- android application wont start
- public class SavingsGuiderMenuActivity extends SavingsActivity {
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.menu);
- ListView menuList = (ListView) findViewById(R.id.ListView_Menu);
- String[] items = { getResources().getString(R.string.start),
- getResources().getString(R.string.about),
- getResources().getString(R.string.help) };
- ArrayAdapter<String> adapt = new ArrayAdapter<String>(this, R.layout.menu_item, items);
- menuList.setAdapter(adapt);
- menuList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
- public void onItemClick(AdapterView<?> parent, View itemClicked, int position, long id) {
- // Note: if the list was built "by hand" the id could be used.
- // As-is, though, each item has the same id
- TextView textView = (TextView) itemClicked;
- String strText = textView.getText().toString();
- if (strText.equalsIgnoreCase(getResources().getString(R.string.start))) {
- // Launch the app Activity
- startActivity(new Intent(SavingsGuiderMenuActivity.this, SavingsGuiderAppActivity.class));
- } else if (strText.equalsIgnoreCase(getResources().getString(R.string.help))) {
- // Launch the Help Activity
- startActivity(new Intent(SavingsGuiderMenuActivity.this, SavingsGuiderHelpActivity.class));
- } else if (strText.equalsIgnoreCase(getResources().getString(R.string.about))) {
- // Launch the about Activity
- startActivity(new Intent(SavingsGuiderMenuActivity.this, SavingsGuiderAboutActivity.class));
- }
- }
- });
- }
- <application
- android:label="@string/splash"
- android:debuggable="true"
- android:icon="@drawable/saving">
- <activity
- android:name=".SavingsGuiderMenuActivity"
- android:label="@string/splash">
- <intent-filter>
- <action
- android:name="android.intent.action.MAIN" />
- <category
- android:name="android.intent.category.LAUNCHER" />
- </intent-filter>
- </activity>
- 07-22 03:18:24.712: E/ArrayAdapter(806): You must supply a resource ID for a TextView
- 07-22 03:18:24.772: E/AndroidRuntime(806): FATAL EXCEPTION: main
- 07-22 03:18:24.772: E/AndroidRuntime(806): java.lang.IllegalStateException: ArrayAdapter requires the resource ID to be a TextView
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:386)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.ArrayAdapter.getView(ArrayAdapter.java:362)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.AbsListView.obtainView(AbsListView.java:2033)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.ListView.measureHeightOfChildren(ListView.java:1244)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.ListView.onMeasure(ListView.java:1155)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.RelativeLayout.measureChild(RelativeLayout.java:579)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:392)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4671)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1369)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.LinearLayout.measureVertical(LinearLayout.java:660)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4671)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.LinearLayout.measureVertical(LinearLayout.java:812)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4671)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2062)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.View.measure(View.java:12581)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1038)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2382)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.os.Handler.dispatchMessage(Handler.java:99)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.os.Looper.loop(Looper.java:137)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.app.ActivityThread.main(ActivityThread.java:4340)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at java.lang.reflect.Method.invokeNative(Native Method)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at java.lang.reflect.Method.invoke(Method.java:511)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
- 07-22 03:18:24.772: E/AndroidRuntime(806): at dalvik.system.NativeStart.main(Native Method)
- 07-22 03:18:24.772: E/AndroidRuntime(806): Caused by: java.lang.ClassCastException: android.widget.LinearLayout cannot be cast to android.widget.TextView
- 07-22 03:18:24.772: E/AndroidRuntime(806): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:379)
- 07-22 03:18:24.772: E/AndroidRuntime(806): ... 33 more
- String classes[] = {"class_a","class_b","class_c"};
- String class = classes[position]; Class ourClass=Class.forName("package_name"+class);
- Intent intent = new Intent(Menu.this,ourClass);
- startActivity(intent);
- <application
- android:label="@string/splash"
- android:debuggable="true"
- android:icon="@drawable/saving">
- <activity
- android:name=".SavingsGuiderMenuActivity"
- android:label="@string/splash">
- <intent-filter>
- <action
- android:name="android.intent.action.MAIN" />
- <category
- android:name="android.intent.category.LAUNCHER" />
- </intent-filter>
- </activity>
- <activity
- android:name=".SavingsGuiderAppActivity"
- android:label="@string/splash">
- <intent-filter>
- <action
- android:name="ACTIVITY_A" />
- <category
- android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>
- <activity
- android:name=".SavingsGuiderHelpActivity"
- android:label="@string/splash">
- <intent-filter>
- <action
- android:name="ACTIVITY_B" />
- <category
- android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>
- <activity
- android:name=".SavingsGuiderAboutActivity"
- android:label="@string/splash">
- <intent-filter>
- <action
- android:name="ACTIVITY_C" />
- <category
- android:name="android.intent.category.DEFAULT" />
- </intent-filter>
- </activity>