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项目小结

2016-01-15 18:26 295 查看

1.fragment的缓存

mViewPager.setOffscreenPageLimit(2);//多缓存一个页面

2.浮动按钮

<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="@style/AppTheme.PopupOverlay">
</android.support.v7.widget.Toolbar>

3.Snackbar的使用,对比toast

Snackbar.make(view, “Replace with your own action”, Snackbar.LENGTH_LONG)

.setAction(“Action”, null).show();

4.设置窗体样式

//设置窗体无标题

requestWindowFeature(Window.FEATURE_NO_TITLE);

super.onCreate(savedInstanceState);

//设置全屏

this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

5. Logger的通用方式

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class Wombat {

final static Logger logger = LoggerFactory.getLogger(Wombat.class);

Integer t;

Integer oldT;

public void setTemperature(Integer temperature) {

oldT = t;

t = temperature;

logger.debug(“Temperature set to {}. Old temperature was {}.”, t, oldT);

if(temperature.intValue() > 50) {

logger.info(“Temperature has risen above 50 degrees.”);

}

}

}

6.webview加载返回json数据

private void parseJson(String responseString) {
Gson gson = new Gson();
mContext = gson.fromJson(responseString, Content.class);
final ImageLoader imageloader = ImageLoader.getInstance();
DisplayImageOptions options = new DisplayImageOptions.Builder().cacheInMemory(true).cacheOnDisk(true).build();
imageloader.displayImage(mContext.getImage(), iv, options);
String css = "<link rel=\"stylesheet\" href=\"file:///android_asset/css/news.css\" type=\"text/css\">";
String html = "<html><head>" + css + "</head><body>" + mContext.getBody() + "</body></html>";
html = html.replace("<div class=\"img-place-holder\">", "");
mWebView.loadDataWithBaseURL("x-data://base", html, "text/html", "UTF-8", null);
}

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