Android Life cycle
Last Update:2016-05-11
Source: Internet
Author: User
<span id="Label3"></p><p><p>1. Activity Jump</p></p><pre><pre><span style="color: #000080; font-weight: bold;">New Intent (mainactivity. <span style="color: #000080; font-weight: bold;"> This,nextactivity. <span style="color: #000080; font-weight: bold;">class);<br></span></span></span><span style="background-color: #e4e4ff; color: #000000;">StartActivity (intent);</span></pre></pre><pre><pre></pre></pre><p><p>Jump to Nextactivity</p></p><p><p>2, with Data jump</p></p><pre><pre><span style="color: #000080; font-weight: bold;">New Intent (mainactivity. <span style="color: #000080; font-weight: bold;"> This,nextactivity. <span style="color: #000080; font-weight: bold;">class);<br>Intent.putextra (<span style="color: #008000; font-weight: bold;">"name",<span style="color: #008000; font-weight: bold;">"yinting");<br><span style="color: #000080; font-weight: bold;">New Bundle ();<br>Bundle.putint (<span style="color: #008000; font-weight: bold;">"age",<span style="color: #0000ff;">22);<br>Bundle.putchar (<span style="color: #008000; font-weight: bold;">"bood",<span style="color: #008000; font-weight: bold;">' b ');<br>Intent.putextra (<span style="color: #008000; font-weight: bold;">"bundle", bundle);<br><span style="color: #000080; font-weight: bold;"><span style="color: #0000ff;">StartActivity (intent);</span></span></span></span></span></span></span></span></span></span></span></span></span></pre></pre><p><p>3. Receive return value jump</p></p><pre><pre> Intent Intent = <span style="color: #000080; font-weight:bold;">new Intent (mainactivity.<span style="color: # 000080; font-weight:bold; ">this,nextactivity. <span style="color: #000080; font-weight:bold; >class); <br> Intent.putextra (<span style= " color: #008000; font-weight:bold;"> "name", <span style="color: #008000; font-weight:bold; "> "yinting"); <br> Bundle bundle = <span style="color: #000080; font-weight:bold;">new Bundle (); <br> Bundle.putint (<span style="color: #0000ff;" "age", <span>22); <br> Bundle.putchar (<span style="color: #008000; font-weight:bold;"> "bood", <span style="color: #008000; font-weight:bold;" ' b '); <br> Intent.putextra (<span style="color: #008000; font-weight:bold;" "bundle", bundle); <br> Mainactivity. <span style="color: #000080; font-weight:bold;">this.startactivityforresult (intent, <span style="color: #0000ff;">1); <br> </span> </span> </span> </span> </span> </span> </span> </span> </span> </span> </span> </pre></pre><p><p><span style="background-color: #000000; font-family: Microsoft YaHei; color: #000000; font-size: 16px;"><span><span style="background-color: #ffffff;">The method must be Onactivityresult and Replicated.</span></span></span></p></p><p><p></p></p><pre><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight:bold;">protected void Onactivityresult (<span style="color: #000080; font-weight:bold; ">int requestcode, <span style="color: #000080; font-weight:bold;">int resultcode, Intent data) {<br> <span style="col Or: #000080; font-weight:bold; ">super.onactivityresult (requestcode, resultcode, data); <br> <span style="color: #000080; font-weight:bold;">if (requestcode==<span style="color: #0000ff;">1&& Resultcode==<span style="color: #0000ff;">1001) {<br> String name= data.getstringextra (<span style="color: #008000; font-weight:bold; "> "name"); <br> Toast. <span style="font-style:italic;">maketext (mainactivity.<span style="color: #000080; font-weight:bold;"> This,<span style="color: #008000; font-weight:bold;"> "---->" +name,toast.<span style="font-style:italic; Color: #660e7a; font-weight:bold; ">length_long). Show (); <br> </span> </span> </span> </span> </span> </span> </span> </span> </span> </span> </span> </span></span><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #0000ff;"><span style="color: #0000ff;"><span style="color: #008000;"><span style="color: #000080;"><span style="color: #008000;"><span style="color: #660e7a;"> }</span></span></span></span></span></span></span></span></span></span></span></span><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #000080;"><span style="color: #0000ff;"><span style="color: #0000ff;"><span style="color: #008000;"><span style="color: #000080;"><span style="color: #008000;"><span style="color: #660e7a;"><br><br><span style="background-color: #ffffff; font-family: Microsoft YaHei; color: #000000; font-size: 16px;">nextactivity with data returned at the End. </span></span></span></span></span></span></span></span></span></span></span></span></span><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight: bold;"><span style="color: #000080; font-weight: bold;"><span style="color: #0000ff;"><span style="color: #0000ff;"><span style="color: #008000; font-weight: bold;"><span style="font-style: italic;"><span style="color: #000080; font-weight: bold;"><span style="color: #008000; font-weight: bold;"><span style="font-style: italic; color: #660e7a; font-weight: bold;"><br><br></span></span></span></span></span></span></span></span></span></span></span></span></span></pre><p><p></p></p><pre><pre>Intent intent=<span style="color: #000080; font-weight: bold;">New Intent ();<br>Intent.putextra (<span style="color: #008000; font-weight: bold;">"name",<span style="color: #008000; font-weight: bold;">"yangyi");<br>Nextactivity. <span style="color: #000080; font-weight: bold;">This.setresult (<span style="color: #0000ff;">1001,intent);<br>Nextactivity. <span style="color: #000080; font-weight: bold;">this.finish ();</span></span></span></span></span></span></pre></pre><p><p><strong><span style="font-family: Courier New; color: #0000ff;">4. Android Life cycle</span></strong></p></p><p><p><strong><span style="font-family: Courier New; color: #0000ff;"></span></strong></p></p><p><p>5. Activity Site Protection</p></p><p><p></p></p><p><p>Android Life cycle</p></p></span>
