Recent questions tagged Android

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android - What method is being called when I close an app

I read all about the activity lifecycle and it's methods. I still couldt find an answer: When I close my ... here before) 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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android - Dimension of soft buttons bar

Is there a way to determine the dimension (width) of the menu bar of devices without hard menu buttons? (like ... dimension of the screen... 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 - Volley - how to send DELETE request parameters?

I'm trying to use Volley to send a DELETE type request to my server and add parameters to the request. So ... to a DELETE request in Volley? 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 - FirebaseStorage returning unknown error when requesting image

I am trying to pull in an image I have added to my firebase storage on an Android device. Every time this runs I ... + e.getMessage()); } }); 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 - When do I use setState in Flutter?

As newbie in flutter it's very confusing for me when use setState in Flutter application. In below code boolean searching ... (res.body); }); } See Question&Answers more detail:os...

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

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413 views

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android - Glide images sometimes are not loading

Is a quiz game and the answer can be text or image, i'm using Gilde image to load it but for ... :orientation="vertical"> </LinearLayout> 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 - Setting the background of an Activity

In the onCreate() method of my Activity, I grab the outermost LinearLayout of the Activity's layout. I ... and closing the hardware keyboard. See Question&Answers more detail:os...

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

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183 views

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android - in gridview checkbox is unchecked while scrolling gridview up and down

I have a GridView and I have put a checkbox and imageview. The problem is that when I check this checkbox and scroll ... ,"unchecked"); } } }); See Question&Answers more detail:os...

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

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266 views

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android - Passing arraylist in intent from one activity to another

I have a class 'Product' and i need to pass the arraylist of 'Product' objects from one activity to another. ... of objects in intents? 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 - Genymotion error :Unable to create the virtual device server returned HTTP status code 403

I'm trying to add a device on Genymotion Android Emulator, but after i select android device and press install i ... do to resolve this error? See Question&Answers more detail:os...

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

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228 views

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android - Sms doesn't save on Kitkat 4.4 <Already set as default messaging app>

My Sms app does not save the sms to the device even though I already set it as the default messaging. I need to ... inst.updateList(msg); } } } See Question&Answers more detail:os...

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

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166 views

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android - Updating preferences in real time

I have a Preferences Screen which has some prefs that are interconnected. Which means, if I have pref x and y ... to reload the prefs screen? See Question&Answers more detail:os...

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

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227 views

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android - How to save JSON from url and update the saved file from url after fixed interval say 5 min

I want to save a JSON file from url locally in my app and also since JSON file is getting updated ... in backend(without affecting frontend) See Question&Answers more detail:os...

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

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496 views

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android - How to dynamically select text from EditText OnClickListener?

I want to use the android select text functionality on OnClickListener rather than onlongclicklistener. Is there any ... regarding this? 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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430 views

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android - findViewById returns null in fragment

I have problem using the findViewByID methond in a fragment. The spinner in Spinner spinner = (Spinner) view. ... > Any help is appreciated! See Question&Answers more detail:os...

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

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481 views

1 answer

android - Not able to get getDuration() for AAC file using ExoPlayer

I have been trying to stream a URL using ExoPlayer. The URLs: STREAM_URL_1 = "http://storage.googleapis. ... ); player.setPlayWhenReady(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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171 views

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android - Can't check if file on sdcard exists

I'm trying to make a simple check if the file exist. I saw similar questions here, but they didn't help ... /uses-permission> 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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207 views

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android - The source attachment does not contain the source for the file Layoutinflater.class

I'm trying to write an android application that uses google maps api version 2. In Debug the application crashes when ... (userCoord, 15)); } } See Question&Answers more detail:os...

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

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210 views

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android - Is it possible get which surface of cube will be click in OpenGL?

I already create a cube and its spin perfectly. And my task is which spinning cube you click. ex, ... .glDisable(GLES20.GL_TEXTURE_CUBE_MAP); } See Question&Answers more detail:os...

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

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224 views

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android - Mixing Audio Files

I have few audio files: f_1 - length 10 sec f_2 - length 3 sec f_3 - length 1 sec What I need ... documentation that might help? Many 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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148 views

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android - Custom ListView adapter, strange ImageView behavior

I have a custom ListView Adapter, with which I'm creating rows for a list. My problem is though, that it doesn't seem ... )); } }); return v; } See Question&Answers more detail:os...

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

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154 views

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android - Playing audio file from Sdcard

I would like to play an audio file from the sdcard. How can I read the audio file and play it? Below is my ... to fix this as soon as 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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124 views

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android - AlarmManager and WakeLock

I want to use an alarm manager in my activity. I set up an alarm at the onPause method of main activity like ... , and I am in code blidness. See Question&Answers more detail:os...

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

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182 views

1 answer

android - Youtube Video in WebView doesn't load

I've implemented a WebView in my Activity, for that I've given the permission <uses-permission android:name=" ... be the problem. Any help? See Question&Answers more detail:os...

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

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204 views

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android - How to programmatically re-apply a 9-patch image to an ImageView?

I have an activity that has an ImageView defined inside a HorizontalScrollView. The image source is a 9-patch file ... (mapNinePatch); } .... 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

1 answer

android - Share image and text through whatsapp

I use the following code to share an image and text through WhatsApp. It only shares the image, not the text, ... /text"); } return shareIntent; See Question&Answers more detail:os...

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

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247 views

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android - Can you have two activities running at the same time?

What I have is an activity with a severer, and another activity with different information on it. However when I open ... be happy to show it. See Question&Answers more detail:os...

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

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129 views

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android - How does findViewById work?

package com.example.dell.helloworld; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import ... for given id? See Question&Answers more detail:os...

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

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