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2014/10/16 ¤W¤È 08:25:45
android Programming Glossary: tellsAndroid - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context and Application. Reading the article a little bit further tells about the difference between the two and when you might want..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android orientation to your AndroidManifest.xml. This tells the system what configuration changes you are going to handle..
How to select and crop an image in android? http://stackoverflow.com/questions/2085003/how-to-select-and-crop-an-image-in-android selectedImage editor.commit When my code is ran Logcat tells me that selectedImage is null. If I comment out the i.putExtra..
How to determine if one of my activities is in the foreground http://stackoverflow.com/questions/2314969/how-to-determine-if-one-of-my-activities-is-in-the-foreground Is there a way to do such thing The ActivityManager tells me if my application is running but not whether it is in the..
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it involves implementing the SensorListener but Eclipse tells me it's deprecated and suggest SensorEventListener. Anybody..
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 does this if you are connected to a WiFi connection it tells you that their program will not work over WiFi and then asks..
Volume Control in android application http://stackoverflow.com/questions/2539264/volume-control-in-android-application AudioManager.STREAM_MUSIC in your onCreate method. That tells the OS that the volume buttons should affect the media volume..
More efficient way of updating UI from Service than intents? http://stackoverflow.com/questions/2621395/more-efficient-way-of-updating-ui-from-service-than-intents much simpler than yours but the same idea and it basically tells the app its new state and the app can then pass this information..
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android onCreate maxMemory Long.toString maxMemory This method tells you how many total bytes of heap your app is allowed to use... memoryClass Integer.toString memoryClass This method tells you approximately how many megabytes of heap your app should..
Android - Application (apk) Maximum size http://stackoverflow.com/questions/3536463/android-application-apk-maximum-size The File Manager application tells me that im using 60 147MB 40 . The limit seems be 147 MB but..
How to disable Mobile Data on Android http://stackoverflow.com/questions/3644144/how-to-disable-mobile-data-on-android Mobile Data on Android Quick back story before someone tells me to buy an app. I just got an EVO and it chews through the..
Best way to have paid and free version of an Android app http://stackoverflow.com/questions/3711967/best-way-to-have-paid-and-free-version-of-an-android-app changed constants to unlock those features as the Market tells me I already have an app with that package name in the market...
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 same problem i.e. whites gain coloring . Further reading tells me that this is because it's doing the conversion on RGB values..
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 client_cert and so on. A little detailed investigation tells us EnterpriseField is private inside WiFiConfiguration class..
How to install trusted CA certificate on Android device? http://stackoverflow.com/questions/4461360/how-to-install-trusted-ca-certificate-on-android-device the according option from the settings menu. The device tells me that the certificate has been installed but apparently it..
http://stackoverflow.com/questions/4597690/android-timer-how d 02d minutes seconds h2.postDelayed this 500 tells handler to send a message class firstTask extends TimerTask.. TimerTask @Override public void run h.sendEmptyMessage 0 tells activity to run on ui thread class secondTask extends TimerTask..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync android userVisible true Okay so what does this do It tells Android that the sync adapter we've defined the class that was..
How can I manage audio volumes sanely in my Android app? http://stackoverflow.com/questions/628659/how-can-i-manage-audio-volumes-sanely-in-my-android-app setVolumeControlStream AudioManager.STREAM_MUSIC This tells the AudioManager that when your application has focus the volume..
Android - what's the difference between the various methods to get a Context? http://stackoverflow.com/questions/1026973/android-whats-the-difference-between-the-various-methods-to-get-a-context application you usually have two kinds of Context Activity and Application. Reading the article a little bit further tells about the difference between the two and when you might want to consider using the application Context Activity.getApplicationContext..
How to disable orientation change in Android? http://stackoverflow.com/questions/1512045/how-to-disable-orientation-change-in-android a 5336057 84021 Add android configChanges keyboardHidden orientation to your AndroidManifest.xml. This tells the system what configuration changes you are going to handle yourself in this case by doing nothing. activity android name..
How to select and crop an image in android? http://stackoverflow.com/questions/2085003/how-to-select-and-crop-an-image-in-android selectedImage Log.d IMAGE SEL getRealPathFromURI selectedImage editor.commit When my code is ran Logcat tells me that selectedImage is null. If I comment out the i.putExtra crop true Logcat does not give me the null pointer exception..
How to determine if one of my activities is in the foreground http://stackoverflow.com/questions/2314969/how-to-determine-if-one-of-my-activities-is-in-the-foreground to find a way to determine if my application is in the foreground. Is there a way to do such thing The ActivityManager tells me if my application is running but not whether it is in the foreground. The problem is pretty much the same as described..
http://stackoverflow.com/questions/2317428/android-i-want-to-shake-it will refresh my Android application. All I find of documentation involves implementing the SensorListener but Eclipse tells me it's deprecated and suggest SensorEventListener. Anybody that has a nice guide to how I go about creating this shake..
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 share improve this question The T Mobile 'My Account app does this if you are connected to a WiFi connection it tells you that their program will not work over WiFi and then asks the user if they want to turn off the WiFi connection. If you..
Volume Control in android application http://stackoverflow.com/questions/2539264/volume-control-in-android-application much better to simply use this one line setVolumeControlStream AudioManager.STREAM_MUSIC in your onCreate method. That tells the OS that the volume buttons should affect the media volume when your application is visible and that's the volume it..
More efficient way of updating UI from Service than intents? http://stackoverflow.com/questions/2621395/more-efficient-way-of-updating-ui-from-service-than-intents I have a bound service that needs to update the UI as well much simpler than yours but the same idea and it basically tells the app its new state and the app can then pass this information along in one way or another to the currently active activity...
Detect application heap size in Android http://stackoverflow.com/questions/2630158/detect-application-heap-size-in-android Runtime rt Runtime.getRuntime long maxMemory rt.maxMemory Log.v onCreate maxMemory Long.toString maxMemory This method tells you how many total bytes of heap your app is allowed to use. For item 2 above getMemoryClass which can be invoked as follows.. ACTIVITY_SERVICE int memoryClass am.getMemoryClass Log.v onCreate memoryClass Integer.toString memoryClass This method tells you approximately how many megabytes of heap your app should use if it wants to be properly respectful of the limits of..
Android - Application (apk) Maximum size http://stackoverflow.com/questions/3536463/android-application-apk-maximum-size plenty of available memory... it fails with Failure INSTALL_FAILED_INSUFFICIENT_STORAGE The File Manager application tells me that im using 60 147MB 40 . The limit seems be 147 MB but in practice as i have tested this is not true... Update I did..
How to disable Mobile Data on Android http://stackoverflow.com/questions/3644144/how-to-disable-mobile-data-on-android to disable Mobile Data on Android Quick back story before someone tells me to buy an app. I just got an EVO and it chews through the battery fairly quick. I downloaded JuiceDefender to manage..
Best way to have paid and free version of an Android app http://stackoverflow.com/questions/3711967/best-way-to-have-paid-and-free-version-of-an-android-app with better features. I can't upload the same up with some changed constants to unlock those features as the Market tells me I already have an app with that package name in the market. What's the cleanest way of doing this android share improve..
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 case and works properly but I actually still end up with the same problem i.e. whites gain coloring . Further reading tells me that this is because it's doing the conversion on RGB values whereas for hue shifting the values should first be converted..
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 you will get errors saying cannot find the symbols eap phase client_cert and so on. A little detailed investigation tells us EnterpriseField is private inside WiFiConfiguration class and all the symbols we cannot find are of the type EnterpriseField..
How to install trusted CA certificate on Android device? http://stackoverflow.com/questions/4461360/how-to-install-trusted-ca-certificate-on-android-device install the certificate from SD card by copying it and using the according option from the settings menu. The device tells me that the certificate has been installed but apparently it does not trust the certificate. Moreover when I try to copy..
http://stackoverflow.com/questions/4597690/android-timer-how int minutes seconds 60 seconds seconds 60 text3.setText String.format d 02d minutes seconds h2.postDelayed this 500 tells handler to send a message class firstTask extends TimerTask @Override public void run h.sendEmptyMessage 0 tells activity.. tells handler to send a message class firstTask extends TimerTask @Override public void run h.sendEmptyMessage 0 tells activity to run on ui thread class secondTask extends TimerTask @Override public void run main.this.runOnUiThread new Runnable..
Why does ContentResolver.requestSync not trigger a sync? http://stackoverflow.com/questions/5253858/why-does-contentresolver-requestsync-not-trigger-a-sync com.android.contacts android accountType com.google android userVisible true Okay so what does this do It tells Android that the sync adapter we've defined the class that was called out in the name element of the service tag that includes..
How can I manage audio volumes sanely in my Android app? http://stackoverflow.com/questions/628659/how-can-i-manage-audio-volumes-sanely-in-my-android-app the behavior of the volume keys. Call this API in your onCreate setVolumeControlStream AudioManager.STREAM_MUSIC This tells the AudioManager that when your application has focus the volume keys should adjust music volume. share improve this answer..
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