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  1. POAndroid: Very basic problem with intents
    text
    copied!<p>I'm having a simple problem with starting an intent on the click of a button. Unfortunately, i can't find a way out of this problem. </p> <p>MY first activity java file is : </p> <pre><code>package com.android.SamsungMIv3; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; public class SamsungMIv3Activity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button b = (Button)findViewById(R.id.button1); b.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent i = new Intent(SamsungMIv3Activity.this, currentlocation.class); SamsungMIv3Activity.this.startActivity(i); } }); } } </code></pre> <p>main.xml</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="80dp" android:padding="10dp" &gt; &lt;Button android:text="MY LOCATION" android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;/Button&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="40dp" android:padding="10dp" &gt; &lt;TextView android:textAppearance="?android:attr/textAppearanceMedium" android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="ENTER TEXT" android:id="@+id/textView2"&gt; &lt;/TextView&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="150dp" android:padding="10dp" &gt; &lt;ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;EditText android:layout_height="wrap_content" android:layout_width="fill_parent" android:id="@+id/editText1" android:inputType="textMultiLine"&gt; &lt;requestFocus&gt;&lt;/requestFocus&gt; &lt;/EditText&gt; &lt;/ScrollView&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="60dp" android:padding="10dp" &gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="150dp" android:layout_height="fill_parent" android:paddingRight="20dp" &gt; &lt;Button android:text="Camera" android:id="@+id/button2" android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;/Button&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="150dp" android:layout_height="fill_parent" &gt; &lt;Button android:text="Search Location" android:id="@+id/button3" android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;/Button&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="60dp" android:padding="10dp" &gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="150dp" android:layout_height="fill_parent" android:paddingRight="20dp" &gt; &lt;Button android:text="Facebook" android:id="@+id/button4" android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;/Button&gt; &lt;/LinearLayout&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="150dp" android:layout_height="fill_parent" android:paddingRight="20dp" &gt; &lt;Button android:text="Twitter" android:id="@+id/button5" android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;/Button&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p>Second activity java file :</p> <pre><code>package com.android.SamsungMIv3; import android.os.Bundle; import android.widget.TextView; import com.google.android.maps.MapActivity; public class currentlocation extends MapActivity { @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.currentlocation); // TextView t = new TextView(this); //t.setText("New Activity started"); } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } } </code></pre> <p>second activity xml file :</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"&gt; &lt;TextView android:textAppearance="?android:attr/textAppearanceLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="This works" android:id="@+id/textView1"&gt;&lt;/TextView&gt; &lt;/LinearLayout&gt; </code></pre> <p>manifest file :</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.android.SamsungMIv3" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-sdk android:minSdkVersion="7" /&gt; &lt;application android:icon="@drawable/icon" android:label="@string/app_name"&gt; &lt;activity android:name=".SamsungMIv3Activity" android:label="@string/app_name"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name=".currentlocation"&gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>Log Cat :</p> <pre><code> 07-09 14:26:31.352: DEBUG/AndroidRuntime(821): &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; AndroidRuntime START &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; 07-09 14:26:31.362: DEBUG/AndroidRuntime(821): CheckJNI is ON 07-09 14:26:31.932: DEBUG/AndroidRuntime(821): --- registering native functions --- 07-09 14:26:32.852: DEBUG/ddm-heap(821): Got feature list request 07-09 14:26:33.912: DEBUG/PackageParser(58): Scanning package: /data/app/vmdl72937.tmp 07-09 14:26:33.942: WARN/PackageParser(58): No actions in intent filter at /data/app/vmdl72937.tmp Binary XML file line #20 07-09 14:26:34.202: INFO/PackageManager(58): Removing non-system package:com.android.SamsungMIv3 07-09 14:26:34.202: DEBUG/PackageManager(58): Removing package com.android.SamsungMIv3 07-09 14:26:34.222: DEBUG/PackageManager(58): Activities: com.android.SamsungMIv3.SamsungMIv3Activity com.android.SamsungMIv3.currentlocation 07-09 14:26:34.402: DEBUG/PackageManager(58): Scanning package com.android.SamsungMIv3 07-09 14:26:34.422: INFO/PackageManager(58): /data/app/vmdl72937.tmp changed; unpacking 07-09 14:26:34.452: DEBUG/installd(31): DexInv: --- BEGIN '/data/app/vmdl72937.tmp' --- 07-09 14:26:35.012: DEBUG/dalvikvm(827): DexOpt: load 91ms, verify 109ms, opt 8ms 07-09 14:26:35.062: DEBUG/installd(31): DexInv: --- END '/data/app/vmdl72937.tmp' (success) --- 07-09 14:26:35.072: DEBUG/PackageManager(58): Activities: com.android.SamsungMIv3.SamsungMIv3Activity com.android.SamsungMIv3.currentlocation 07-09 14:26:35.083: DEBUG/ActivityManager(58): Uninstalling process com.android.SamsungMIv3 07-09 14:26:35.332: INFO/installd(31): move /data/dalvik-cache/data@app@vmdl72937.tmp@classes.dex -&gt; /data/dalvik-cache/data@app@com.android.SamsungMIv3.apk@classes.dex 07-09 14:26:35.358: DEBUG/PackageManager(58): New package installed in /data/app/com.android.SamsungMIv3.apk 07-09 14:26:35.562: DEBUG/AndroidRuntime(821): Shutting down VM 07-09 14:26:35.582: DEBUG/dalvikvm(821): DestroyJavaVM waiting for non-daemon threads to exit 07-09 14:26:35.605: DEBUG/dalvikvm(821): DestroyJavaVM shutting VM down 07-09 14:26:35.605: DEBUG/dalvikvm(821): HeapWorker thread shutting down 07-09 14:26:35.622: DEBUG/dalvikvm(821): HeapWorker thread has shut down 07-09 14:26:35.642: DEBUG/jdwp(821): JDWP shutting down net... 07-09 14:26:35.642: INFO/dalvikvm(821): Debugger has detached; object registry had 1 entries 07-09 14:26:35.662: DEBUG/dalvikvm(821): VM cleaning up 07-09 14:26:35.673: ERROR/AndroidRuntime(821): ERROR: thread attach failed 07-09 14:26:35.732: DEBUG/ActivityManager(58): Uninstalling process com.android.SamsungMIv3 07-09 14:26:35.842: DEBUG/dalvikvm(821): LinearAlloc 0x0 used 623012 of 5242880 (11%) 07-09 14:26:36.272: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f0700e5 07-09 14:26:36.286: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f020031 07-09 14:26:36.293: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f020030 07-09 14:26:36.302: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f050000 07-09 14:26:36.432: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f060001 07-09 14:26:36.602: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f060000 07-09 14:26:36.922: DEBUG/dalvikvm(105): GC freed 44 objects / 1752 bytes in 693ms 07-09 14:26:37.482: DEBUG/dalvikvm(58): GC freed 19390 objects / 1061480 bytes in 676ms 07-09 14:26:38.292: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f0700e5 07-09 14:26:38.312: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f020031 07-09 14:26:38.312: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f020030 07-09 14:26:38.322: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f050000 07-09 14:26:38.552: INFO/ActivityManager(58): Start proc com.svox.pico for broadcast com.svox.pico/.VoiceDataInstallerReceiver: pid=833 uid=10019 gids={} 07-09 14:26:39.573: DEBUG/dalvikvm(58): GC freed 3548 objects / 181408 bytes in 1007ms 07-09 14:26:39.662: DEBUG/AndroidRuntime(832): &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt; AndroidRuntime START &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; 07-09 14:26:39.712: DEBUG/AndroidRuntime(832): CheckJNI is ON 07-09 14:26:39.792: DEBUG/ddm-heap(833): Got feature list request 07-09 14:26:40.354: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f060001 07-09 14:26:40.722: WARN/ResourceType(58): Resources don't contain package for resource number 0x7f060000 07-09 14:26:41.133: DEBUG/AndroidRuntime(832): --- registering native functions --- 07-09 14:26:44.233: INFO/ActivityManager(58): Starting activity: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10000000 cmp=com.android.SamsungMIv3/.SamsungMIv3Activity } 07-09 14:26:44.372: DEBUG/AndroidRuntime(832): Shutting down VM 07-09 14:26:44.372: DEBUG/dalvikvm(832): DestroyJavaVM waiting for non-daemon threads to exit 07-09 14:26:44.393: DEBUG/dalvikvm(832): DestroyJavaVM shutting VM down 07-09 14:26:44.412: DEBUG/dalvikvm(832): HeapWorker thread shutting down 07-09 14:26:44.412: DEBUG/dalvikvm(832): HeapWorker thread has shut down 07-09 14:26:44.412: DEBUG/jdwp(832): JDWP shutting down net... 07-09 14:26:44.412: INFO/dalvikvm(832): Debugger has detached; object registry had 1 entries 07-09 14:26:44.432: DEBUG/dalvikvm(832): VM cleaning up 07-09 14:26:44.492: ERROR/AndroidRuntime(832): ERROR: thread attach failed 07-09 14:26:44.842: DEBUG/dalvikvm(832): LinearAlloc 0x0 used 637524 of 5242880 (12%) 07-09 14:26:45.762: DEBUG/ddm-heap(845): Got feature list request 07-09 14:26:45.963: INFO/ActivityManager(58): Start proc com.android.SamsungMIv3 for activity com.android.SamsungMIv3/.SamsungMIv3Activity: pid=845 uid=10032 gids={} 07-09 14:26:47.083: WARN/dalvikvm(845): Unable to resolve superclass of Lcom/android/SamsungMIv3/currentlocation; (17) 07-09 14:26:47.092: WARN/dalvikvm(845): Link of class 'Lcom/android/SamsungMIv3/currentlocation;' failed 07-09 14:26:47.102: ERROR/dalvikvm(845): Could not find class 'com.android.SamsungMIv3.currentlocation', referenced from method com.android.SamsungMIv3.SamsungMIv3Activity$1.onClick 07-09 14:26:47.112: WARN/dalvikvm(845): VFY: unable to resolve const-class 16 (Lcom/android/SamsungMIv3/currentlocation;) in Lcom/android/SamsungMIv3/SamsungMIv3Activity$1; 07-09 14:26:47.112: DEBUG/dalvikvm(845): VFY: replacing opcode 0x1c at 0x0004 07-09 14:26:47.112: DEBUG/dalvikvm(845): Making a copy of Lcom/android/SamsungMIv3/SamsungMIv3Activity$1;.onClick code (48 bytes) 07-09 14:26:47.752: INFO/ActivityManager(58): Displayed activity com.android.SamsungMIv3/.SamsungMIv3Activity: 3402 ms (total 3402 ms) 07-09 14:26:48.102: ERROR/gralloc(58): [unregister] handle 0x4a92b8 still locked (state=40000001) 07-09 14:26:51.414: DEBUG/AndroidRuntime(845): Shutting down VM 07-09 14:26:51.422: WARN/dalvikvm(845): threadid=3: thread exiting with uncaught exception (group=0x4001b188) 07-09 14:26:51.432: ERROR/AndroidRuntime(845): Uncaught handler: thread main exiting due to uncaught exception 07-09 14:26:51.472: ERROR/AndroidRuntime(845): java.lang.NoClassDefFoundError: com.android.SamsungMIv3.currentlocation 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.SamsungMIv3.SamsungMIv3Activity$1.onClick(SamsungMIv3Activity.java:21) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.View.performClick(View.java:2364) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.View.onTouchEvent(View.java:4179) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.widget.TextView.onTouchEvent(TextView.java:6540) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.View.dispatchTouchEvent(View.java:3709) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1643) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.view.ViewRoot.handleMessage(ViewRoot.java:1691) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.os.Handler.dispatchMessage(Handler.java:99) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.os.Looper.loop(Looper.java:123) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at android.app.ActivityThread.main(ActivityThread.java:4363) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at java.lang.reflect.Method.invokeNative(Native Method) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at java.lang.reflect.Method.invoke(Method.java:521) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 07-09 14:26:51.472: ERROR/AndroidRuntime(845): at dalvik.system.NativeStart.main(Native Method) 07-09 14:26:51.542: INFO/Process(58): Sending signal. PID: 845 SIG: 3 07-09 14:26:51.553: INFO/dalvikvm(845): threadid=7: reacting to signal 3 07-09 14:26:51.602: INFO/dalvikvm(845): Wrote stack trace to '/data/anr/traces.txt' 07-09 14:26:53.502: DEBUG/dalvikvm(105): GC freed 2414 objects / 140960 bytes in 312ms 07-09 14:26:57.862: INFO/Process(845): Sending signal. PID: 845 SIG: 9 07-09 14:26:58.053: INFO/ActivityManager(58): Process com.android.SamsungMIv3 (pid 845) has died. 07-09 14:26:58.073: INFO/WindowManager(58): WIN DEATH: Window{44d6f5c0 com.android.SamsungMIv3/com.android.SamsungMIv3.SamsungMIv3Activity paused=false} 07-09 14:26:58.292: INFO/UsageStats(58): Unexpected resume of com.android.launcher while already resumed in com.android.SamsungMIv3 07-09 14:26:58.532: WARN/InputManagerService(58): Got RemoteException sending setActive(false) notification to pid 845 uid 10032 </code></pre> <p>I understand that the loc cat points to an error at the line</p> <pre><code>Intent i = new Intent(...); </code></pre> <p>But I'm not able to find a way to resolve this problem</p>
 

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