我正在开发一个新的应用程序，它从本地数据库获取数据并将其上传到云端，但过了一段时间后，它会显示应用程序没有响应的提示。
我查看了logcat调试程序日志，但无法确定问题。我使用gennymotion作为虚拟设备来测试应用。
任何人都可以帮我解决这个问题吗？
public class MainActivity extends AppCompatActivity implements SmartScheduler.JobScheduledCallback,NavigationView.OnNavigationItemSelectedListener{
String str;
ProgressBar pb;
TextView textView;
private static final int JOB_ID = 1;
private static final String TAG = MainActivity.class.getSimpleName();
private static final String JOB_PERIODIC_TASK_TAG = "io.hypertrack.android_scheduler_demo.JobPeriodicTask";
String Ip="";
String Interval="";
private String intervalInMillisEditText;
JSONArray jsonArray;
static final String UrlPost = "serverIp";
final String TenantId = "Specific string";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Progress bar code is here
pb = (ProgressBar) findViewById(R.id.progressBar);
pb.setVisibility(View.GONE);
//for the textView of loading...
textView = (TextView) findViewById(R.id.textView);
//nevigations
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
//get the interval values from Database
LoadDatabaseData();
}
public void LoadDatabaseData(){
List<IpAddressInverval> listIp = IpAddressInverval.listAll(IpAddressInverval.class);
for (IpAddressInverval ips:listIp) {
Ip= ips.getIpAddress();
Interval = ips.getInterval();
System.out.println("Ip "+Ip);
System.out.println("Interval is "+Interval);
}
}
public void gotoServicePage(View view){
//get the interval values from Database
LoadDatabaseData();
// Button btnstart = (Button) findViewById(R.id.button);
// btnstart.setVisibility(View.GONE);
if(Ip.matches("") || Interval.matches("")) {
Toast.makeText(this, "Please Fill the Parametters", Toast.LENGTH_SHORT).show();
}
// if(Interval.matches("")){
//
// Toast.makeText(this, "Please Fill the Parametters", Toast.LENGTH_SHORT).show();
//
// }
else
{
// CallApi();
SmartScheduler jobScheduler = SmartScheduler.getInstance(this);
// Check if any periodic job is currently scheduled
if (jobScheduler.contains(JOB_ID)) {
removePeriodicJob();
return;
}
// Create a new job with specified params
Job job = createJob();
if (job == null) {
Toast.makeText(MainActivity.this, "Invalid paramteres specified. " +
"Please try again with correct job params.", Toast.LENGTH_SHORT).show();
return;
}
// Schedule current created job
if (jobScheduler.addJob(job)) {
Toast.makeText(MainActivity.this, "Job successfully added!", Toast.LENGTH_SHORT).show();
}
}
}
//call the api and get the data
public void CallApi(){
String AddressIp = "http://"+Ip+":5700/api/values";
new AsyncHttpClient().get(AddressIp, new TextHttpResponseHandler() {
@Override
public void onStart() {
// pb.setVisibility(View.VISIBLE);
textView.setVisibility(View.VISIBLE);
textView.setText("Loading....");
}
@Override
public void onFailure(int statusCode, Header[] headers, String responseString, Throwable throwable) {
Toast.makeText(MainActivity.this, responseString, Toast.LENGTH_SHORT).show();
}
@Override
public void onSuccess(int statusCode, Header[] headers, String responseString) {
str= responseString;
// Toast.makeText(MainActivity.this, "Data Received", Toast.LENGTH_SHORT).show();
try {
SpliterStringMethod(str);
} catch (IOException e) {
e.printStackTrace();
} catch (JSONException e) {
e.printStackTrace();
}
pb.setVisibility(View.GONE);
textView.setVisibility(View.GONE);
}
});
}
//spli the strinh into the array
public void SpliterStringMethod(String values) throws IOException, JSONException {
//unquote the string for the data..
values = values.replaceAll("^\"|\"$", "");
//split on the baseis of '#'
String[] lineString = values.split("#");
for (int i = 0; i < lineString.length; i++) {
double idTicket = 0;
System.out.println(lineString[i]);
String[] valuesString = lineString[i].split(",");
System.out.println("inner loop");
//fETCH THE ID FROM DB if ticket exist then update else insert into it
Ticket ticket = new Ticket();
List<Ticket> num = ticket.find(Ticket.class, "TICKETNO = " + valuesString[3]);
if (num.size() != 0) {
for (Ticket item : num) {
System.out.println("Fetching the id= " + item.getId());
idTicket = item.getId();
}
}
if (idTicket == 0) {
Ticket newTicket = new Ticket(Integer.parseInt(valuesString[1]), Integer.parseInt(valuesString[2])
, Integer.parseInt(valuesString[3]), Integer.parseInt(valuesString[4]),
Integer.parseInt(valuesString[5]));
newTicket.save();
System.out.println("Ticket Saved!..");
} else {
//update queue id
Ticket newqueuid = Ticket.findById(Ticket.class, (int) idTicket);
newqueuid.setPosition_in_queue(Integer.parseInt(valuesString[5])); // modify the values
newqueuid.save(); // updates the previous entry with new values.
System.out.println("Ticket Updated!..");
idTicket = 0;
}
}
}
//fetch the data from the Database
public void getTableData(){
//call the ticket table to get the values
List<Ticket> ticketAll = Ticket.listAll(Ticket.class);
jsonArray = new JSONArray();
for(int i=0;i<ticketAll.size();i++)
{
// JSONObject jGroup1 = new JSONObject();
Map jGroup1 = new LinkedHashMap();
jGroup1.put("track_no",ticketAll.get(i).getTrack_no());
jGroup1.put("time_no",ticketAll.get(i).getTime_no());
jGroup1.put("ticket_no",ticketAll.get(i).getTicket_no());
jGroup1.put("branch_id",ticketAll.get(i).getBranch_id());
jGroup1.put("position_in_queue",ticketAll.get(i).getPosition_in_queue());
jsonArray.put(new Gson().toJson(jGroup1, Map.class));
}
String str = POST(UrlPost,"");
}
public String POST(String url, String json){
enableStrictMode();
HttpResponse response = null;
HttpClient httpclient= null;
httpclient = new DefaultHttpClient();
HttpGet request = new HttpGet();
try {
request.setURI(new URI("IP"));
response = httpclient.execute(request);
}
catch (URISyntaxException e) {
e.printStackTrace();
}
catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
EntityUtils.consumeQuietly(response.getEntity());
InputStream inputStream = null;
String result = "";
try {
// 2. make POST request to the given URL
HttpPost httpPost = new HttpPost();
// 4. convert JSONObject to JSON to String
json = jsonArray.toString();
json = json.replace("\\","").replace("\"{" ,"{").replace("}\"" ,"}");
String userName ="admin";
String password = "******";
String base64EncodedCredentials = "Basic " + Base64.encodeToString(
(userName + ":" + password).getBytes(),
Base64.NO_WRAP);
httpPost.setHeader("Authorization", base64EncodedCredentials);
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("TenantId", TenantId));
nameValuePairs.add(new BasicNameValuePair("JsonData", json));
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
httpPost.setURI(new URI(UrlPost));
response = httpclient.execute(httpPost);
boolean responseBody = Boolean.parseBoolean(EntityUtils.toString(response.getEntity()));
if ( (response.getStatusLine().getStatusCode()== HttpsURLConnection.HTTP_OK) && responseBody==true ){
Toast.makeText(MainActivity.this, "Updated Data", Toast.LENGTH_SHORT).show();
}
System.out.println(responseBody+" values is");
} catch (Exception e) {
Log.d("InputStream", e.getLocalizedMessage());
}
// 11. return result
return result;
}
public void enableStrictMode()
{
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
//for the time schedular functions
private Job createJob() {
int jobType = 3;
boolean isPeriodic = true;
Long miliSecondsInterval = Long.parseLong(Interval)*1000;
intervalInMillisEditText=Long.toString(miliSecondsInterval) ;
String intervalInMillisString = intervalInMillisEditText;
if (TextUtils.isEmpty(intervalInMillisString)) {
return null;
}
Long intervalInMillis = Long.parseLong(intervalInMillisString);
Job.Builder builder = new Job.Builder(JOB_ID, this, jobType, JOB_PERIODIC_TASK_TAG)
.setIntervalMillis(intervalInMillis);
if (isPeriodic) {
builder.setPeriodic(intervalInMillis);
}
return builder.build();
}
private void removePeriodicJob() {
SmartScheduler jobScheduler = SmartScheduler.getInstance(this);
if (!jobScheduler.contains(JOB_ID)) {
Toast.makeText(MainActivity.this, "No job exists with JobID: " + JOB_ID, Toast.LENGTH_SHORT).show();
return;
}
if (jobScheduler.removeJob(JOB_ID)) {
Toast.makeText(MainActivity.this, "Job successfully removed!", Toast.LENGTH_SHORT).show();
}
}
@Override
public void onJobScheduled(Context context, final Job job) {
if (job != null) {
runOnUiThread(new Runnable() {
@Override
public void run() {
// System.out.println("Shahbaz is running");
// Toast.makeText(MainActivity.this, "Job: " + job.getJobId() + " scheduled!", Toast.LENGTH_SHORT).show();
CallApi();
getTableData();
}
});
Log.d(TAG, "Job: " + job.getJobId() + " scheduled!");
}
}
//nevigation
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.newItem1) {
Intent intent = new Intent(this,SecondActivity.class);
startActivity(intent);
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
public void onResetSchedulerClick(MenuItem item) {
SmartScheduler smartScheduler = SmartScheduler.getInstance(getApplicationContext());
smartScheduler.removeJob(JOB_ID);
Toast.makeText(this, "Service has been Stoped!", Toast.LENGTH_SHORT).show();
// Button btnstart = (Button) findViewById(R.id.button);
// btnstart.setVisibility(View.VISIBLE);
// smartJobButton.setText(getString(R.string.schedule_job_btn));
// smartJobButton.setEnabled(true);
// smartJobButton.setAlpha(1.0f);
}
}