hzuapps#94 hzuapps#210 lab8

运用了传感器

app/src/main/java/edu/hzuapps/androidworks/homeworks/com1314080901238/Shark.java

@@ -0,0 +1,221 @@
+package com.example.yaoyiyao;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Service;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.Bundle;
+import android.os.Vibrator;
+import android.view.View;
+import android.view.animation.Animation;
+import android.view.animation.TranslateAnimation;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+import java.util.Random;
+
+/**
+ * Created by Administrator on 2016/6/15.
+ */
+public class Shark extends Activity implements SensorEventListener {
+
+    private SensorManager sensorManager = null;
+    private Vibrator vibrator = null;
+    private LinearLayout topLayout, bottomLayout;
+    private ImageView topLineIv, bottomLineIv;
+    private boolean isShake = false;
+    String date;
+
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.shark_layout);
+        topLayout = (LinearLayout)findViewById(R.id.shake_top_layout);
+        topLineIv = (ImageView)findViewById(R.id.shake_top_line);
+        bottomLayout = (LinearLayout)findViewById(R.id.shake_bottom_layout);
+        bottomLineIv = (ImageView)findViewById(R.id.shake_bottom_line);
+
+        topLineIv.setVisibility(View.GONE);
+        bottomLineIv.setVisibility(View.GONE);
+        sensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
+        vibrator = (Vibrator)getSystemService(Service.VIBRATOR_SERVICE);
+    }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        Shark.this.finish();
+    }
+
+    @Override
+    public void onPause() {
+        // TODO Auto-generated method stub
+        super.onPause();
+        sensorManager.unregisterListener(this);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        sensorManager.registerListener(this,
+                sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
+                SensorManager.SENSOR_DELAY_NORMAL);
+    }
+
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        // TODO Auto-generated method stub
+        int sensorType = event.sensor.getType();
+        // values[0]:X轴，values[1]：Y轴，values[2]：Z轴
+        float[] values = event.values;
+        if (sensorType == Sensor.TYPE_ACCELEROMETER) {
+            if ((Math.abs(values[0]) > 17 || Math.abs(values[1]) > 17 || Math
+                    .abs(values[2]) > 17) && !isShake) {
+                isShake = true;
+                new Thread() {
+                    public void run() {
+                        try {
+                            runOnUiThread(new Runnable() {
+                                public void run() {
+                                    // 摇动手机后，再伴随震动提示~~
+                                    vibrator.vibrate(300);
+                                    topLineIv.setVisibility(View.VISIBLE);
+                                    bottomLineIv.setVisibility(View.VISIBLE);
+                                    startAnimation(false);
+                                }
+                            });
+                            Thread.sleep(500);
+                            runOnUiThread(new Runnable() {
+                                public void run() {
+                                    // 摇动手机后，再伴随震动提示~~
+                                    vibrator.vibrate(300);
+                                }
+                            });
+                            Thread.sleep(500);
+                            runOnUiThread(new Runnable() {
+
+                                @Override
+                                public void run() {
+                                    // TODO Auto-generated method stub
+                                    isShake = false;
+                                    startAnimation(true);
+                                }
+                            });
+                        } catch (InterruptedException e) {
+                            // TODO Auto-generated catch block
+                            e.printStackTrace();
+                        }
+                    };
+                }.start();
+            }
+        }
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+        // TODO Auto-generated method stub
+
+    }
+
+    private void startAnimation(boolean isBack) {
+        int type = TranslateAnimation.RELATIVE_TO_SELF;
+        float topFromYValue;
+        float topToYValue;
+        float bottomFromYValue;
+        float bottomToYValue;
+        if (isBack) {
+            topFromYValue = -0.5f;
+            topToYValue = 0;
+            bottomFromYValue = 0.5f;
+            bottomToYValue = 0;
+        } else {
+            topFromYValue = 0;
+            topToYValue = -0.5f;
+            bottomFromYValue = 0;
+            bottomToYValue = 0.5f;
+        }
+        TranslateAnimation topAnimation = new TranslateAnimation(type, 0, type,
+                0, type, topFromYValue, type, topToYValue);
+        topAnimation.setDuration(200);
+        topAnimation.setFillAfter(true);
+        TranslateAnimation bottomAnimation = new TranslateAnimation(type, 0,
+                type, 0, type, bottomFromYValue, type, bottomToYValue);
+        bottomAnimation.setDuration(200);
+        bottomAnimation.setFillAfter(true);
+        if (isBack) {
+            bottomAnimation
+                    .setAnimationListener(new TranslateAnimation.AnimationListener() {
+
+                        @Override
+                        public void onAnimationStart(Animation animation) {
+                            // TODO Auto-generated method stub
+
+                        }
+
+                        @Override
+                        public void onAnimationRepeat(Animation animation) {
+                            // TODO Auto-generated method stub
+
+                        }
+
+                        @Override
+                        public void onAnimationEnd(Animation animation) {
+                            // TODO Auto-generated method stub
+                            topLineIv.setVisibility(View.GONE);
+                            bottomLineIv.setVisibility(View.GONE);
+//							Toast.makeText(getActivity(),"摇一摇ok!!!",Toast.LENGTH_LONG).show();
+
+                            Random random = new Random();
+                            int n;
+                            DBHelper dbHelper=new DBHelper(Shark.this);
+                            SQLiteDatabase readdb = dbHelper.getReadableDatabase();
+                            Cursor c = readdb.query("user", null,null,null,null,null,null);
+                            int m=c.getCount();
+                            do {
+                                n = random.nextInt(m);
+                            } while (n == 0);
+                            getdbdate(n);
+
+//                            DBHelper dbHelper=new DBHelper(Shark.this);
+//                            SQLiteDatabase readdb = dbHelper.getReadableDatabase();
+//                            Cursor c = readdb.query("user", null,"userID=?",new String[]{String.valueOf(2)} , null, null, null);
+////                            Cursor c = readdb.query("user", null,null,null , null, null, null);
+//                            while (c.moveToNext()){
+//                                date=c.getString(c.getColumnIndex("date"));
+//                                System.out.println("摇一摇："+String.format("date=%s",date));
+//                            }
+//                            readdb.close();
+
+                            new AlertDialog.Builder(Shark.this).setItems(
+                                    new String[]{date}, null).show();
+                        }
+                    });
+        }
+        bottomLayout.startAnimation(bottomAnimation);
+        topLayout.startAnimation(topAnimation);
+    }
+
+    public String getdbdate(int n){
+        String mname=null;
+        DBHelper dbHelper=new DBHelper(Shark.this);
+        SQLiteDatabase readdb = dbHelper.getReadableDatabase();
+        Cursor c = readdb.query("user", null,"userID=?",new String[]{String.valueOf(n)} , null, null, null);
+        while (c.moveToNext()){
+           date=c.getString(c.getColumnIndex("date"));
+            System.out.println("摇一摇："+String.format("date=%s",date));
+        }
+        readdb.close();
+        return mname;
+
+    }
+
+
+
+}
+