Re: [android-developers] Click event on Edit-Text's Right Drawable.

I wrote something wrong int AndroidManifest.xml ,so that the
exception occured .

2011/4/24 Hyvi <tanhaiwei0222@gmail.com>:
> I want to test .. but failure ..
> Java code
>>
>> public void onCreate(Bundle savedInstanceState)
>>      {
>>           super.onCreate(savedInstanceState);
>>          setContentView(new CustomEditTextActivity(this));
>>       }
>
> error ouput :
> E/AndroidRuntime(  296): java.lang.RuntimeException: Unable to instantiate
> activity
> ComponentInfo{com.gliese.android/com.gliese.android.CustomEditTextActivity}:
> java.lang.InstantiationException: com.gliese.android.CustomEditTextActivity
> E/AndroidRuntime(  296): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2585)
> E/AndroidRuntime(  296): at
> android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
> E/AndroidRuntime(  296): at
> android.app.ActivityThread.access$2300(ActivityThread.java:125)
> E/AndroidRuntime(  296): at
> android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
> E/AndroidRuntime(  296): at
> android.os.Handler.dispatchMessage(Handler.java:99)
> E/AndroidRuntime(  296): at android.os.Looper.loop(Looper.java:123)
> E/AndroidRuntime(  296): at
> android.app.ActivityThread.main(ActivityThread.java:4627)
> E/AndroidRuntime(  296): at java.lang.reflect.Method.invokeNative(Native
> Method)
> E/AndroidRuntime(  296): at java.lang.reflect.Method.invoke(Method.java:521)
> E/AndroidRuntime(  296): at
> com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
> E/AndroidRuntime(  296): at
> com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
> E/AndroidRuntime(  296): at dalvik.system.NativeStart.main(Native Method)
> E/AndroidRuntime(  296): Caused by: java.lang.InstantiationException:
> com.gliese.android.CustomEditTextActivity
> E/AndroidRuntime(  296): at java.lang.Class.newInstanceImpl(Native Method)
> E/AndroidRuntime(  296): at java.lang.Class.newInstance(Class.java:1429)
> E/AndroidRuntime(  296): at
> android.app.Instrumentation.newActivity(Instrumentation.java:1021)
> E/AndroidRuntime(  296): at
> android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2577)
> E/AndroidRuntime(  296): ... 11 more
>  Caused by: java.lang.InstantiationException:
> com.gliese.android.CustomEditTextActivity ..
> can  anyone help me ?
> 2011/4/23 Sunil Lakhiyani <slakhiyaniandroid@gmail.com>
>>
>> Hello Developers,
>> I have one Edit Text with right drawable.
>> The xml code is
>> <TextView android:id="@+id/trip_txt_to"
>> android:layout_width="wrap_content" android:layout_height="wrap_content"
>> android:text="@string/addname" android:layout_alignParentLeft="true"
>> android:textStyle="bold" android:textColor="@color/black"
>> android:typeface="normal" android:padding="10dp"
>> android:layout_below="@+id/lineview1" />
>> <test.ui.CustomEditTextActivity
>> android:id="@+id/nameofpersonr" android:layout_height="wrap_content"
>> android:hint="@string/hint"
>> android:layout_toRightOf="@+id/name" android:textColor="@color/black"
>> android:typeface="normal"
>> android:layout_below="@+id/lineview1"
>> android:drawableRight="@drawable/icon"
>>                                 android:layout_width="180dp">
>> </test.ui.CustomEditTextActivity
>> <ImageView android:id="@+id/clearnameimage"
>> android:layout_alignParentRight="true" android:layout_width="wrap_content"
>> android:layout_height="wrap_content" android:scaleType="fitXY"
>> android:layout_below="@+id/lineview1"
>> android:src="@drawable/deleteicon" android:padding="5dp"/>
>>
>> and CustomEditTextActivity.java
>> public class CustomEditTextActivity extends EditText {
>> private Drawable rightSideDrawable;
>> private Rect rectangleBounds;
>> public CustomEditTextActivity(Context context, AttributeSet attributeSet,
>> int defStyle) {
>> super(context, attributeSet, defStyle);
>> }
>> public CustomEditTextActivity(Context context, AttributeSet attributeSet)
>> {
>> super(context, attributeSet);
>> }
>> public CustomEditTextActivity(Context context) {
>> super(context);
>> }
>> @Override
>> public void setCompoundDrawables(Drawable left, Drawable top,
>> Drawable right, Drawable bottom) {
>> if (right != null) {
>> rightSideDrawable = right;
>> }
>> super.setCompoundDrawables(left, top, right, bottom);
>> }
>> @Override
>> protected void finalize() throws Throwable {
>> rightSideDrawable = null;
>> rectangleBounds = null;
>> super.finalize();
>> }
>> public Rect getRectBound() {
>> return rectangleBounds;
>> }
>> public Drawable getRightDrawable() {
>> return rightSideDrawable;
>> }
>>          // on touch event code i got from some site..
>> @Override
>>     public boolean onTouchEvent(MotionEvent event)
>>     {
>>         if(event.getAction() == MotionEvent.ACTION_UP &&
>> rightSideDrawable!=null)
>>         {
>>          rectangleBounds = rightSideDrawable.getBounds();
>>             final int x = (int)event.getX();
>>             final int y = (int)event.getY();
>>
>>             if(x>=(this.getRight()-rectangleBounds.width()) &&
>> x<=(this.getRight()-this.getPaddingRight())
>>                     && y>=this.getPaddingTop() &&
>> y<=(this.getHeight()-this.getPaddingBottom()))
>>             {
>>                 this.setText("");
>>                 event.setAction(MotionEvent.ACTION_CANCEL);//use this to
>> prevent the keyboard from coming up
>>             }
>>         }
>>         return super.onTouchEvent(event);
>>     }
>> }
>> Now problem is,
>> when i open the activity, it shows me keyboard and i can right in edit
>> text, but as soon as i touch to edit text it launches another activity, i
>> called it "InfoActivity.java". But InfoActivity.java is supposed to be
>> launched if I click on drawable not on edit text.
>> Can you please help me to get click event or touch event on right hand
>> side drawable, instead of edit text? or is there any other alternative way?
>> Also, because of this i can not use this line for keyboard..
>>
>> this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
>>
>> Can anyone help me in that? I have made lots of changes in ontouch event
>> written above but fail.
>> So please help me in that. I really appreciate it. Thank you in advance.
>>
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