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Code Issues Pull Requests Releases Wiki Activity

implemented onClick method

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Shembull
2020-01-20 12:21:52 +01:00
parent faa1a8fd82
commit 0dd831f921
3 changed files with 112 additions and 1 deletions
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39
.idea/misc.xml generated
View File

@@ -3,6 +3,45 @@
<component name="JavaScriptSettings">
<option name="languageLevel" value="ES6" />
</component>
<component name="NullableNotNullManager">
<option name="myDefaultNullable" value="org.jetbrains.annotations.Nullable" />
<option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
<option name="myNullables">
<value>
<list size="12">
<item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
<item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
<item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
<item index="3" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
<item index="4" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
<item index="5" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
<item index="6" class="java.lang.String" itemvalue="android.annotation.Nullable" />
<item index="7" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
<item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
<item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableDecl" />
<item index="10" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
<item index="11" class="java.lang.String" itemvalue="com.android.annotations.Nullable" />
</list>
</value>
</option>
<option name="myNotNulls">
<value>
<list size="11">
<item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
<item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
<item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
<item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
<item index="4" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
<item index="5" class="java.lang.String" itemvalue="android.annotation.NonNull" />
<item index="6" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNonNull" />
<item index="7" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.NonNull" />
<item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
<item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
<item index="10" class="java.lang.String" itemvalue="com.android.annotations.NonNull" />
</list>
</value>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
<component name="ProjectType">
<option name="id" value="Android" />

20
app/src/main/java/com/example/recyclerview/MainActivity.java
View File

@@ -6,11 +6,13 @@ import androidx.recyclerview.widget.RecyclerView;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.AdapterView;
import java.util.ArrayList;
import java.util.Date;
public class MainActivity extends AppCompatActivity implements Runnable {
public class MainActivity extends AppCompatActivity implements Runnable, AdapterView.OnItemClickListener {
ArrayList<Message> mData;
Handler mHandler;
@@ -26,6 +28,17 @@ public class MainActivity extends AppCompatActivity implements Runnable {
myAdapter = new MyAdapter(mData);
RecyclerView mRecyclerView = findViewById(R.id.recyclerView);
mRecyclerView.addOnItemTouchListener(
new RecyclerItemClickListener(getApplicationContext(), mRecyclerView ,new RecyclerItemClickListener.OnItemClickListener() {
@Override public void onItemClick(View view, int position) {
System.out.println("clicked " + mData.get(position).sender);
}
@Override public void onLongItemClick(View view, int position) {
// do whatever
}
})
);
LinearLayoutManager mLinearLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mLinearLayoutManager);
mRecyclerView.setAdapter(myAdapter);
@@ -49,4 +62,9 @@ public class MainActivity extends AppCompatActivity implements Runnable {
myAdapter.notifyDataSetChanged();
mHandler.postDelayed(this, 1000);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
System.out.println("gecklickt ".concat(mData.get(position).sender));
}
}

54
app/src/main/java/com/example/recyclerview/RecyclerItemClickListener.java Normal file
View File

@@ -0,0 +1,54 @@
package com.example.recyclerview;
import android.content.Context;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
private OnItemClickListener mListener;
public interface OnItemClickListener {
void onItemClick(View view, int position);
void onLongItemClick(View view, int position);
}
private GestureDetector mGestureDetector;
RecyclerItemClickListener(Context context, final RecyclerView recyclerView, OnItemClickListener listener) {
mListener = listener;
mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapUp(MotionEvent e) {
return true;
}
@Override
public void onLongPress(MotionEvent e) {
View child = recyclerView.findChildViewUnder(e.getX(), e.getY());
if (child != null && mListener != null) {
mListener.onLongItemClick(child, recyclerView.getChildAdapterPosition(child));
}
}
});
}
@Override public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
View childView = view.findChildViewUnder(e.getX(), e.getY());
if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
mListener.onItemClick(childView, view.getChildAdapterPosition(childView));
return true;
}
return false;
}
@Override public void onTouchEvent(@NonNull RecyclerView view, @NonNull MotionEvent motionEvent) { }
@Override
public void onRequestDisallowInterceptTouchEvent (boolean disallowIntercept){}
}