Android之进度框的两种显示方法
Android之进度框的两种显示方法
显示进度对话框
在程序中调用showDialog的时候,系统会回调函数onCreateDialog,此时可以根据传递过来的id进行相应的显示
如果需要显示对话框,则需要覆写onCreateDialog函数,在显示选项中new一个progressDialog对象,然后返回就可以了
- @Override
- protected Dialog onCreateDialog(int id) {
- switch (id) {
- case DIALOG1_KEY: { //有标题栏的进度对话框
- ProgressDialog dialog = new ProgressDialog(this);
- dialog.setTitle("Indeterminate");
- dialog.setMessage("Please wait while loading...");
- dialog.setIndeterminate(true);
- dialog.setCancelable(true);
- return dialog;
- }
- case DIALOG2_KEY: { //没有标题栏的进度对话框
- ProgressDialog dialog = new ProgressDialog(this);
- dialog.setMessage("Please wait while loading...");
- dialog.setIndeterminate(true);
- dialog.setCancelable(true);
- return dialog;
- }
- }
- return null;
- }
- private boolean mToggleIndeterminate = false;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- // Request progress bar
- requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
- setContentView(R.layout.progressbar_4);
- setProgressBarIndeterminateVisibility(mToggleIndeterminate);
- Button button = (Button) findViewById(R.id.toggle);
- button.setOnClickListener(new Button.OnClickListener() {
- public void onClick(View v) {
- mToggleIndeterminate = !mToggleIndeterminate;
- setProgressBarIndeterminateVisibility(mToggleIndeterminate);
- }
- });
- }
评论暂时关闭