Example usage for android.widget TextView destroyDrawingCache

Introduction

In this page you can find the example usage for android.widget TextView destroyDrawingCache.

Prototype

@Deprecated
public void destroyDrawingCache() 

Source Link

Document

Frees the resources used by the drawing cache.

Usage

From source file:com.gsbabil.antitaintdroid.UtilityFunctions.java

public int captureBitmapCache(String in) {
    TextView tv = (TextView) MyApp.context.findViewById(R.id.ocrTextview);
    String tvText = tv.getText().toString();
    float tvTextSize = tv.getTextSize();
    int tvColor = tv.getCurrentTextColor();
    Bitmap bitmap = null;/*from   w w w  .  j  av a 2 s.co m*/

    tv.setTextSize(36);
    tv.setTextColor(Color.CYAN);
    tv.setTypeface(Typeface.SANS_SERIF);

    tv.setText(in);

    while (bitmap == null) {
        // http://stackoverflow.com/questions/2339429/android-view-getdrawingcache-returns-null-only-null
        tv.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
                MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
        tv.layout(0, 0, tv.getMeasuredWidth(), tv.getMeasuredHeight());

        tv.setDrawingCacheEnabled(true);
        tv.buildDrawingCache(true);
        bitmap = Bitmap.createBitmap(tv.getDrawingCache());
        tv.destroyDrawingCache();
        tv.setDrawingCacheEnabled(false);
    }

    FileOutputStream fos = null;
    int res = -1;
    try {
        fos = new FileOutputStream(currentDirectory() + "/files/" + MyApp.SCREENSHOT_FILENAME);
        if (fos != null) {
            bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fos);
            fos.close();
            res = 0;
        }
    } catch (Throwable e) {
        Log.i(MyApp.TAG, e.getMessage().toString());
        res = -1;
    }

    tv.setTextSize(TypedValue.COMPLEX_UNIT_PX, tvTextSize);
    tv.setTypeface(Typeface.MONOSPACE);
    tv.setText(tvText);
    tv.setTextColor(tvColor);
    return res;
}

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