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test: 在sample演示一种宿主加载插件View的方法
宿主在插件进程的HostAddPluginViewActivity调用宿主在主进程的MainProcessManagerReceiver。 主进程的MainProcessManagerReceiver调用主进程的manager对象。 主进程的manager对象调用PluginLoader接口的startPluginService方法。 插件中的HostAddPluginViewService通过共享宿主中的类HostAddPluginViewContainerHolder获取 宿主中同进程的HostAddPluginViewActivity对象，将自己构造的View设置到其中。 插件View由插件代码构造，此时View对象只能直接被同进程的宿主代码复用。 所以宿主中的HostAddPluginViewActivity要设置在插件进程。 由于Intent不能直接传递对象，所以通过HostAddPluginViewContainerHolder传递HostAddPluginViewActivity对象 到插件代码中，插件代码以HostAddPluginViewContainer接口操作该对象。 由于HostAddPluginViewActivity位于插件进程，而插件是由主进程中的manager对象 启动的，所以通过一个MainProcessManagerReceiver在主进程转调manager对象。 需要注意这并不是唯一的实现方案。方案的关键在于View构造时有自己的Context，构造后可以将对象添加到任意ViewGroup中。 #702
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‎projects/sample/source/sample-constant/src/main/java/com/tencent/shadow/sample/constant/Constant.java

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@@ -30,4 +30,5 @@ final public class Constant {
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public static final int FROM_ID_NOOP = 1000;
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public static final int FROM_ID_START_ACTIVITY = 1002;
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public static final int FROM_ID_CLOSE = 1003;
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public static final int FROM_ID_LOAD_VIEW_TO_HOST = 1004;
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}

‎projects/sample/source/sample-host-lib/src/main/java/com/tencent/shadow/sample/host/lib/HostAddPluginViewContainer.java

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@@ -0,0 +1,7 @@
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package com.tencent.shadow.sample.host.lib;
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import android.view.View;
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public interface HostAddPluginViewContainer {
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void addView(View view);
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}

‎projects/sample/source/sample-host-lib/src/main/java/com/tencent/shadow/sample/host/lib/HostAddPluginViewContainerHolder.java

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@@ -0,0 +1,8 @@
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package com.tencent.shadow.sample.host.lib;
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import java.util.HashMap;
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import java.util.Map;
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public class HostAddPluginViewContainerHolder {
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public final static Map<Integer, HostAddPluginViewContainer> instances = new HashMap<>();
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}

‎projects/sample/source/sample-host/src/main/AndroidManifest.xml

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@@ -75,23 +75,26 @@
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android:theme="@android:style/Theme.DeviceDefault"
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android:usesCleartextTraffic="true"
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tools:ignore="GoogleAppIndexingWarning">
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<activity android:name="com.tencent.shadow.sample.host.MainActivity"
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>
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<activity android:name="com.tencent.shadow.sample.host.MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity
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android:name=".plugin_view.HostAddPluginViewActivity"
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android:process=":plugin" />
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<provider
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android:authorities="${applicationId}.contentprovider.authority.dynamic"
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android:name="com.tencent.shadow.core.runtime.container.PluginContainerContentProvider"
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android:grantUriPermissions="true"
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android:process=":plugin"
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/>
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<service android:name="com.tencent.shadow.sample.host.PluginProcessPPS"
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android:process=":plugin"
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/>
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android:process=":plugin" />
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<service
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android:name="com.tencent.shadow.sample.host.PluginProcessPPS"
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android:process=":plugin" />
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<service
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android:name="com.tencent.shadow.sample.host.Plugin2ProcessPPS"
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android:process=":plugin2" />
@@ -136,6 +139,11 @@
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/>
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<!--dynamic activity注册 end -->
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<receiver android:name=".plugin_view.MainProcessManagerReceiver">
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<intent-filter>
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<action android:name="sample_host.manager.startPluginService" />
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</intent-filter>
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</receiver>
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</application>
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</manifest>

‎projects/sample/source/sample-host/src/main/java/com/tencent/shadow/sample/host/MainActivity.java

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@@ -34,6 +34,7 @@
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import android.widget.TextView;
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import com.tencent.shadow.sample.constant.Constant;
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import com.tencent.shadow.sample.host.plugin_view.HostAddPluginViewActivity;
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public class MainActivity extends Activity {
@@ -91,6 +92,14 @@ public void onClick(View v) {
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});
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rootView.addView(startPluginButton);
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Button startHostAddPluginViewActivityButton = new Button(this);
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startHostAddPluginViewActivityButton.setText("宿主添加插件View");
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startHostAddPluginViewActivityButton.setOnClickListener(v -> {
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Intent intent = new Intent(this, HostAddPluginViewActivity.class);
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startActivity(intent);
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});
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rootView.addView(startHostAddPluginViewActivityButton);
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setContentView(rootView);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

‎projects/sample/source/sample-host/src/main/java/com/tencent/shadow/sample/host/plugin_view/HostAddPluginViewActivity.java

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package com.tencent.shadow.sample.host.plugin_view;
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import android.app.Activity;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import com.tencent.shadow.sample.host.lib.HostAddPluginViewContainer;
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import com.tencent.shadow.sample.host.lib.HostAddPluginViewContainerHolder;
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public class HostAddPluginViewActivity extends Activity implements HostAddPluginViewContainer {
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private ViewGroup mPluginViewContainer;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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LinearLayout activityContentView = new LinearLayout(this);
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activityContentView.setOrientation(LinearLayout.VERTICAL);
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LinearLayout.LayoutParams wrapContent = new LinearLayout.LayoutParams(
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ViewGroup.LayoutParams.WRAP_CONTENT,
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ViewGroup.LayoutParams.WRAP_CONTENT
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);
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TextView note = new TextView(this);
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note.setLayoutParams(wrapContent);
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note.setText("需要先启动插件sample-plugin-app后，才能点下面的加载插件View");
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Button loadButton = new Button(this);
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loadButton.setText("加载插件View");
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loadButton.setOnClickListener(this::loadPluginView);
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loadButton.setLayoutParams(wrapContent);
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ViewGroup pluginViewContainer = new LinearLayout(this);
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pluginViewContainer.setLayoutParams(wrapContent);
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mPluginViewContainer = pluginViewContainer;
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View[] views = {
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note,
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loadButton,
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pluginViewContainer
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};
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for (View view : views) {
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activityContentView.addView(view);
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}
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setContentView(activityContentView);
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}
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private void loadPluginView(View view) {
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//简化逻辑，只允许点一次
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view.setEnabled(false);
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//因为当前Activity和插件都在:plugin进程，不能直接操作主进程的manager对象，所以通过一个广播调用manager。
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Intent intent = new Intent();
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intent.setPackage(getPackageName());
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intent.setAction("sample_host.manager.startPluginService");
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final int id = System.identityHashCode(this);
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HostAddPluginViewContainerHolder.instances.put(id, this);
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intent.putExtra("id", id);
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sendBroadcast(intent);
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}
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@Override
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public void addView(View view) {
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mPluginViewContainer.addView(view);
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}
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}

‎projects/sample/source/sample-host/src/main/java/com/tencent/shadow/sample/host/plugin_view/MainProcessManagerReceiver.java

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@@ -0,0 +1,16 @@
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package com.tencent.shadow.sample.host.plugin_view;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import com.tencent.shadow.sample.constant.Constant;
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import com.tencent.shadow.sample.host.HostApplication;
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public class MainProcessManagerReceiver extends BroadcastReceiver {
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@Override
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public void onReceive(Context context, Intent intent) {
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HostApplication.getApp().getPluginManager()
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.enter(context, Constant.FROM_ID_LOAD_VIEW_TO_HOST, intent.getExtras(), null);
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}
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}

‎projects/sample/source/sample-manager/src/main/java/com/tencent/shadow/sample/manager/SamplePluginManager.java

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@@ -25,6 +25,7 @@
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.RemoteException;
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import android.view.LayoutInflater;
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import android.view.View;
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@@ -80,11 +81,27 @@ public void enter(final Context context, long fromId, Bundle bundle, final Enter
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onStartActivity(context, bundle, callback);
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} else if (fromId == Constant.FROM_ID_CLOSE) {
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close();
84+
} else if (fromId == Constant.FROM_ID_LOAD_VIEW_TO_HOST) {
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loadViewToHost(context, bundle);
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} else {
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throw new IllegalArgumentException("不认识的fromId==" + fromId);
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}
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}
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91+
private void loadViewToHost(final Context context, Bundle bundle) {
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Intent pluginIntent = new Intent();
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pluginIntent.setClassName(
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context.getPackageName(),
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"com.tencent.shadow.sample.plugin.app.lib.usecases.service.HostAddPluginViewService"
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);
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pluginIntent.putExtras(bundle);
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try {
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mPluginLoader.startPluginService(pluginIntent);
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} catch (RemoteException e) {
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throw new RuntimeException(e);
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}
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}
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private void onStartActivity(final Context context, Bundle bundle, final EnterCallback callback) {
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final String pluginZipPath = bundle.getString(Constant.KEY_PLUGIN_ZIP_PATH);
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final String partKey = bundle.getString(Constant.KEY_PLUGIN_PART_KEY);

‎projects/sample/source/sample-plugin/sample-app/src/main/AndroidManifest.xml

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@@ -67,6 +67,7 @@
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android:authorities="${applicationId}.provider.test"
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android:name="com.tencent.shadow.sample.plugin.app.lib.usecases.provider.TestProvider" />
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<service android:name=".usecases.service.HostAddPluginViewService" />
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</application>
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</manifest>

‎projects/sample/source/sample-plugin/sample-app/src/main/java/com/tencent/shadow/sample/plugin/app/lib/usecases/service/HostAddPluginViewService.java

+34
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@@ -0,0 +1,34 @@
1+
package com.tencent.shadow.sample.plugin.app.lib.usecases.service;
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3+
import android.app.IntentService;
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import android.content.Intent;
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import android.os.Handler;
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import android.os.Looper;
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import android.support.annotation.Nullable;
8+
import android.view.LayoutInflater;
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import android.view.View;
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11+
import com.tencent.shadow.sample.host.lib.HostAddPluginViewContainer;
12+
import com.tencent.shadow.sample.host.lib.HostAddPluginViewContainerHolder;
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import com.tencent.shadow.sample.plugin.app.lib.R;
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public class HostAddPluginViewService extends IntentService {
16+
private final Handler uiHandler = new Handler(Looper.getMainLooper());
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public HostAddPluginViewService() {
19+
super("HostAddPluginViewService");
20+
}
21+
22+
@Override
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protected void onHandleIntent(@Nullable Intent intent) {
24+
int id = intent.getIntExtra("id", 0);
25+
HostAddPluginViewContainer viewContainer
26+
= HostAddPluginViewContainerHolder.instances.remove(id);
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28+
uiHandler.post(() -> {
29+
View view = LayoutInflater.from(this).inflate(
30+
R.layout.layout_host_add_plugin_view, null, false);
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viewContainer.addView(view);
32+
});
33+
}
34+
}

‎projects/sample/source/sample-plugin/sample-app/src/main/res/layout/layout_host_add_plugin_view.xml

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@@ -0,0 +1,15 @@
1+
<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/host_add_plugin_view" />
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<ImageView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:src="@drawable/collapse" />
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</LinearLayout>

‎projects/sample/source/sample-plugin/sample-app/src/main/res/values/strings.xml

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@@ -19,5 +19,6 @@
1919
<resources>
2020
<!-- Simple strings. -->
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<string name="app_name">Shadow主测试用例集合</string>
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<string name="host_add_plugin_view">这是插件中的string资源</string>
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</resources>
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