{"id":42335,"date":"2023-12-11T14:56:15","date_gmt":"2023-12-11T06:56:15","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=42335"},"modified":"2023-12-11T14:56:15","modified_gmt":"2023-12-11T06:56:15","slug":"android-activity-%e6%80%8e%e4%b9%88%e5%92%8cservice-%e7%bb%91%e5%ae%9a%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/android-activity-%e6%80%8e%e4%b9%88%e5%92%8cservice-%e7%bb%91%e5%ae%9a%ef%bc%9f\/","title":{"rendered":"Android Activity \u600e\u4e48\u548cService \u7ed1\u5b9a\uff1f"},"content":{"rendered":"

“`” \u8fd9\u9700\u8981\u5b9e\u73b0service\u4e2d\u7684onBind()\u51fd\u6570\u4ee5\u8fd4\u56deservice\u5b9e\u4f8b\u7ed9activity<\/p>\n

1\u3001\u521b\u5efaservice\u7c7b\u548cactivity\u7c7b\u3002<\/p>\n

2\u3001\u5728service\u7c7b\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u5185\u90e8\u7c7b\u7ee7\u627f\u81eaBinder()\u7c7b\uff1a<\/p>\n

<pre><code>public class MyBinder extends Binder{
\n public Service1 getService(){
\n return Service1.this;
\n }
\n}
\n<\/code><\/pre><\/p>\n

\u5b9e\u4f8b\u5316onBind()\u65b9\u6cd5\uff1a<\/p>\n

<pre><code>private final IBinder binder = new MyyBinder();
\n@Override
\npublic IBinder onBind(Intent intent){
\n Log.i(LOG\uff0c""onBind……"");
\n return binder;
\n}
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

3\u3001\u5728activity\u4e2d\u5b8c\u6210\u7ed1\u5b9a<\/p>\n

<pre><code>Intent intent = new Intent(Activity1.this,Activity2.class);
\nbindService(intent,conn,Context.BIND_AUTO_CREATE);
\n<\/code><\/pre><\/p>\n

bindService\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u4e00\u4e2aServiceConnection\u7c7b\u578b\u7684\u53c2\u6570\u3002service\u548c\u5176\u4ed6\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8fde\u63a5\u90fd\u8868\u793a\u4e3a\u4e00\u4e2aServiceConnection\uff0c\u8981\u60f3\u5c06service\u548c\u5176\u4ed6\u7ec4\u4ef6\u8fdb\u884c\u7ed1\u5b9a\uff0c\u5c31\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u65b0\u7684ServiceConnection\u3002<\/p>\n

<pre><code> public ServiceConnection conn= new ServiceConnection() {
\n @Override
\n public void onServiceDisconnected(ComponentName name) {
\n \/\/\u5f53\u8fde\u63a5\u610f\u5916\u65ad\u5f00\u65f6\u8c03\u7528
\n Log.i(LOG, ""onServiceDisconnected>>>>>>>>"");
\n myservice = null; <\/p>\n

} <\/p>\n

@Override
\n public void onServiceConnected(ComponentName name, IBinder service) {
\n \/\/\u5f53\u5efa\u7acb\u8fde\u63a5\u65f6\u8c03\u7528
\n Log.i(LOG, ""onServiceConnected>>>>>>>>"");
\n myservice = ((Service1.MyBinder)service).getService();
\n }
\n};
\n<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

bindService\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u4e00\u4e2aflag\u3002
\n \u53ef\u4ee5\u4f7f\u7528\u7684flag\u6709\uff1a<\/p>\n

BIND_AUTO_CREATE\uff1a\u7ed1\u5b9a\u5b8c\u6210\u540e\u5c31\u542f\u52a8\u76ee\u6807service<\/p>\n

BIND_DEBUG_UNBIND\uff1a\u8fd9\u53ea\u5728debug\u65f6\u4f7f\u7528\uff0c\u8ddfunbind\u6709\u5173\u3002<\/p>\n

BIND_NOT_FOREGROUND\uff1a\u786e\u4fdd\u88ab\u7ed1\u5b9a\u7684service\u6c38\u8fdc\u4e0d\u4f1a\u6709\u8fd0\u884c\u4e8e\u524d\u53f0\u7684\u4f18\u5148\u7ea7\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7ed1\u5b9a\u4e00\u4e2aservice\u4f1a\u63d0\u9ad8\u5b83\u7684\u4f18\u5148\u7ea7<\/p>\n

BIND_ABOVE_CLIENT\uff1a\u786e\u4fdd\u5ba2\u6237\u7aef\u5904\u4e8e\u524d\u53f0\u65f6\uff0c\u7ed1\u5b9a\u7684service\u4e5f\u53d8\u4e3a\u524d\u53f0\u8fdb\u7a0b<\/p>\n

BIND_ALLOW_OOM_MANAGEMENT\uff1a\u5141\u8bb8\u7cfb\u7edf\u5728\u4f4e\u5185\u5b58\u7b49\u72b6\u6001\u4e0b\u5220\u9664\u8be5service\uff08\u8fd9\u662f\u81ea\u5df1\u5bf9\u6e90\u7801\u4e2d\u6ce8\u91ca\u7684\u7406\u89e3\uff09<\/p>\n

BIND_WAIVE_PRIORITY\uff1a\u7ed1\u5b9aservice\u65f6\u4e0d\u6539\u53d8\u5176\u4f18\u5148\u7ea7<\/p>\n

BIND_ADJUST_WITH_ACTIVITY\uff1a\u7cfb\u7edf\u6839\u636eservice\u6240\u7ed1\u5b9a\u7684activity\u7684\u91cd\u8981\u7a0b\u5ea6\u6765\u8c03\u6574\u8fd9\u4e2aservice\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8fd9\u9700\u8981\u5b9e\u73b0service\u4e2d\u7684onBind()\u51fd\u6570\u4ee5\u8fd4\u56deservice\u5b9e\u4f8b\u7ed9ac […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-42335","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=42335"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42335\/revisions"}],"predecessor-version":[{"id":42336,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/42335\/revisions\/42336"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=42335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=42335"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=42335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}