android.app.ProgressDialog#isShowing ( )源码实例Demo

/**
 * 显示加载时进度条
 */
public void showProgress() {
    mProgressDialog = new ProgressDialog(this);
    mProgressDialog.setMessage("请稍候...");
    if (!mProgressDialog.isShowing())
        mProgressDialog.show();
}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(getContext());
    pd.setMessage("加载中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();
}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(getContext());
    pd.setMessage("加载中...");
    if(!pd.isShowing()){
        pd.show();
    }

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(getContext());
    pd.setMessage("处理中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(getContext());
    pd.setMessage("搜索中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(OrderDetailActivity.this);
    pd.setMessage("搜索中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(OrderDetailActivity.this);
    pd.setMessage("处理中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(SubmitOrderActivity.this);
    pd.setMessage("提交中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();
}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(context);
    pd.setMessage("处理中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(CollectionActivity.this);
    pd.setMessage("处理中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(ForgerActivity.this);
    pd.setMessage("处理中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();
}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(LoginActivity.this);
    pd.setMessage("正在登录...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

@Override
protected void onPreExecute() {
    super.onPreExecute();
    pd = new ProgressDialog(GoodDetailActivity.this);
    pd.setMessage("加载中...");
    if(!pd.isShowing()){
        pd.show();
    }
    pd.show();

}
 

/**
 * 显示加载时进度条
 */
public void showProgress() {
    mProgressDialog = new ProgressDialog(this);
    mProgressDialog.setMessage("请稍候...");
    if (!mProgressDialog.isShowing())
        mProgressDialog.show();
}
 

private void doCapture(WebView webView, ProgressDialog pd, FileHelper.OnSavedToGalleryListener listener) {
    ScreenShotHelper.shotWebView(webView, listener);
    if (pd != null && pd.isShowing()) {
        pd.dismiss();
    }
}
 

/**
 * Stops progressDialog.
 * @param progressDialog -Progress dialog which needs to be stopped.
 */
public static void stopProgressDialog(ProgressDialog progressDialog) {
	if (progressDialog != null && progressDialog.isShowing()) {
		progressDialog.dismiss();
	}
}
 

/**
 * Stops progressDialog.
 * @param progressDialog -Progress dialog which needs to be stopped.
 */
public static void stopProgressDialog(ProgressDialog progressDialog) {
	if (progressDialog != null && progressDialog.isShowing()) {
		progressDialog.dismiss();
	}
}
 

/**
 * Stops progressDialog.
 * @param progressDialog -Progress dialog which needs to be stopped.
 */
public static void stopProgressDialog(ProgressDialog progressDialog) {
	if (progressDialog != null && progressDialog.isShowing()) {
		progressDialog.dismiss();
	}
}
 

/**
 * Dismiss {@link ProgressDialog} with check in one line.
 *
 * @param progressDialog the dialog to dismiss.
 */
public static void dismissProgressDialog(ProgressDialog progressDialog) {
    if (progressDialog != null && progressDialog.isShowing()) {
        progressDialog.dismiss();
    }
}
 

/**
 * 数据加载对话框框消失方法，避免矿口句柄溢出
 * 
 * @param ctx
 *            依附的activity
 * @param pd
 *            目标对话框
 * 
 * 
 * */
public static void dismiss(Activity ctx, ProgressDialog pd) {
	if (pd != null && pd.isShowing() && ctx != null && !ctx.isFinishing())
		pd.dismiss();
}