android-progressbar

问题 I want to show a progress bar or anything else on the screen when a particular piece of code will execute. How can I do this? 回答1: http://developer.android.com/reference/android/app/ProgressDialog.html http://www.helloandroid.com/tutorials/using-threads-and-progressdialog 来源： https://stackoverflow.com/questions/8148221/indicate-the-user-that-data-is-being-loading

问题 I can't access the progress bar that I created in onCreateView of fragment in the Asynctask of fragment. Its caused by error is progressbar in onPreExecute is giving NullPointerException. I created progressBar before I call asynctask. So what might be the problem? public class HomeFragment extends Fragment { ProgressBar progressBar; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.home_fragment,

问题 I'm using requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); setSupportProgressBarIndeterminateVisibility(true); setSupportProgressBarIndeterminateVisibility(false); to enable/disable indeterminate progress bar. With ActionBarSherlock, it worked with all devices but when using it with ActionBarCompat, it works only for Android versions above 2.3. I thought about using WindowCompat instead of Window but WindowCompat doesn't have FEATURE_INDETERMINATE_PROGRESS flag. 回答1:

问题 I have multiple files in dropbox account. I am successfully downloading files. But I want to show the progress bar with the percentage so when all files gets downloaded.The progress bar finishes.I am using AsyncTask for downloading files.here is my code. public void onPreExecute(){ mDialog = new ProgressDialog(mContext); mDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mDialog.setMax(100); mDialog.show(); } public void downloadFiles(String filename){ Log.i("Item Name",filename);

问题 im uploading files and im trying to use progressbar while its uploading frist of all i start the upload with this code: @Override public void onClick(View v) { if(v== ivAttachment){ //on attachment icon click showFileChooser(); } if(v== bUpload){ //on upload button Click if(selectedFilePath != null){ dialog = new ProgressDialog(upload.this); dialog.setMax(100); dialog.setMessage("Subiendo Archivo..."); dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); dialog.setProgress(0); dialog

问题 I am working on Tab layout and progress dialog. I want to show progress dialog for five sec when user comes on the tab layout and when user changes the tabs. I used following same code to show the progress dialog in both conditions. public class TabLayoutActivity extends TabActivity { ProgressDialog progressDialog; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tablayoutview); progressDialog = ProgressDialog.show(TabLayoutActivity

问题 I am having a similar problem as mentioned in here Here is my xml layout : <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_alignParentBottom="true"> <ImageButton android:id="@+id/imageButton” android:layout_width="40dip" android:layout_height="match_parent" android:background="@android:color/transparent" android:contentDescription="@string

问题 I just made a Countdowntimer and a Progressbar : public void button1_onClick (View view) { mCountDownTimer=new CountDownTimer(10000,1000) { @Override public void onTick(long millisUntilFinished) { Log.v("Log_tag", "Tick of Progress"+ i+ millisUntilFinished); i++; mProgressBar.setProgress(i); } @Override public void onFinish() { i++; mProgressBar.setProgress(i); game_end(); } }; mCountDownTimer.start(); } public void button2_reset_onClick (View view) { mProgressBar.setProgress(0); } It is also

问题 I'm trying to implement an Android ProgressBar but its size is taking the whole screen. I've followed a couple of examples but it didn't make any effect. Here is my code <ProgressBar android:id="@+id/progress" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="false" android:padding="45dp" android:visibility="gone" /> 回答1: The ProgressBar is taking the whole screen size, probably because you've set the layout-width and/or layout-height to match

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . I want a square progressbar like in above images, which should change color at certain condition. Exactly like zynga poker. lets take total duration is 6 seconds. 2sec-green 2sec-yellow 2sec-red As this 回答1: You can use canvas for making a custom view like this. For more info: http://developer.android.com