fix: sync clocks in app with system clock

Author: AKPWebDesign

app/src/main/java/tech/akpmakes/android/taskkeeper/TaskViewActivity.java

@@ -4,6 +4,7 @@
 import android.content.Intent;
 import android.os.Bundle;
 import android.os.Handler;
+import android.os.SystemClock;
 import android.support.v7.app.AppCompatActivity;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -51,9 +52,9 @@ public void run() {
                 if(useCurrentTime.isChecked()) {
                     updateTime();
                 }
-                handler.postDelayed( this, 250 );
+                handler.postDelayed( this, delay() );
             }
-        }, 0);
+        }, delay());
 
         Intent i = getIntent();
         if (i.hasExtra("whenName")) {
@@ -109,6 +110,10 @@ public void onClick(View view) {
         getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
     }
 
+    private long delay() {
+        return 1000 - (SystemClock.uptimeMillis() % 1000);
+    }
+
     private void saveTask() {
         if(useCurrentTime.isChecked()) {
             updateTime();

app/src/main/java/tech/akpmakes/android/taskkeeper/WhenEventViewHolder.java

@@ -1,6 +1,7 @@
 package tech.akpmakes.android.taskkeeper;
 
 import android.os.Handler;
+import android.os.SystemClock;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.widget.TextView;
@@ -22,9 +23,9 @@ public WhenEventViewHolder(View v) {
             @Override
             public void run() {
                 draw();
-                handler.postDelayed( this, 1000 );
+                handler.postDelayed( this, delay() );
             }
-        }, 1000);
+        }, delay());
         v.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -40,6 +41,10 @@ public boolean onLongClick(View view) {
         });
     }
 
+    private long delay() {
+        return 1000 - (SystemClock.uptimeMillis() % 1000);
+    }
+
     private void draw() {
         String extra = "";
         if(this.when > new Date().getTime()) {