test main

app/src/main/java/com/oo/eye/activity/EyeSettingActivity.java

 package com.oo.eye.activity;
 
+import android.view.KeyEvent;
 import android.view.View;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.RelativeLayout;
 
 import com.app.baselibrary.base.common.BaseActivity;
+import com.app.baselibrary.commonUtil.LogUtil;
 import com.app.baselibrary.commonUtil.PreferencesUtils;
 import com.oo.eye.EyeConfig;
 import com.oo.eye.R;
@@ -241,7 +243,7 @@ public class EyeSettingActivity extends BaseActivity {
         });
     }
 
-    @OnClick({R.id.back_iv,R.id.about_lay, R.id.close_lay})
+    @OnClick({R.id.back_iv, R.id.about_lay, R.id.close_lay})
     public void onClick(View view) {
         switch (view.getId()) {
             case R.id.back_iv:
@@ -255,4 +257,25 @@ public class EyeSettingActivity extends BaseActivity {
                 break;
         }
     }
+
+    private long mLastOnKeyTime = -1;
+
+    @Override
+    public boolean dispatchKeyEvent(KeyEvent event) {
+        if (event.getAction() == KeyEvent.ACTION_UP) {
+            //两次点击大于1秒
+            long currentTime = System.currentTimeMillis();
+            if (mLastOnKeyTime > 0 && currentTime - mLastOnKeyTime < 500) {
+                return true;
+            }
+            mLastOnKeyTime = currentTime;
+            LogUtil.e("---查看按键对应的数字---" + event.getKeyCode());
+            switch (event.getKeyCode()) {
+                case KeyEvent.KEYCODE_DEL://返回键
+                    finish();
+                    return true;
+            }
+        }
+        return super.dispatchKeyEvent(event);
+    }
 }