“`1\u3001standard\uff1a\u6807\u51c6\u5316\u542f\u52a8\u6a21\u5f0f<\/p>\n
<pre><code>\u6bcf\u542f\u52a8\u4e00\u4e2aActivity\uff0c\u90fd\u4f1a\u91cd\u65b0\u521b\u5efaActivity\u7684\u65b0\u7684\u5b9e\u4f8b\uff0c\u5c06\u5176\u653e\u5728\u6808\u7684\u9876\u90e8\u3002\u4e0d\u9700\u8981\u8003\u8651\u8fd9\u4e2a\u5b9e\u4f8b\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u3002<\/p>\n
\u6bcf\u4e00\u6b21\u542f\u52a8\uff0c\u5b83\u7684onCreate()\u3001onStart()\u3001onResume()\u65b9\u6cd5\u90fd\u4f1a\u88ab\u4f9d\u6b21\u8c03\u7528\u3002
\n<\/code><\/pre><\/p>\n
2\u3001singleTop\uff1a\u6808\u9876\u590d\u7528\u6a21\u5f0f<\/p>\n
<pre><code>\u5f53\u524d\u6808\u4e2d\u5df2\u7ecf\u6709\u8be5Activity\u5b9e\u4f8b\uff0c\u5e76\u4e14\u8be5\u5b9e\u4f8b\u4f4d\u4e8e\u6808\u9876\u65f6\uff0c\u4f1a\u53bb\u8c03\u7528onNewIntent()\u65b9\u6cd5\u3002<\/p>\n
\u5f53\u524d\u6808\u4e2d\u5df2\u6709\u8be5Activity\u7684\u5b9e\u4f8b\u4f46\u662f\u8be5\u5b9e\u4f8b\u4e0d\u5728\u6808\u9876\u65f6\uff0c\u4f9d\u7136\u4f1a\u53bb\u521b\u5efaActivity\u3002<\/p>\n
\u5f53\u524d\u6808\u4e2d\u4e0d\u5b58\u5728\u8be5Activity\u5b9e\u4f8b\u65f6\uff0c\u4f1a\u53bb\u65b0\u521b\u5efa\u4e00\u4e2a\u8be5Activity\u3002
\n<\/code><\/pre><\/p>\n
\u5e94\u7528\u573a\u666f\uff1aIM\u5bf9\u8bdd\u6846\u3001\u65b0\u95fb\u5ba2\u6237\u7aef\u63a8\u9001\u3002<\/p>\n
3\u3001singleTask\uff1a\u6808\u5185\u590d\u7528\u6a21\u5f0f<\/p>\n
<pre><code> \u5b83\u4e3b\u8981\u68c0\u6d4b\u3010\u5bfb\u627e\uff0c\u901a\u8fc7taskAffinity\u3011\u6574\u4e2a\u6808\u4e2d\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u5f53\u524d\u60f3\u8981\u542f\u52a8\u7684Activity\uff0c\u5b58\u5728\u7684\u8bdd\u76f4\u63a5\u5c06\u8be5Activity\u7f6e\u4e8e\u6808\u9876\uff0c\u4e4b\u524d\u4f4d\u4e8e\u8be5Activity\u4e0a\u9762\u7684Activity\u5c06\u88ab\u9500\u6bc1\uff0c\u540c\u65f6\u8c03\u7528onNewIntent()\u65b9\u6cd5\uff0c\u800c\u4e0d\u5b58\u5728\u7684\u8bdd\u8fdb\u884c\u521b\u5efa\u3002
\n<\/code><\/pre><\/p>\n
\u5e94\u7528\u573a\u666f\uff1a\u5e94\u7528\u4e3b\u754c\u9762\u3002<\/p>\n
4\u3001singleInstance\uff1a<\/p>\n
<pre><code>\u4e00\u4e2a\u4eba\u72ec\u4eab\u4e00\u4e2a\u4efb\u52a1\u6808\u3002\u5f53\u8be5Activity\u542f\u52a8\u65f6\uff0c\u7cfb\u7edf\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u4efb\u52a1\u6808\uff0c\u540c\u65f6\u5c06Activity\u653e\u5230\u8fd9\u4e2a\u65b0\u7684\u4efb\u52a1\u6808\u5f53\u4e2d\uff0c\u6709\u522b\u7684\u5e94\u7528\u6765\u542f\u52a8\u8be5Activity\u65f6\uff0c\u7531\u4e8e\u6808\u5185\u590d\u7528\u7684\u7279\u6027\uff0c\u4e0d\u4f1a\u518d\u53bb\u521b\u5efa\u76f8\u5e94Activity\u4efb\u52a1\u6808\uff0c\u800c\u662f\u8fd9\u4e24\u4e2a\u5e94\u7528\u72ec\u4eab\u4e00\u4e2aActivity\u5b9e\u4f8b\u3002<\/p>\n
\u4f8b\u5982\uff1a\u5e94\u7528A\u4e2d\u73b0\u6709\u4e24\u4e2aActivity E\u3001Activity F\uff0c\u4e3astandard\u542f\u52a8\u6a21\u5f0f\uff0c\u5e94\u7528B\u4e2d\u6709\u4e00\u4e2aActivity G\uff0c\u4f46\u5176\u542f\u52a8\u6a21\u5f0f\u662fsingleInstance\u3002\u5e94\u7528A\u60f3\u7528\u5e94\u7528B\u4efb\u52a1\u6808\u5f53\u4e2d\u7684Activity G\uff0c\u5c3d\u7ba1\u5728\u4e0d\u540c\u7684\u5e94\u7528\u4e0b\uff0c\u4f46\u662f\u5e94\u7528A\u4ecd\u7136\u4f1a\u76f4\u63a5\u590d\u7528Activity G\u3002
\n<\/code><\/pre><\/p>\n
\u7279\u6027\uff1a<\/p>\n
<pre><code> 1\u3001\u4ee5SingleInstance\u6a21\u5f0f\u542f\u52a8\u7684Activity\u5177\u6709\u5168\u5c40\u552f\u4e00\u6027\u3010\u5168\u5c40\u552f\u4e00\u6027\u5373\u6307\u5728\u6574\u4e2a\u7cfb\u7edf\u5f53\u4e2d\u53ea\u4f1a\u5b58\u5728\u4e00\u4e2a\u8fd9\u6837\u7684\u5b9e\u4f8b\u3011\uff1b<\/p>\n
2\u3001\u5982\u679c\u5728\u542f\u52a8\u8fd9\u6837\u4e00\u4e2aActivity\u65f6\uff0c\u3010\u6574\u4e2a\u7cfb\u7edf\u90fd\u662f\u5355\u4f8b\u7684\u3011\uff0c\u5df2\u7ecf\u5b58\u5728\u4e86\u4e00\u4e2a\u5b9e\u4f8b\uff1b<\/p>\n
3\u3001\u4ee5SingleInstance\u6a21\u5f0f\u542f\u52a8\u7684Activity\u5177\u6709\u72ec\u5360\u6027\u3002
\n<\/code><\/pre><\/p>\n
\u5e94\u7528\u573a\u666f\uff1a\u547c\u53eb\u6765\u7535\u3002<\/p>\n
\u00a0<\/p>\n
“`<\/p>\n","protected":false},"excerpt":{"rendered":"
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