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My phone is the Sharp Aquos[^]
I connect the USB cable to a charging adapter in the wall.
The little red light comes on, properly indicating the state of charging a non-full battery.
Some indeterminate amount of time passes.
The charging stops.
I thought it was a hardware problem with the physical plug itself. I took it to the Sprint store. The technician examined it and reported that the plug was okay, and suggested a faulty USB cable.
I purchased a USB charging kit (small AC Plug with adapter with USB cable which fits the phone).
I tried it, and it worked okay for a day or two.
A few days later the behavior returned.
I did the following experiment...
- Plugged the charger into the wall.
- This AC outlet is controlled by a switch on the other side of the room.
- After charging for awhile, the red light goes off
- Without touching the phone or cord, I turned the power (to that outlet) off
- The phone sensed the loss of power, and the android screen appeared
- I turned the power back on
- The charging light came back on
- A few minutes later, the charging LED goes off again
- A check with the system tells me that the battery is not charging
I am confused. Why does my phone hate me ?
I tried turning the entire phone off for ten seconds and then back on.
That fixes the problem for a few minutes, after which, it resumes.
However,,,,,,,,,,,,,,,
Sometimes the phone will properly charge all night long and the LED charging indicator will change from red to green.
Has anyone experienced this problem before, and fixed it ?
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What coding skills one need to develop app like whatsapp for android ? on client side and server side?
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You need the skills to develop an Android app, and a website, and a good knowledge of client server architecture. Google will lead you to many samples and tutorials.
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What exactly is your Android mobile development question? 
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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I was to build a simple e-retail android application for our shop. It should have basic features like add to cart, payment and search features. I am comfortable with the basics of android. However, i am still not aquatinted with back-end and server-side development. Please can anyone suggest suitable sites or links to guide me for this project?
(PS: I want to develop the app myself rather than taking help from any external app development company etc.)
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I am confused which should I learn, Python/Django or Node.js/Express.
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Learn how to consume REST APIs in Android applications. Then, create a RESTful API to communicate with the cloud. Other frameworks may have other confusion in them and that is one of the reasons why I don't use those frameworks.
Create a simple web applications, Node.js, PHP, ASP.NET, doesn't matter. Allow users to connect using native HTTP protocol, to RESTful APIs, where the communication input and outputs are natively in JSON (no overhead). Then, program the rest of the parts of the application to use that JSON content, and upload the JSON content. For bulk or blob publishing, accept the files and set the enctype to multipart/form-data.
Connecting to the Network | Android Developers[^]
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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here is the logcat
Quote: 07-26 19:48:22.594 2618-2618/com.example.example E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.example, PID: 2618
java.lang.NullPointerException: storage == null
at java.util.Arrays$ArrayList.<init>(Arrays.java:38)
at java.util.Arrays.asList(Arrays.java:155)
at android.widget.ArrayAdapter.<init>(ArrayAdapter.java:128)
at com.example.example.CustomList.<init>(CustomList.java )
at com.example.example.MainActivity1.showJSON(MainActivity1.java:59)
at com.example.example.MainActivity1.access$000(MainActivity1.java:18)
at com.example.example.MainActivity1$1.onResponse(MainActivity1.java:42)
at com.example.example.MainActivity1$1.onResponse(MainActivity1.java:39)
at com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:67)
at com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:30)
at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5254)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
MainActivity1.java
package com.example.example;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
public class MainActivity1 extends AppCompatActivity implements View.OnClickListener {
public static final String JSON_URL = "https://drive.google.com/file/d/0B12MlCDj9SefUS1TbW5LVmc0OGM/view?usp=sharing";
private Button buttonGet;
private ListView listView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
buttonGet = (Button) findViewById(R.id.buttonGet);
buttonGet.setOnClickListener(this);
listView = (ListView) findViewById(R.id.listView);
}
private void sendRequest(){
StringRequest stringRequest = new StringRequest(JSON_URL,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
showJSON(response);
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(MainActivity1.this,error.getMessage(),Toast.LENGTH_LONG).show();
}
});
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}
private void showJSON(String json){
ParseJSON pj = new ParseJSON(json);
pj.parseJSON();
CustomList cl = new CustomList(this, ParseJSON.ids,ParseJSON.names,ParseJSON.emails);
listView.setAdapter(cl);
}
@Override
public void onClick(View v) {
sendRequest();
}
}
CustomList.java
package com.example.example;
import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
public class CustomList extends ArrayAdapter<String> {
private String[] ids;
private String[] names;
private String[] emails;
private Activity context;
public CustomList(Activity context, String[] ids, String[] names, String[] emails) {
super(context, R.layout.list_view_layout, ids);
this.context = context;
this.ids = ids;
this.names = names;
this.emails = emails;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = context.getLayoutInflater();
View listViewItem = inflater.inflate(R.layout.list_view_layout, null, true);
TextView textViewId = (TextView) listViewItem.findViewById(R.id.textViewId);
TextView textViewName = (TextView) listViewItem.findViewById(R.id.textViewName);
TextView textViewEmail = (TextView) listViewItem.findViewById(R.id.textViewEmail);
textViewId.setText(ids[position]);
textViewName.setText(names[position]);
textViewEmail.setText(emails[position]);
return listViewItem;
}
}
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It is difficult to see exactly which variable is null, but it looks like you are sending a null value from the CustomList constructor, to create the new ArrayAdapter. You should look at your ParseJSON class to see what values it is returning.
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As the exception shows, the problem is a null pointer being referenced with the CustomList class. The line number has been replaced by a blushing emoticon, but as Richard has indicated, the problem may have originated a bit further upstream. Have you stepped through the code using the debugger? What about some strategically placed try/catch blocks?
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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how to implement actions example screen lock/unlock,wifi on/off on single tap and double tap on the proximity sensor?
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As with most such questions there is only one answer:
1. Start with some (a lot of) research.
2. Study the documentation and sample code.
3. Write your application.
4. Build and test, correcting any and all bugs.
5. Repeat 4 until everything works.
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please suggest some link for the sample code... 
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Break your problem down into a handful of smaller problems. Work on them individually. Then you can slowly bring them all together into a unified app. Trying to do ALL of this as a beginner is only going to frustrate you (and whoever you ask for help).
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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how i find coding in xml file
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Sorry, but your question makes no sense. Please edit your post and try explaining exactly what problem you are trying to solve.
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XML files are readable files. The codes in XML files are available in the Android Studio and you can edit them right away.
If I understand correctly, your problem is viewing the XML code instead of the Design tab. For that, look at the bottom[^] of your editor, there are two options:
- Design
- Text
You can use these options to alter the states of drag-and-drop design or text-based editing of the views.
The sh*t I complain about
It's like there ain't a cloud in the sky and it's raining out - Eminem
~! Firewall !~
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I wanna make Notification in Exact time "Working in background"Android App.
but that open Loop Take all the Battry lifetime !.. So I'm looking for New Way To make it ryt ,is there Better Way ?
public void run() {
BckGround",Toast.LENGTH_LONG).show();
Calendar c = Calendar.getInstance();
Notification notification=new Notification();
notification.sound= Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE+":
int sec = c.get(Calendar.SECOND);
int hours= c.get(Calendar.HOUR_OF_DAY);
int minites=c.get(MINUTE);
int x,y,x2,y2,f,x3,y3,x4,x5,y4,y5;
String Min,hou;
x=19;y=1;
x2=16;y2=1;
x3=18;y3=1;
x4=20;y4=1;
x5=22;y5=1;
f=0;
int d,mo;
d=18;
mo=7;
double Marroftime=720000;
Calendar cn= Calendar.getInstance();
int day=cn.get(Calendar.DAY_OF_WEEK);
int month=cn.get(Calendar.MONTH);
while (true) {
c = Calendar.getInstance();
hours = c.get(Calendar.HOUR_OF_DAY);
minites = c.get(MINUTE);
Min="M is: "+ minites;
hou="H is: "+hours;
if ((hours==x) && (minites==y)&&(f!=minites)){
this.nb.setContentTitle("string");
this.nb.setContentText("Another String");
this.mn.notify(100, nb.build());
f=minites;
try {
Thread.sleep((long) Marroftime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
else if ((hours==x2) && (minites==y2)&&(f!=minites)){
this.nb.setContentTitle("time");
this.nb.setContentText("now is time");
this.mn.notify(100, nb.build());
f=minites;
try {
Thread.sleep((long) Marroftime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
else if ((hours==x3) && (minites==y3)&&(f!=minites)){
this.nb.setContentTitle("now ");
this.nb.setContentText("now is time");
this.mn.notify(100, nb.build());
f=minites;
try {
Thread.sleep((long) Marroftime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
else if ((hours==x4) && (minites==y4)&&(f!=minites)){
this.nb.setContentTitle("String");
this.nb.setContentText("String");
this.mn.notify(100, nb.build());
f=minites;
try {
Thread.sleep((long) Marroftime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
else if ((hours==x5) && (minites==y5)&&(f!=minites)){
this.nb.setContentTitle("String");
this.nb.setContentText("String NEw");
this.mn.notify(100, nb.build());
f=minites;
try {
Thread.sleep((long) Marroftime);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
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Member 12509947 wrote: I wanna make Notification in Exact time "Working in background"Android App.
What exactly does this mean, and how does it relate to the subject?
As far as the TZ goes, see here. Among other things, you can get the name of your timezone and/or it's offset from UTC.
"One man's wage rise is another man's price increase." - Harold Wilson
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
"You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles
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POST /WSVistaWebClient/LoyaltyService.asmx HTTP/1.1
Host: api.vista.co.nz
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://vista.co.nz/services/WSVistaWebClient.ServiceContracts/1/CreateMember"
="1.0"="utf-8"
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<CreateMemberRequest xmlns="http://vista.co.nz/services/WSVistaWebClient.DataTypes/1/">
<LoyaltyMember>
<MemberId>string</MemberId>
<FirstName>string</FirstName>
<LastName>string</LastName>
<FullName>string</FullName>
<CardNumber>string</CardNumber>
<MobilePhone>string</MobilePhone>
<HomePhone>string</HomePhone>
<Email>string</Email>
<ClubID>string</ClubID>
</LoyaltyMember>
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I am confused.. it looks like a server side question.. What is it doing here?
Anyhow, I would go ahead, assume it's a mistake and give you a server side answer.
There are 2 answers which comes to my mind to that server side question:
- You should write a nice C# service class, here is how to get started with Web Services with ASP.NET
- You can always, if you so choose, pare the XML yourself with the like of XmlElement Class (System.Xml)[^]
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I want to change audio tempo using programming code below Android API 5.0.
Help me!
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