android

问题 I found a very strange behaviour in my AppCompatCheckBox, already searched a fix for it but didn't find, that's why I decided to ask here. I was trying to change the checked AppCompatCheckBox color programatically (as my app's color scheme changes dinamically, I can't use the XML attributes to color the CheckBox), so I used this approach: chkTos = (AppCompatCheckBox) findViewById(R.id.checkboxTos); ColorStateList colorStateList = new ColorStateList( new int[][]{ new int[]{-android.R.attr

问题 I am trying to record from mic and send the recorded data to only the left channel separately having zeroes on the right channel but my technique does not seem to work.. I am using audio record and audio track with PCM 16 and mono Mode what do I seem to do wrong ? package com.example.leftrighttest; import android.media.AudioFormat; import android.media.AudioManager; import android.media.AudioRecord; import android.media.AudioTrack; import android.media.MediaRecorder; import android.os.Bundle;

问题 I want to add a Linear gradient color to Status Bar and Toolbar. I am able to add gradient to status bar and toolbar with angle of 0 degree which shows left to right gradient color (pink on left and purple on right) . But I want the gradient flow with angle of 90 degree which is top to bottom or bottom to top (eg: top pink and bottom purple) .I tried but I ended up with this and this.Here status bar and toolbar is being separated, I want both status bar and toolbar to have same gradient color

问题 This is a follow up to the solution to this question: How to extract data from HTML page source of (a tab within) a webpage? I am trying to do the same for Cash Flow Stmt at finance.yahoo.com/quote/AAPL/cash-flow?p=AAPL - using .getJSONObject("dispatcher") .getJSONObject("stores") .getJSONObject("QuoteSummaryStore") .getJSONObject("cashflowStatementHistory") .getJSONArray("cashflowStatements"); trying to extract the value of the key trailingFreeCashFlow - BUT, it failes with the error "No

问题 I'm trying to create a mobile application to add APN(Access Point Network) into mobile application. Then I used ApnSetting.Builder() according to the android documentation follows. package com.example.myapplication; import android.app.admin.DevicePolicyManager; import android.content.ComponentName; import android.content.Context; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.telephony.data.ApnSetting; import android.util.Log; import androidx

问题 I'm trying to create a mobile application to add APN(Access Point Network) into mobile application. Then I used ApnSetting.Builder() according to the android documentation follows. package com.example.myapplication; import android.app.admin.DevicePolicyManager; import android.content.ComponentName; import android.content.Context; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.telephony.data.ApnSetting; import android.util.Log; import androidx

问题 I've been trying to use the Android Documentation to determine how to start an activity with putExtra. My putExtra value is of type String and I've tried numerous combinations of "true", "1", putting the string in quotes. I've tried switching the flags to "-n", "-a", etc... Can somebody point out what I'm doing wrong here? I've ready many other articles but they are usually for some built in intent. I'm starting my own custom intent. Starting an intent with a string key. -e|--es <EXTRA_KEY>

问题 I'm a newbie for android. I've created an app that can read Incoming messages using Android Text-To-Speech. Up to now its fine with it. Now user's want It has to play over paired Bluetooth. I'd read all the forums but i didn't get it. Now how i play my TTS engine on Bluetooth ? Anyone having any idea ? Thanks in advance. 回答1: Use my answer at Using the Android RecognizerIntent with a bluetooth headset And create a speak method like below protected void speak(String text) { HashMap<String,

问题 Click here for an image of the screenshot Trying to create a log-in form which reads information from a firebase database through axios; getting an error related to YogaNodes. Read about this; I think there must be something wrong with the JSX syntax. But both SublimeLinter (the text editor I use) and I can't seem to figure out what's wrong. Pretty sure the components imported (Card, CardSection, Button, Spinner) are fine since those are reusable components I have been using with my other

问题 I am going through the ionic tutorial present in http://ccoenraets.github.io/ionic-tutorial/build-ionic-project.html and ran the app on browser ionic serve and in android using ionic emulate android When I run the app as instructed in tutorial, it works well on my chrome browser but when I try to run on emulator, I dont see any data, its just empty screens with menus. I suspect its the problem with whilelist and added <allow-navigation href="*" /> to my /config.xml file but it still doesn't