>>9
アドバイスありがとうございました。
1 アプリの起動中もほしいのでTaskerでつくりました
2 ステータスバーの上に置くことはできました。10分ごとにシーンをDestroyしShowした後，バッテリー残量に応じて消すようにしました
3 透過PNGで作りました。

とりあえず完成したんですが2のシーンのリロードのやり方がわからず一度消してから表示しています。
ここで画面がチカチカするのですがなにかいい案はありませんか

reroad batterybar (5)
A1: Destroy Scene [ Name:battery bar ]
A2: Show Scene [ Name:battery bar Display As:Overlay, Blocking Horizontal Position:100 Vertical Position:0 Animation:System Show Exit Button:Off Show Over Keyguard:On Continue Task Immediately:On ]
A3: Goto [ Type:Action Label Number:1 Label:100 ] If [ %BATT > 99 ]
A4: Goto [ Type:Action Label Number:1 Label:95 ] If [ %BATT > 94 ]
A5: Goto [ Type:Action Label Number:1 Label:90 ] If [ %BATT > 89 ]
A6: Goto [ Type:Action Label Number:1 Label:80 ] If [ %BATT > 79 ]
A7: Goto [ Type:Action Label Number:1 Label:70 ] If [ %BATT > 69 ]
A8: Goto [ Type:Action Label Number:1 Label:60 ] If [ %BATT > 59 ]
A9: Goto [ Type:Action Label Number:1 Label:50 ] If [ %BATT > 49 ]
A10: Goto [ Type:Action Label Number:1 Label:40 ] If [ %BATT > 39 ]
A11: Goto [ Type:Action Label Number:1 Label:30 ] If [ %BATT > 29 ]
A12: Goto [ Type:Action Label Number:1 Label:20 ] If [ %BATT > 19 ]
A13: Goto [ Type:Action Label Number:1 Label:15 ] If [ %BATT > 14 ]
A14: Goto [ Type:Action Label Number:1 Label:10 ] If [ %BATT > 9 ]
A15: Goto [ Type:Action Label Number:1 Label:5 ] If [ %BATT > 4 ]
<0>
A16: Element Destroy [ Scene Name:battery bar Element:005red ]
<5>
A17: Element Destroy [ Scene Name:battery bar Element:010red ]
<10>
A18: Element Destroy [ Scene Name:battery bar Element:015yellow ]
<15>
A19: Element Destroy [ Scene Name:battery bar Element:020yellow ]
<20>
A20: Element Destroy [ Scene Name:battery bar Element:030green ]
<30>
A21: Element Destroy [ Scene Name:battery bar Element:040green ]
<40>
A22: Element Destroy [ Scene Name:battery bar Element:050green ]
<50>
A23: Element Destroy [ Scene Name:battery bar Element:060blue ]
<60>
A24: Element Destroy [ Scene Name:battery bar Element:070blue ]
<70>
A25: Element Destroy [ Scene Name:battery bar Element:080blue ]
<80>
A26: Element Destroy [ Scene Name:battery bar Element:090purple ]
<90>
A27: Element Destroy [ Scene Name:battery bar Element:095purple ]
<95>
A28: Element Destroy [ Scene Name:battery bar Element:100purple ]
<100>
A29: Anchor