问题描述
- 进度条不能运行的问题
-
我想填充进度条，但是没有实现。
MainActivity ：package com.example.progressbar; import android.os.Bundle; import android.os.Handler; import android.app.Activity; import android.app.ProgressDialog; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public abstract class MainActivity2 extends Activity { int progressStatus = 0; int fileSize = 0; ProgressDialog progress; Button button; Handler h=new Handler(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonClick(); } public void buttonClick(){ button=(Button)findViewById(R.id.button1); button.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { progress=new ProgressDialog(v.getContext()); progress.setCancelable(true); progress.setMessage("File Downloading.."); progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); progress.setProgress(0); progress.setMax(100); progress.show(); new Thread(new Runnable() { @Override public void run() { while (progressStatus<=100) { progressStatus=doOperation(); try{ Thread.sleep(1000); } //end of try catch (Exception e) { e.printStackTrace(); }// End of the Catch h.post(new Runnable() { @Override public void run() { // TODO Auto-generated method stub progress.setProgress(progressStatus); }); //end of post } // end of while if (progressStatus>=100) { try{ Thread.sleep(4000); }catch (Exception e) { e.printStackTrace(); } progress.dismiss(); } } // end of run }).start(); } //end of on click method }); //end of new on click listener } private int doOperation() { while(fileSize<=10000){ ++fileSize; if(fileSize==1000){ return 10; } if(fileSize==2000){ return 20; } if(fileSize==3000){ return 30; } if(fileSize==4000){ return 40; } if(fileSize==5000){ return 50; } if(fileSize==6000){ return 60; } if(fileSize==7000){ return 70; } if(fileSize==8000){ return 80; } if(fileSize==9000){ return 90; } if(fileSize==10000){ return 100; } //end of while return 100; } // end of doOperation() } // End of the classException：
09-10 09:56:12.719: D/dalvikvm(553): newInstance failed: p0 i0 [0 a1 09-10 09:56:12.770: D/AndroidRuntime(553): Shutting down VM 09-10 09:56:12.770: W/dalvikvm(553): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 09-10 09:56:12.890: E/AndroidRuntime(553): FATAL EXCEPTION: main 09-10 09:56:12.890: E/AndroidRuntime(553): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.progressbar/com.example.progressbar.MainActivity}: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.os.Handler.dispatchMessage(Handler.java:99) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.os.Looper.loop(Looper.java:123) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-10 09:56:12.890: E/AndroidRuntime(553): at java.lang.reflect.Method.invokeNative(Native Method) 09-10 09:56:12.890: E/AndroidRuntime(553): at java.lang.reflect.Method.invoke(Method.java:521) 09-10 09:56:12.890: E/AndroidRuntime(553): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 09-10 09:56:12.890: E/AndroidRuntime(553): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 09-10 09:56:12.890: E/AndroidRuntime(553): at dalvik.system.NativeStart.main(Native Method) 09-10 09:56:12.890: E/AndroidRuntime(553): Caused by: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 09:56:12.890: E/AndroidRuntime(553): at java.lang.Class.newInstanceImpl(Native Method) 09-10 09:56:12.890: E/AndroidRuntime(553): at java.lang.Class.newInstance(Class.java:1429) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 09-10 09:56:12.890: E/AndroidRuntime(553): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 09-10 09:56:12.890: E/AndroidRuntime(553): ... 11 more 09-10 09:59:38.939: D/dalvikvm(581): newInstance failed: p0 i0 [0 a1 09-10 09:59:38.939: D/AndroidRuntime(581): Shutting down VM 09-10 09:59:38.979: W/dalvikvm(581): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 09-10 09:59:39.059: E/AndroidRuntime(581): FATAL EXCEPTION: main 09-10 09:59:39.059: E/AndroidRuntime(581): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.progressbar/com.example.progressbar.MainActivity}: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.os.Handler.dispatchMessage(Handler.java:99) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.os.Looper.loop(Looper.java:123) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-10 09:59:39.059: E/AndroidRuntime(581): at java.lang.reflect.Method.invokeNative(Native Method) 09-10 09:59:39.059: E/AndroidRuntime(581): at java.lang.reflect.Method.invoke(Method.java:521) 09-10 09:59:39.059: E/AndroidRuntime(581): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 09-10 09:59:39.059: E/AndroidRuntime(581): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 09-10 09:59:39.059: E/AndroidRuntime(581): at dalvik.system.NativeStart.main(Native Method) 09-10 09:59:39.059: E/AndroidRuntime(581): Caused by: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 09:59:39.059: E/AndroidRuntime(581): at java.lang.Class.newInstanceImpl(Native Method) 09-10 09:59:39.059: E/AndroidRuntime(581): at java.lang.Class.newInstance(Class.java:1429) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 09-10 09:59:39.059: E/AndroidRuntime(581): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 09-10 09:59:39.059: E/AndroidRuntime(581): ... 11 more 09-10 10:04:39.199: I/Process(581): Sending signal. PID: 581 SIG: 9 09-10 10:09:58.549: D/dalvikvm(609): newInstance failed: p0 i0 [0 a1 09-10 10:09:58.590: D/AndroidRuntime(609): Shutting down VM 09-10 10:09:58.590: W/dalvikvm(609): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 09-10 10:09:58.629: E/AndroidRuntime(609): FATAL EXCEPTION: main 09-10 10:09:58.629: E/AndroidRuntime(609): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.progressbar/com.example.progressbar.MainActivity}: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.os.Handler.dispatchMessage(Handler.java:99) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.os.Looper.loop(Looper.java:123) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-10 10:09:58.629: E/AndroidRuntime(609): at java.lang.reflect.Method.invokeNative(Native Method) 09-10 10:09:58.629: E/AndroidRuntime(609): at java.lang.reflect.Method.invoke(Method.java:521) 09-10 10:09:58.629: E/AndroidRuntime(609): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 09-10 10:09:58.629: E/AndroidRuntime(609): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 09-10 10:09:58.629: E/AndroidRuntime(609): at dalvik.system.NativeStart.main(Native Method) 09-10 10:09:58.629: E/AndroidRuntime(609): Caused by: java.lang.InstantiationException: com.example.progressbar.MainActivity 09-10 10:09:58.629: E/AndroidRuntime(609): at java.lang.Class.newInstanceImpl(Native Method) 09-10 10:09:58.629: E/AndroidRuntime(609): at java.lang.Class.newInstance(Class.java:1429) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 09-10 10:09:58.629: E/AndroidRuntime(609): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 09-10 10:09:58.629: E/AndroidRuntime(609): ... 11 more 09-10 10:10:05.819: I/Process(609): Sending signal. PID: 609 SIG: 9 09-10 10:17:26.139: W/KeyCharacterMap(723): No keyboard for id 0 09-10 10:17:26.150: W/KeyCharacterMap(723): Using default keymap: /system/usr/keychars/qwerty.kcm.bin 09-10 10:19:15.472: W/KeyCharacterMap(781): No keyboard for id 0 09-10 10:19:15.472: W/KeyCharacterMap(781): Using default keymap: /system/usr/keychars/qwerty.kcm.bin 09-10 10:43:31.709: D/dalvikvm(866): newInstance failed: p0 i0 [0 a1 09-10 10:43:31.709: D/AndroidRuntime(866): Shutting down VM 09-10 10:43:31.740: W/dalvikvm(866): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 09-10 10:43:31.759: E/AndroidRuntime(866): FATAL EXCEPTION: main 09-10 10:43:31.759: E/AndroidRuntime(866): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.progressbar/com.example.progressbar.MainActivity2}: java.lang.InstantiationException: com.example.progressbar.MainActivity2 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread.access$2300(ActivityThread.java:125) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.os.Handler.dispatchMessage(Handler.java:99) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.os.Looper.loop(Looper.java:123) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread.main(ActivityThread.java:4627) 09-10 10:43:31.759: E/AndroidRuntime(866): at java.lang.reflect.Method.invokeNative(Native Method) 09-10 10:43:31.759: E/AndroidRuntime(866): at java.lang.reflect.Method.invoke(Method.java:521) 09-10 10:43:31.759: E/AndroidRuntime(866): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 09-10 10:43:31.759: E/AndroidRuntime(866): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 09-10 10:43:31.759: E/AndroidRuntime(866): at dalvik.system.NativeStart.main(Native Method) 09-10 10:43:31.759: E/AndroidRuntime(866): Caused by: java.lang.InstantiationException: com.example.progressbar.MainActivity2 09-10 10:43:31.759: E/AndroidRuntime(866): at java.lang.Class.newInstanceImpl(Native Method) 09-10 10:43:31.759: E/AndroidRuntime(866): at java.lang.Class.newInstance(Class.java:1429) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 09-10 10:43:31.759: E/AndroidRuntime(866): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577) 09-10 10:43:31.759: E/AndroidRuntime(866): ... 11 more
时间： 2024-10-03 03:32:43