why does “usageStatsManager.queryUsageStats()” return list that size is 0?












0















ı made small app that give me app usage but ıts doesn't return anything when ı take my code the my real app.(my old app min sdk version = 15 new one = API 23: Android 6.0)



/ my first app



public class MainActivity extends AppCompatActivity implements View.OnClickListener {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
//Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
//startActivity(intent);
//GetStatus();
TextView textView = (TextView) findViewById(R.id.text_view);
textView.setText("APP USTAGE");
Button button= (Button)findViewById(R.id.But_3);
button.setOnClickListener(this);

}
}

@Override
public void onClick(View v)
{
int HoursBefore = -2;
System.out.println("1--------------------------");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
EditText tmpx = findViewById(R.id.editText2);
HoursBefore = parseInt(String.valueOf(tmpx.getText()));
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
GetStatus(HoursBefore);

System.out.println(" saat degeri : " + HoursBefore);
}

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
public void GetStatus(int HoursBefore){
final UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);

Calendar StartCla = Calendar.getInstance();
StartCla.add(Calendar.HOUR, -HoursBefore);
Calendar EndCla = Calendar.getInstance();

final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());
System.out.println("nn--------------------------------------------------------------------------------------------------------------------------------------------nn");

String res = "";
Date time1 , time2 ;
for (UsageStats app : queryUsageStats) {
if((float) (app.getTotalTimeInForeground() / 1000) != 0){
System.out.println("-------> "+app.getPackageName() + " | " + (float) (app.getTotalTimeInForeground() / 1000));
time1 = new java.util.Date(app.getLastTimeStamp());
time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
res += app.getPackageName() +" -> n"+
time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
+ time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
+ " -- " + app.getTotalTimeInForeground() / 1000 + "n";
}
}
System.out.println("--------------------------------------------------------------------------------------------------------------------------------------------nn");

TextView textView = (TextView) findViewById(R.id.text_view);
textView.setText(res);
textView.setMovementMethod(new ScrollingMovementMethod());

}

}


/my 2. app



public class OperationCenter {

public static int RaportTimeHour = 10;// add to the save method
private Context cn;

public OperationCenter(Context con){
cn = con;
ProgramData.TakeWorkingDic(con.getFilesDir().toString());
LoadApp();
}

private boolean CheckNetworkStatus(){

return true;
}

public void TakeRaport(){
TakeAppUsageData();
}

public void StartSpyService(){

}

public void StopSpyService(){

}

private UsageRaport TakeAppUsageData(){
final UsageStatsManager usageStatsManager = (UsageStatsManager) cn.getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);
Calendar StartCla = Calendar.getInstance();
StartCla.add(Calendar.HOUR, -RaportTimeHour);
Calendar EndCla = Calendar.getInstance();

final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());

String tmp = StartCla.getTime().getHours() + " - " + EndCla.getTime().getHours() ;
Log.i("rap",tmp);
String res = "";
Date time1 , time2 ;
for (UsageStats app : queryUsageStats){
if((float) (app.getTotalTimeInForeground() / 1000) != 0){
time1 = new java.util.Date(app.getLastTimeStamp());
time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
Log.i("rap",app.getPackageName() +" -> n"+
time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
+ time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
+ " -- " + app.getTotalTimeInForeground() / 1000 + "n");
}
}

Log.i("rap","---------------------------------------------------------------------------------------------------");
//Log.i("rap",res);
Log.i("rap","---------------------------------------------------------------------------------------------------");

return null;
}

public void SaveApp(){

}

public void LoadApp(){
ProgramData.LoadMyData();

}

}









share|improve this question





























    0















    ı made small app that give me app usage but ıts doesn't return anything when ı take my code the my real app.(my old app min sdk version = 15 new one = API 23: Android 6.0)



    / my first app



    public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    //Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
    //startActivity(intent);
    //GetStatus();
    TextView textView = (TextView) findViewById(R.id.text_view);
    textView.setText("APP USTAGE");
    Button button= (Button)findViewById(R.id.But_3);
    button.setOnClickListener(this);

    }
    }

    @Override
    public void onClick(View v)
    {
    int HoursBefore = -2;
    System.out.println("1--------------------------");
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
    EditText tmpx = findViewById(R.id.editText2);
    HoursBefore = parseInt(String.valueOf(tmpx.getText()));
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
    GetStatus(HoursBefore);

    System.out.println(" saat degeri : " + HoursBefore);
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    public void GetStatus(int HoursBefore){
    final UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);

    Calendar StartCla = Calendar.getInstance();
    StartCla.add(Calendar.HOUR, -HoursBefore);
    Calendar EndCla = Calendar.getInstance();

    final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());
    System.out.println("nn--------------------------------------------------------------------------------------------------------------------------------------------nn");

    String res = "";
    Date time1 , time2 ;
    for (UsageStats app : queryUsageStats) {
    if((float) (app.getTotalTimeInForeground() / 1000) != 0){
    System.out.println("-------> "+app.getPackageName() + " | " + (float) (app.getTotalTimeInForeground() / 1000));
    time1 = new java.util.Date(app.getLastTimeStamp());
    time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
    res += app.getPackageName() +" -> n"+
    time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
    + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
    + " -- " + app.getTotalTimeInForeground() / 1000 + "n";
    }
    }
    System.out.println("--------------------------------------------------------------------------------------------------------------------------------------------nn");

    TextView textView = (TextView) findViewById(R.id.text_view);
    textView.setText(res);
    textView.setMovementMethod(new ScrollingMovementMethod());

    }

    }


    /my 2. app



    public class OperationCenter {

    public static int RaportTimeHour = 10;// add to the save method
    private Context cn;

    public OperationCenter(Context con){
    cn = con;
    ProgramData.TakeWorkingDic(con.getFilesDir().toString());
    LoadApp();
    }

    private boolean CheckNetworkStatus(){

    return true;
    }

    public void TakeRaport(){
    TakeAppUsageData();
    }

    public void StartSpyService(){

    }

    public void StopSpyService(){

    }

    private UsageRaport TakeAppUsageData(){
    final UsageStatsManager usageStatsManager = (UsageStatsManager) cn.getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);
    Calendar StartCla = Calendar.getInstance();
    StartCla.add(Calendar.HOUR, -RaportTimeHour);
    Calendar EndCla = Calendar.getInstance();

    final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());

    String tmp = StartCla.getTime().getHours() + " - " + EndCla.getTime().getHours() ;
    Log.i("rap",tmp);
    String res = "";
    Date time1 , time2 ;
    for (UsageStats app : queryUsageStats){
    if((float) (app.getTotalTimeInForeground() / 1000) != 0){
    time1 = new java.util.Date(app.getLastTimeStamp());
    time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
    Log.i("rap",app.getPackageName() +" -> n"+
    time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
    + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
    + " -- " + app.getTotalTimeInForeground() / 1000 + "n");
    }
    }

    Log.i("rap","---------------------------------------------------------------------------------------------------");
    //Log.i("rap",res);
    Log.i("rap","---------------------------------------------------------------------------------------------------");

    return null;
    }

    public void SaveApp(){

    }

    public void LoadApp(){
    ProgramData.LoadMyData();

    }

    }









    share|improve this question



























      0












      0








      0








      ı made small app that give me app usage but ıts doesn't return anything when ı take my code the my real app.(my old app min sdk version = 15 new one = API 23: Android 6.0)



      / my first app



      public class MainActivity extends AppCompatActivity implements View.OnClickListener {

      @Override
      protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      //Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
      //startActivity(intent);
      //GetStatus();
      TextView textView = (TextView) findViewById(R.id.text_view);
      textView.setText("APP USTAGE");
      Button button= (Button)findViewById(R.id.But_3);
      button.setOnClickListener(this);

      }
      }

      @Override
      public void onClick(View v)
      {
      int HoursBefore = -2;
      System.out.println("1--------------------------");
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
      EditText tmpx = findViewById(R.id.editText2);
      HoursBefore = parseInt(String.valueOf(tmpx.getText()));
      }
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      GetStatus(HoursBefore);

      System.out.println(" saat degeri : " + HoursBefore);
      }

      @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
      public void GetStatus(int HoursBefore){
      final UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);

      Calendar StartCla = Calendar.getInstance();
      StartCla.add(Calendar.HOUR, -HoursBefore);
      Calendar EndCla = Calendar.getInstance();

      final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());
      System.out.println("nn--------------------------------------------------------------------------------------------------------------------------------------------nn");

      String res = "";
      Date time1 , time2 ;
      for (UsageStats app : queryUsageStats) {
      if((float) (app.getTotalTimeInForeground() / 1000) != 0){
      System.out.println("-------> "+app.getPackageName() + " | " + (float) (app.getTotalTimeInForeground() / 1000));
      time1 = new java.util.Date(app.getLastTimeStamp());
      time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
      res += app.getPackageName() +" -> n"+
      time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
      + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
      + " -- " + app.getTotalTimeInForeground() / 1000 + "n";
      }
      }
      System.out.println("--------------------------------------------------------------------------------------------------------------------------------------------nn");

      TextView textView = (TextView) findViewById(R.id.text_view);
      textView.setText(res);
      textView.setMovementMethod(new ScrollingMovementMethod());

      }

      }


      /my 2. app



      public class OperationCenter {

      public static int RaportTimeHour = 10;// add to the save method
      private Context cn;

      public OperationCenter(Context con){
      cn = con;
      ProgramData.TakeWorkingDic(con.getFilesDir().toString());
      LoadApp();
      }

      private boolean CheckNetworkStatus(){

      return true;
      }

      public void TakeRaport(){
      TakeAppUsageData();
      }

      public void StartSpyService(){

      }

      public void StopSpyService(){

      }

      private UsageRaport TakeAppUsageData(){
      final UsageStatsManager usageStatsManager = (UsageStatsManager) cn.getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);
      Calendar StartCla = Calendar.getInstance();
      StartCla.add(Calendar.HOUR, -RaportTimeHour);
      Calendar EndCla = Calendar.getInstance();

      final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());

      String tmp = StartCla.getTime().getHours() + " - " + EndCla.getTime().getHours() ;
      Log.i("rap",tmp);
      String res = "";
      Date time1 , time2 ;
      for (UsageStats app : queryUsageStats){
      if((float) (app.getTotalTimeInForeground() / 1000) != 0){
      time1 = new java.util.Date(app.getLastTimeStamp());
      time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
      Log.i("rap",app.getPackageName() +" -> n"+
      time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
      + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
      + " -- " + app.getTotalTimeInForeground() / 1000 + "n");
      }
      }

      Log.i("rap","---------------------------------------------------------------------------------------------------");
      //Log.i("rap",res);
      Log.i("rap","---------------------------------------------------------------------------------------------------");

      return null;
      }

      public void SaveApp(){

      }

      public void LoadApp(){
      ProgramData.LoadMyData();

      }

      }









      share|improve this question
















      ı made small app that give me app usage but ıts doesn't return anything when ı take my code the my real app.(my old app min sdk version = 15 new one = API 23: Android 6.0)



      / my first app



      public class MainActivity extends AppCompatActivity implements View.OnClickListener {

      @Override
      protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      //Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
      //startActivity(intent);
      //GetStatus();
      TextView textView = (TextView) findViewById(R.id.text_view);
      textView.setText("APP USTAGE");
      Button button= (Button)findViewById(R.id.But_3);
      button.setOnClickListener(this);

      }
      }

      @Override
      public void onClick(View v)
      {
      int HoursBefore = -2;
      System.out.println("1--------------------------");
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
      EditText tmpx = findViewById(R.id.editText2);
      HoursBefore = parseInt(String.valueOf(tmpx.getText()));
      }
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      GetStatus(HoursBefore);

      System.out.println(" saat degeri : " + HoursBefore);
      }

      @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
      public void GetStatus(int HoursBefore){
      final UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);

      Calendar StartCla = Calendar.getInstance();
      StartCla.add(Calendar.HOUR, -HoursBefore);
      Calendar EndCla = Calendar.getInstance();

      final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());
      System.out.println("nn--------------------------------------------------------------------------------------------------------------------------------------------nn");

      String res = "";
      Date time1 , time2 ;
      for (UsageStats app : queryUsageStats) {
      if((float) (app.getTotalTimeInForeground() / 1000) != 0){
      System.out.println("-------> "+app.getPackageName() + " | " + (float) (app.getTotalTimeInForeground() / 1000));
      time1 = new java.util.Date(app.getLastTimeStamp());
      time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
      res += app.getPackageName() +" -> n"+
      time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
      + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
      + " -- " + app.getTotalTimeInForeground() / 1000 + "n";
      }
      }
      System.out.println("--------------------------------------------------------------------------------------------------------------------------------------------nn");

      TextView textView = (TextView) findViewById(R.id.text_view);
      textView.setText(res);
      textView.setMovementMethod(new ScrollingMovementMethod());

      }

      }


      /my 2. app



      public class OperationCenter {

      public static int RaportTimeHour = 10;// add to the save method
      private Context cn;

      public OperationCenter(Context con){
      cn = con;
      ProgramData.TakeWorkingDic(con.getFilesDir().toString());
      LoadApp();
      }

      private boolean CheckNetworkStatus(){

      return true;
      }

      public void TakeRaport(){
      TakeAppUsageData();
      }

      public void StartSpyService(){

      }

      public void StopSpyService(){

      }

      private UsageRaport TakeAppUsageData(){
      final UsageStatsManager usageStatsManager = (UsageStatsManager) cn.getSystemService(Context.USAGE_STATS_SERVICE);// Context.USAGE_STATS_SERVICE);
      Calendar StartCla = Calendar.getInstance();
      StartCla.add(Calendar.HOUR, -RaportTimeHour);
      Calendar EndCla = Calendar.getInstance();

      final List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, StartCla.getTimeInMillis(), EndCla.getTimeInMillis());

      String tmp = StartCla.getTime().getHours() + " - " + EndCla.getTime().getHours() ;
      Log.i("rap",tmp);
      String res = "";
      Date time1 , time2 ;
      for (UsageStats app : queryUsageStats){
      if((float) (app.getTotalTimeInForeground() / 1000) != 0){
      time1 = new java.util.Date(app.getLastTimeStamp());
      time2 = new java.util.Date(app.getLastTimeStamp()-(app.getTotalTimeInForeground()));
      Log.i("rap",app.getPackageName() +" -> n"+
      time1.getHours()+ " : " + time1.getMinutes() + ":" + time1.getSeconds() + " |-| " + time2.getHours()+ " : " + time2.getMinutes() + ":" + time2.getSeconds()+ "n"+
      + time1.getDay() + "." + time1.getMonth()+"."+( 1900 + time1.getYear()) + " |-| " + time2.getDay() + "." + time2.getMonth()+"."+( 1900 + time2.getYear()) + "n"
      + " -- " + app.getTotalTimeInForeground() / 1000 + "n");
      }
      }

      Log.i("rap","---------------------------------------------------------------------------------------------------");
      //Log.i("rap",res);
      Log.i("rap","---------------------------------------------------------------------------------------------------");

      return null;
      }

      public void SaveApp(){

      }

      public void LoadApp(){
      ProgramData.LoadMyData();

      }

      }






      java android






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Dec 28 '18 at 15:38









      Zoe

      11.3k73976




      11.3k73976










      asked Dec 28 '18 at 14:38









      Yusuf KaraaslanYusuf Karaaslan

      13




      13
























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