Android--laundry Project Analysis (i)

<span id="Label3"></p><p><p></p></p><p><p>ScrollView nested ListView</p></p><p><p><span style="line-height: 1.5;">Both the ScrollView and the ListView can be sliding, so handle event Collisions.</span></p></p><p><p>Event conflicts are handled in two ways:</p></p><p><p>1, dynamically calculate the height of the LISTVIEW. Outside the listview, do not let the ListView slide (do not swipe or add data), let the ScrollView Slide.</p></p><p><p>2, Not recommended</p></p><p><p>Getviewitemtype () is the view above or the ListView on Top.</p></p><p><p>Getviewtypecount ()</p></p><p><p>A picture is covered above the LISTVIEW.</p></p><p><p></p></p><p><p>Number No. 9.19, analyze laundry items.</p></p>Delayed Jump (Android Threading Mechanism)<p><p>Splashactivity</p></p><p><p>Viewpager 2 seconds later, The main thread can not sleep the ANR exception ()</p></p><p><p>Before 4.0, the main thread can also sleep 5, 6 s, after 4.0, can not be in the main thread time-consuming operation, will report the ANR exception</p></p><p><p>Sleep within a child thread for two seconds,</p></p><pre><pre> <span style="color: #0000ff;">New</span> Handler (). postdelayed (<span style="color: #0000ff;">new</span> <span style="color: #000000;"> Runnable () { @Override </span>public<span style="color: #0000ff;"></span><span style="color: #0000ff;">void</span> <span style="color: #000000;"> run () { </span><span style="color: #0000ff;">New</span> Intent (mainactivity. <span style="color: #0000ff;"> </span>this, Splashactivity. <span style="color: #0000ff;">class</span> <span style="color: #000000;">); StartActivity (intent); Splashacitivity.</span> <span style="color: #0000ff;"></span> this <span style="color: #000000;">. Finish (); } },</span>2300);</pre></pre><p><p></p></p><p><p>Android.support.v4.view.ViewPager here is not Associative.</p></p><p><p> V4 Package and V7 package function                               &NB Sp                          ,         &NB Sp                          ,         &NB Sp                          ,         &NB Sp                          ,         &NB Sp                          ,         &NB Sp                             Random slide Pictures.     </p></p><p><p>3 XML layouts, added locally with layoutinflater.inflater, followed by dynamic loading create a collection that adds These. Pageradapter mpageradapter = new PageAdapter ( ){}</p></p><p><p>There's isviewfromobject GetCount Destroyitem.</p></p><p><p>The color is inside a bag. Values inside Color.</p></p><p><p>android:numeric= "integer" can only enter Numbers.</p></p><p><p></p></p><p><p>[1] [34578]\\d{9} to determine whether the phone Number.</p></p><p><p>Flag value to judge, if yes, on the countdown 60S</p></p><p><p>countdown, is generally achieved with handler. The Android Countdowntimer is used here. <span style="color: #ff0000;"> <strong></strong></span></p></p><p><p>What is an oom exception, a memory leak exception, the thread is not closed, it is closed first</p></p><p><p>In the countdown 30S time, the user entered a verification code, to close in Time. This activity is useless, it's Closed.</p></p><p><p>webview, Nested Web Pages.</p></p><p><p></p></p><p><p>Android--laundry Project Analysis (i)</p></p></span>