Android Open Source - AndroidPlugin Plugin Delegate Activity Impl

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License

The source code is released under:

MIT License

Java Source Code

/*
 * Copyright (C) 2014 achellies//from  w  ww  .  j a  v a2 s. c  o m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.limemobile.app.plugin.internal;

import java.lang.reflect.Constructor;

import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageInfo;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.Resources.Theme;
import android.os.Build;
import android.os.Bundle;
import android.text.TextUtils;

import com.limemobile.app.plugin.IPluginActivity;

public class PluginDelegateActivityImpl {
  protected String mPluginClientActivityClass;
  protected String mPluginClientPackageName;

  protected PluginClientInfo mPluginClient;
  protected PluginClientManager mPluginManager;

  protected AssetManager mAssetManager;
  protected Resources mResources;
  protected Theme mTheme;

  protected ActivityInfo mActivityInfo;
  protected Activity mPluginHostActivity;
  protected IPluginActivity mDelegatedActivity;

  public PluginDelegateActivityImpl(Activity activity) {
    mPluginHostActivity = activity;
  }

  public void onCreate(Intent intent) {
    mPluginClientPackageName = intent
        .getStringExtra(PluginClientManager.INTENT_EXTRA_PLUGIN_CLIENT_PACKAGE_NAME);
    mPluginClientActivityClass = intent
        .getStringExtra(PluginClientManager.INTENT_EXTRA_PLUGIN_CLIENT_ACTIVITY_CLASS);

    mPluginManager = PluginClientManager
        .sharedInstance(mPluginHostActivity);
    mPluginClient = mPluginManager
        .getPluginClient(mPluginClientPackageName);
    mAssetManager = mPluginClient.mAssetManager;
    mResources = mPluginClient.mResources;

    initializeActivityInfo();
    handleActivityInfo();
    launchTargetActivity();
  }

  private void initializeActivityInfo() {
    PackageInfo packageInfo = mPluginClient.mClientPackageInfo;
    if ((packageInfo.activities != null)
        && (packageInfo.activities.length > 0)) {
      if (TextUtils.isEmpty(mPluginClientActivityClass)) {
        mPluginClientActivityClass = packageInfo.activities[0].name;
      }
      for (ActivityInfo a : packageInfo.activities) {
        if (a.name.equals(mPluginClientActivityClass)) {
          mActivityInfo = a;
        }
      }
    }
  }

  private void handleActivityInfo() {
    if (mActivityInfo.theme > 0) {
      mPluginHostActivity.setTheme(mActivityInfo.theme);
    }
    Theme superTheme = mPluginHostActivity.getTheme();
    mTheme = mResources.newTheme();
    mTheme.setTo(superTheme);

    // TODO: handle mActivityInfo.launchMode here in the future.
  }

  @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
  protected void launchTargetActivity() {
    try {
      Class<?> localClass = getClassLoader().loadClass(
          mPluginClientActivityClass);
      Constructor<?> localConstructor = localClass
          .getConstructor(new Class[] {});
      Object instance = localConstructor.newInstance(new Object[] {});
      if (!(instance instanceof IPluginActivity)) {
        throw new IllegalArgumentException();
      }
      mDelegatedActivity = (IPluginActivity) instance;
      ((IPluginActivityDelegate) mPluginHostActivity)
          .attach(mDelegatedActivity);

      mDelegatedActivity.setDelegate(mPluginHostActivity, mPluginClient);

      Bundle bundle = new Bundle();
      mDelegatedActivity.onCreate(bundle);
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  public ClassLoader getClassLoader() {
    return mPluginClient.mClassLoader;
  }

  public AssetManager getAssets() {
    return mAssetManager;
  }

  public Resources getResources() {
    return mResources;
  }

  public Theme getTheme() {
    return mTheme;
  }

  public IPluginActivity getRemoteActivity() {
    return mDelegatedActivity;
  }
}

Java Source Code List

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