Merge pull request #1785 from kaluozi/master

#5 #541 提交实验五代码

students/soft1714080902401/app/src/main/AndroidManifest.xml

@@ -9,7 +9,7 @@
         android:roundIcon="@drawable/ic_launcher_appico"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".Soft1714080902401_newActivity"></activity>
+        <activity android:name=".Soft1714080902401_FileStoreActivity"></activity>
         <activity android:name=".Soft1714080902401_01Activity" />
         <activity android:name=".Soft1714080902401Activity">
             <intent-filter>

students/soft1714080902401/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401_01Activity.java

@@ -13,15 +13,13 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_soft_1714080902401_01);
 
-
         Button NewD = (Button) findViewById(R.id.newD);
         NewD.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                Intent intent = new Intent(Soft1714080902401_01Activity.this, Soft1714080902401_newActivity.class);
+                Intent intent = new Intent(Soft1714080902401_01Activity.this, Soft1714080902401_FileStoreActivity.class);
                 startActivity(intent);
             }
         });
-
     }
-}
+}

students/soft1714080902401/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401_FileStoreActivity.java

@@ -0,0 +1,102 @@
+package edu.hzuapps.androidlabs.soft1714080902401;
+
+import android.content.Context;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+import android.text.TextUtils;
+
+import android.widget.EditText;
+import android.widget.Toast;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+
+
+public class Soft1714080902401_FileStoreActivity extends AppCompatActivity {
+
+
+    public static final String FILENAME = "file_demo.txt";
+    public static final String TAG = Soft1714080902401_FileStoreActivity.class.getSimpleName();
+    private EditText savetext;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.activity_soft_1714080902401_filestore);
+        savetext = (EditText) findViewById(R.id.savetext);
+        String inputText = load();
+        if(!TextUtils.isEmpty(inputText)){
+            savetext.setText(inputText);
+            savetext.setSelection(inputText.length());
+            Toast.makeText(this,"读取成功！",Toast.LENGTH_LONG).show();
+        }
+
+
+    //     ((Button) findViewById(R.id.button_save_internal)).setOnClickListener(new View.OnClickListener() {
+    //    @Override
+    //    public void onClick(View view) {
+    //           }
+    //    });
+    }
+
+    @Override
+    protected  void onDestroy(){
+        super.onDestroy();
+        String inputText = savetext.getText().toString();
+        save(inputText);
+    }
+    // 将数据保存
+    public void save(String inputText){
+        FileOutputStream out = null;
+        BufferedWriter writer = null;
+        try{
+            out = openFileOutput("data", Context.MODE_PRIVATE);
+            writer = new BufferedWriter(new OutputStreamWriter(out));
+            writer.write(inputText);
+        } catch (IOException e){
+            e.printStackTrace();
+        }finally{
+            try{
+                if (writer != null){
+                    writer.close();
+                }
+            }catch (IOException e){
+                e.printStackTrace();
+            }
+        }
+    }
+    //读取数据
+    public  String load(){
+        FileInputStream in = null;
+        BufferedReader reader = null;
+        StringBuilder content = new StringBuilder();
+
+        try{
+            in = openFileInput("data");
+            reader = new BufferedReader(new InputStreamReader(in));
+            String line = "";
+            while ((line = reader.readLine()) != null){
+                content.append(line);
+            }
+        }catch(IOException e){
+            e.printStackTrace();
+        }finally {
+            if (reader != null){
+                try{
+                    reader.close();
+                }catch(IOException e){
+                    e.printStackTrace();
+                }
+            }
+        }
+        return content.toString();
+    }
+
+
+}

students/soft1714080902401/app/src/main/java/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401Activity.java

@@ -0,0 +1,27 @@
+package edu.hzuapps.androidlabs.soft1714080902401;
+
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+
+public class Soft1714080902401Activity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_soft_1714080902401);
+
+    Button begin = (Button) findViewById(R.id.Begin);
+        begin.setOnClickListener(new View.OnClickListener() {
+        @Override
+        public void onClick(View v) {
+            Intent intent = new Intent(Soft1714080902401Activity.this,Soft1714080902401_01Activity.class);
+            startActivity(intent);
+        }
+    });
+    }
+}
+

students/soft1714080902401/app/src/main/java/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401_01Activity.java

@@ -0,0 +1,27 @@
+package edu.hzuapps.androidlabs.soft1714080902401;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
+
+public class Soft1714080902401_01Activity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_soft1714080902401_01);
+
+
+
+        Button NewD = (Button) findViewById(R.id.newD);
+        NewD.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(Soft1714080902401_01Activity.this, Soft1714080902401_newActivity.class);
+                startActivity(intent);
+            }
+        });
+    }
+}

students/soft1714080902401/app/src/main/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401_newActivity.java → students/soft1714080902401/app/src/main/java/java/edu/hzuapps/androidlabs/soft1714080902401/Soft1714080902401_newActivity.java

@@ -11,7 +11,7 @@ public class Soft1714080902401_newActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_soft_1714080902401_new);
+        setContentView(R.layout.activity_soft1714080902401_new);
 
         Button Save = (Button) findViewById(R.id.save);
         Save.setOnClickListener(new View.OnClickListener() {

students/soft1714080902401/app/src/main/res/layout/activity_soft_1714080902401_filestore.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/fbackgroud"
+    tools:context=".Soft1714080902401_FileStoreActivity">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="530dp"
+        android:layout_marginStart="20dp"
+        android:layout_marginLeft="20dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginEnd="20dp"
+        android:layout_marginRight="20dp"
+        android:layout_marginBottom="80dp"
+        android:background="@color/colorliwhite"
+        android:orientation="vertical">
+
+        <EditText
+            android:id="@+id/savetext"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:layout_weight="1"
+            android:hint="今天过得怎么样？"
+            android:ems="10"
+            android:paddingLeft="50dp"
+            android:paddingTop="10dp"
+            android:paddingRight="50dp"
+            android:paddingBottom="20dp" />
+
+        <Button
+            android:id="@+id/button_save_internal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="保存" />
+
+    </LinearLayout>
+
+</RelativeLayout>

students/soft1714080902401/app/src/main/res/values/mystyle.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+</resources>