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weiqiangliu
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48 changes: 48 additions & 0 deletions
48
...lyticsSDK/src/main/java/com/sensorsdata/analytics/android/sdk/util/FragmentCacheUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package com.sensorsdata.analytics.android.sdk.util; | ||
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| import android.annotation.SuppressLint; | ||
| import android.os.Build; | ||
| import android.text.TextUtils; | ||
| import android.util.LruCache; | ||
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| import com.sensorsdata.analytics.android.sdk.SALog; | ||
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| import java.lang.ref.WeakReference; | ||
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| public class FragmentCacheUtil { | ||
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| @SuppressLint("NewApi") | ||
| private static LruCache<String, WeakReference<Object>> sFragmentLruCache = new LruCache<>(Integer.MAX_VALUE); | ||
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| public static void setFragmentToCache(String fragmentName, Object object) { | ||
| if (!TextUtils.isEmpty(fragmentName) && null != object && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) { | ||
| sFragmentLruCache.put(fragmentName, new WeakReference<>(object)); | ||
| } | ||
| } | ||
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| public static Object getFragmentFromCache(String fragmentName) { | ||
| try { | ||
| if (!TextUtils.isEmpty(fragmentName)) { | ||
| WeakReference<Object> weakReference = null; | ||
| if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR1) { | ||
| weakReference = sFragmentLruCache.get(fragmentName); | ||
| } | ||
| Object object; | ||
| if (null != weakReference) { | ||
| object = weakReference.get(); | ||
| if (null != object) { | ||
| return object; | ||
| } | ||
| } | ||
| object = Class.forName(fragmentName).newInstance(); | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) { | ||
| sFragmentLruCache.put(fragmentName, new WeakReference<>(object)); | ||
| } | ||
| return object; | ||
| } | ||
| } catch (Exception e) { | ||
| SALog.printStackTrace(e); | ||
| } | ||
| return null; | ||
| } | ||
| } |