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2014/10/16 ¤W¤È 08:22:27
android Programming Glossary: rememberHow 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 would simply have been to experiment a bit yourself Just remember to look at the layouts in the emulator itself or an actual phone..
What's wrong with debugging in Eclipse on Android? [duplicate] http://stackoverflow.com/questions/2552568/whats-wrong-with-debugging-in-eclipse-on-android somewhere where you can see it easily and Eclipse will remember that location and open it up again next time your start it...
Android: How to create a Dialog without a title? http://stackoverflow.com/questions/2644134/android-how-to-create-a-dialog-without-a-title make it view.findView... . Then once you've done that remember to use dialog.show or even builder.show without bothering to..
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android modes and other interactive items like search. I exactly remember about customizing title bar and making it consistent through..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible 5 AsyncTasks can run simultaneously. Unfortunately I don't remember in what version exactly they changed that. UPDATE Here is what..
How exactly does the android:onClick XML attribute differ from setOnClickListener? http://stackoverflow.com/questions/4153517/how-exactly-does-the-androidonclick-xml-attribute-differ-from-setonclicklistene only in the current Activity. This is important to remember if you are using fragments since even if you add the XML above..
Get Path of image from ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/4184951/get-path-of-image-from-action-image-capture-intent intent CAPTURE_PICTURE_INTENT you need to remember mCapturedImageURI . When you capture image in onActivityResult..
Android Saving created bitmap to directory on sd card http://stackoverflow.com/questions/4263375/android-saving-created-bitmap-to-directory-on-sd-card
Android, Java: HTTP POST Request http://stackoverflow.com/questions/4543894/android-java-http-post-request form urlencoded Content Length 48 id username num password remember on output xml The XML Response that i will be getting is xml..
http://stackoverflow.com/questions/4597690/android-timer-how showing just the method I believe is preferable. Also remember to clean up your tasks in onPause saving state if necessary... R.id.button b.setText start the main thing to remember is that the UI can only be modified from the main ui thread..
Enable GPS programatically like Tasker http://stackoverflow.com/questions/4721449/enable-gps-programatically-like-tasker if he wants to turn it on automatically with the typical remember my decision checkbox and if he answers yes enable it. Does anybody..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file apk go trough the wizzard make a new key store. remember that password sign your app save it etc. Also from the link..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities the variables without using get and set methods as I remember reading an article on the google dev site saying this is not..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android vY 0 int mMaxScrollX 0 int mMaxScrollY invalidate don't remember if it's needed return true @Override public boolean onDown MotionEvent.. the point we reached and scroll there. As a last note remember to return true in your OnGestureListener.onDown even if you..
http://stackoverflow.com/questions/4986861/android-layout-weight I have tried so many different combinations I can't even remember them and none have worked. android layout share improve this..
Help with passing ArrayList and parcelable Activity http://stackoverflow.com/questions/5819238/help-with-passing-arraylist-and-parcelable-activity getBaseContext subActivity.class for some reason I remember a posting saying it's best to create a new object to pass...
One Google Maps key for all developers? http://stackoverflow.com/questions/7444392/one-google-maps-key-for-all-developers e.g. ~ .android debug.keystore between developer PCs and remember to update all of them again when that keystore expires. For..
Using DiskLruCache in android 4.0 does not provide for openCache method http://stackoverflow.com/questions/10185898/using-disklrucache-in-android-4-0-does-not-provide-for-opencache-method return Build.VERSION.SDK_INT Build.VERSION_CODES.FROYO Remember to put uses permission android name android.permission.WRITE_EXTERNAL_STORAGE..
Android Image View Pinch Zooming http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming final int DRAG 1 static final int ZOOM 2 int mode NONE Remember some things for zooming PointF start new PointF PointF mid new..
Steps to create APK expansion file http://stackoverflow.com/questions/11715855/steps-to-create-apk-expansion-file play_apk_expansion from the path sdk path extras google Remember Free app doesnt require Licensing but Expansion concept required..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen that one should follow to meet the requirement Remember we do have Tablets of different Size and Resolution. I'm aware..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack frag3 on view here all misleading stuff starts to happen Remember that .addToBackStack is saving only TRANSACTION not the FRAGMENT..
Android Facebook SDK 3.0 gives “remote_app_id does not match stored id” while logging in http://stackoverflow.com/questions/13894006/android-facebook-sdk-3-0-gives-remote-app-id-does-not-match-stored-id-while-lo path release.keystore openssl sha1 binary openssl base64 Remember you cannot publish an application that is signed with the debug..
How to make application completely ignore screen orientation change in Android? http://stackoverflow.com/questions/1410504/how-to-make-application-completely-ignore-screen-orientation-change-in-android That's it Now your orientation will always be kept. Remember that this setting is per Activity so you need to repeat this..
How to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android onCreate method so we use our recently declared layout. Remember that we ID'ed the ListView specially with android id @android.. Filter a filter request every time the text changes. Remember to remove the TextWatcher in OnDestroy Here is the final solution..
How to animate a slide in notification view that pushes the content view down http://stackoverflow.com/questions/19098083/how-to-animate-a-slide-in-notification-view-that-pushes-the-content-view-down delay set.setDuration duration .start Important note Remember to import the AnimatorSet and ObjectAnimator from nineoldandroids..
How to size an Android view based on its parent's dimensions http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions new LayoutParams for your view then call super.onMeasure . Remember your LayoutParams are derived from your view's parent type not..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen break case MotionEvent.ACTION_DOWN Remember location of down touch mLastMotionX x If being flinged and.. if mScroller.isFinished mScroller.abortAnimation Remember where the motion event started mLastMotionX x break case MotionEvent.ACTION_MOVE..
How Do I Create A Certificate For My Android Market APK? http://stackoverflow.com/questions/3985419/how-do-i-create-a-certificate-for-my-android-market-apk key.keystore alias alias_name keyalg RSA validity 10000 Remember that once you lose your Certificate or it expires you will not..
Pattern “One activity, multiple views”: Advantages and disadvantages http://stackoverflow.com/questions/4757418/pattern-one-activity-multiple-views-advantages-and-disadvantages that you still have more than one activity context . Remember your activity large or small is still destroyed and recreated..
Animate the transition between fragments http://stackoverflow.com/questions/4932462/animate-the-transition-between-fragments this doesn't prevent you from writing them yourself. Remember that property animations simply require getter and setter methods..
Flash video not displaying in WebView for Android 3.0.1 http://stackoverflow.com/questions/5383364/flash-video-not-displaying-in-webview-for-android-3-0-1 I'm not too happy how EASY it was to fix then again I am Remember this was directed toward the ISSUE of Flash video not loading..
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview final int DRAG 1 static final int ZOOM 2 int mode NONE Remember some things for zooming PointF start new PointF PointF mid new..
Where do I create and use ScheduledThreadPoolExecutor, TimerTask, or Handler? http://stackoverflow.com/questions/8098806/where-do-i-create-and-use-scheduledthreadpoolexecutor-timertask-or-handler refreshed 0 10 TimeUnit.MINUTES end of onCreate Remember to finish close your runnable task properly in Activity.onDestroy..
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 By the way the easiest way to discover how this works would simply have been to experiment a bit yourself Just remember to look at the layouts in the emulator itself or an actual phone as the preview in Eclipse is usually wrong. share improve..
What's wrong with debugging in Eclipse on Android? [duplicate] http://stackoverflow.com/questions/2552568/whats-wrong-with-debugging-in-eclipse-on-android of the folders in the list LogCat. Then dock the LogCat window somewhere where you can see it easily and Eclipse will remember that location and open it up again next time your start it. Sometimes LogCat and the Emulator get disconnected from each..
Android: How to create a Dialog without a title? http://stackoverflow.com/questions/2644134/android-how-to-create-a-dialog-without-a-title
Change title bar text in Android http://stackoverflow.com/questions/3438276/change-title-bar-text-in-android the activity that may display the activity title navigation modes and other interactive items like search. I exactly remember about customizing title bar and making it consistent through the application. So I can make comparison with earlier days..
Running multiple AsyncTasks at the same time — not possible? http://stackoverflow.com/questions/4068984/running-multiple-asynctasks-at-the-same-time-not-possible But later they fixed that and now the size is 5 so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remember in what version exactly they changed that. UPDATE Here is what current 2012 01 27 API says on this When first introduced..
How exactly does the android:onClick XML attribute differ from setOnClickListener? http://stackoverflow.com/questions/4153517/how-exactly-does-the-androidonclick-xml-attribute-differ-from-setonclicklistene XML above Android will look for the onClick method myFancyMethod only in the current Activity. This is important to remember if you are using fragments since even if you add the XML above using a fragment Android will not look for the onClick method..
Get Path of image from ACTION_IMAGE_CAPTURE Intent http://stackoverflow.com/questions/4184951/get-path-of-image-from-action-image-capture-intent MediaStore.EXTRA_OUTPUT mCapturedImageURI startActivityForResult intent CAPTURE_PICTURE_INTENT you need to remember mCapturedImageURI . When you capture image in onActivityResult use that URI to obtain file path String projection MediaStore.Images.Media.DATA..
Android Saving created bitmap to directory on sd card http://stackoverflow.com/questions/4263375/android-saving-created-bitmap-to-directory-on-sd-card
Android, Java: HTTP POST Request http://stackoverflow.com/questions/4543894/android-java-http-post-request webservice.companyname.com Content Type application x www form urlencoded Content Length 48 id username num password remember on output xml The XML Response that i will be getting is xml version 1.0 encoding ISO 8859 1 login message CDATA message..
http://stackoverflow.com/questions/4597690/android-timer-how is an example showing all 3 and at the bottom is an example showing just the method I believe is preferable. Also remember to clean up your tasks in onPause saving state if necessary. import java.util.Timer import java.util.TimerTask import android.app.Activity.. timer.purge h2.removeCallbacks run Button b Button findViewById R.id.button b.setText start the main thing to remember is that the UI can only be modified from the main ui thread so use a handler or activity.runOnUIThread Runnable r Here is..
Enable GPS programatically like Tasker http://stackoverflow.com/questions/4721449/enable-gps-programatically-like-tasker to blow up the users privacy so I would first ask the user if he wants to turn it on automatically with the typical remember my decision checkbox and if he answers yes enable it. Does anybody have any idea or clue on how Tasker achieves this android..
How to sign an android apk file http://stackoverflow.com/questions/4853011/how-to-sign-an-android-apk-file eclips press right mouse tools android tools export signed application apk go trough the wizzard make a new key store. remember that password sign your app save it etc. Also from the link Compile and sign with Eclipse ADT If you are using Eclipse with..
Android - What's the best way to share data between activities? http://stackoverflow.com/questions/4878159/android-whats-the-best-way-to-share-data-between-activities like above. Therefore is there a way to directly get and change the variables without using get and set methods as I remember reading an article on the google dev site saying this is not recommended for performance on android. So if anyone has any..
http://stackoverflow.com/questions/4951142/smooth-scrolling-in-android vX float vY mScroller.fling getScrollX getScrollY int vX int vY 0 int mMaxScrollX 0 int mMaxScrollY invalidate don't remember if it's needed return true @Override public boolean onDown MotionEvent e if mScroller.isFinished is flinging mScroller.forceFinished.. mScroller.getCurrY that is until animation is running calculate the point we reached and scroll there. As a last note remember to return true in your OnGestureListener.onDown even if you don't want to do anything on down or it won't work. And be careful..
http://stackoverflow.com/questions/4986861/android-layout-weight for me making them both half the size. Btn Btn #####et##### I have tried so many different combinations I can't even remember them and none have worked. android layout share improve this question It doesn't work because you are using fill_parent..
Help with passing ArrayList and parcelable Activity http://stackoverflow.com/questions/5819238/help-with-passing-arraylist-and-parcelable-activity parceable and launch activity Intent intent new Intent .setClass getBaseContext subActivity.class for some reason I remember a posting saying it's best to create a new object to pass. I have no idea why.. ArrayList address addyExtras new ArrayList..
One Google Maps key for all developers? http://stackoverflow.com/questions/7444392/one-google-maps-key-for-all-developers developers For the debug signing key copy your debug keystore e.g. ~ .android debug.keystore between developer PCs and remember to update all of them again when that keystore expires. For the production signing key copy the production keystore between..
Using DiskLruCache in android 4.0 does not provide for openCache method http://stackoverflow.com/questions/10185898/using-disklrucache-in-android-4-0-does-not-provide-for-opencache-method .getPath cacheDir public static boolean hasExternalCacheDir return Build.VERSION.SDK_INT Build.VERSION_CODES.FROYO Remember to put uses permission android name android.permission.WRITE_EXTERNAL_STORAGE on your AndroidManifest.xml I figured out..
Android Image View Pinch Zooming http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming can be in one of these 3 states static final int NONE 0 static final int DRAG 1 static final int ZOOM 2 int mode NONE Remember some things for zooming PointF start new PointF PointF mid new PointF float oldDist 1f String savedItemClicked share improve..
Steps to create APK expansion file http://stackoverflow.com/questions/11715855/steps-to-create-apk-expansion-file new project from existing source and import market_licensing play_apk_expansion from the path sdk path extras google Remember Free app doesnt require Licensing but Expansion concept required you just need not to bother by giving reference of market_licensing..
Application Skeleton to support multiple screen http://stackoverflow.com/questions/12242111/application-skeleton-to-support-multiple-screen devices. My question is that is there a proper flow or architecture that one should follow to meet the requirement Remember we do have Tablets of different Size and Resolution. I'm aware that Android Developer contains this information but my view..
Problems with Android Fragment back stack http://stackoverflow.com/questions/12529499/problems-with-android-fragment-back-stack R.id.detailFragment frag3 Transaction.remove frag2 .add frag3 frag3 on view here all misleading stuff starts to happen Remember that .addToBackStack is saving only TRANSACTION not the FRAGMENT as itself So now we have frag3 on the layout press back..
Android Facebook SDK 3.0 gives “remote_app_id does not match stored id” while logging in http://stackoverflow.com/questions/13894006/android-facebook-sdk-3-0-gives-remote-app-id-does-not-match-stored-id-while-lo exportcert alias yourappreleasekeyalias keystore ~ .your path release.keystore openssl sha1 binary openssl base64 Remember you cannot publish an application that is signed with the debug key generated by the SDK tools. So it isn't possible to..
How to make application completely ignore screen orientation change in Android? http://stackoverflow.com/questions/1410504/how-to-make-application-completely-ignore-screen-orientation-change-in-android if using the Source Override Implement Methods menu option. That's it Now your orientation will always be kept. Remember that this setting is per Activity so you need to repeat this step for each Activity you wish to forbid the orientation change..
How to make a nice looking ListView filter on Android [closed] http://stackoverflow.com/questions/1737009/how-to-make-a-nice-looking-listview-filter-on-android as you would normally but add a setContentView call in the onCreate method so we use our recently declared layout. Remember that we ID'ed the ListView specially with android id @android id list . This allows the ListActivity to know which ListView.. and add a TextWatcher to the EditText and pass the ListAdapter Filter a filter request every time the text changes. Remember to remove the TextWatcher in OnDestroy Here is the final solution private EditText filterText null ArrayAdapter String adapter..
How to animate a slide in notification view that pushes the content view down http://stackoverflow.com/questions/19098083/how-to-animate-a-slide-in-notification-view-that-pushes-the-content-view-down alpha 1 1 1 add other animations if you wish set.setStartDelay delay set.setDuration duration .start Important note Remember to import the AnimatorSet and ObjectAnimator from nineoldandroids in your class and not the Android SDK ones share improve..
How to size an Android view based on its parent's dimensions http://stackoverflow.com/questions/2159320/how-to-size-an-android-view-based-on-its-parents-dimensions as required for an onMeasure override and provide a new LayoutParams for your view then call super.onMeasure . Remember your LayoutParams are derived from your view's parent type not your view's type. @Override protected void onMeasure int..
Developing an Android Homescreen http://stackoverflow.com/questions/3467461/developing-an-android-homescreen if the user moved far enough along the X axis mTouchState TOUCH_STATE_SCROLLING break case MotionEvent.ACTION_DOWN Remember location of down touch mLastMotionX x If being flinged and user touches the screen initiate drag otherwise don't. mScroller.isFinished.. stop the fling. isFinished will be false if being flinged. if mScroller.isFinished mScroller.abortAnimation Remember where the motion event started mLastMotionX x break case MotionEvent.ACTION_MOVE Log.i LOG_TAG event move if mTouchState..
How Do I Create A Certificate For My Android Market APK? http://stackoverflow.com/questions/3985419/how-do-i-create-a-certificate-for-my-android-market-apk key in the following way keytool genkey v keystore my release key.keystore alias alias_name keyalg RSA validity 10000 Remember that once you lose your Certificate or it expires you will not be able to sign your application. Make sure that the expiration..
Pattern “One activity, multiple views”: Advantages and disadvantages http://stackoverflow.com/questions/4757418/pattern-one-activity-multiple-views-advantages-and-disadvantages it's simpler to find and solve problems with memory leaks Except that you still have more than one activity context . Remember your activity large or small is still destroyed and recreated on configuration changes. What do you think about this pattern..
Animate the transition between fragments http://stackoverflow.com/questions/4932462/animate-the-transition-between-fragments any translation properties that use relative values. However this doesn't prevent you from writing them yourself. Remember that property animations simply require getter and setter methods on the objects you're animating in this case views so..
Flash video not displaying in WebView for Android 3.0.1 http://stackoverflow.com/questions/5383364/flash-video-not-displaying-in-webview-for-android-3-0-1 throw my tablet out the window I finally figured it out and I'm not too happy how EASY it was to fix then again I am Remember this was directed toward the ISSUE of Flash video not loading into the WebView on my Xoom Android 3.0.1 tablet with PluginState..
Rotate zoom drag image in android imageview http://stackoverflow.com/questions/5894736/rotate-zoom-drag-image-in-android-imageview can be in one of these 3 states static final int NONE 0 static final int DRAG 1 static final int ZOOM 2 int mode NONE Remember some things for zooming PointF start new PointF PointF mid new PointF float oldDist 1f @Override public void onCreate Bundle..
Where do I create and use ScheduledThreadPoolExecutor, TimerTask, or Handler? http://stackoverflow.com/questions/8098806/where-do-i-create-and-use-scheduledthreadpoolexecutor-timertask-or-handler
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