Android 如何解决;未找到处理意图的活动“;错误
我只想从一个活动转到另一个活动,但它给了我这个错误 我的主要活动代码如下Android 如何解决;未找到处理意图的活动“;错误,android,eclipse,Android,Eclipse,我只想从一个活动转到另一个活动,但它给了我这个错误 我的主要活动代码如下 android.content.ActivityNotFoundException: No Activity found to handle Intent { act=com.android.suven.Create_memo } 我的日志是这样的: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedIn
android.content.ActivityNotFoundException: No Activity found to handle Intent { act=com.android.suven.Create_memo }
我的日志是这样的:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn1 = (Button)findViewById(R.id.button1);
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v)
{
try
{
Intent i=new Intent("com.android.suven.Create_memo");
startActivity(i);
}
catch ( ActivityNotFoundException e) {
e.printStackTrace();
}
}
});
btn2 = (Button)findViewById(R.id.button2);
btn2.setOnClickListener(new View.OnClickListener() {
public void onClick(View v)
{
try
{
Intent i=new Intent("com.android.suven.Create_memo");
startActivity(i);
}
catch ( ActivityNotFoundException e) {
e.printStackTrace();
}
});
}
}
您是否在清单文件中声明了“创建备忘录”活动?比如:
06-05 13:43:35.959: E/AndroidRuntime(275): FATAL EXCEPTION: main
06-05 13:43:35.959: E/AndroidRuntime(275): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.suven/com.android.suven.Create_memo}: java.lang.NullPointerException
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.os.Handler.dispatchMessage(Handler.java:99)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.os.Looper.loop(Looper.java:123)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread.main(ActivityThread.java:4627)
06-05 13:43:35.959: E/AndroidRuntime(275): at java.lang.reflect.Method.invokeNative(Native Method)
06-05 13:43:35.959: E/AndroidRuntime(275): at java.lang.reflect.Method.invoke(Method.java:521)
06-05 13:43:35.959: E/AndroidRuntime(275): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
06-05 13:43:35.959: E/AndroidRuntime(275): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
06-05 13:43:35.959: E/AndroidRuntime(275): at dalvik.system.NativeStart.main(Native Method)
06-05 13:43:35.959: E/AndroidRuntime(275): Caused by: java.lang.NullPointerException
06-05 13:43:35.959: E/AndroidRuntime(275): at com.android.suven.Create_memo.onCreate(Create_memo.java:56)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
06-05 13:43:35.959: E/AndroidRuntime(275): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
06-05 13:43:35.959: E/AndroidRuntime(275): ... 11 more
06-05 13:43:39.199: I/Process(275): Sending signal. PID: 275 SIG: 9
在您的代码行中
<activity
android:name="com.android.suven.Create_memo" />
“com.android.suven.Create\u memo”作为操作
相反,你必须把
Intent i=new Intent("com.android.suven.Create_memo");
也放
Intent i=new Intent(YourCurrentAivityName.this, Create_memo.class);
在您的AndroidManifest.xml文件中。这是NextActivity.java
<activity
android:name=".Create_memo" >
</activity>
创建新活动后,我们必须将其注册到文件“AndroidManifest.xml”中。
为了注册,我们必须在“AndroidManifest.xml”中创建一个条目,如下所示
public class NextActivity extends Activity {
//Your member variable declaration here
// Called when the activity is first created.
@Override
public void onCreate(Bundle savedInstanceState) {
//Your code here
}
}
****
您是否在AndroidManifest.xml
中添加了活动?您好@shubh您应该在AdroidManifest.xml文件中添加活动名称以及您的PackageDecellation或Not Decellation。是的,我在menifest bt中添加了我的活动,但它仍然给出了一个错误。。我已经尝试了intent bt的所有语法,但每次都出现相同的错误
**<activity android:name=".NextActivity" android:label="@string/app_name"/>**