Android Open Source - ColorWallpaper Share Activity

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License

The source code is released under:
Licensed under the Expat License. Copyright (C) 2013 Peter Occil Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the...
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Java Source Code

package com.upokecenter.android.ui;
/*from   w  ww  .j  av a 2  s  .  c  om*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.graphics.Color;
import android.os.Build;
import android.os.Bundle;
import android.os.Parcelable;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.upokecenter.android.util.AppManager;

//public class ShareFragment extends android.support.v4.app.Fragment { private Activity getThis(){ return this.getActivity(); }
public class ShareActivity extends Activity { private Activity getThis(){ return this; }

private class IntentHolder {
  Intent intent;
  String packageName;
  String label;
  public IntentHolder(String packageName, String label){
    this.packageName=packageName;
    this.label=label;
  }
  @Override public String toString(){
    return label;
  }
}

AlertDialog dialog=null;
boolean useChooser=false;

private boolean advancedShare(Intent sourceIntent){
  Bundle bundle=sourceIntent.getExtras();
  String action=sourceIntent.getAction();
  String title=bundle.getString(Intent.EXTRA_TITLE);
  String message=bundle.getString(Intent.EXTRA_TEXT);
  String subject=bundle.getString(Intent.EXTRA_SUBJECT);
  final Activity thisActivity=getThis();
  Intent share = new Intent(Intent.ACTION_SEND);
  share.setType(sourceIntent.getType());
  share.putExtra(Intent.EXTRA_TEXT,message);
  share.putExtra(Intent.EXTRA_SUBJECT,subject);
  List<Intent> intents = new ArrayList<Intent>();
  List<IntentHolder> resolveInfos=new ArrayList<IntentHolder>();
  for(ResolveInfo intentAct : thisActivity.getPackageManager().queryIntentActivities(share, 0)) {
    resolveInfos.add(new IntentHolder(
        intentAct.activityInfo.packageName,
        intentAct.loadLabel(thisActivity.getPackageManager()).toString()
        ));
  }
  // Sort intent list by label
  Collections.sort(resolveInfos,new Comparator<IntentHolder>(){
    @Override
    public int compare(IntentHolder a, IntentHolder b){
      return a.label.compareTo(b.label); // compare the labels
    }
  });
  for(IntentHolder intentAct : resolveInfos) {
    Intent intent = new Intent(action);
    intent.setType("text/plain");
    String packageName=intentAct.packageName;
    intent.putExtra(Intent.EXTRA_SUBJECT, subject);
    intent.putExtra(Intent.EXTRA_TEXT, message);
    if(useChooser && (Build.VERSION.SDK_INT<Build.VERSION_CODES.ICE_CREAM_SANDWICH)){
      modifyIntent(intent);
    }
    intent.setPackage(packageName);
    intentAct.intent=intent;
    intents.add(intent);
  }
  if(intents.size()<=0){
    // No intents available for sharing
    Toast.makeText(thisActivity.getApplicationContext(),
        AppManager.getStringResourceValue("nowaytoshare","No applications for sharing are installed."),
        Toast.LENGTH_SHORT).show();
    return false;
  } else {
    if(useChooser){
      Intent chooser = Intent.createChooser(intents.remove(intents.size()-1),title);
      chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS,
          intents.toArray(new Parcelable[]{}));
      this.startActivityForResult(chooser,0);
      return true;
    } else {
      final List<IntentHolder> ri=resolveInfos;
      AlertDialog.Builder builder=DialogUtility.createBuilder(thisActivity);
      builder=builder.setAdapter(
          new ArrayAdapter<IntentHolder>(thisActivity,
              AppManager.getLayoutResource("textimagelayout"),
              AppManager.getIdResource("text"),
              resolveInfos){
            @Override
            public View getView(int position, View convertView, ViewGroup parent){
              ImageView image;
              if(convertView!=null){
                image=(ImageView)convertView.findViewById(AppManager.getIdResource("icon"));
                if(image!=null)return convertView;
              }
              View view=super.getView(position,convertView,parent);
              image=(ImageView)view.findViewById(AppManager.getIdResource("icon"));
              TextView text=(TextView)view.findViewById(AppManager.getIdResource("text"));
              if(Build.VERSION.SDK_INT<Build.VERSION_CODES.HONEYCOMB){
                // this is a hack, since otherwise the text will be white on
                // white if the activity's theme is "dark"
                text.setTextColor(Color.BLACK);
              }
              if(image!=null){
                try {
                  image.setImageDrawable(getContext().getPackageManager().getActivityIcon(getItem(position).intent));
                } catch (NameNotFoundException e) {}
              }
              return view;
            }
          },new DialogInterface.OnClickListener(){
            @Override
            public void onClick(DialogInterface di, int position) {
              di.dismiss(); // Dismiss -before- starting the activity
              Intent intent=ri.get(position).intent;
              modifyIntent(intent);
              thisActivity.startActivity(intent);
            }
          }
          );
      builder=builder.setTitle(title);
      dialog=builder.create();
      dialog.setOnDismissListener(new DialogInterface.OnDismissListener(){
        @Override
        public void onDismiss(DialogInterface arg0) {
          //DebugUtility.log("onDismiss was called");
          doFinish();
        }
      });
      dialog.show();
      return true;
    }
  }
}

boolean savingState=false;
private void doFinish(){
  //DebugUtility.log("doFinish was called");
  if(!savingState){
    //DebugUtility.log("now finishing");
    getThis().finish();
  }
}

private void modifyIntent(Intent intent){
  String packageName=intent.getPackage();
  String intentText=intent.getStringExtra(Intent.EXTRA_TEXT);
  if(packageName!=null){
    if(packageName.equals("com.facebook.katana")){
      // Extract URL from message for Facebook
      Matcher matcher=Pattern.compile("(geo\\:|[a-z\\-]+\\:\\/\\/)\\S+").matcher(intentText);
      if(matcher.find()){
        intentText=matcher.group();
        intent.putExtra(Intent.EXTRA_TEXT, intentText);
      }
    }
  }
}

@Override
public void onSaveInstanceState(Bundle b){
  super.onSaveInstanceState(b);
  savingState=true;
  //DebugUtility.log("saving state");
  if(dialog!=null){
    dialog.dismiss();
    dialog=null;
  }
}

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data){
  super.onActivityResult(requestCode,resultCode,data);
  getThis().finish();
}

@Override
public void onCreate(Bundle b){
  super.onCreate(b);
  useChooser=(Build.VERSION.SDK_INT>=Build.VERSION_CODES.ICE_CREAM_SANDWICH);
  if(b==null || !useChooser){
    AppManager.initialize(getThis());
    Intent intent=getThis().getIntent();
    if(Intent.ACTION_SEND.equals(intent.getAction())){
      if(!advancedShare(intent)){
        getThis().finish();
      }
    } else {
      getThis().finish();
    }
  } else {
    // chooser activity is already showing
    getThis().finish();
  }
}
}
Java Source Code List
