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2014/10/16 ¤W¤È 08:23:28
android Programming Glossary: saveHow to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android time e.g. by a phone call so you really should add code to save the state of your application when it is paused. Update As of..
http://stackoverflow.com/questions/1554099/slow-android-emulator Tools ADT 9.0.0 or later has a feature that allows you to save state of the AVD emulator and you can start your emulator instantly... for more information. Creating a new AVD with the save snapshot feature. Launching the emulator from the snapshot...
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 declared layout. @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.filterable_listview setListAdapter.. adapter.getFilter .filter s Notice that you will need to save your ListAdapter to a variable to make this work I have saved..
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it should be deactivated onPause and activated onResume to save resources CPU Battery . The code assumes we are on planet Earth..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android taken though many of the fields aren't actually used. To save time as you don't actually need the other fields cursor search..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android be available. It is possible that the XmlPullParser will save you from using SAX but I don't know much about that. share..
Maintain/Save/Restore scroll position when returning to a ListView http://stackoverflow.com/questions/3014089/maintain-save-restore-scroll-position-when-returning-to-a-listview scroll position share improve this question Try this save index and top position int index mList.getFirstVisiblePosition..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog expect HTTP 200 OK so we don't mistakenly save error report instead of the file if connection.getResponseCode.. mProgressDialog @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main findViewById R.id.btn_download..
How to use SharedPreferences in Android to store, fetch and edit values http://stackoverflow.com/questions/3624280/how-to-use-sharedpreferences-in-android-to-store-fetch-and-edit-values l prefs.getLong dateTimeKey new Date .getTime To edit and save preferences Date dt getSomeDate prefs.edit .putLong dateTimeKey..
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 use roller ball. I know I can do an out of band resize and save of my image but that is not really what I want to do but some..
http://stackoverflow.com/questions/649154/save-bitmap-to-location it on the screen and if the user wishes to keep the image save it on the SD card in a certain folder. Is there an easy way.. folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice My issue is that.. as a Bitmap. The only way I have been able to find to save an image to a particular folder is to use FileOutputStream but..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences after the application has been closed completely. I save a lot of other objects this way by using the SharedPreferences.. using the SharedPreferences but I can't figure out how to save my entire array this way. Is this possible Maybe SharedPreferences.. You can also serialize your ArrayList and then save read it to from SharedPreferences. Below is the solution EDIT..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables added the following condition public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main ... loadSettings.. The more general problem you are encountering is how to save state across several Activities and all parts of your application...
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for is temporarily destroying this instance of the activity to save space. You can distinguish between these two scenarios with.. is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main Log.d tag In the..
http://stackoverflow.com/questions/9671546/asynctask-android-example is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView.. void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main btn Button findViewById.. have a complete class edited below with all suggestions to save confusion. import android.app.Activity import android.os.AsyncTask..
Passing image from one activity another activity http://stackoverflow.com/questions/11519691/passing-image-from-one-activity-another-activity R.id.imageView1 image.setImageBitmap bmp 2 First Save image into SDCard and in next activity set this image into ImageView...
Android Open and Save files to/from Google Drive SDK http://stackoverflow.com/questions/12164024/android-open-and-save-files-to-from-google-drive-sdk Open and Save files to from Google Drive SDK I've spent the last six hours..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android share improve this question You need to override onSaveInstanceState Bundle savedInstanceState and write the application.. to the Bundle parameter like this @Override public void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState.. void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState savedInstanceState Save UI state changes to the..
Playing HTML5 video on fullscreen in android webview http://stackoverflow.com/questions/15768837/playing-html5-video-on-fullscreen-in-android-webview view View focusedChild frameLayout.getFocusedChild Save video related variables this.isVideoFullscreen true this.videoViewContainer.. Set layout setContentView R.layout.activity_main Save the web view webView VideoEnabledWebView findViewById R.id.webView..
Maintain/Save/Restore scroll position when returning to a ListView http://stackoverflow.com/questions/3014089/maintain-save-restore-scroll-position-when-returning-to-a-listview Save Restore scroll position when returning to a ListView I have..
Android: How do I attach a temporary, generated image to an email? http://stackoverflow.com/questions/3570914/android-how-do-i-attach-a-temporary-generated-image-to-an-email capture the Uri File pngFile new File pngDir jetsam.png Save file encoded as PNG Uri pngUri Uri.fromFile pngFile Build an..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime matrix true sampledSrcBitmap null Save FileOutputStream out new FileOutputStream NEW_FILE_PATH scaledBitmap.compress..
How to programatically create and read WEP/EAP WiFi configurations in Android? http://stackoverflow.com/questions/4374862/how-to-programatically-create-and-read-wep-eap-wifi-configurations-in-android 3 Read a EAP WiFi Configuration programatically. Part 4 Save a EAP WiFi configuration programatically. android wifi android..
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 much slower. Some of the ways to persist objects include Save them to the shared preferences Save them to a sqlite database.. objects include Save them to the shared preferences Save them to a sqlite database Save them to a file I ™d avoid this.. to the shared preferences Save them to a sqlite database Save them to a file I ™d avoid this one share improve this answer..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas rotating angle. if angle 360 angle 0 Draw ball canvas.save Save the position of the canvas. canvas.rotate angle X ballW 2 Y.. ball with applied matrix. Rotate method two canvas.save Save the position of the canvas matrix. canvas.rotate angle ballX..
http://stackoverflow.com/questions/649154/save-bitmap-to-location bitmap to location I am working on a function to download an..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences ArrayList to SharedPreferences I have an ArrayList with custom..
Android How to adjust layout in Full Screen Mode when softkeyboard is visible http://stackoverflow.com/questions/7417123/android-how-to-adjust-layout-in-full-screen-mode-when-softkeyboard-is-visible 15dp android layout_below @ id edit_message android text Save Button android id @ id btn_cancel android layout_width wrap_content..
What is the most appropriate way to store user settings in Android application http://stackoverflow.com/questions/785973/what-is-the-most-appropriate-way-to-store-user-settings-in-android-application username password and I would like to enable the option Save password so the user wouldn't have to type the password each..
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change http://stackoverflow.com/questions/8417885/android-fragments-retaining-an-asynctask-during-screen-rotation-or-configuratio GlobalContainer globalContainer public void onSaveInstanceState Bundle outState super.onSaveInstanceState outState.. public void onSaveInstanceState Bundle outState super.onSaveInstanceState outState Save some stuff for the UI State @Override.. Bundle outState super.onSaveInstanceState outState Save some stuff for the UI State @Override public void onCreate Bundle..
Is it possible to set an animated gif file as live wallpaper in android? http://stackoverflow.com/questions/9158310/is-it-possible-to-set-an-animated-gif-file-as-live-wallpaper-in-android as a Live wallpaper. Then download a gif like this one Save that gif in res raw nyan.gif in your project. Create a live..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android details. However your application can be interrupted at any time e.g. by a phone call so you really should add code to save the state of your application when it is paused. Update As of Android 3.2 you also need to add screenSize activity android..
http://stackoverflow.com/questions/1554099/slow-android-emulator qemu share improve this question Android Development Tools ADT 9.0.0 or later has a feature that allows you to save state of the AVD emulator and you can start your emulator instantly. You have to enable this feature while creating a new..
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 ListActivity to know which ListView we want to use in our declared layout. @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.filterable_listview setListAdapter new ArrayAdapter.. we want to use in our declared layout. @Override protected void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.filterable_listview setListAdapter new ArrayAdapter String this android.R.layout.simple_list_item_1.. easy. To run a quick test add this line to your onCreate call adapter.getFilter .filter s Notice that you will need to save your ListAdapter to a variable to make this work I have saved my ArrayAdapter String from earlier into a variable called..
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it and lets say 2 if the device is shaked. Notes The accelometer should be deactivated onPause and activated onResume to save resources CPU Battery . The code assumes we are on planet Earth and initializes the acceleration to earth gravity. Otherwise..
How to pick an image from gallery (SD Card) for my app in Android? http://stackoverflow.com/questions/2507898/how-to-pick-an-image-from-gallery-sd-card-for-my-app-in-android last modified' to the GPS coordinates of where the photo was taken though many of the fields aren't actually used. To save time as you don't actually need the other fields cursor search is done with a filter. The filter works by specifying the..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android
Maintain/Save/Restore scroll position when returning to a ListView http://stackoverflow.com/questions/3014089/maintain-save-restore-scroll-position-when-returning-to-a-listview on how to achieve this android android listview scrolling scroll position share improve this question Try this save index and top position int index mList.getFirstVisiblePosition View v mList.getChildAt 0 int top v null 0 v.getTop ... restore..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog sUrl 0 connection HttpURLConnection url.openConnection connection.connect expect HTTP 200 OK so we don't mistakenly save error report instead of the file if connection.getResponseCode HttpURLConnection.HTTP_OK return Server returned HTTP.. class MainActivity extends Activity private ProgressDialog mProgressDialog @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main findViewById R.id.btn_download .setOnClickListener.. private ProgressDialog mProgressDialog @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main findViewById R.id.btn_download .setOnClickListener new View.OnClickListener ..
How to use SharedPreferences in Android to store, fetch and edit values http://stackoverflow.com/questions/3624280/how-to-use-sharedpreferences-in-android-to-store-fetch-and-edit-values use a default value using new Date long l prefs.getLong dateTimeKey new Date .getTime To edit and save preferences Date dt getSomeDate prefs.edit .putLong dateTimeKey dt.getTime .commit The android sdk's sample directory contains..
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 a row with touch screen because of focus issue. I can use roller ball. I know I can do an out of band resize and save of my image but that is not really what I want to do but some sample code for that would be nice. As soon as I disabled..
http://stackoverflow.com/questions/649154/save-bitmap-to-location on a function to download an image from a web server display it on the screen and if the user wishes to keep the image save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder.. wishes to keep the image save it on the SD card in a certain folder. Is there an easy way to take a bitmap and just save it to the SD card in a folder of my choice My issue is that I can download the image display it on screen as a Bitmap. The.. My issue is that I can download the image display it on screen as a Bitmap. The only way I have been able to find to save an image to a particular folder is to use FileOutputStream but that requires a byte array. I am not sure how to convert..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences come back at a later time however I don't need the array available after the application has been closed completely. I save a lot of other objects this way by using the SharedPreferences but I can't figure out how to save my entire array this way... closed completely. I save a lot of other objects this way by using the SharedPreferences but I can't figure out how to save my entire array this way. Is this possible Maybe SharedPreferences isn't the way to go about this Is there a simpler method.. scoreEditor.putStringSet key set scoreEditor.commit You can also serialize your ArrayList and then save read it to from SharedPreferences. Below is the solution EDIT Ok below is the solution to save ArrayList as serialized object..
Android: How to declare global variables? http://stackoverflow.com/questions/708012/android-how-to-declare-global-variables the login activity. In the main activity onCreate method I added the following condition public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main ... loadSettings if strSessionString null .. activity onCreate method I added the following condition public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main ... loadSettings if strSessionString null login ... The onActivityResult method.. Application. Read it at your own risk. ORIGINAL ANSWER The more general problem you are encountering is how to save state across several Activities and all parts of your application. A static variable for instance a singleton is a common..
Android Activity Life Cycle - What are all these methods for? http://stackoverflow.com/questions/8515936/android-activity-life-cycle-what-are-all-these-methods-for finishing someone called finish on it or because the system is temporarily destroying this instance of the activity to save space. You can distinguish between these two scenarios with the isFinishing method. EDIT When the Activity first time loads.. Activity String tag LifeCycleEvents Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main Log.d tag In the onCreate event public void.. Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main Log.d tag In the onCreate event public void onStart super.onStart Log.d tag..
http://stackoverflow.com/questions/9671546/asynctask-android-example extends Activity Button btn Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main btn Button findViewById R.id.button1 btn.setOnClickListener.. btn Called when the activity is first created. @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setContentView R.layout.main btn Button findViewById R.id.button1 btn.setOnClickListener OnClickListener this.. find the easiest way to do this is via switch statements. I have a complete class edited below with all suggestions to save confusion. import android.app.Activity import android.os.AsyncTask import android.os.Bundle import android.provider.Settings.System..
Passing image from one activity another activity http://stackoverflow.com/questions/11519691/passing-image-from-one-activity-another-activity byteArray 0 byteArray.length ImageView image ImageView findViewById R.id.imageView1 image.setImageBitmap bmp 2 First Save image into SDCard and in next activity set this image into ImageView. 3 Pass Bitmap into Intent and get bitmap in next activity..
Android Open and Save files to/from Google Drive SDK http://stackoverflow.com/questions/12164024/android-open-and-save-files-to-from-google-drive-sdk Open and Save files to from Google Drive SDK I've spent the last six hours pouring over documents from Google and I still don't know..
Saving Activity state in Android http://stackoverflow.com/questions/151777/saving-activity-state-in-android me looking a fool in three two one... android application state share improve this question You need to override onSaveInstanceState Bundle savedInstanceState and write the application state values you want to change to the Bundle parameter.. and write the application state values you want to change to the Bundle parameter like this @Override public void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState savedInstanceState Save UI state changes to the savedInstanceState... change to the Bundle parameter like this @Override public void onSaveInstanceState Bundle savedInstanceState super.onSaveInstanceState savedInstanceState Save UI state changes to the savedInstanceState. This bundle will be passed to onCreate..
Playing HTML5 video on fullscreen in android webview http://stackoverflow.com/questions/15768837/playing-html5-video-on-fullscreen-in-android-webview A video wants to be shown FrameLayout frameLayout FrameLayout view View focusedChild frameLayout.getFocusedChild Save video related variables this.isVideoFullscreen true this.videoViewContainer frameLayout this.videoViewCallback callback.. onCreate Bundle savedInstanceState super.onCreate savedInstanceState Set layout setContentView R.layout.activity_main Save the web view webView VideoEnabledWebView findViewById R.id.webView Initialize the VideoEnabledWebChromeClient and set event..
Maintain/Save/Restore scroll position when returning to a ListView http://stackoverflow.com/questions/3014089/maintain-save-restore-scroll-position-when-returning-to-a-listview Save Restore scroll position when returning to a ListView I have a long ListView that the user can scroll around before returning..
Android: How do I attach a temporary, generated image to an email? http://stackoverflow.com/questions/3570914/android-how-do-i-attach-a-temporary-generated-image-to-an-email pngDir.mkdirs Write your file to that directory and capture the Uri File pngFile new File pngDir jetsam.png Save file encoded as PNG Uri pngUri Uri.fromFile pngFile Build an ACTION_SEND intent Intent intent new Intent android.content.Intent.ACTION_SEND..
Quality problems when resizing an image at runtime http://stackoverflow.com/questions/4231817/quality-problems-when-resizing-an-image-at-runtime sampledSrcBitmap 0 0 sampledSrcBitmap.getWidth sampledSrcBitmap.getHeight matrix true sampledSrcBitmap null Save FileOutputStream out new FileOutputStream NEW_FILE_PATH scaledBitmap.compress Bitmap.CompressFormat.JPEG 100 out scaledBitmap..
How to programatically create and read WEP/EAP WiFi configurations in Android? http://stackoverflow.com/questions/4374862/how-to-programatically-create-and-read-wep-eap-wifi-configurations-in-android Part 2 Read a WEP WiFi configuration programatically. Part 3 Read a EAP WiFi Configuration programatically. Part 4 Save a EAP WiFi configuration programatically. android wifi android wifi share improve this question Part 1 Creating a WEP..
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 and thus more chance of introducing bugs. It will also be much slower. Some of the ways to persist objects include Save them to the shared preferences Save them to a sqlite database Save them to a file I ™d avoid this one share improve this..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas bottom hit. dY acc Increase or decrease speed. Increase rotating angle. if angle 360 angle 0 Draw ball canvas.save Save the position of the canvas. canvas.rotate angle X ballW 2 Y ballH 2 Rotate the canvas. canvas.drawBitmap ball X Y null Draw.. into x y position. canvas.drawBitmap ball matrix null Draw the ball with applied matrix. Rotate method two canvas.save Save the position of the canvas matrix. canvas.rotate angle ballX ballW 2 ballY ballH 2 Rotate the canvas matrix. canvas.drawBitmap..
http://stackoverflow.com/questions/649154/save-bitmap-to-location bitmap to location I am working on a function to download an image from a web server display it on the screen and if the..
Save ArrayList to SharedPreferences http://stackoverflow.com/questions/7057845/save-arraylist-to-sharedpreferences ArrayList to SharedPreferences I have an ArrayList with custom objects. Each custom object contains a variety of strings..
Android How to adjust layout in Full Screen Mode when softkeyboard is visible http://stackoverflow.com/questions/7417123/android-how-to-adjust-layout-in-full-screen-mode-when-softkeyboard-is-visible true android layout_marginTop 7dp android layout_marginRight 15dp android layout_below @ id edit_message android text Save Button android id @ id btn_cancel android layout_width wrap_content android layout_height wrap_content android layout_marginTop..
What is the most appropriate way to store user settings in Android application http://stackoverflow.com/questions/785973/what-is-the-most-appropriate-way-to-store-user-settings-in-android-application am creating an application which connects to the server using username password and I would like to enable the option Save password so the user wouldn't have to type the password each time the application starts. I was trying to do it with Shared..
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change http://stackoverflow.com/questions/8417885/android-fragments-retaining-an-asynctask-during-screen-rotation-or-configuratio public interface OnLoginSuccessfulListener public void onLoginSuccessful GlobalContainer globalContainer public void onSaveInstanceState Bundle outState super.onSaveInstanceState outState Save some stuff for the UI State @Override public void onCreate.. public void onLoginSuccessful GlobalContainer globalContainer public void onSaveInstanceState Bundle outState super.onSaveInstanceState outState Save some stuff for the UI State @Override public void onCreate Bundle savedInstanceState super.onCreate.. GlobalContainer globalContainer public void onSaveInstanceState Bundle outState super.onSaveInstanceState outState Save some stuff for the UI State @Override public void onCreate Bundle savedInstanceState super.onCreate savedInstanceState setRetainInstance..
Is it possible to set an animated gif file as live wallpaper in android? http://stackoverflow.com/questions/9158310/is-it-possible-to-set-an-animated-gif-file-as-live-wallpaper-in-android an animated gif. First create a project set up your manifest as a Live wallpaper. Then download a gif like this one Save that gif in res raw nyan.gif in your project. Create a live wallpaper service like shown in this example. public class NyanNyanService..
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