public class ECProgressDialog extends Dialog {

    private TextView mTextView;
    private View mImageView;
    AsyncTask mAsyncTask;

    private final OnCancelListener mCancelListener = new OnCancelListener() {
        @Override
        public void onCancel(DialogInterface dialog) {
            if(mAsyncTask != null) {
                mAsyncTask.cancel(true);
            }
        }
    };

    /**
     * @param context
     */
    public ECProgressDialog(Context context) {
        super(context , R.style.Theme_Light_CustomDialog_Blue);
        mAsyncTask = null;
        setCancelable(true);
        setContentView(R.layout.common_loading_diloag);
        mTextView = (TextView)findViewById(R.id.textview);
        mImageView = findViewById(R.id.imageview);
        setOnCancelListener(mCancelListener);
    }

    /**
     * @param context
     * @param resid
     */
    public ECProgressDialog(Context context, int resid) {
        this(context);
        mTextView.setText(resid);
    }

    public ECProgressDialog(Context context, CharSequence text) {
        this(context);
        mTextView.setText(text);
    }

    public ECProgressDialog(Context context, AsyncTask asyncTask) {
        this(context);
        mAsyncTask = asyncTask;
    }

    public ECProgressDialog(Context context, CharSequence text, AsyncTask asyncTask) {
        this(context , text);
        mAsyncTask = asyncTask;
    }

    /**
     * 设置对话框显示文本
     * @param text
     */
    public final void setPressText(CharSequence text) {
        mTextView.setText(text);
    }

    public final void dismiss() {
        try {
            super.dismiss();
            mImageView.clearAnimation();
        }catch (Exception ex){
            ex.printStackTrace();
        }
    }

    public final void show() {
        super.show();
        Animation loadAnimation = AnimationUtils.loadAnimation(getContext() ,R.anim.loading);
        mImageView.startAnimation(loadAnimation);
    }

}

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