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optimize readme
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README.md

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#DataAutoAccess
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Android bundle data auto access
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##Usages
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1. activity启动时取出intent中的数据;
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2. activity由于系统内存不足时被杀死,在onSaveInstanceState方法里存储数据,onCreate时取出数据。
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自动存取Android Bundle中数据——给需要自动存取的变量添加注解,编译时会通过注解处理自动生成存取的代码
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##Use
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BaseActivity中添加取出数据和存储数据代码:
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* Activity启动时自动取出Intent中的数据,并赋值给相应的field
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* Activity由于系统内存不足将要被杀死时,在onSaveInstanceState方法里存储数据,Activity重启时在onCreate中取出数据并赋值给相应的field
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```java
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public class ExampleActivity extends Activity{
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@AutoAccess(dataName = "name")
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String name;
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@AutoAccess(dataName = "description")
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String description;
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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//get data
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Bundle data;
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data = getIntent().getExtras();
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data = savedInstanceState;
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}
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DataAutoAccess.getData(this, data);
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//TODO use fields...
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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//save data
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DataAutoAccess.saveData(this, outState);
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}
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}
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```
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启动Activity时传入参数:
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Intent intent = new Intent(this, TestActivity.class);
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intent.putExtra("name", "DataAutoAccess");
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intent.putExtra("description", "Android bundle data auto access.");
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startActivity(intent);
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给ExampleActivity中需要自动存储的变量添加注解:
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@AutoAccess(dataName = "name")
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private String name;
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@AutoAccess(dataName = "description")
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private String description;
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经过以上配置之后,DataAutoAccess会自动从intent中取出数据,给name和description变量赋值,而且当activity由于系统内存不足被杀死时,也会自动保存变量值,在onCreate时取出进行赋值。
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Intent传参形式:
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```java
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Intent intent = new Intent(this, ExampleActivity.class);
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intent.putExtra("name", "DataAutoAccess");
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intent.putExtra("description", "Android bundle data auto access.");
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startActivity(intent);
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```
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经过以上配置之后,DataAutoAccess会自动从intent中取出数据,给name和description变量赋值,而且当activity由于系统内存不足将要被杀死时,也会自动保存变量值,在onCreate时取出进行赋值。
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##Download

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