Android Open Source - RadaeePDF-B4A main

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License

The source code is released under:
Apache License
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Java Source Code

package com.rootsoft.pdfviewer;
//from   w ww  .jav a2 s  .  c o  m
import anywheresoftware.b4a.B4AMenuItem;
import android.app.Activity;
import android.os.Bundle;
import anywheresoftware.b4a.BA;
import anywheresoftware.b4a.BALayout;
import anywheresoftware.b4a.B4AActivity;
import anywheresoftware.b4a.ObjectWrapper;
import anywheresoftware.b4a.objects.ActivityWrapper;
import java.lang.reflect.InvocationTargetException;
import anywheresoftware.b4a.B4AUncaughtException;
import anywheresoftware.b4a.debug.*;
import java.lang.ref.WeakReference;

public class main extends Activity implements B4AActivity{
  public static main mostCurrent;
  static boolean afterFirstLayout;
  static boolean isFirst = true;
    private static boolean processGlobalsRun = false;
  BALayout layout;
  public static BA processBA;
  BA activityBA;
    ActivityWrapper _activity;
    java.util.ArrayList<B4AMenuItem> menuItems;
  public static final boolean fullScreen = true;
  public static final boolean includeTitle = false;
    public static WeakReference<Activity> previousOne;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    if (isFirst) {
      processBA = new BA(this.getApplicationContext(), null, null, "com.rootsoft.pdfviewer", "com.rootsoft.pdfviewer.main");
      processBA.loadHtSubs(this.getClass());
          float deviceScale = getApplicationContext().getResources().getDisplayMetrics().density;
          BALayout.setDeviceScale(deviceScale);
            
    }
    else if (previousOne != null) {
      Activity p = previousOne.get();
      if (p != null && p != this) {
                BA.LogInfo("Killing previous instance (main).");
        p.finish();
      }
    }
    if (!includeTitle) {
          this.getWindow().requestFeature(android.view.Window.FEATURE_NO_TITLE);
        }
        if (fullScreen) {
          getWindow().setFlags(android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN,   
              android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN);
        }
    mostCurrent = this;
        processBA.sharedProcessBA.activityBA = null;
    layout = new BALayout(this);
    setContentView(layout);
    afterFirstLayout = false;
    BA.handler.postDelayed(new WaitForLayout(), 5);

  }
  private static class WaitForLayout implements Runnable {
    public void run() {
      if (afterFirstLayout)
        return;
      if (mostCurrent == null)
        return;
            
      if (mostCurrent.layout.getWidth() == 0) {
        BA.handler.postDelayed(this, 5);
        return;
      }
      mostCurrent.layout.getLayoutParams().height = mostCurrent.layout.getHeight();
      mostCurrent.layout.getLayoutParams().width = mostCurrent.layout.getWidth();
      afterFirstLayout = true;
      mostCurrent.afterFirstLayout();
    }
  }
  private void afterFirstLayout() {
        if (this != mostCurrent)
      return;
    activityBA = new BA(this, layout, processBA, "com.rootsoft.pdfviewer", "com.rootsoft.pdfviewer.main");
        
        processBA.sharedProcessBA.activityBA = new java.lang.ref.WeakReference<BA>(activityBA);
        anywheresoftware.b4a.objects.ViewWrapper.lastId = 0;
        _activity = new ActivityWrapper(activityBA, "activity");
        anywheresoftware.b4a.Msgbox.isDismissing = false;
        if (BA.isShellModeRuntimeCheck(processBA)) {
      if (isFirst)
        processBA.raiseEvent2(null, true, "SHELL", false);
      processBA.raiseEvent2(null, true, "CREATE", true, "com.rootsoft.pdfviewer.main", processBA, activityBA, _activity, anywheresoftware.b4a.keywords.Common.Density);
      _activity.reinitializeForShell(activityBA, "activity");
    }
        initializeProcessGlobals();    
        initializeGlobals();
        
        BA.LogInfo("** Activity (main) Create, isFirst = " + isFirst + " **");
        processBA.raiseEvent2(null, true, "activity_create", false, isFirst);
    isFirst = false;
    if (this != mostCurrent)
      return;
        processBA.setActivityPaused(false);
        BA.LogInfo("** Activity (main) Resume **");
        processBA.raiseEvent(null, "activity_resume");
        if (android.os.Build.VERSION.SDK_INT >= 11) {
      try {
        android.app.Activity.class.getMethod("invalidateOptionsMenu").invoke(this,(Object[]) null);
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

  }
  public void addMenuItem(B4AMenuItem item) {
    if (menuItems == null)
      menuItems = new java.util.ArrayList<B4AMenuItem>();
    menuItems.add(item);
  }
  @Override
  public boolean onCreateOptionsMenu(android.view.Menu menu) {
    super.onCreateOptionsMenu(menu);
    if (menuItems == null)
      return false;
    for (B4AMenuItem bmi : menuItems) {
      android.view.MenuItem mi = menu.add(bmi.title);
      if (bmi.drawable != null)
        mi.setIcon(bmi.drawable);
            if (android.os.Build.VERSION.SDK_INT >= 11) {
        try {
                    if (bmi.addToBar) {
                android.view.MenuItem.class.getMethod("setShowAsAction", int.class).invoke(mi, 1);
                    }
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
      mi.setOnMenuItemClickListener(new B4AMenuItemsClickListener(bmi.eventName.toLowerCase(BA.cul)));
    }
    return true;
  }
    public void onWindowFocusChanged(boolean hasFocus) {
       super.onWindowFocusChanged(hasFocus);
       if (processBA.subExists("activity_windowfocuschanged"))
           processBA.raiseEvent2(null, true, "activity_windowfocuschanged", false, hasFocus);
    }
  private class B4AMenuItemsClickListener implements android.view.MenuItem.OnMenuItemClickListener {
    private final String eventName;
    public B4AMenuItemsClickListener(String eventName) {
      this.eventName = eventName;
    }
    public boolean onMenuItemClick(android.view.MenuItem item) {
      processBA.raiseEvent(item.getTitle(), eventName + "_click");
      return true;
    }
  }
    public static Class<?> getObject() {
    return main.class;
  }
    private Boolean onKeySubExist = null;
    private Boolean onKeyUpSubExist = null;
  @Override
  public boolean onKeyDown(int keyCode, android.view.KeyEvent event) {
    if (onKeySubExist == null)
      onKeySubExist = processBA.subExists("activity_keypress");
    if (onKeySubExist) {
      if (keyCode == anywheresoftware.b4a.keywords.constants.KeyCodes.KEYCODE_BACK &&
          android.os.Build.VERSION.SDK_INT >= 18) {
        HandleKeyDelayed hk = new HandleKeyDelayed();
        hk.kc = keyCode;
        BA.handler.post(hk);
        return true;
      }
      else {
        boolean res = new HandleKeyDelayed().runDirectly(keyCode);
        if (res)
          return true;
      }
    }
    return super.onKeyDown(keyCode, event);
  }
  private class HandleKeyDelayed implements Runnable {
    int kc;
    public void run() {
      runDirectly(kc);
    }
    public boolean runDirectly(int keyCode) {
      Boolean res =  (Boolean)processBA.raiseEvent2(_activity, false, "activity_keypress", false, keyCode);
      if (res == null || res == true) {
                return true;
            }
            else if (keyCode == anywheresoftware.b4a.keywords.constants.KeyCodes.KEYCODE_BACK) {
        finish();
        return true;
      }
            return false;
    }
    
  }
    @Override
  public boolean onKeyUp(int keyCode, android.view.KeyEvent event) {
    if (onKeyUpSubExist == null)
      onKeyUpSubExist = processBA.subExists("activity_keyup");
    if (onKeyUpSubExist) {
      Boolean res =  (Boolean)processBA.raiseEvent2(_activity, false, "activity_keyup", false, keyCode);
      if (res == null || res == true)
        return true;
    }
    return super.onKeyUp(keyCode, event);
  }
  @Override
  public void onNewIntent(android.content.Intent intent) {
    this.setIntent(intent);
  }
    @Override 
  public void onPause() {
    super.onPause();
        if (_activity == null) //workaround for emulator bug (Issue 2423)
            return;
    anywheresoftware.b4a.Msgbox.dismiss(true);
        BA.LogInfo("** Activity (main) Pause, UserClosed = " + activityBA.activity.isFinishing() + " **");
        processBA.raiseEvent2(_activity, true, "activity_pause", false, activityBA.activity.isFinishing());    
        processBA.setActivityPaused(true);
        mostCurrent = null;
        if (!activityBA.activity.isFinishing())
      previousOne = new WeakReference<Activity>(this);
        anywheresoftware.b4a.Msgbox.isDismissing = false;
  }

  @Override
  public void onDestroy() {
        super.onDestroy();
    previousOne = null;
  }
    @Override 
  public void onResume() {
    super.onResume();
        mostCurrent = this;
        anywheresoftware.b4a.Msgbox.isDismissing = false;
        if (activityBA != null) { //will be null during activity create (which waits for AfterLayout).
          ResumeMessage rm = new ResumeMessage(mostCurrent);
          BA.handler.post(rm);
        }
  }
    private static class ResumeMessage implements Runnable {
      private final WeakReference<Activity> activity;
      public ResumeMessage(Activity activity) {
        this.activity = new WeakReference<Activity>(activity);
      }
    public void run() {
      if (mostCurrent == null || mostCurrent != activity.get())
        return;
      processBA.setActivityPaused(false);
            BA.LogInfo("** Activity (main) Resume **");
        processBA.raiseEvent(mostCurrent._activity, "activity_resume", (Object[])null);
    }
    }
  @Override
  protected void onActivityResult(int requestCode, int resultCode,
        android.content.Intent data) {
    processBA.onActivityResult(requestCode, resultCode, data);
  }
  private static void initializeGlobals() {
    processBA.raiseEvent2(null, true, "globals", false, (Object[])null);
  }

public anywheresoftware.b4a.keywords.Common __c = null;
public static int _result = 0;
public com.rootsoft.pdfviewer.readercontroller _vpdf = null;
public com.rootsoft.rspdfviewer.pdf.RSPDFGlobal _global = null;
public com.rootsoft.rspdfviewer.pdf.RSPDFDocument _document = null;

public static boolean isAnyActivityVisible() {
    boolean vis = false;
vis = vis | (main.mostCurrent != null);
return vis;}
public static String  _activity_create(boolean _firsttime) throws Exception{
 //BA.debugLineNum = 45;BA.debugLine="Sub Activity_Create(FirstTime As Boolean)";
 //BA.debugLineNum = 49;BA.debugLine="Global.Initialize(\"PDFViewer\")";
mostCurrent._global.Initialize(mostCurrent.activityBA,"PDFViewer");
 //BA.debugLineNum = 50;BA.debugLine="vPDF.Initialize(\"ReaderController\")";
mostCurrent._vpdf._initialize(mostCurrent.activityBA,"ReaderController");
 //BA.debugLineNum = 51;BA.debugLine="Document.Initialize";
mostCurrent._document.Initialize();
 //BA.debugLineNum = 52;BA.debugLine="Document.Close";
mostCurrent._document.Close();
 //BA.debugLineNum = 54;BA.debugLine="CopyFile";
_copyfile();
 //BA.debugLineNum = 56;BA.debugLine="result = Document.Open(File.Combine(File.DirRootExternal, \"test.pdf\"), Null)";
_result = mostCurrent._document.Open(anywheresoftware.b4a.keywords.Common.File.Combine(anywheresoftware.b4a.keywords.Common.File.getDirRootExternal(),"test.pdf"),BA.ObjectToString(anywheresoftware.b4a.keywords.Common.Null));
 //BA.debugLineNum = 59;BA.debugLine="If CheckResult(result) Then";
if (_checkresult(_result)) { 
 //BA.debugLineNum = 60;BA.debugLine="ToastMessageShow(\"Opening document.\", False)";
anywheresoftware.b4a.keywords.Common.ToastMessageShow("Opening document.",anywheresoftware.b4a.keywords.Common.False);
 //BA.debugLineNum = 61;BA.debugLine="vPDF.Open(Document)";
mostCurrent._vpdf._open(mostCurrent._document);
 //BA.debugLineNum = 62;BA.debugLine="Activity.AddView(vPDF.AsView, 0dip, 0dip, 100%x, 100%y)";
mostCurrent._activity.AddView((android.view.View)(mostCurrent._vpdf._asview().getObject()),anywheresoftware.b4a.keywords.Common.DipToCurrent((int) (0)),anywheresoftware.b4a.keywords.Common.DipToCurrent((int) (0)),anywheresoftware.b4a.keywords.Common.PerXToCurrent((float) (100),mostCurrent.activityBA),anywheresoftware.b4a.keywords.Common.PerYToCurrent((float) (100),mostCurrent.activityBA));
 //BA.debugLineNum = 63;BA.debugLine="vPDF.Invalidate";
mostCurrent._vpdf._invalidate();
 //BA.debugLineNum = 64;BA.debugLine="vPDF.AsView.BringToFront";
mostCurrent._vpdf._asview().BringToFront();
 }else {
 //BA.debugLineNum = 66;BA.debugLine="ToastMessageShow(\"An error occurred.: \" & result, True)";
anywheresoftware.b4a.keywords.Common.ToastMessageShow("An error occurred.: "+BA.NumberToString(_result),anywheresoftware.b4a.keywords.Common.True);
 };
 //BA.debugLineNum = 70;BA.debugLine="End Sub";
return "";
}
public static String  _activity_pause(boolean _userclosed) throws Exception{
 //BA.debugLineNum = 76;BA.debugLine="Sub Activity_Pause (UserClosed As Boolean)";
 //BA.debugLineNum = 77;BA.debugLine="Close";
_close();
 //BA.debugLineNum = 78;BA.debugLine="End Sub";
return "";
}
public static String  _activity_resume() throws Exception{
 //BA.debugLineNum = 72;BA.debugLine="Sub Activity_Resume";
 //BA.debugLineNum = 74;BA.debugLine="End Sub";
return "";
}
public static boolean  _checkresult(int _presult) throws Exception{
 //BA.debugLineNum = 80;BA.debugLine="Sub CheckResult (pResult As Int) As Boolean";
 //BA.debugLineNum = 82;BA.debugLine="Select pResult";
switch (BA.switchObjectToInt(_presult,(int) (0),(int) (-1),(int) (-2),(int) (-3),(int) (-10))) {
case 0:
 //BA.debugLineNum = 84;BA.debugLine="Return True";
if (true) return anywheresoftware.b4a.keywords.Common.True;
 break;
case 1:
 break;
case 2:
 break;
case 3:
 break;
case 4:
 break;
}
;
 //BA.debugLineNum = 92;BA.debugLine="Return False";
if (true) return anywheresoftware.b4a.keywords.Common.False;
 //BA.debugLineNum = 93;BA.debugLine="End Sub";
return false;
}
public static String  _close() throws Exception{
 //BA.debugLineNum = 95;BA.debugLine="Sub Close";
 //BA.debugLineNum = 96;BA.debugLine="vPDF.Close";
mostCurrent._vpdf._close();
 //BA.debugLineNum = 97;BA.debugLine="If Document <> Null Then";
if (mostCurrent._document!= null) { 
 //BA.debugLineNum = 98;BA.debugLine="Document.Close";
mostCurrent._document.Close();
 };
 //BA.debugLineNum = 100;BA.debugLine="Global.RemoveTmp";
mostCurrent._global.RemoveTmp();
 //BA.debugLineNum = 101;BA.debugLine="End Sub";
return "";
}
public static String  _copyfile() throws Exception{
 //BA.debugLineNum = 103;BA.debugLine="Sub CopyFile";
 //BA.debugLineNum = 104;BA.debugLine="If Not(File.Exists(File.DirRootExternal, \"test.pdf\")) Then";
if (anywheresoftware.b4a.keywords.Common.Not(anywheresoftware.b4a.keywords.Common.File.Exists(anywheresoftware.b4a.keywords.Common.File.getDirRootExternal(),"test.pdf"))) { 
 //BA.debugLineNum = 105;BA.debugLine="File.Copy(File.DirAssets, \"test.pdf\", File.DirRootExternal, \"test.pdf\")";
anywheresoftware.b4a.keywords.Common.File.Copy(anywheresoftware.b4a.keywords.Common.File.getDirAssets(),"test.pdf",anywheresoftware.b4a.keywords.Common.File.getDirRootExternal(),"test.pdf");
 };
 //BA.debugLineNum = 107;BA.debugLine="End Sub";
return "";
}

public static void initializeProcessGlobals() {
    
    if (main.processGlobalsRun == false) {
      main.processGlobalsRun = true;
    try {
            main._process_globals();
    
        } catch (Exception e) {
      throw new RuntimeException(e);
    }
    }
}public static String  _globals() throws Exception{
 //BA.debugLineNum = 25;BA.debugLine="Sub Globals";
 //BA.debugLineNum = 30;BA.debugLine="Dim result As Int";
_result = 0;
 //BA.debugLineNum = 37;BA.debugLine="Dim vPDF As ReaderController";
mostCurrent._vpdf = new com.rootsoft.pdfviewer.readercontroller();
 //BA.debugLineNum = 38;BA.debugLine="Dim Global As PDFGlobal";
mostCurrent._global = new com.rootsoft.rspdfviewer.pdf.RSPDFGlobal();
 //BA.debugLineNum = 39;BA.debugLine="Dim Document As PDFDocument";
mostCurrent._document = new com.rootsoft.rspdfviewer.pdf.RSPDFDocument();
 //BA.debugLineNum = 43;BA.debugLine="End Sub";
return "";
}
public static String  _process_globals() throws Exception{
 //BA.debugLineNum = 15;BA.debugLine="Sub Process_Globals";
 //BA.debugLineNum = 23;BA.debugLine="End Sub";
return "";
}
}
Java Source Code List
