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2014/10/16 ¤W¤È 08:26:47
android Programming Glossary: trickJelly Bean DatePickerDialog — is there a way to cancel? http://stackoverflow.com/questions/11444238/jelly-bean-datepickerdialog-is-there-a-way-to-cancel mCallBack callBack ... rest of the constructor. So the trick is to provide a null listener to be stored as the listener and..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works get increase even you scroll through the list this is the trick android use so that listview work more effcient and fast Now.. ListView framework how it works as it is really messy and tricky so beginners found too much problem understanding it share..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project from the external JAR is missing in runtime. Is there a trick to properly include the needed classes from an external JAR..
How to avoid reverse engineering of an APK file? http://stackoverflow.com/questions/13854425/how-to-avoid-reverse-engineering-of-an-apk-file of an Android APK Is this possible AFAIK there is not any trick for complete avoidance of reverse engineering. And also very.. can't hack the APK file in any way You can do different tricks to make hacking harder though. For example use obfuscation..
How do I restart an Android Activity http://stackoverflow.com/questions/1397361/how-do-i-restart-an-android-activity this activity was started with. That seems to do the trick UPDATE As pointed out by Ralf below Activity.recreate is the..
HTML5 <video> element on Android http://stackoverflow.com/questions/1711078/html5-video-element-on-android with the 'Web Optimized' button checked usually does the trick. Have a look at the demo on this page http broken links.com..
How to fire onListItemClick in Listactivity with buttons in list? http://stackoverflow.com/questions/1821871/how-to-fire-onlistitemclick-in-listactivity-with-buttons-in-list overriding getView method from your custom adapter. The trick is to set the different listeners for your button and different..
How to layout text to flow around an image http://stackoverflow.com/questions/2248759/how-to-layout-text-to-flow-around-an-image API level 8 sNewClassAvailable true Also you can use this trick if you don't know the exact version try Class.forName android.text.style.LeadingMarginSpan..
How do I get the web page contents from a WebView? http://stackoverflow.com/questions/2376471/how-do-i-get-the-web-page-contents-from-a-webview a cut and paste from the site. It seems to do the trick. final Context myApp this An instance of this class will be..
Android Camera without Preview http://stackoverflow.com/questions/2386025/android-camera-without-preview preview surface not camera frame size. of course such trick does not eliminate unwanted data streaming for preview which..
Android: new Intent() starts new instance with android:launchMode=“singleTop” http://stackoverflow.com/questions/2424488/android-new-intent-starts-new-instance-with-androidlaunchmode-singletop intent share improve this question This should do the trick. activity ... android launchMode singleTop When you create an..
Foreign key constraints in Android using SQLite? on Delete cascade http://stackoverflow.com/questions/2545558/foreign-key-constraints-in-android-using-sqlite-on-delete-cascade the following to my SQLOpenHelper which seems to do the trick. @Override public void onOpen SQLiteDatabase db super.onOpen..
Can a videoview play a video stored on internal storage? http://stackoverflow.com/questions/3038474/can-a-videoview-play-a-video-stored-on-internal-storage under the applicationcontext.getFilesDir . Is there a trick to setting a videoview's content to such a file Can a ContentResolver..
Android - Load PDF / PDF Viewer http://stackoverflow.com/questions/4468621/android-load-pdf-pdf-viewer this question Finally i got a solution actually i made a trick to load a pdf file using Google Docs inside a webview webview.loadUrl..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview the GridView yourself. But it would be easier if you could trick the GridView into doing it for you. Now you must keep in mind..
Custom notification layouts and text colors http://stackoverflow.com/questions/4867338/custom-notification-layouts-and-text-colors fine with API 9. Here's the solution for older API The trick is to create the standard notification object and then traverse..
How to play a video in a webview with android? http://stackoverflow.com/questions/4989738/how-to-play-a-video-in-a-webview-with-android own frame within the webpage. But this solution did the trick for me I hope for you too. Regards share improve this answer..
how to display map in android with marker http://stackoverflow.com/questions/6140433/how-to-display-map-in-android-with-marker and later updating position with setLayoutParams does the trick. private ImageView mCurrentPointer @Override public void onLocationChanged..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard xml for the layout containing the editText's. This did the trick LinearLayout android layout_width fill_parent android layout_height..
http://stackoverflow.com/questions/7947165/admob-implementation-error target android 13 The configuration above alone does the trick. There are no changes required to the uses sdk element in the..
Jelly Bean DatePickerDialog — is there a way to cancel? http://stackoverflow.com/questions/11444238/jelly-bean-datepickerdialog-is-there-a-way-to-cancel int year int monthOfYear int dayOfMonth super context theme mCallBack callBack ... rest of the constructor. So the trick is to provide a null listener to be stored as the listener and then roll your own set of buttons below is the original code..
How ListView's recycling mechanism works http://stackoverflow.com/questions/11945563/how-listviews-recycling-mechanism-works listview can show on screen and the number of rows doesnt get increase even you scroll through the list this is the trick android use so that listview work more effcient and fast Now the inside story of listview refering to image as you can see..
How can I use external JARs in an Android project? http://stackoverflow.com/questions/1334802/how-can-i-use-external-jars-in-an-android-project Export. Order and Export is ignored it seems and all classes from the external JAR is missing in runtime. Is there a trick to properly include the needed classes from an external JAR when building an Android application using the Eclipse Plug..
How to avoid reverse engineering of an APK file? http://stackoverflow.com/questions/13854425/how-to-avoid-reverse-engineering-of-an-apk-file question 1. How can I completely avoid reverse engineering of an Android APK Is this possible AFAIK there is not any trick for complete avoidance of reverse engineering. And also very well said by @inazaruk Whatever you do to your code a potential.. all the app's resources assets and source code so that hackers can't hack the APK file in any way You can do different tricks to make hacking harder though. For example use obfuscation if it's Java code . This usually slows down reverse engineering..
How do I restart an Android Activity http://stackoverflow.com/questions/1397361/how-do-i-restart-an-android-activity I'm calling finish first and I'm using the exact same intent this activity was started with. That seems to do the trick UPDATE As pointed out by Ralf below Activity.recreate is the way to go in API 11 and beyond. This is preferable if you're..
HTML5 <video> element on Android http://stackoverflow.com/questions/1711078/html5-video-element-on-android quite strict parameters using the iPhone setting on Handbrake with the 'Web Optimized' button checked usually does the trick. Have a look at the demo on this page http broken links.com tests video This works AFAIK in all video enabled desktop browsers..
How to fire onListItemClick in Listactivity with buttons in list? http://stackoverflow.com/questions/1821871/how-to-fire-onlistitemclick-in-listactivity-with-buttons-in-list you have to do You are using custom layout so probably you are overriding getView method from your custom adapter. The trick is to set the different listeners for your button and different for the whole view your row . Take a look at the example..
How to layout text to flow around an image http://stackoverflow.com/questions/2248759/how-to-layout-text-to-flow-around-an-image static if Integer.valueOf Build.VERSION.SDK 8 Froyo 2.2 API level 8 sNewClassAvailable true Also you can use this trick if you don't know the exact version try Class.forName android.text.style.LeadingMarginSpan LeadingMarginSpan2 mNewClassAvailable..
How do I get the web page contents from a WebView? http://stackoverflow.com/questions/2376471/how-do-i-get-the-web-page-contents-from-a-webview answer in this post on lexandera.com. The code below is basically a cut and paste from the site. It seems to do the trick. final Context myApp this An instance of this class will be registered as a JavaScript interface class MyJavaScriptInterface..
Android Camera without Preview http://stackoverflow.com/questions/2386025/android-camera-without-preview of the widget visual element . please pay attention resize preview surface not camera frame size. of course such trick does not eliminate unwanted data streaming for preview which consumes some system resources and battery. share improve..
Android: new Intent() starts new instance with android:launchMode=“singleTop” http://stackoverflow.com/questions/2424488/android-new-intent-starts-new-instance-with-androidlaunchmode-singletop is not the expected behavior right android activity android intent share improve this question This should do the trick. activity ... android launchMode singleTop When you create an intent to start the app use Intent intent new Intent context..
Foreign key constraints in Android using SQLite? on Delete cascade http://stackoverflow.com/questions/2545558/foreign-key-constraints-in-android-using-sqlite-on-delete-cascade are supported but you need to enable them. I just added the following to my SQLOpenHelper which seems to do the trick. @Override public void onOpen SQLiteDatabase db super.onOpen db if db.isReadOnly Enable foreign key constraints db.execSQL..
Can a videoview play a video stored on internal storage? http://stackoverflow.com/questions/3038474/can-a-videoview-play-a-video-stored-on-internal-storage various errors when trying to load and display the media stored under the applicationcontext.getFilesDir . Is there a trick to setting a videoview's content to such a file Can a ContentResolver help me On a related note is it considered bad form..
Android - Load PDF / PDF Viewer http://stackoverflow.com/questions/4468621/android-load-pdf-pdf-viewer already set internet permission. android share improve this question Finally i got a solution actually i made a trick to load a pdf file using Google Docs inside a webview webview.loadUrl http docs.google.com gview embedded true url http..
Grid of images inside ScrollView http://stackoverflow.com/questions/4523609/grid-of-images-inside-scrollview but if it doesn't you can still measure all the contents of the GridView yourself. But it would be easier if you could trick the GridView into doing it for you. Now you must keep in mind that this solution would completely disable the view recycling..
Custom notification layouts and text colors http://stackoverflow.com/questions/4867338/custom-notification-layouts-and-text-colors share improve this question Solution by Malcolm works fine with API 9. Here's the solution for older API The trick is to create the standard notification object and then traverse the default contentView created by Notification.setLatestEventInfo..
How to play a video in a webview with android? http://stackoverflow.com/questions/4989738/how-to-play-a-video-in-a-webview-with-android
how to display map in android with marker http://stackoverflow.com/questions/6140433/how-to-display-map-in-android-with-marker If you're going to show just a single item MapView.addView and later updating position with setLayoutParams does the trick. private ImageView mCurrentPointer @Override public void onLocationChanged Location l int latitude int l.getLatitude 1e6..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard And the solution is to use focusableInTouchMode settings in xml for the layout containing the editText's. This did the trick LinearLayout android layout_width fill_parent android layout_height fill_parent android orientation vertical android focusableInTouchMode..
http://stackoverflow.com/questions/7947165/admob-implementation-error your release using ANT. The line should look like this target android 13 The configuration above alone does the trick. There are no changes required to the uses sdk element in the AndroidManifest. Read the pitfalls below to learn why this..
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