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Merge "Add a dynamically-revealed view to the drag demo" into honeycomb

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This commit is contained in:
Christopher Tate
2011-01-14 12:36:49 -08:00
committed by Android (Google) Code Review
parent c3035696a2 cbbfda2bd0
commit 560094efef
2 changed files with 32 additions and 3 deletions
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12
samples/ApiDemos/res/layout/drag_layout.xml
View File

@@ -62,6 +62,18 @@
dot:anr="drop" dot:anr="drop"
/> />
<com.example.android.apis.view.DraggableDot
android:id="@+id/drag_dot_hidden"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
dot:radius="64dp"
android:padding="15dp"
android:layout_toRightOf="@id/drag_dot_3"
android:layout_alignTop="@id/drag_dot_3"
android:visibility="invisible"
dot:legend="Surprise!"
/>
<TextView android:id="@+id/drag_result_text" <TextView android:id="@+id/drag_result_text"
android:layout_width="fill_parent" android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_height="wrap_content"

23
samples/ApiDemos/src/com/example/android/apis/view/DragAndDropDemo.java
View File

@@ -26,6 +26,7 @@ import android.widget.TextView;
public class DragAndDropDemo extends Activity { public class DragAndDropDemo extends Activity {
TextView mResultText; TextView mResultText;
DraggableDot mHiddenDot;
@Override @Override
protected void onCreate(Bundle savedInstanceState) { protected void onCreate(Bundle savedInstanceState) {
@@ -40,14 +41,30 @@ public class DragAndDropDemo extends Activity {
dot = (DraggableDot) findViewById(R.id.drag_dot_3); dot = (DraggableDot) findViewById(R.id.drag_dot_3);
dot.setReportView(text); dot.setReportView(text);
mHiddenDot = (DraggableDot) findViewById(R.id.drag_dot_hidden);
mHiddenDot.setReportView(text);
mResultText = (TextView) findViewById(R.id.drag_result_text); mResultText = (TextView) findViewById(R.id.drag_result_text);
mResultText.setOnDragListener(new View.OnDragListener() { mResultText.setOnDragListener(new View.OnDragListener() {
@Override @Override
public boolean onDrag(View v, DragEvent event) { public boolean onDrag(View v, DragEvent event) {
final int action = event.getAction(); final int action = event.getAction();
if (action == DragEvent.ACTION_DRAG_ENDED) { switch (action) {
final boolean dropped = event.getResult(); case DragEvent.ACTION_DRAG_STARTED: {
mResultText.setText(dropped ? "Dropped!" : "No drop"); // Bring up a fourth draggable dot on the fly. Note that it
// is properly notified about the ongoing drag, and lights up
// to indicate that it can handle the current content.
mHiddenDot.setVisibility(View.VISIBLE);
} break;
case DragEvent.ACTION_DRAG_ENDED: {
// Hide the surprise again
mHiddenDot.setVisibility(View.INVISIBLE);
// Report the drop/no-drop result to the user
final boolean dropped = event.getResult();
mResultText.setText(dropped ? "Dropped!" : "No drop");
} break;
} }
return false; return false;
} }