Recent questions tagged Android

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android - Error while Launching activity

I recently downloaded Android Studio 2.0 and create a new startup app and did not add anything code by myself. ... World!" /> </RelativeLayout> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Keytool alias does not exist

I am trying to get my debug.keystore md5 key so I can get the API key for Google Maps. I run the command: ... not exist What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - onKeyListener not working on virtual keyboard

I don't understand why this piece of code is not working. Only backspace and return key are detected. Listener doesn't ... ); return true; } }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - gradle, Could not expand ZIP appcompat-v7:19.0.1

I have a problem with Android Studio and Gradle to import appcompat-v7. So here is my src/build.gradle: apply plugin ... -v7-19.0.1.aar'. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - proguard.cfg file missing

Reading the docs on proguard . . . android docs I'm supposed to have a ProGuard.cfg as it says... " ... enabled for release builds? thanks, Gary See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to detect whether screen is on or off if API level is 4?

I am wondering to know how to detect screen dim or brightness on Android 1.6. I've found a solution on API ... . Can you suggest me ? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Simple TextView.setText causes 40% CPU Usage

Running my application causes ~40% CPU usage on my Phone: final String position = String.format("%02d:%02d: ... anybody an explanation for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - ScrollView not scrolling at all

I can't make a ScrollView properly scrolling. It always cut off the content on the bottom, as if it were ... be used for horizontal scrolling. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - SimpleCursorAdapter deprecated in API version 15?

SimpleCursorAdapter deprecates one of its constructors with the following comment: Deprecated. This option is discouraged ... is not deprecated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Disappearing divider in ListView when ArrayAdapter.isEnabled returns false

I'm using ListActivity with my own ArrayAdapter class. When I override the methods ArrayAdapter.areAllItemsEnabled() ... for disabled cells. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - getParentFragment returning null

I have a Fragment that has a FrameLayout. This first fragment (A) loads inside its Framelayout another fragment ... method be used properly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - XML Table layout? Two EQUAL-width rows filled with equally width buttons?

Here's a part from my XML for LAND format: <TableLayout android:layout_height="wrap_content" android:layout_width=" ... not equally width... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

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android - Samsung "App optimisation" feature kills background applications after 3 days

We are currently developing an Android app that is a fitness-tracker application. It runs constantly in the ... be breaking their experiences. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - IllegalArgumentException: Parameter specified as non-null is null

I'm getting the following runtime error: checkParameterIsNotNull, parameter oneClickTokens at com.info.app.fragments. ... I've missed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to find out which view is focused?

I need to find out if any view is focused inside an Activity and what view it is. How to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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548 views

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android - App is misconfigured for Facebook Login with Release Key Hash

I've intergrated Facebook to my App. I tested my App with Debug Key Hash was alright in emulator and my device ... for few days. Thanks a lot! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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360 views

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android - Google coordinate authentication

When I try to connect to Google coordinate, I always get an exception GoogleAuthException. I have a ... 24800): mGoogleCoordinatetoken =null See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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android - ADB Receive broadcast BOOT_COMPLETE

I want to wait until the android mobile phone has started and the MediaScanner is done. Afterwards I want to ... know whether this is possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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467 views

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android - Get Heart Rate from "Sensor" Samsung Gear Live

How do I get the heartrate from the attached sensor on the Samsung Gear Live I just tried to list all Sensors ... at them? Thanks and Greets. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to maintain the previous state of an activity

I am having two activities (activity1 and activiy2) and each activity is having one button each. In activity1 i ... a bit. Thanks in adavnce See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to link any library in ndk application

From this tutorial. see i have one pre-built static library named as stackoverflow.a and it has stackoverflow. ... /libndk_demo.so] Error 1 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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433 views

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android - How to know my app is uninstalled from the device...?

I have an app installed in many devices. If app is uninstalled from any of the device I need an indication. How ... this. Thanks in advance...! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

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android - URI from Intent.ACTION_GET_CONTENT into File

Launch photo picker using Intent.ACTION_GET_CONTENT Retrieve URI of selected item Retrieve PATH of URI so that I can ... null, help please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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425 views

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android - Sending SMS via an Intent and know if the SMS has been sent or not

I tried to send an sms via an Intent with this code: Intent intent = new Intent(Intent.ACTION_VIEW); intent. ... an interface that sends SMS. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to make a Wheel picker

I am trying to make a wheel picker like this I have tried downloading this project but the only files included in ... you for the advice so far. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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android - open a specific activity from firebase notification

I integrated firebase notification to my application but I would like to send a notification that opens a specific ... get this to work? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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332 views

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android - Different row layouts in ListView

This post is related to this ViewHolder not working. On that post, I was following a tutorial on how to use ... Could anybody help me with this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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384 views

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android - How to get obj key from FirebaseListAdapter on Item Click. FirebaseUI

When subclassing FirebaseListAdapter in FirebaseUI how can one get the obj key of the item clicked? FirebaseListAdapter has ... ).hashCode(); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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