protected void onCreate(Bundle savedInstanceState) { button1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { openProcessDialog(true); Intent i = new Intent(); i.setClass(MainActivity.this, MyFaxMainPage.class); startActivity(i); } }); ...... } private void openProcessDialog(boolean value) { if (value) { progressDialog = new ProgressDialog(MainActivity.this); progressDialog.setIndeterminate(false); progressDialog.setCancelable(false); progressDialog.setMessage("Preparing EFax ducument"); progressDialog.show(); } else { if (progressDialog != null && progressDialog.isShowing()) { progressDialog.dismiss(); } } } @Override //dismiss,when back to mainpage protected void onStop() { super.onStop(); openProcessDialog(false); progressDialog = null; }
ProgressDialog
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转载自jameskaron.iteye.com/blog/2178890
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