Fragmentbackstack

Fragmentbackstack

Author: SamsetDev

FragmentBackProcessSample/.gitignore

@@ -0,0 +1,8 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures

FragmentBackProcessSample/.idea/.name

@@ -0,0 +1 @@
+/build

FragmentBackProcessSample/.idea/compiler.xml

@@ -0,0 +1,28 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
+
+    defaultConfig {
+        applicationId "com.samset.user.fragmentbackprocesssample"
+        minSdkVersion 15
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.4.0'
+    compile 'com.android.support:support-v4:23.4.0'
+    compile 'com.android.support:design:22.2.0'
+}

FragmentBackProcessSample/.idea/copyright/profiles_settings.xml

@@ -0,0 +1,17 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\user\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

FragmentBackProcessSample/.idea/encodings.xml

@@ -0,0 +1,13 @@
+package com.samset.user.fragmentbackprocesssample;
+
+import android.app.Application;
+import android.test.ApplicationTestCase;
+
+/**
+ * <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
+ */
+public class ApplicationTest extends ApplicationTestCase<Application> {
+    public ApplicationTest() {
+        super(Application.class);
+    }
+}

FragmentBackProcessSample/.idea/gradle.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.samset.user.fragmentbackprocesssample">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

FragmentBackProcessSample/.idea/misc.xml

@@ -0,0 +1,55 @@
+package com.samset.user.fragmentbackprocesssample;
+
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+
+import com.samset.user.fragmentbackprocesssample.fragments.HomeFragment;
+import com.samset.user.fragmentbackprocesssample.fragments.LoginFragment;
+
+public class MainActivity extends AppCompatActivity {
+    String TAG = MainActivity.class.getSimpleName();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        fragTransaction(new LoginFragment());
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+    }
+
+    public void fragTransaction(Fragment frag) {
+        if (frag.isAdded()) {
+            Log.e(TAG, " fragment add");
+            FragmentManager manager = getSupportFragmentManager();
+            FragmentTransaction transaction = manager.beginTransaction();
+            transaction.add(R.id.mainContainer, frag).addToBackStack(null).commit();
+        } else {
+            Log.e(TAG, " fragment replace");
+            FragmentManager manager = getSupportFragmentManager();
+            FragmentTransaction transaction = manager.beginTransaction();
+            transaction.replace(R.id.mainContainer, frag).addToBackStack(null).commit();
+        }
+    }
+
+
+    @Override
+    public void onBackPressed() {
+
+        // here you simply back handle you check stack count and then enable backpress button
+        if (getSupportFragmentManager().getBackStackEntryCount() > 1) {
+            getSupportFragmentManager().popBackStack();
+            Log.e(TAG, " fragment popback ");
+        } else {
+            super.onBackPressed();
+        }
+    }
+}

FragmentBackProcessSample/.idea/modules.xml

@@ -0,0 +1,69 @@
+package com.samset.user.fragmentbackprocesssample.fragments;
+
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.widget.AppCompatButton;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.samset.user.fragmentbackprocesssample.R;
+
+/**
+ * A simple {@link Fragment} subclass.
+ */
+public class DetailsFragment extends Fragment {
+
+AppCompatButton compatButton,btnHome;
+    public DetailsFragment() {
+        // Required empty public constructor
+    }
+
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+      View  view =inflater.inflate(R.layout.fragment_details, container, false);
+
+        compatButton= (AppCompatButton) view.findViewById(R.id.btnlast);
+        btnHome= (AppCompatButton) view.findViewById(R.id.btnanother);
+
+
+        return view;
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        compatButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                // popBackStack pops till the transaction with mentioned ‘tag’ if flag is POP_BACK_STACK_INCLUSIVE, or else 0 can be used.
+                getFragmentManager().popBackStack("profile",FragmentManager.POP_BACK_STACK_INCLUSIVE);
+
+                // popBackStackImmediate mathod work same as a popBackStack
+                //getFragmentManager().popBackStackImmediate("profile",FragmentManager.POP_BACK_STACK_INCLUSIVE);
+
+            }
+        });
+
+        btnHome.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                // popBackStack pops till the transaction with mentioned ‘tag’ if flag is POP_BACK_STACK_INCLUSIVE, or else 0 can be used.
+                getFragmentManager().popBackStack("home",FragmentManager.POP_BACK_STACK_INCLUSIVE);
+
+                // popBackStackImmediate mathod work same as a popBackStack
+                //getFragmentManager().popBackStackImmediate("profile",FragmentManager.POP_BACK_STACK_INCLUSIVE);
+
+            }
+        });
+    }
+}