will have no id and therefore not be findable using..
Adding a library/JAR to an Eclipse Android project http://stackoverflow.com/questions/3642928/adding-a-library-jar-to-an-eclipse-android-project use on Android. What you've done here accomplishes two things Includes a Dalvik converted JAR in your Android project. Makes Java definitions available to Eclipse in order to find the third party classes when developing that is compiling your project's..
How to add a Progress Bar in Webview http://stackoverflow.com/questions/4331094/how-to-add-a-progress-bar-in-webview this.getWindow .requestFeature Window.FEATURE_PROGRESS setContentView R.layout.main final Activity MyActivity this Makes Progress bar Visible getWindow .setFeatureInt Window.FEATURE_PROGRESS Window.PROGRESS_VISIBILITY_ON webview WebView findViewById..
My Android App shows as “this item is not compatible with your device” http://stackoverflow.com/questions/5053507/my-android-app-shows-as-this-item-is-not-compatible-with-your-device with your device . Below is my manifest I can't see anything that would prevent it from working on my Nexus One. Makes me think it is not showing for others also. Can anyone else install or see if it is able to be seen Occupied for Kids or..
What is meant by Ems? (Android TextView) http://stackoverflow.com/questions/7053738/what-is-meant-by-ems-android-textview is meant by Ems Android TextView What is meant by Ems related to a TextView . For example in android ems setEms int Makes the TextView be exactly this many ems wide. java android share improve this question Ems is a typography term it controls..
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