修复状态栏天气不更新

app/src/main/java/com/lt2333/simplicitytools/view/WeatherView.kt

@@ -0,0 +1,84 @@
+package com.lt2333.simplicitytools.view
+
+import android.content.Context
+import android.database.ContentObserver
+import android.net.Uri
+import android.os.Handler
+import android.os.Looper
+import android.os.Message
+import android.text.TextUtils
+import android.widget.TextView
+
+class WeatherView(context: Context?, private val showCity: Boolean) : TextView(context) {
+
+    private val mContext: Context
+    private val WEATHER_URI = Uri.parse("content://weather/weather")
+    private val mHandler: Handler
+    private val mWeatherObserver: ContentObserver?
+    private val mWeatherRunnable: WeatherRunnable
+
+    init {
+        mHandler =
+            object : Handler(Looper.getMainLooper()) {
+                override fun handleMessage(message: Message) {
+                    val str = message.obj as String
+                    this@WeatherView.text = if (TextUtils.isEmpty(str)) " " else str
+                }
+            }
+        mWeatherObserver = WeatherContentObserver(mHandler)
+        mContext = context!!
+        mWeatherRunnable = WeatherRunnable()
+        context.contentResolver.registerContentObserver(WEATHER_URI, true, mWeatherObserver)
+        updateWeatherInfo()
+    }
+
+    private inner class WeatherContentObserver(handler: Handler?) : ContentObserver(handler) {
+        override fun onChange(z: Boolean) {
+            updateWeatherInfo()
+        }
+    }
+
+    inner class WeatherRunnable : Runnable {
+        override fun run() {
+            var str = ""
+            try {
+                val query = mContext.contentResolver.query(WEATHER_URI, null, null, null, null)
+                if (query != null) {
+                    if (query.moveToFirst()) {
+                        if (showCity) {
+                            str =
+                                query.getString(query.getColumnIndexOrThrow("city_name")) + " " + query.getString(
+                                    query.getColumnIndexOrThrow("description")
+                                ) + " " + query.getString(query.getColumnIndexOrThrow("temperature"))
+                        } else {
+                            str =
+                                query.getString(
+                                    query.getColumnIndexOrThrow("description")
+                                ) + " " + query.getString(query.getColumnIndexOrThrow("temperature"))
+                        }
+                    }
+                    query.close()
+                }
+            } catch (e: Exception) {
+
+            }
+            val obtainMessage2 = mHandler.obtainMessage()
+            obtainMessage2.what = 100
+            obtainMessage2.obj = str
+            mHandler.sendMessage(obtainMessage2)
+        }
+    }
+
+    private fun updateWeatherInfo() {
+        mHandler.removeCallbacks(mWeatherRunnable)
+        mHandler.postDelayed(mWeatherRunnable, 200)
+    }
+
+    public override fun onDetachedFromWindow() {
+        super.onDetachedFromWindow()
+        if (mWeatherObserver != null) {
+            mContext.contentResolver.unregisterContentObserver(mWeatherObserver)
+        }
+    }
+
+}