android密码错误提醒,android 锁屏 密码错误震动效果
public class MainActivity extends Activity {
private GridView gridViewPwd;
private ImageView mImg1;
private ImageView mImg2;
private ImageView mImg3;
private ImageView mImg4;
private ImageView mImg5;
private ImageView mImg6;
private ImageView[] mImages;
private LoginPwdAdapter loginAdapter;
private String pwdStr = "";
private Animation mShakeAnimation;
private Animation mAlphaAnimation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
private void init() {
mImg1 = (ImageView) findViewById(R.id.img1);
mImg2 = (ImageView) findViewById(R.id.img2);
mImg3 = (ImageView) findViewById(R.id.img3);
mImg4 = (ImageView) findViewById(R.id.img4);
mImg5 = (ImageView) findViewById(R.id.img5);
mImg6 = (ImageView) findViewById(R.id.img6);
mShakeAnimation = AnimationUtils.loadAnimation(this, R.anim.shake);
mAlphaAnimation = AnimationUtils.loadAnimation(this, R.anim.alpha);
mImages = new ImageView[] { mImg1, mImg2, mImg3, mImg4, mImg5, mImg6 };
gridViewPwd = (GridView) findViewById(R.id.gridviewPwd);
loginAdapter = new LoginPwdAdapter(this);
gridViewPwd.setAdapter(loginAdapter);
gridViewPwd
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView> adapterView,
View view, int i, long l) {
// TextView v= (TextView) adapterView.getSelectedItem();
// String num=v.getText().toString();
int value = i + 1;
if (i == 9) {// 取消
for (int num = 0; num < pwdStr.length(); num++) {
mImages[num]
.setImageResource(R.drawable.page_indicator_unfocused);
}
pwdStr = "";
} else if (i == 11) {// 回退
int len = pwdStr.length();
if (len > 0) {
pwdStr = pwdStr.substring(0, len - 1);
mImages[len - 1]
.setImageResource(R.drawable.page_indicator_unfocused);
}
} else if (i == 10) {
if (pwdStr.length() < 6) {// 密码为六位
pwdStr = pwdStr + "0";
int len = pwdStr.length();
mImages[len - 1]
.setImageResource(R.drawable.page_indicator_focused);
}
} else {
if (pwdStr.length() < 6) {// 密码为六位
pwdStr = pwdStr + value;
int len = pwdStr.length();
mImages[len - 1]
.setImageResource(R.drawable.page_indicator_focused);
}
}
checkPwd(pwdStr);
}
});
}
//密码为8888888时才是正确的
private void checkPwd(String pwdStr) {
if (pwdStr.length() == 6) {
if ("888888".equals(pwdStr)) {
alphaView();
} else {
shakeView();
}
}
}
private void shakeView() {
for (int i = 0; i < mImages.length; i++) {
mImages[i].setImageResource(R.drawable.page_indicator_unfocused);
mImages[i].startAnimation(mShakeAnimation);
}
pwdStr = "";
}
private void alphaView() {
for (int i = 0; i < mImages.length; i++) {
mImages[i].startAnimation(mAlphaAnimation);
}
pwdStr = "";
mAlphaAnimation.setAnimationListener(new Animation.AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
/*
* Intent intent = new Intent(MainActivity.this,
* BaseActivity.class);
* intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
* startActivity(intent); finish();
*/
}
@Override
public void onAnimationRepeat(Animation animation) {
}
});
}
}