Android Open Source - InfoWallpaper Text Size Dialog

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Back to project page InfoWallpaper.
License

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

package com.andreashedin.general;
/*  w  w  w  .  j a v  a 2  s .com*/
import java.util.ArrayList;

import com.andreashedin.infowallpaper.DisplayValuePair;
import com.andreashedin.infowallpaper.R;

import android.app.Dialog;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Spinner;
import android.widget.TextView;

public class TextSizeDialog extends Dialog implements View.OnClickListener, OnSeekBarChangeListener, OnItemSelectedListener {
  
  public interface OnSizeChangedListener {
    void sizeChanged(int size, String font);
  }

  private OnSizeChangedListener mListener;
  private int mStartSize;
  private SeekBar mSizeBar;
  private TextView mSizeInput;
  private TextView mSample;
  private Spinner mFontSpinner;
  private String mTypefaceFile;
  private Resources mResources;
  private String mText;
  
  TextSizeDialog(Context context, Resources resources, OnSizeChangedListener listener, String font, int startSize, String text) {
    super(context);
    
    mResources = resources;
    mListener = listener;
    mTypefaceFile = font;
    mStartSize = startSize;
    mText = text;
  }
  
  @Override
  public void onClick(View v) {
      if(v.getId() == R.id.saveSizeDialogButton) {
        mListener.sizeChanged(mSizeBar.getProgress(), mTypefaceFile);
        dismiss();
      }
      else {
        cancel();
      }
  }
    
    @Override
  public void onBackPressed() {
    cancel();
  }
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.size_slider); 
        
        Button b = (Button)findViewById(R.id.saveSizeDialogButton);
        b.setOnClickListener(this);
        b = (Button)findViewById(R.id.cancelSizeDialogButton);
        b.setOnClickListener(this);
        
        mSizeInput = (TextView)findViewById(R.id.editTextSizeInput);
        mSizeBar = (SeekBar)findViewById(R.id.sizeDialogBar);
        mSample = (TextView)findViewById(R.id.sampleText);
        mSizeBar.setOnSeekBarChangeListener(this);
        mSizeBar.setProgress(mStartSize);
        mFontSpinner = (Spinner)findViewById(R.id.fontSpinner);
        mFontSpinner.setOnItemSelectedListener(this);
        
        int fontSel = 0;
        try {          
          String[] fontValues = mResources.getStringArray(R.array.fontValues);          
        String[] fontDisplays = mResources.getStringArray(R.array.fontDisplays);
          
          ArrayList<DisplayValuePair<String>> fontList = new ArrayList<DisplayValuePair<String>>();
          for(int i = 0; i < fontValues.length && i < fontDisplays.length; ++i) {
            if(fontValues[i].equals(mTypefaceFile))
              fontSel = i;
            
            fontList.add(new DisplayValuePair<String>(fontDisplays[i], fontValues[i]));
          }
          ArrayAdapter<DisplayValuePair<String>> adapter = new ArrayAdapter<DisplayValuePair<String>>(getContext(), R.layout.list_item, fontList);
          mFontSpinner.setAdapter(adapter);
          mFontSpinner.setSelection(fontSel);
        }
        catch(Exception ex) {
          
        }
        
        if(mText.length() > 0 && !mText.equals("#icon#")) {
        mText = mText.replace("#n", "\n");
        mSample.setText(mText);
        }
        
        setTitle(R.string.setFontAndSizeTitle);
        loadFont();
    }

    private void loadFont() {      
      Typeface tf = Typeface.DEFAULT;
    try {
        AssetManager assets = getContext().getAssets();
        if(mTypefaceFile.length() > 0)
          tf = Typeface.createFromAsset(assets, "fonts/" + mTypefaceFile);
    }
    catch(Exception ex) {
      tf = null;
    }
    
    if(tf == null)
      tf = Typeface.DEFAULT;
    
    mSample.setTypeface(tf);
    }
    
  @Override
  public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
    mSizeInput.setText(String.valueOf(mSizeBar.getProgress()));
    mSample.setTextSize(mSizeBar.getProgress());
  }

  @Override
  public void onStartTrackingTouch(SeekBar arg0) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public void onStopTrackingTouch(SeekBar arg0) {
    // TODO Auto-generated method stub
    
  }

  @SuppressWarnings("unchecked")
  @Override
  public void onItemSelected(AdapterView<?> adapter, View view, int pos, long id) {
    mTypefaceFile = ((DisplayValuePair<String>)mFontSpinner.getItemAtPosition(pos)).getValue();
    loadFont();
  }

  @Override
  public void onNothingSelected(AdapterView<?> arg0) {
    mTypefaceFile = "";
  }
}
Java Source Code List
