https://blog.substitute.tech/tags/fragment/ Recent content in Fragment on Haoxiqiang's Blog Hugo zh Wed, 07 Jan 2015 08:35:07 +0000 https://blog.substitute.tech/posts/android-fragmentinstantiationexception/ Wed, 07 Jan 2015 08:35:07 +0000 https://blog.substitute.tech/posts/android-fragmentinstantiationexception/ <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-gdscript3" data-lang="gdscript3"><span class="line"><span class="cl"><span class="n">android</span><span class="o">.</span><span class="n">support</span><span class="o">.</span><span class="n">v4</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">Fragment</span><span class="o">$</span><span class="n">InstantiationException</span><span class="p">:</span> <span class="n">Unable</span> <span class="n">to</span> <span class="n">instantiate</span> <span class="n">fragment</span> </span></span><span class="line"><span class="cl"><span class="n">make</span> <span class="n">sure</span> <span class="k">class</span> <span class="n">name</span> <span class="n">exists</span><span class="p">,</span> <span class="n">is</span> <span class="n">public</span><span class="p">,</span> <span class="ow">and</span> <span class="n">has</span> <span class="n">an</span> <span class="n">empty</span> <span class="n">constructor</span> <span class="n">that</span> <span class="n">is</span> <span class="n">public</span> </span></span></code></pre></td></tr></table> </div> </div><p>以前偶尔碰到这个错误，量不大没在意。最近突然暴增，仔细研究了一番，整理出几个原因和解决办法。</p>