altosdroid: Highlight age in red when older than 10 seconds

This lets you quickly identify stale data

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
index 293dff7f2f70732163187cf8aadab75330ad71f8..8c9ff31f0b44d6e1777743d00bd974d8e4f75309 100644 (file)
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroid.java
@@ -55,6 +55,8 @@ import android.widget.Toast;
 import android.app.AlertDialog;
 import android.location.Location;
 import android.hardware.usb.*;
+import android.graphics.*;
+import android.graphics.drawable.*;
 
 import org.altusmetrum.altoslib_7.*;
 
@@ -90,6 +92,9 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
        private RelativeLayout mStateLayout;
        private TextView mStateView;
        private TextView mAgeView;
+       private boolean  mAgeViewOld;
+       private int mAgeNewColor;
+       private int mAgeOldColor;
 
        // field to display the version at the bottom of the screen
        private TextView mVersion;
@@ -279,8 +284,18 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
        }
 
        void update_age() {
-               if (saved_state != null)
-                       mAgeView.setText(String.format("%d", (System.currentTimeMillis() - saved_state.received_time + 500) / 1000));
+               if (saved_state != null) {
+                       int age = (int) ((System.currentTimeMillis() - saved_state.received_time + 500) / 1000);
+                       boolean old = age >= 10;
+                       if (old != mAgeViewOld) {
+                               if (old)
+                                       mAgeView.setTextColor(mAgeOldColor);
+                               else
+                                       mAgeView.setTextColor(mAgeNewColor);
+                               mAgeViewOld = old;
+                       }
+                       mAgeView.setText(String.format("%d", age));
+               }
        }
 
        void update_ui(AltosState state, Location location) {
@@ -455,6 +470,8 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener {
                mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
                mStateView     = (TextView) findViewById(R.id.state_value);
                mAgeView       = (TextView) findViewById(R.id.age_value);
+               mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
+               mAgeOldColor   = getResources().getColor(R.color.old_color);
        }
 
        private boolean ensureBluetooth() {