Android_Lifecycle

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.example.imageviewer"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    implementation 'com.android.support:support-v4:28.0.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/example/imageviewer/ExampleInstrumentedTest.java

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+package com.example.imageviewer;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.imageviewer", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.imageviewer">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity
+            android:name=".FullscreenActivity"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:label="@string/title_activity_fullscreen"
+            android:theme="@style/FullscreenTheme"></activity>
+        <activity android:name=".DetailsActivity" />
+        <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>

app/src/main/java/com/example/imageviewer/DetailsActivity.java

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+package com.example.imageviewer;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import java.io.Serializable;
+
+public class DetailsActivity extends AppCompatActivity implements Serializable {
+
+    Context context;
+    ImageView iVHandler;
+    TextView uriHandler;
+    TextView inameHandler;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        Log.i(getLocalClassName(), "onCreate");
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_details);
+
+        context = this;
+        iVHandler = findViewById(R.id.picImage); //attacthing imageview to handler
+
+        Intent intent = getIntent(); //retrieving an intent
+        final Uri storeImage = Uri.parse(intent.getStringExtra(Intent.EXTRA_STREAM));  // retriving image uri. was txt. convert back to uri to display TODO getStringExtra
+
+        iVHandler.setImageURI(storeImage);
+
+        iVHandler.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(context, FullscreenActivity.class);
+                intent.putExtra(Intent.EXTRA_STREAM, storeImage.toString());
+                startActivity(intent);
+            }
+        });
+
+        uriHandler = findViewById(R.id.view_image_uri);
+        uriHandler.setText(storeImage.toString());
+
+        inameHandler = findViewById(R.id.view_image_name);
+        inameHandler.setText(intent.getStringExtra(Intent.EXTRA_TEXT));
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        Log.i(getLocalClassName(), "onStart");
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        Log.i(getLocalClassName(), "onResume");
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        Log.i(getLocalClassName(), "onPause");
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        Log.i(getLocalClassName(), "onStop");
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        Log.i(getLocalClassName(), "onDestroy");
+    }
+
+}