AOP之AspectJ简单使用
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AOP之AspectJ简单使用
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主要知識點(diǎn):
案例代碼,實(shí)現(xiàn)自動(dòng)化埋點(diǎn):改自gradle-android-aspectj-plugin:
activity_my.xml
<com.uphyca.gradle.android.aspectj.CLinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:id="@+id/root"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"android:orientation="vertical"android:clickable="true"tools:context=".MyActivity"><TextViewandroid:id="@+id/greeting"android:layout_width="wrap_content"android:layout_height="100dp"android:gravity="center"/><TextViewandroid:id="@+id/greeting1"android:layout_width="wrap_content"android:layout_height="100dp"android:layout_below="@id/greeting"android:text="click me"android:gravity="center"/><TextViewandroid:id="@+id/greeting2"android:layout_width="wrap_content"android:layout_height="100dp"android:layout_below="@id/greeting1"android:text="click me"android:gravity="center"/></com.uphyca.gradle.android.aspectj.CLinearLayout>MyActivity.java
public class MyActivity extends AppCompatActivity implements View.OnClickListener{@InjectGreeter greeter;private View.OnClickListener clickListener = new View.OnClickListener() {@Overridepublic void onClick(View v) {Log.i("aaaaaaaaaaaa", "AppCompatActivity.clickListener");}};@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);((MyApplication) getApplication()).getComponent().inject(this);setContentView(R.layout.activity_my);TextView.class.cast(findViewById(R.id.greeting)).setText(greeter.greet());TextView.class.cast(findViewById(R.id.greeting)).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {doActivityKisClick(v);}});TextView.class.cast(findViewById(R.id.greeting1)).setOnClickListener(this);TextView.class.cast(findViewById(R.id.greeting2)).setOnClickListener(clickListener);init();}private void init(){Log.i("aaaaaaaaaaaa", "init");}private void doActivityKisClick(View v){Log.i("aaaaaaaaaaaa", "doActivityKisClick");}@Overridepublic void onClick(View v) {Log.i("aaaaaaaaaaaa", "MyActivity.onClick");} }MyAspect.aj
import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect;public aspect MyAspect {pointcut callGreet() : call(String com.uphyca.gradle.android.aspectj.Greeter+.greet());pointcut callInit() : call(private void com.uphyca.gradle.android.aspectj.MyActivity.init());/* 不管是匿名OnClickListener還是Activity implements方式,包括Activity、Fragment、自定義View中,都可以匹配*/pointcut callClick(android.view.View v) : execution(* android.view.View.OnClickListener.onClick(..)) && args(v);/* callClick也匹配了*/pointcut callDoClick(android.view.View v) : call(private void com.uphyca.gradle.android.aspectj.MyActivity.doActivityKisClick(android.view.View)) && target(com.uphyca.gradle.android.aspectj.MyActivity) && args(v);/* callClick也匹配了*/pointcut doCLayoutClick(android.view.View v) : call(private void com.uphyca.gradle.android.aspectj.CLinearLayout.doCKisClick(android.view.View)) && target(com.uphyca.gradle.android.aspectj.CLinearLayout) && args(v);/* 匹配所有KisClick結(jié)尾的事件, public/private/protect,以及static/final屬于可選項(xiàng)。如果不設(shè)置它們,則默認(rèn)都會(huì)選擇,不需要用*代替 */pointcut doAllClick(android.view.View v) : call(* *.*KisClick(android.view.View)) && args(v);String around() : callGreet() {String result = proceed();return result.replace("world", "aspect");}before() : callInit() {android.util.Log.i("aaaaaaaaaaaa", "callInit");}before(android.view.View v) : callClick(v) {android.util.Log.i("aaaaaaaaaaaa", "callClick");}before(android.view.View v) : callDoClick(v) {android.util.Log.i("aaaaaaaaaaaa", "callDoClick");}before(android.view.View v) : doCLayoutClick(v) {android.util.Log.i("aaaaaaaaaaaa", "doCLayoutClick");}before(android.view.View v) : doAllClick(v) {org.aspectj.lang.Signature signature = thisJoinPoint.getSignature();String typeName = signature.getDeclaringTypeName();String methodName = signature.getName();android.util.Log.i("aaaaaaaaaaaa", "DeclaringTypeName: " + typeName + "." + methodName);} }CLinearlayout.java
public class CLinearLayout extends LinearLayout{public CLinearLayout(Context context) {this(context, null);}public CLinearLayout(Context context, AttributeSet attrs) {super(context, attrs);setOrientation(VERTICAL);setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {doCKisClick(v);doCSecondKisClick(v);}});}private void doCKisClick(View v){Log.i("aaaaaaaaaaaa", "CLinearLayout.click");}private void doCSecondKisClick(View v){Log.i("aaaaaaaaaaaa", "CLinearLayout.doCSecondKisClick");}}轉(zhuǎn)載于:https://my.oschina.net/bruces/blog/759962
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