怎么取得当前运行app的名称

嗯，在有的机器或版本上不能取到值！

MyAndroidTools Pro配合全局复制

<TaskerData sr="" dvi="1" tv="5.1m">
<Task sr="task1854">
<cdate>1419590544264</cdate>
<edate>1560496213527</edate>
<id>1854</id>
<nme>获取运行代码</nme>
<pri>7</pri>
<Action sr="act0" ve="7">
<code>664</code>
<Str sr="arg0" ve="3">act</Str>
<Str sr="arg1" ve="3">CONTEXT</Str>
<Str sr="arg2" ve="3">getSystemService
{ActivityManager} (String)</Str>
<Str sr="arg3" ve="3">activity</Str>
<Str sr="arg4" ve="3"/>
<Str sr="arg5" ve="3"/>
<Str sr="arg6" ve="3"/>
<Str sr="arg7" ve="3"/>
<Str sr="arg8" ve="3"/>
<Str sr="arg9" ve="3"/>
</Action>
<Action sr="act1" ve="7">
<code>664</code>
<Str sr="arg0" ve="3">list</Str>
<Str sr="arg1" ve="3">act</Str>
<Str sr="arg2" ve="3">getRunningAppProcesses
{List} ()</Str>
<Str sr="arg3" ve="3"/>
<Str sr="arg4" ve="3"/>
<Str sr="arg5" ve="3"/>
<Str sr="arg6" ve="3"/>
<Str sr="arg7" ve="3"/>
<Str sr="arg8" ve="3"/>
<Str sr="arg9" ve="3"/>
</Action>
<Action sr="act10" ve="7">
<code>548</code>
<Str sr="arg0" ve="3">%val()
%num</Str>
<Int sr="arg1" val="1"/>
</Action>
<Action sr="act2" ve="7">
<code>664</code>
<Str sr="arg0" ve="3">%num</Str>
<Str sr="arg1" ve="3">list</Str>
<Str sr="arg2" ve="3">size
{int} ()</Str>
<Str sr="arg3" ve="3">0</Str>
<Str sr="arg4" ve="3"/>
<Str sr="arg5" ve="3"/>
<Str sr="arg6" ve="3"/>
<Str sr="arg7" ve="3"/>
<Str sr="arg8" ve="3"/>
<Str sr="arg9" ve="3"/>
</Action>
<Action sr="act3" ve="7">
<code>890</code>
<Str sr="arg0" ve="3">%num</Str>
<Int sr="arg1" val="1"/>
<Int sr="arg2" val="0"/>
</Action>
<Action sr="act4" ve="7">
<code>39</code>
<Str sr="arg0" ve="3">%for</Str>
<Str sr="arg1" ve="3">0:%num</Str>
</Action>
<Action sr="act5" ve="7">
<code>664</code>
<Str sr="arg0" ve="3">val</Str>
<Str sr="arg1" ve="3">list</Str>
<Str sr="arg2" ve="3">get
{Object} (int)</Str>

<Str sr="arg3" ve="3">%for</Str>
<Str sr="arg4" ve="3"/>
<Str sr="arg5" ve="3"/>
<Str sr="arg6" ve="3"/>
<Str sr="arg7" ve="3"/>
<Str sr="arg8" ve="3"/>
<Str sr="arg9" ve="3"/>
</Action>
<Action sr="act6" ve="7">
<code>664</code>
<Str sr="arg0" ve="3">%val(%for)</Str>
<Str sr="arg1" ve="3">val.processName</Str>
<Str sr="arg2" ve="3">toString
{String} ()</Str>
<Str sr="arg3" ve="3"/>
<Str sr="arg4" ve="3"/>
<Str sr="arg5" ve="3"/>
<Str sr="arg6" ve="3"/>
<Str sr="arg7" ve="3"/>
<Str sr="arg8" ve="3"/>
<Str sr="arg9" ve="3"/>
</Action>
<Action sr="act7" ve="7">
<code>547</code>
<Str sr="arg0" ve="3">%package</Str>
<Str sr="arg1" ve="3">%val(%for)
</Str>
<Int sr="arg2" val="0"/>
<Int sr="arg3" val="0"/>
<Int sr="arg4" val="1"/>
</Action>
<Action sr="act8" ve="7">
<code>40</code>
</Action>
<Action sr="act9" ve="7">
<code>129</code>
<Str sr="arg0" ve="3">alert(local('package'));</Str>
<Str sr="arg1" ve="3"/>
<Int sr="arg2" val="1"/>
<Int sr="arg3" val="45"/>
</Action>
<Img sr="icn" ve="2">
<nme>hl_aaa_conv_a</nme>
</Img>
</Task>
</TaskerData>

前后两段拼接，存入TXT，改后缀，导入tasker任务