Floating Action Button Behavior

gradle a alttaki satır eklenmeli;

implementation 'com.getbase:floatingactionbutton:1.10.1'

tamamı

apply plugin: 'com.android.application'
android {
    compileSdkVersion 28
    buildToolsVersion '28.0.3'
    defaultConfig {
        applicationId "com.mobilprogramlar.floatingactionbuttonbehavior"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}
dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'androidx.appcompat:appcompat:1.1.0-rc01'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.0-beta2'
    testİmplementation 'junit:junit:4.13-beta-3'
    androidTestİmplementation 'androidx.test:runner:1.3.0-alpha02'
    androidTestİmplementation 'androidx.test.espresso:espresso-core:3.3.0-alpha02'
    implementation 'com.google.android.material:material:1.0.0'

    implementation 'com.getbase:floatingactionbutton:1.10.1'
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <com.getbase.floatingactionbutton.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="end|bottom"
        android:layout_margin="16dp"
        app:fab_icon="@drawable/ic_done"
        app:layout_behavior="com.mobilprogramlar.floatingactionbuttonbehavior.FloatingActionButtonBehavior"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity ise

package com.mobilprogramlar.floatingactionbuttonbehavior;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import com.google.android.material.snackbar.Snackbar;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.fab).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Merhaba Snackbar", Snackbar.LENGTH_LONG).show();
            }
        });
    }
}

FloatingActionButtonBehavior.class

package com.mobilprogramlar.floatingactionbuttonbehavior;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.snackbar.Snackbar;

public class FloatingActionButtonBehavior extends CoordinatorLayout.Behavior<FloatingActionButton> {

  public FloatingActionButtonBehavior(Context context, AttributeSet attrs) {
  }
  @Override
  public boolean layoutDependsOn(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
    return dependency instanceof Snackbar.SnackbarLayout;
  }
  @Override
  public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, View dependency) {
    float translationY = Math.min(0, dependency.getTranslationY() - dependency.getHeight());
    child.setTranslationY(translationY);
    return true;
  }
}

Son görünüm

Kodların tam çalışır halini Github hesabımdan indirebilirsinz.