Add a clock at home

app/src/main/java/com/fongmi/bear/ui/activity/HomeActivity.java

@@ -2,12 +2,16 @@ package com.fongmi.bear.ui.activity;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.view.View;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.leanback.widget.ArrayObjectAdapter;
 import androidx.leanback.widget.ItemBridgeAdapter;
 import androidx.leanback.widget.ListRow;
+import androidx.leanback.widget.OnChildViewHolderSelectedListener;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.RecyclerView;
 import androidx.viewbinding.ViewBinding;
 
 import com.fongmi.bear.ApiConfig;
@@ -23,6 +27,7 @@ import com.fongmi.bear.ui.presenter.FuncPresenter;
 import com.fongmi.bear.ui.presenter.ProgressPresenter;
 import com.fongmi.bear.ui.presenter.TitlePresenter;
 import com.fongmi.bear.ui.presenter.VodPresenter;
+import com.fongmi.bear.utils.Clock;
 import com.fongmi.bear.utils.ResUtil;
 
 import java.util.List;
@@ -46,6 +51,7 @@ public class HomeActivity extends BaseActivity implements VodPresenter.OnClickLi
 
     @Override
     protected void initView() {
+        Clock.start(mBinding.time);
         setRecyclerView();
         setViewModel();
         setAdapter();
@@ -55,6 +61,12 @@ public class HomeActivity extends BaseActivity implements VodPresenter.OnClickLi
     @Override
     protected void initEvent() {
         mFuncPresenter.setOnClickListener(this::onFuncClick);
+        mBinding.recycler.addOnChildViewHolderSelectedListener(new OnChildViewHolderSelectedListener() {
+            @Override
+            public void onChildViewHolderSelected(@NonNull RecyclerView parent, @Nullable RecyclerView.ViewHolder child, int position, int subposition) {
+                mBinding.time.setVisibility(position == 1 ? View.VISIBLE : View.GONE);
+            }
+        });
     }
 
     private void setRecyclerView() {
@@ -127,4 +139,10 @@ public class HomeActivity extends BaseActivity implements VodPresenter.OnClickLi
         super.onActivityResult(requestCode, resultCode, data);
         if (resultCode == RESULT_OK) getVideo();
     }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        Clock.destroy();
+    }
 }

app/src/main/java/com/fongmi/bear/utils/Clock.java

@@ -0,0 +1,54 @@
+package com.fongmi.bear.utils;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.widget.TextView;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class Clock {
+
+	private final SimpleDateFormat formatter;
+	private final Handler handler;
+	private Timer timer;
+
+	private static class Loader {
+		static volatile Clock INSTANCE = new Clock();
+	}
+
+	public static Clock get() {
+		return Loader.INSTANCE;
+	}
+
+	public Clock() {
+		this.formatter = new SimpleDateFormat("MM/dd HH:mm:ss", Locale.getDefault());
+		this.handler = new Handler(Looper.getMainLooper());
+	}
+
+	public static void start(TextView view) {
+		get().cancel();
+		get().run(view);
+	}
+
+	public static void destroy() {
+		get().cancel();
+	}
+
+	private void run(TextView view) {
+		timer = new Timer();
+		timer.schedule(new TimerTask() {
+			@Override
+			public void run() {
+				handler.post(() -> view.setText(formatter.format(new Date())));
+			}
+		}, 0, 1000);
+	}
+
+	private void cancel() {
+		if (timer != null) timer.cancel();
+	}
+}

app/src/main/res/layout/activity_home.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:keepScreenOn="true">
@@ -12,4 +13,15 @@
         android:clipToPadding="false"
         android:padding="24dp" />
 
+    <TextView
+        android:id="@+id/time"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="top|end"
+        android:layout_margin="24dp"
+        android:letterSpacing="0.02"
+        android:textColor="@color/white"
+        android:textSize="24sp"
+        tools:text="07/25 09:20:00" />
+
 </FrameLayout>