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Android中的进程和线程 - yanfei's tick tock
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<h1>Android中的进程和线程</h1>
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<span class="date">2017/3/8 23:5 下午</span>
<span>posted in </span>
<span class="posted-in"><a href='Android.html'>Android</a></span>
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<h2 id="toc_0">Android中进程的优先级</h2>
<ol>
<li>前台进程</li>
<li>可见进程</li>
<li>服务进程<br/>
使用Service可以保证，无论Activity发生什么情况，该操作至少局部“服务进程”的优先级。</li>
<li>后台进程</li>
<li>空进程</li>
</ol>
<span id="more"></span><!-- more -->
<h2 id="toc_1">Android中从其他线程访问UI线程的简单方法</h2>
<ul>
<li>Activity.runOnUiThread(Runnable)</li>
<li>View.post(Runnable)</li>
<li>View.postDelayed(Runnable, long)</li>
</ul>
<p>示例：</p>
<pre><code class="language-java">public void onClick(View v) {
new Thread(new Runnable() {
public void run() {
final Bitmap bitmap =
loadImageFromNetwork("http://example.com/image.png");
mImageView.post(new Runnable() {
public void run() {
mImageView.setImageBitmap(bitmap);
}
});
}
}).start();
}
</code></pre>
<h2 id="toc_2">参考</h2>
<p><a href="https://developer.android.com/guide/components/processes-and-threads.html">进程和线程</a></p>
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