Eclipse comes with some hiccup now and then when developing for Android. This error occurred after creating a new project and opening the layout xml file. Failed to convert @drawable/picture into a drawable This is not an error in your code but some strange issue in Eclipse. Restart Eclipse (unfortunately) and the problem will go away.
The buttons for bluetooth and wifi in the Quick Settings Toggles in Android is not a toggle, it will open the menu in settings for either bluetooth or wifi. However in the newly release version of Android, 4.2.2 you can do a long press to toggle the options. For more information and features:
To make a strike in your TextView in Android use the setPaintFlags like this: TextView tv=(TextView) v.findViewById(android.R.id.text1); tv.setPaintFlags(tv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG); If you’re using Html.fromHtml to set the text you can’t unfortunately use the <strike> as this is not supported for Android at this moment (in Jelly Bean).
When editing xml layout file for Android in Eclipse you might encounter the xml being wrong, flipping and broken. When changing tabs between the graphical layout and the xml file, the lines of code will start disappearing or moving around. It becomes even more visible when highlighting a block of text. To fix this you can disable this
Developer Options is gone, almost. It’s not just on Nexus 7 or Galaxy Nexus. Google has hidden the developer settings in the latest version of Jelly Bean, 4.2 for some reason. You can however easily enable it again. Go to the settings menu, and scroll down to and click “About phone.” Scroll down to the bottom
To search in your project in Eclipse do the following: Ctrl + H Choose File Search for plain text in project. Choose the relevant tab for a specific expression searches.
To set the EditText in Android you first need to set the textCursorDrawable to null. This is needed for Android 3.2 and up. android:textCursorDrawable=”@null” Setting this will result in the cursor color will be set to the textColor android:textColor
When you compile an android project from its xml resource, Eclipse considers it as executing xml file and so you get some output from it, in the same name of the xml with .out.xml extension. And you’ll end up with an *.out.xml file and the error res\layout\main.xml:0: error: Resource entry main is already defined. To
In Android to get the width and height of an image from your res folder do the following: BitmapDrawable bd = (BitmapDrawable) this.getResources().getDrawable(R.drawable.icon); int height = bd.getBitmap().getHeight(); int width = bd.getBitmap().getWidth(); If you want the width and height depending the target density you can use the intrinsic values: BitmapDrawable bd = (BitmapDrawable) this.getResources().getDrawable(R.drawable.icon); int imageHeight =
The android_winusb.inf file is in a subfolder of the Android SDK directory, specifically: ..\android-sdk\extras\google\usb_driver\android_winusb.inf In older version of the sdk it was in ..\android-sdk\usb_driver\android_winusb.inf Depending on the installation and updates you might have both. The file in extras is the newest.