主页固定显示

2025-10-20 21:30:28 +08:00
parent b1f21fd4f7
commit 68b2e0754c
74 changed files with 4881 additions and 34 deletions
--- a/app/src/main/java/com/ttstd/dialer/utils/ScreenUtils.java
+++ b/app/src/main/java/com/ttstd/dialer/utils/ScreenUtils.java
@@ -0,0 +1,77 @@
+package com.ttstd.dialer.utils;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.util.Log;
+
+import java.lang.reflect.Method;
+
+public class ScreenUtils {
+    private static final String TAG = "ScreenUtils";
+
+    /**
+     * 根据手机的分辨率从 dp 的单位 转成为 px(像素)
+     */
+    public static int dip2px(Context context, float dpValue) {
+        final float scale = context.getResources().getDisplayMetrics().density;
+        return (int) (dpValue * scale + 0.5f);
+    }
+
+    /**
+     * 根据手机的分辨率从 px(像素) 的单位 转成为 dp
+     */
+    public static int px2dip(Context context, float pxValue) {
+        final float scale = context.getResources().getDisplayMetrics().density;
+        return (int) (pxValue / scale + 0.5f);
+    }
+
+    public static int dp2px(Resources resources, float dp) {
+        final float scale = resources.getDisplayMetrics().density;
+        return (int) (dp * scale + 0.5f);
+    }
+
+    public static int sp2px(Resources resources, float sp) {
+        final float scale = resources.getDisplayMetrics().scaledDensity;
+        return (int) (sp * scale);
+    }
+
+    /**
+     * 应用需反射调用
+     */
+    public static boolean isTablet() {
+        try {
+            // 1. 反射获取 SystemProperties 类
+            Class<?> systemPropertiesClass = Class.forName("android.os.SystemProperties");
+            // 2. 获取 get(String key) 方法
+            Method getMethod = systemPropertiesClass.getDeclaredMethod("get", String.class);
+            // 3. 调用方法获取属性值
+            String characteristics = (String) getMethod.invoke(null, "ro.build.characteristics");
+            Log.e(TAG, "isTablet: " + characteristics);
+            // 4. 判断是否包含 "tablet" 标识
+            return characteristics != null && characteristics.contains("tablet");
+        } catch (Exception e) {
+            // 反射失败时的处理（如属性不存在或权限问题）
+            Log.e(TAG, "Reflection failed: " + e.getMessage());
+            return false;
+        }
+    }
+
+    public static boolean isTablet(Context context) {
+        boolean isTablet = (context.getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE;
+        Log.e(TAG, "isTablet: " + isTablet);
+        return isTablet;
+    }
+
+
+    /**
+     * 是否是平板
+     *
+     * @param context 上下文
+     * @return 是平板则返回true，反之返回false
+     */
+    public static boolean isPad(Context context) {
+        return (context.getResources().getConfiguration().screenLayout
+                & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE;
+    }
+}