If you have already canceled one timer, you can’t re-start it, you’ll have to create a new one. See this answer, it contains a video and the source code how I did something similar. Basically there are two method: pause and resume In pause: In resume: That makes the perception of pause/resume. If your timers perform … Read more
Set also android:gravity parameter in TextView to center. For testing the effects of different layout parameters I recommend to use different background color for every element, so you can see how your layout changes with parameters like gravity, layout_gravity or others.
when I tried to run my application its show the error below How can I solve this error?
You have to move the portion of the background task that updates the UI onto the main thread. There is a simple piece of code for this: Documentation for Activity.runOnUiThread. Just nest this inside the method that is running in the background, and then copy paste the code that implements any updates in the middle … Read more
Run your application in debug mode by clicking on in the upper menu of Android Studio. In the bottom status bar, click 5: Debug button, next to the 4: Run button. Now you should select the Logcat console. In search box, you can type the tag of your message, and your message should appear, like … Read more
I thought Activity was deprecated No. So for API Level 22 (with a minimum support for API Level 15 or 16), what exactly should I use both to host the components, and for the components themselves? Are there uses for all of these, or should I be using one or two almost exclusively? Activity is … Read more
Make sure adb is in your user’s $PATH variable. or You can try to locate it with whereis and run it with ./adb
Try to upgrade your buildToolsVersion to “23.0.1”, like this: If you didn’t install the buildTools for this version, please download it with SDKManager as hint.
You must be providing the wrong path to the debug.keystore file. Follow these steps to get the correct path and complete your command: In eclipse, click the Window menu -> Preferences -> Expand Android -> Build In the right panel, look for: Default debug keystore: Select the entire box next to the label specified in … Read more
I get the Error when I switch via the portrait and the landscape mode. I’m using fragments. My xml is: If I switch via landscape and portrait mode everything works fine. But when I click on my fragment (and I can see my fragment) and then switch to the other mode I get the error. … Read more