当我运行我的应用程序时，按下按钮它会强制关闭。我修复了 Android list ，但找不到问题。这是 Logcat:
03-07 23:48:53.035: D/dalvikvm(5457): GC_EXTERNAL_ALLOC freed 43K, 49% free 2797K/5379K, external 1596K/2108K, paused 99ms
03-07 23:48:53.132: D/dalvikvm(5457): GC_EXTERNAL_ALLOC freed 1K, 49% free 2796K/5379K, external 3471K/4335K, paused 35ms
03-07 23:48:53.691: D/dalvikvm(5457): GC_EXTERNAL_ALLOC freed <1K, 48% free 2798K/5379K, external 5048K/5580K, paused 53ms
03-07 23:48:54.281: D/dalvikvm(5457): GC_EXTERNAL_ALLOC freed <1K, 48% free 2799K/5379K, external 8143K/8403K, paused 48ms
03-07 23:48:55.996: D/AndroidRuntime(5457): Shutting down VM
03-07 23:48:55.996: W/dalvikvm(5457): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-07 23:48:56.039: E/AndroidRuntime(5457): FATAL EXCEPTION: main
03-07 23:48:56.039: E/AndroidRuntime(5457): android.content.ActivityNotFoundException: Unable to find explicit activity class {izzy.n/izzy.n.main1}; have you declared this activity in your AndroidManifest.xml?
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1405)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1379)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.app.Activity.startActivityForResult(Activity.java:2827)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.app.Activity.startActivity(Activity.java:2933)
03-07 23:48:56.039: E/AndroidRuntime(5457): at izzy.n.IzzynActivity$2.onClick(IzzynActivity.java:31)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.view.View.performClick(View.java:2538)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.view.View$PerformClick.run(View.java:9152)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.os.Handler.handleCallback(Handler.java:587)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.os.Handler.dispatchMessage(Handler.java:92)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.os.Looper.loop(Looper.java:130)
03-07 23:48:56.039: E/AndroidRuntime(5457): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-07 23:48:56.039: E/AndroidRuntime(5457): at java.lang.reflect.Method.invokeNative(Native Method)
03-07 23:48:56.039: E/AndroidRuntime(5457): at java.lang.reflect.Method.invoke(Method.java:507)
03-07 23:48:56.039: E/AndroidRuntime(5457): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-07 23:48:56.039: E/AndroidRuntime(5457): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-07 23:48:56.039: E/AndroidRuntime(5457): at dalvik.system.NativeStart.main(Native Method)
03-07 23:50:31.398: D/dalvikvm(5553): GC_EXTERNAL_ALLOC freed 47K, 49% free 2797K/5379K, external 1596K/2108K, paused 21ms
03-07 23:50:31.457: D/dalvikvm(5553): GC_EXTERNAL_ALLOC freed 1K, 49% free 2796K/5379K, external 3471K/4335K, paused 22ms
03-07 23:50:31.660: D/dalvikvm(5553): GC_EXTERNAL_ALLOC freed <1K, 48% free 2798K/5379K, external 5048K/5580K, paused 25ms
03-07 23:50:31.753: D/dalvikvm(5553): GC_EXTERNAL_ALLOC freed <1K, 48% free 2799K/5379K, external 8143K/8403K, paused 20ms
03-07 23:50:41.910: D/AndroidRuntime(5553): Shutting down VM
03-07 23:50:41.910: W/dalvikvm(5553): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-07 23:50:41.933: E/AndroidRuntime(5553): FATAL EXCEPTION: main
03-07 23:50:41.933: E/AndroidRuntime(5553): android.content.ActivityNotFoundException: Unable to find explicit activity class {izzy.n/izzy.n.main1}; have you declared this activity in your AndroidManifest.xml?
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1405)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1379)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.app.Activity.startActivityForResult(Activity.java:2827)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.app.Activity.startActivity(Activity.java:2933)
03-07 23:50:41.933: E/AndroidRuntime(5553): at izzy.n.IzzynActivity$2.onClick(IzzynActivity.java:31)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.view.View.performClick(View.java:2538)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.view.View$PerformClick.run(View.java:9152)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.os.Handler.handleCallback(Handler.java:587)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.os.Handler.dispatchMessage(Handler.java:92)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.os.Looper.loop(Looper.java:130)
03-07 23:50:41.933: E/AndroidRuntime(5553): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-07 23:50:41.933: E/AndroidRuntime(5553): at java.lang.reflect.Method.invokeNative(Native Method)
03-07 23:50:41.933: E/AndroidRuntime(5553): at java.lang.reflect.Method.invoke(Method.java:507)
03-07 23:50:41.933: E/AndroidRuntime(5553): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-07 23:50:41.933: E/AndroidRuntime(5553): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-07 23:50:41.933: E/AndroidRuntime(5553): at dalvik.system.NativeStart.main(Native Method)
03-07 23:51:20.371: D/dalvikvm(5609): GC_EXTERNAL_ALLOC freed 48K, 49% free 2797K/5379K, external 1596K/2108K, paused 97ms
03-07 23:51:20.503: D/dalvikvm(5609): GC_EXTERNAL_ALLOC freed 1K, 49% free 2796K/5379K, external 3471K/4335K, paused 57ms
03-07 23:51:20.792: D/dalvikvm(5609): GC_EXTERNAL_ALLOC freed <1K, 48% free 2798K/5379K, external 5048K/5580K, paused 24ms
03-07 23:51:21.039: D/dalvikvm(5609): GC_EXTERNAL_ALLOC freed <1K, 48% free 2799K/5379K, external 8143K/8403K, paused 65ms
03-07 23:51:26.679: D/AndroidRuntime(5609): Shutting down VM
03-07 23:51:26.679: W/dalvikvm(5609): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-07 23:51:26.714: E/AndroidRuntime(5609): FATAL EXCEPTION: main
03-07 23:51:26.714: E/AndroidRuntime(5609): android.content.ActivityNotFoundException: Unable to find explicit activity class {izzy.n/izzy.n.main1}; have you declared this activity in your AndroidManifest.xml?
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1405)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1379)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.app.Activity.startActivityForResult(Activity.java:2827)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.app.Activity.startActivity(Activity.java:2933)
03-07 23:51:26.714: E/AndroidRuntime(5609): at izzy.n.IzzynActivity$2.onClick(IzzynActivity.java:31)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.view.View.performClick(View.java:2538)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.view.View$PerformClick.run(View.java:9152)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.os.Handler.handleCallback(Handler.java:587)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.os.Handler.dispatchMessage(Handler.java:92)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.os.Looper.loop(Looper.java:130)
03-07 23:51:26.714: E/AndroidRuntime(5609): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-07 23:51:26.714: E/AndroidRuntime(5609): at java.lang.reflect.Method.invokeNative(Native Method)
03-07 23:51:26.714: E/AndroidRuntime(5609): at java.lang.reflect.Method.invoke(Method.java:507)
03-07 23:51:26.714: E/AndroidRuntime(5609): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-07 23:51:26.714: E/AndroidRuntime(5609): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-07 23:51:26.714: E/AndroidRuntime(5609): at dalvik.system.NativeStart.main(Native Method)
03-07 23:59:24.920: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed 51K, 49% free 2797K/5379K, external 1596K/2108K, paused 54ms
03-07 23:59:25.104: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed 1K, 49% free 2796K/5379K, external 3471K/4335K, paused 46ms
03-07 23:59:25.537: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed <1K, 48% free 2798K/5379K, external 5048K/5580K, paused 24ms
03-07 23:59:25.846: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed <1K, 48% free 2799K/5379K, external 8143K/8403K, paused 38ms
03-07 23:59:41.502: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed 10K, 48% free 2828K/5379K, external 11785K/11958K, paused 25ms
03-07 23:59:41.740: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed <1K, 48% free 2829K/5379K, external 13363K/14068K, paused 25ms
03-07 23:59:41.865: D/dalvikvm(5784): GC_EXTERNAL_ALLOC freed <1K, 48% free 2830K/5379K, external 16457K/17091K, paused 20ms
03-07 23:59:42.607: D/AndroidRuntime(5784): Shutting down VM
03-07 23:59:42.607: W/dalvikvm(5784): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-07 23:59:42.783: E/AndroidRuntime(5784): FATAL EXCEPTION: main
03-07 23:59:42.783: E/AndroidRuntime(5784): java.lang.RuntimeException: Unable to start activity ComponentInfo{izzy.n/izzy.n.main1}: java.lang.NullPointerException
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.os.Handler.dispatchMessage(Handler.java:99)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.os.Looper.loop(Looper.java:130)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-07 23:59:42.783: E/AndroidRuntime(5784): at java.lang.reflect.Method.invokeNative(Native Method)
03-07 23:59:42.783: E/AndroidRuntime(5784): at java.lang.reflect.Method.invoke(Method.java:507)
03-07 23:59:42.783: E/AndroidRuntime(5784): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-07 23:59:42.783: E/AndroidRuntime(5784): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-07 23:59:42.783: E/AndroidRuntime(5784): at dalvik.system.NativeStart.main(Native Method)
03-07 23:59:42.783: E/AndroidRuntime(5784): Caused by: java.lang.NullPointerException
03-07 23:59:42.783: E/AndroidRuntime(5784): at izzy.n.main1.populateCalendarSpinner(main1.java:62)
03-07 23:59:42.783: E/AndroidRuntime(5784): at izzy.n.main1.onCreate(main1.java:52)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-07 23:59:42.783: E/AndroidRuntime(5784): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
03-07 23:59:42.783: E/AndroidRuntime(5784): ... 11 more
03-07 23:59:52.850: I/Process(5784): Sending signal. PID: 5784 SIG: 9
03-08 00:11:06.982: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed 46K, 49% free 2797K/5379K, external 1596K/2108K, paused 29ms
03-08 00:11:07.033: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed 1K, 49% free 2796K/5379K, external 3471K/4335K, paused 20ms
03-08 00:11:07.248: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed <1K, 48% free 2798K/5379K, external 5048K/5580K, paused 21ms
03-08 00:11:07.350: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed <1K, 48% free 2799K/5379K, external 8143K/8403K, paused 19ms
03-08 00:11:10.588: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed 9K, 48% free 2828K/5379K, external 11785K/11958K, paused 100ms
03-08 00:11:11.068: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed 1K, 48% free 2829K/5379K, external 13363K/14068K, paused 49ms
03-08 00:11:11.365: D/dalvikvm(6029): GC_EXTERNAL_ALLOC freed <1K, 48% free 2830K/5379K, external 16457K/17091K, paused 47ms
03-08 00:11:11.736: D/AndroidRuntime(6029): Shutting down VM
03-08 00:11:11.736: W/dalvikvm(6029): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-08 00:11:11.752: E/AndroidRuntime(6029): FATAL EXCEPTION: main
03-08 00:11:11.752: E/AndroidRuntime(6029): java.lang.RuntimeException: Unable to start activity ComponentInfo{izzy.n/izzy.n.main1}: java.lang.NullPointerException
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.os.Handler.dispatchMessage(Handler.java:99)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.os.Looper.loop(Looper.java:130)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-08 00:11:11.752: E/AndroidRuntime(6029): at java.lang.reflect.Method.invokeNative(Native Method)
03-08 00:11:11.752: E/AndroidRuntime(6029): at java.lang.reflect.Method.invoke(Method.java:507)
03-08 00:11:11.752: E/AndroidRuntime(6029): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-08 00:11:11.752: E/AndroidRuntime(6029): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-08 00:11:11.752: E/AndroidRuntime(6029): at dalvik.system.NativeStart.main(Native Method)
03-08 00:11:11.752: E/AndroidRuntime(6029): Caused by: java.lang.NullPointerException
03-08 00:11:11.752: E/AndroidRuntime(6029): at izzy.n.main1.populateCalendarSpinner(main1.java:62)
03-08 00:11:11.752: E/AndroidRuntime(6029): at izzy.n.main1.onCreate(main1.java:52)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-08 00:11:11.752: E/AndroidRuntime(6029): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
03-08 00:11:11.752: E/AndroidRuntime(6029): ... 11 more
03-08 00:16:11.924: I/Process(6029): Sending signal. PID: 6029 SIG: 9
03-08 00:16:14.525: D/dalvikvm(6173): GC_EXTERNAL_ALLOC freed 10K, 48% free 2828K/5379K, external 11785K/11958K, paused 20ms
03-08 00:16:14.678: D/dalvikvm(6173): GC_EXTERNAL_ALLOC freed 1K, 48% free 2829K/5379K, external 13363K/14068K, paused 22ms
03-08 00:16:14.779: D/dalvikvm(6173): GC_EXTERNAL_ALLOC freed <1K, 48% free 2829K/5379K, external 16457K/17091K, paused 21ms
03-08 00:16:15.037: D/AndroidRuntime(6173): Shutting down VM
03-08 00:16:15.037: W/dalvikvm(6173): threadid=1: thread exiting with uncaught exception (group=0x40015578)
03-08 00:16:15.037: E/AndroidRuntime(6173): FATAL EXCEPTION: main
03-08 00:16:15.037: E/AndroidRuntime(6173): java.lang.RuntimeException: Unable to start activity ComponentInfo{izzy.n/izzy.n.main1}: java.lang.NullPointerException
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.os.Handler.dispatchMessage(Handler.java:99)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.os.Looper.loop(Looper.java:130)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread.main(ActivityThread.java:3687)
03-08 00:16:15.037: E/AndroidRuntime(6173): at java.lang.reflect.Method.invokeNative(Native Method)
03-08 00:16:15.037: E/AndroidRuntime(6173): at java.lang.reflect.Method.invoke(Method.java:507)
03-08 00:16:15.037: E/AndroidRuntime(6173): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
03-08 00:16:15.037: E/AndroidRuntime(6173): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
03-08 00:16:15.037: E/AndroidRuntime(6173): at dalvik.system.NativeStart.main(Native Method)
03-08 00:16:15.037: E/AndroidRuntime(6173): Caused by: java.lang.NullPointerException
03-08 00:16:15.037: E/AndroidRuntime(6173): at izzy.n.main1.populateCalendarSpinner(main1.java:62)
03-08 00:16:15.037: E/AndroidRuntime(6173): at izzy.n.main1.onCreate(main1.java:52)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-08 00:16:15.037: E/AndroidRuntime(6173): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
03-08 00:16:15.037: E/AndroidRuntime(6173): ... 11 more
以下是 Android Manifest 的代码:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="izzy.n"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="10" />
<uses-permission android:name="android.permission.READ_CALENDAR"></uses-permission>
<uses-permission android:name="android.permission.WRITE_CALENDAR"></uses-permission>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:name="izzy.n.IzzynActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="izzy.n.notes"
android:label="@string/notes"></activity>
<activity
android:name="izzy.n.calculator"
android:label="@string/calculator"></activity>
<activity android:name="izzy.n.main1"
android:label="@string/app_name"></activity>
</application>
</manifest>
最后是 main1.java:
class MyCalendar {
public String name;
public String id;
public MyCalendar(String _name, String _id) {
name = _name;
id = _id;
}
@Override
public String toString() {
return name;
}
}
public class main1 extends Activity {
/*********************************************************************
* UI part*/
private Spinner m_spinner_calender;
private Button m_button_add;
private Button m_button_add2;
private Button m_button_getEvents;
private TextView m_text_event;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/*get calendar list and populate the view*/
getCalendars();
populateCalendarSpinner();
populateAddBtn();
populateAddBtn2();
populateTextEvent();
populateGetEventsBtn();
}
private void populateCalendarSpinner() {
m_spinner_calender = (Spinner)this.findViewById(R.id.spinner_calendar);
ArrayAdapter l_arrayAdapter = new ArrayAdapter(this.getApplicationContext(), android.R.layout.simple_spinner_item, m_calendars);
l_arrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
m_spinner_calender.setAdapter(l_arrayAdapter);
m_spinner_calender.setSelection(0);
m_spinner_calender.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> p_parent, View p_view,
int p_pos, long p_id) {
m_selectedCalendarId = m_calendars[(int)p_id].id;
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {}
});
}
private void populateAddBtn() {
m_button_add = (Button) this.findViewById(R.id.button_add);
m_button_add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addEvent();
}
});
}
private void populateAddBtn2() {
m_button_add2 = (Button) this.findViewById(R.id.button_add2);
m_button_add2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
addEvent2();
}
});
}
private void populateGetEventsBtn() {
m_button_getEvents = (Button) findViewById(R.id.button_get_events);
m_button_getEvents.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getLastThreeEvents();
}
});
}
private void populateTextEvent() {
m_text_event = (TextView) findViewById(R.id.text_event);
String l_str = "title: roman10 calendar tutorial test\n" +
"description: This is a simple test for calendar api\n" +
"eventLocation: @home\n" +
"start time:" + getDateTimeStr(0) + "\n" +
"end time: " + getDateTimeStr(30) + "\n" +
"event status: confirmed\n" +
"all day: no\n" +
"has alarm: yes\n";
m_text_event.setText(l_str);
}
/****************************************************************
* Data part
*/
/*retrieve a list of available calendars*/
private MyCalendar m_calendars[];
private String m_selectedCalendarId = "0";
private void getCalendars() {
String[] l_projection = new String[]{"_id", "displayName"};
Uri l_calendars;
if (Build.VERSION.SDK_INT >= 8) {
l_calendars = Uri.parse("content://com.android.calendar/calendars");
} else {
l_calendars = Uri.parse("content://calendar/calendars");
}
Cursor l_managedCursor = this.managedQuery(l_calendars, l_projection, null, null, null); //all calendars
//Cursor l_managedCursor = this.managedQuery(l_calendars, l_projection, "selected=1", null, null); //active calendars
if (l_managedCursor.moveToFirst()) {
m_calendars = new MyCalendar[l_managedCursor.getCount()];
String l_calName;
String l_calId;
int l_cnt = 0;
int l_nameCol = l_managedCursor.getColumnIndex(l_projection[1]);
int l_idCol = l_managedCursor.getColumnIndex(l_projection[0]);
do {
l_calName = l_managedCursor.getString(l_nameCol);
l_calId = l_managedCursor.getString(l_idCol);
m_calendars[l_cnt] = new MyCalendar(l_calName, l_calId);
++l_cnt;
} while (l_managedCursor.moveToNext());
}
}
/*add an event to calendar*/
private void addEvent() {
ContentValues l_event = new ContentValues();
l_event.put("calendar_id", m_selectedCalendarId);
l_event.put("title", "roman10 calendar tutorial test");
l_event.put("description", "This is a simple test for calendar api");
l_event.put("eventLocation", "@home");
l_event.put("dtstart", System.currentTimeMillis());
l_event.put("dtend", System.currentTimeMillis() + 1800*1000);
l_event.put("allDay", 0);
//status: 0~ tentative; 1~ confirmed; 2~ canceled
l_event.put("eventStatus", 1);
//0~ default; 1~ confidential; 2~ private; 3~ public
l_event.put("visibility", 0);
//0~ opaque, no timing conflict is allowed; 1~ transparency, allow overlap of scheduling
l_event.put("transparency", 0);
//0~ false; 1~ true
l_event.put("hasAlarm", 1);
Uri l_eventUri;
if (Build.VERSION.SDK_INT >= 8) {
l_eventUri = Uri.parse("content://com.android.calendar/events");
} else {
l_eventUri = Uri.parse("content://calendar/events");
}
Uri l_uri = this.getContentResolver().insert(l_eventUri, l_event);
Log.v("++++++test", l_uri.toString());
}
/*add an event through intent, this doesn't require any permission
* just send intent to android calendar
* http://www.openintents.org/en/uris*/
private void addEvent2() {
Intent l_intent = new Intent(Intent.ACTION_EDIT);
l_intent.setType("vnd.android.cursor.item/event");
//l_intent.putExtra("calendar_id", m_selectedCalendarId); //this doesn't work
l_intent.putExtra("title", "roman10 calendar tutorial test");
l_intent.putExtra("description", "This is a simple test for calendar api");
l_intent.putExtra("eventLocation", "@home");
l_intent.putExtra("beginTime", System.currentTimeMillis());
l_intent.putExtra("endTime", System.currentTimeMillis() + 1800*1000);
l_intent.putExtra("allDay", 0);
//status: 0~ tentative; 1~ confirmed; 2~ canceled
l_intent.putExtra("eventStatus", 1);
//0~ default; 1~ confidential; 2~ private; 3~ public
l_intent.putExtra("visibility", 0);
//0~ opaque, no timing conflict is allowed; 1~ transparency, allow overlap of scheduling
l_intent.putExtra("transparency", 0);
//0~ false; 1~ true
l_intent.putExtra("hasAlarm", 1);
try {
startActivity(l_intent);
} catch (Exception e) {
Toast.makeText(this.getApplicationContext(), "Sorry, no compatible calendar is found!", Toast.LENGTH_LONG).show();
}
}
/*get a list of events
* http://jimblackler.net/blog/?p=151*/
private void getLastThreeEvents() {
Uri l_eventUri;
if (Build.VERSION.SDK_INT >= 8) {
l_eventUri = Uri.parse("content://com.android.calendar/events");
} else {
l_eventUri = Uri.parse("content://calendar/events");
}
String[] l_projection = new String[]{"title", "dtstart", "dtend"};
Cursor l_managedCursor = this.managedQuery(l_eventUri, l_projection, "calendar_id=" + m_selectedCalendarId, null, "dtstart DESC, dtend DESC");
//Cursor l_managedCursor = this.managedQuery(l_eventUri, l_projection, null, null, null);
if (l_managedCursor.moveToFirst()) {
int l_cnt = 0;
String l_title;
String l_begin;
String l_end;
StringBuilder l_displayText = new StringBuilder();
int l_colTitle = l_managedCursor.getColumnIndex(l_projection[0]);
int l_colBegin = l_managedCursor.getColumnIndex(l_projection[1]);
int l_colEnd = l_managedCursor.getColumnIndex(l_projection[1]);
do {
l_title = l_managedCursor.getString(l_colTitle);
l_begin = getDateTimeStr(l_managedCursor.getString(l_colBegin));
l_end = getDateTimeStr(l_managedCursor.getString(l_colEnd));
l_displayText.append(l_title + "\n" + l_begin + "\n" + l_end + "\n----------------\n");
++l_cnt;
} while (l_managedCursor.moveToNext() && l_cnt < 3);
m_text_event.setText(l_displayText.toString());
}
}
/************************************************
* utility part
*/
private static final String DATE_TIME_FORMAT = "yyyy MMM dd, HH:mm:ss";
public static String getDateTimeStr(int p_delay_min) {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT);
if (p_delay_min == 0) {
return sdf.format(cal.getTime());
} else {
Date l_time = cal.getTime();
l_time.setMinutes(l_time.getMinutes() + p_delay_min);
return sdf.format(l_time);
}
}
public static String getDateTimeStr(String p_time_in_millis) {
SimpleDateFormat sdf = new SimpleDateFormat(DATE_TIME_FORMAT);
Date l_time = new Date(Long.parseLong(p_time_in_millis));
return sdf.format(l_time);
}
}
最佳答案
解决这个问题:
03-07 23:50:41.933: E/AndroidRuntime(5553): android.content.ActivityNotFoundException: Unable to find explicit activity class {izzy.n/izzy.n.main1}; have you declared this activity in your AndroidManifest.xml?
还有
指出它提示的是哪一行。
关于java - 我运行应用程序时强制关闭？无法开始 Activity ，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/9613162/